Make helper methods in ParserTestCase non-static.

pkg/analyzer/test/generated/parser_test.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library engine.parser_test;
 
 import 'package:analyzer/src/generated/ast.dart';
 import 'package:analyzer/src/generated/element.dart';
 import 'package:analyzer/src/generated/error.dart';
 import 'package:analyzer/src/generated/incremental_scanner.dart';
@@ skipping 107 matching lines @@
 /**
  * The class `ComplexParserTest` defines parser tests that test the parsing of more complex
  * code fragments or the interactions between multiple parsing methods. For example, tests to ensure
  * that the precedence of operations is being handled correctly should be defined in this class.
  *
  * Simpler tests should be defined in the class [SimpleParserTest].
  */
 @reflectiveTest
 class ComplexParserTest extends ParserTestCase {
   void test_additiveExpression_normal() {
-    BinaryExpression expression = ParserTestCase.parseExpression("x + y - z");
+    BinaryExpression expression = parseExpression("x + y - z");
     EngineTestCase.assertInstanceOf((obj) => obj is BinaryExpression,
         BinaryExpression, expression.leftOperand);
   }
 
   void test_additiveExpression_noSpaces() {
-    BinaryExpression expression = ParserTestCase.parseExpression("i+1");
+    BinaryExpression expression = parseExpression("i+1");
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, expression.leftOperand);
     EngineTestCase.assertInstanceOf((obj) => obj is IntegerLiteral,
         IntegerLiteral, expression.rightOperand);
   }
 
   void test_additiveExpression_precedence_multiplicative_left() {
-    BinaryExpression expression = ParserTestCase.parseExpression("x * y + z");
+    BinaryExpression expression = parseExpression("x * y + z");
     EngineTestCase.assertInstanceOf((obj) => obj is BinaryExpression,
         BinaryExpression, expression.leftOperand);
   }
 
   void test_additiveExpression_precedence_multiplicative_left_withSuper() {
-    BinaryExpression expression =
-        ParserTestCase.parseExpression("super * y - z");
+    BinaryExpression expression = parseExpression("super * y - z");
     EngineTestCase.assertInstanceOf((obj) => obj is BinaryExpression,
         BinaryExpression, expression.leftOperand);
   }
 
   void test_additiveExpression_precedence_multiplicative_right() {
-    BinaryExpression expression = ParserTestCase.parseExpression("x + y * z");
+    BinaryExpression expression = parseExpression("x + y * z");
     EngineTestCase.assertInstanceOf((obj) => obj is BinaryExpression,
         BinaryExpression, expression.rightOperand);
   }
 
   void test_additiveExpression_super() {
-    BinaryExpression expression =
-        ParserTestCase.parseExpression("super + y - z");
+    BinaryExpression expression = parseExpression("super + y - z");
     EngineTestCase.assertInstanceOf((obj) => obj is BinaryExpression,
         BinaryExpression, expression.leftOperand);
   }
 
   void test_assignableExpression_arguments_normal_chain() {
-    PropertyAccess propertyAccess1 =
-        ParserTestCase.parseExpression("a(b)(c).d(e).f");
+    PropertyAccess propertyAccess1 = parseExpression("a(b)(c).d(e).f");
     expect(propertyAccess1.propertyName.name, "f");
     //
     // a(b)(c).d(e)
     //
     MethodInvocation invocation2 = EngineTestCase.assertInstanceOf(
         (obj) => obj is MethodInvocation, MethodInvocation,
         propertyAccess1.target);
     expect(invocation2.methodName.name, "d");
     ArgumentList argumentList2 = invocation2.argumentList;
     expect(argumentList2, isNotNull);
@@ skipping 13 matching lines @@
     MethodInvocation invocation4 = EngineTestCase.assertInstanceOf(
         (obj) => obj is MethodInvocation, MethodInvocation,
         invocation3.function);
     expect(invocation4.methodName.name, "a");
     ArgumentList argumentList4 = invocation4.argumentList;
     expect(argumentList4, isNotNull);
     expect(argumentList4.arguments, hasLength(1));
   }
 
   void test_assignmentExpression_compound() {
-    AssignmentExpression expression =
-        ParserTestCase.parseExpression("x = y = 0");
+    AssignmentExpression expression = parseExpression("x = y = 0");
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, expression.leftHandSide);
     EngineTestCase.assertInstanceOf((obj) => obj is AssignmentExpression,
         AssignmentExpression, expression.rightHandSide);
   }
 
   void test_assignmentExpression_indexExpression() {
-    AssignmentExpression expression =
-        ParserTestCase.parseExpression("x[1] = 0");
+    AssignmentExpression expression = parseExpression("x[1] = 0");
     EngineTestCase.assertInstanceOf((obj) => obj is IndexExpression,
         IndexExpression, expression.leftHandSide);
     EngineTestCase.assertInstanceOf((obj) => obj is IntegerLiteral,
         IntegerLiteral, expression.rightHandSide);
   }
 
   void test_assignmentExpression_prefixedIdentifier() {
-    AssignmentExpression expression = ParserTestCase.parseExpression("x.y = 0");
+    AssignmentExpression expression = parseExpression("x.y = 0");
     EngineTestCase.assertInstanceOf((obj) => obj is PrefixedIdentifier,
         PrefixedIdentifier, expression.leftHandSide);
     EngineTestCase.assertInstanceOf((obj) => obj is IntegerLiteral,
         IntegerLiteral, expression.rightHandSide);
   }
 
   void test_assignmentExpression_propertyAccess() {
-    AssignmentExpression expression =
-        ParserTestCase.parseExpression("super.y = 0");
+    AssignmentExpression expression = parseExpression("super.y = 0");
     EngineTestCase.assertInstanceOf((obj) => obj is PropertyAccess,
         PropertyAccess, expression.leftHandSide);
     EngineTestCase.assertInstanceOf((obj) => obj is IntegerLiteral,
         IntegerLiteral, expression.rightHandSide);
   }
 
   void test_bitwiseAndExpression_normal() {
-    BinaryExpression expression = ParserTestCase.parseExpression("x & y & z");
+    BinaryExpression expression = parseExpression("x & y & z");
     EngineTestCase.assertInstanceOf((obj) => obj is BinaryExpression,
         BinaryExpression, expression.leftOperand);
   }
 
   void test_bitwiseAndExpression_precedence_equality_left() {
-    BinaryExpression expression = ParserTestCase.parseExpression("x == y && z");
+    BinaryExpression expression = parseExpression("x == y && z");
     EngineTestCase.assertInstanceOf((obj) => obj is BinaryExpression,
         BinaryExpression, expression.leftOperand);
   }
 
   void test_bitwiseAndExpression_precedence_equality_right() {
-    BinaryExpression expression = ParserTestCase.parseExpression("x && y == z");
+    BinaryExpression expression = parseExpression("x && y == z");
     EngineTestCase.assertInstanceOf((obj) => obj is BinaryExpression,
         BinaryExpression, expression.rightOperand);
   }
 
   void test_bitwiseAndExpression_super() {
-    BinaryExpression expression =
-        ParserTestCase.parseExpression("super & y & z");
+    BinaryExpression expression = parseExpression("super & y & z");
     EngineTestCase.assertInstanceOf((obj) => obj is BinaryExpression,
         BinaryExpression, expression.leftOperand);
   }
 
   void test_bitwiseOrExpression_normal() {
-    BinaryExpression expression = ParserTestCase.parseExpression("x | y | z");
+    BinaryExpression expression = parseExpression("x | y | z");
     EngineTestCase.assertInstanceOf((obj) => obj is BinaryExpression,
         BinaryExpression, expression.leftOperand);
   }
 
   void test_bitwiseOrExpression_precedence_xor_left() {
-    BinaryExpression expression = ParserTestCase.parseExpression("x ^ y | z");
+    BinaryExpression expression = parseExpression("x ^ y | z");
     EngineTestCase.assertInstanceOf((obj) => obj is BinaryExpression,
         BinaryExpression, expression.leftOperand);
   }
 
   void test_bitwiseOrExpression_precedence_xor_right() {
-    BinaryExpression expression = ParserTestCase.parseExpression("x | y ^ z");
+    BinaryExpression expression = parseExpression("x | y ^ z");
     EngineTestCase.assertInstanceOf((obj) => obj is BinaryExpression,
         BinaryExpression, expression.rightOperand);
   }
 
   void test_bitwiseOrExpression_super() {
-    BinaryExpression expression =
-        ParserTestCase.parseExpression("super | y | z");
+    BinaryExpression expression = parseExpression("super | y | z");
     EngineTestCase.assertInstanceOf((obj) => obj is BinaryExpression,
         BinaryExpression, expression.leftOperand);
   }
 
   void test_bitwiseXorExpression_normal() {
-    BinaryExpression expression = ParserTestCase.parseExpression("x ^ y ^ z");
+    BinaryExpression expression = parseExpression("x ^ y ^ z");
     EngineTestCase.assertInstanceOf((obj) => obj is BinaryExpression,
         BinaryExpression, expression.leftOperand);
   }
 
   void test_bitwiseXorExpression_precedence_and_left() {
-    BinaryExpression expression = ParserTestCase.parseExpression("x & y ^ z");
+    BinaryExpression expression = parseExpression("x & y ^ z");
     EngineTestCase.assertInstanceOf((obj) => obj is BinaryExpression,
         BinaryExpression, expression.leftOperand);
   }
 
   void test_bitwiseXorExpression_precedence_and_right() {
-    BinaryExpression expression = ParserTestCase.parseExpression("x ^ y & z");
+    BinaryExpression expression = parseExpression("x ^ y & z");
     EngineTestCase.assertInstanceOf((obj) => obj is BinaryExpression,
         BinaryExpression, expression.rightOperand);
   }
 
   void test_bitwiseXorExpression_super() {
-    BinaryExpression expression =
-        ParserTestCase.parseExpression("super ^ y ^ z");
+    BinaryExpression expression = parseExpression("super ^ y ^ z");
     EngineTestCase.assertInstanceOf((obj) => obj is BinaryExpression,
         BinaryExpression, expression.leftOperand);
   }
 
   void test_cascade_withAssignment() {
     CascadeExpression cascade =
-        ParserTestCase.parseExpression("new Map()..[3] = 4 ..[0] = 11;");
+        parseExpression("new Map()..[3] = 4 ..[0] = 11;");
     Expression target = cascade.target;
     for (Expression section in cascade.cascadeSections) {
       EngineTestCase.assertInstanceOf(
           (obj) => obj is AssignmentExpression, AssignmentExpression, section);
       Expression lhs = (section as AssignmentExpression).leftHandSide;
       EngineTestCase.assertInstanceOf(
           (obj) => obj is IndexExpression, IndexExpression, lhs);
       IndexExpression index = lhs as IndexExpression;
       expect(index.isCascaded, isTrue);
       expect(index.realTarget, same(target));
     }
   }
 
   void test_conditionalExpression_precedence_logicalOrExpression() {
-    ConditionalExpression expression =
-        ParserTestCase.parseExpression("a | b ? y : z");
+    ConditionalExpression expression = parseExpression("a | b ? y : z");
     EngineTestCase.assertInstanceOf((obj) => obj is BinaryExpression,
         BinaryExpression, expression.condition);
   }
 
   void test_constructor_initializer_withParenthesizedExpression() {
     CompilationUnit unit = ParserTestCase.parseCompilationUnit(r'''
 class C {
   C() :
     this.a = (b == null ? c : d) {
   }
 }''');
     NodeList<CompilationUnitMember> declarations = unit.declarations;
     expect(declarations, hasLength(1));
   }
 
   void test_equalityExpression_normal() {
-    BinaryExpression expression = ParserTestCase.parseExpression(
+    BinaryExpression expression = parseExpression(
         "x == y != z", [ParserErrorCode.EQUALITY_CANNOT_BE_EQUALITY_OPERAND]);
     EngineTestCase.assertInstanceOf((obj) => obj is BinaryExpression,
         BinaryExpression, expression.leftOperand);
   }
 
   void test_equalityExpression_precedence_relational_left() {
-    BinaryExpression expression = ParserTestCase.parseExpression("x is y == z");
+    BinaryExpression expression = parseExpression("x is y == z");
     EngineTestCase.assertInstanceOf(
         (obj) => obj is IsExpression, IsExpression, expression.leftOperand);
   }
 
   void test_equalityExpression_precedence_relational_right() {
-    BinaryExpression expression = ParserTestCase.parseExpression("x == y is z");
+    BinaryExpression expression = parseExpression("x == y is z");
     EngineTestCase.assertInstanceOf(
         (obj) => obj is IsExpression, IsExpression, expression.rightOperand);
   }
 
   void test_equalityExpression_super() {
-    BinaryExpression expression = ParserTestCase.parseExpression(
-        "super == y != z", [
-      ParserErrorCode.EQUALITY_CANNOT_BE_EQUALITY_OPERAND
-    ]);
+    BinaryExpression expression = parseExpression("super == y != z",
+        [ParserErrorCode.EQUALITY_CANNOT_BE_EQUALITY_OPERAND]);
     EngineTestCase.assertInstanceOf((obj) => obj is BinaryExpression,
         BinaryExpression, expression.leftOperand);
   }
 
   void test_logicalAndExpression() {
-    BinaryExpression expression = ParserTestCase.parseExpression("x && y && z");
+    BinaryExpression expression = parseExpression("x && y && z");
     EngineTestCase.assertInstanceOf((obj) => obj is BinaryExpression,
         BinaryExpression, expression.leftOperand);
   }
 
   void test_logicalAndExpression_precedence_bitwiseOr_left() {
-    BinaryExpression expression = ParserTestCase.parseExpression("x | y < z");
+    BinaryExpression expression = parseExpression("x | y < z");
     EngineTestCase.assertInstanceOf((obj) => obj is BinaryExpression,
         BinaryExpression, expression.leftOperand);
   }
 
   void test_logicalAndExpression_precedence_bitwiseOr_right() {
-    BinaryExpression expression = ParserTestCase.parseExpression("x < y | z");
+    BinaryExpression expression = parseExpression("x < y | z");
     EngineTestCase.assertInstanceOf((obj) => obj is BinaryExpression,
         BinaryExpression, expression.rightOperand);
   }
 
   void test_logicalOrExpression() {
-    BinaryExpression expression = ParserTestCase.parseExpression("x || y || z");
+    BinaryExpression expression = parseExpression("x || y || z");
     EngineTestCase.assertInstanceOf((obj) => obj is BinaryExpression,
         BinaryExpression, expression.leftOperand);
   }
 
   void test_logicalOrExpression_precedence_logicalAnd_left() {
-    BinaryExpression expression = ParserTestCase.parseExpression("x && y || z");
+    BinaryExpression expression = parseExpression("x && y || z");
     EngineTestCase.assertInstanceOf((obj) => obj is BinaryExpression,
         BinaryExpression, expression.leftOperand);
   }
 
   void test_logicalOrExpression_precedence_logicalAnd_right() {
-    BinaryExpression expression = ParserTestCase.parseExpression("x || y && z");
+    BinaryExpression expression = parseExpression("x || y && z");
     EngineTestCase.assertInstanceOf((obj) => obj is BinaryExpression,
         BinaryExpression, expression.rightOperand);
   }
 
   void test_multipleLabels_statement() {
     LabeledStatement statement =
         ParserTestCase.parseStatement("a: b: c: return x;");
     expect(statement.labels, hasLength(3));
     EngineTestCase.assertInstanceOf(
         (obj) => obj is ReturnStatement, ReturnStatement, statement.statement);
   }
 
   void test_multiplicativeExpression_normal() {
-    BinaryExpression expression = ParserTestCase.parseExpression("x * y / z");
+    BinaryExpression expression = parseExpression("x * y / z");
     EngineTestCase.assertInstanceOf((obj) => obj is BinaryExpression,
         BinaryExpression, expression.leftOperand);
   }
 
   void test_multiplicativeExpression_precedence_unary_left() {
-    BinaryExpression expression = ParserTestCase.parseExpression("-x * y");
+    BinaryExpression expression = parseExpression("-x * y");
     EngineTestCase.assertInstanceOf((obj) => obj is PrefixExpression,
         PrefixExpression, expression.leftOperand);
   }
 
   void test_multiplicativeExpression_precedence_unary_right() {
-    BinaryExpression expression = ParserTestCase.parseExpression("x * -y");
+    BinaryExpression expression = parseExpression("x * -y");
     EngineTestCase.assertInstanceOf((obj) => obj is PrefixExpression,
         PrefixExpression, expression.rightOperand);
   }
 
   void test_multiplicativeExpression_super() {
-    BinaryExpression expression =
-        ParserTestCase.parseExpression("super * y / z");
+    BinaryExpression expression = parseExpression("super * y / z");
     EngineTestCase.assertInstanceOf((obj) => obj is BinaryExpression,
         BinaryExpression, expression.leftOperand);
   }
 
   void test_relationalExpression_precedence_shift_right() {
-    IsExpression expression = ParserTestCase.parseExpression("x << y is z");
+    IsExpression expression = parseExpression("x << y is z");
     EngineTestCase.assertInstanceOf((obj) => obj is BinaryExpression,
         BinaryExpression, expression.expression);
   }
 
   void test_shiftExpression_normal() {
-    BinaryExpression expression = ParserTestCase.parseExpression("x >> 4 << 3");
+    BinaryExpression expression = parseExpression("x >> 4 << 3");
     EngineTestCase.assertInstanceOf((obj) => obj is BinaryExpression,
         BinaryExpression, expression.leftOperand);
   }
 
   void test_shiftExpression_precedence_additive_left() {
-    BinaryExpression expression = ParserTestCase.parseExpression("x + y << z");
+    BinaryExpression expression = parseExpression("x + y << z");
     EngineTestCase.assertInstanceOf((obj) => obj is BinaryExpression,
         BinaryExpression, expression.leftOperand);
   }
 
   void test_shiftExpression_precedence_additive_right() {
-    BinaryExpression expression = ParserTestCase.parseExpression("x << y + z");
+    BinaryExpression expression = parseExpression("x << y + z");
     EngineTestCase.assertInstanceOf((obj) => obj is BinaryExpression,
         BinaryExpression, expression.rightOperand);
   }
 
   void test_shiftExpression_super() {
-    BinaryExpression expression =
-        ParserTestCase.parseExpression("super >> 4 << 3");
+    BinaryExpression expression = parseExpression("super >> 4 << 3");
     EngineTestCase.assertInstanceOf((obj) => obj is BinaryExpression,
         BinaryExpression, expression.leftOperand);
   }
 
   void test_topLevelVariable_withMetadata() {
     ParserTestCase.parseCompilationUnit("String @A string;");
   }
 }
 
 /**
  * The class `ErrorParserTest` defines parser tests that test the parsing of code to ensure
  * that errors are correctly reported, and in some cases, not reported.
  */
 @reflectiveTest
 class ErrorParserTest extends ParserTestCase {
   void fail_expectedListOrMapLiteral() {
     // It isn't clear that this test can ever pass. The parser is currently
     // create a synthetic list literal in this case, but isSynthetic() isn't
     // overridden for ListLiteral. The problem is that the synthetic list
     // literals that are being created are not always zero length (because they
     // could have type parameters), which violates the contract of
     // isSynthetic().
-    TypedLiteral literal = ParserTestCase.parse3("parseListOrMapLiteral",
-        <Object>[null], "1", [ParserErrorCode.EXPECTED_LIST_OR_MAP_LITERAL]);
+    TypedLiteral literal = parse3("parseListOrMapLiteral", <Object>[null], "1",
+        [ParserErrorCode.EXPECTED_LIST_OR_MAP_LITERAL]);
     expect(literal.isSynthetic, isTrue);
   }
 
   void fail_illegalAssignmentToNonAssignable_superAssigned() {
     // TODO(brianwilkerson) When this test starts to pass, remove the test
     // test_illegalAssignmentToNonAssignable_superAssigned.
-    ParserTestCase.parseExpression(
+    parseExpression(
         "super = x;", [ParserErrorCode.ILLEGAL_ASSIGNMENT_TO_NON_ASSIGNABLE]);
   }
 
   void fail_invalidCommentReference__new_nonIdentifier() {
     // This test fails because the method parseCommentReference returns null.
-    ParserTestCase.parse3("parseCommentReference", <Object>["new 42", 0], "", [
-      ParserErrorCode.INVALID_COMMENT_REFERENCE
-    ]);
+    parse3("parseCommentReference", <Object>[
+      "new 42",
+      0
+    ], "", [ParserErrorCode.INVALID_COMMENT_REFERENCE]);
   }
 
   void fail_invalidCommentReference__new_tooMuch() {
-    ParserTestCase.parse3("parseCommentReference", <Object>[
+    parse3("parseCommentReference", <Object>[
       "new a.b.c.d",
       0
     ], "", [ParserErrorCode.INVALID_COMMENT_REFERENCE]);
   }
 
   void fail_invalidCommentReference__nonNew_nonIdentifier() {
     // This test fails because the method parseCommentReference returns null.
-    ParserTestCase.parse3("parseCommentReference", <Object>["42", 0], "", [
-      ParserErrorCode.INVALID_COMMENT_REFERENCE
-    ]);
+    parse3("parseCommentReference", <Object>[
+      "42",
+      0
+    ], "", [ParserErrorCode.INVALID_COMMENT_REFERENCE]);
   }
 
   void fail_invalidCommentReference__nonNew_tooMuch() {
-    ParserTestCase.parse3("parseCommentReference", <Object>["a.b.c.d", 0], "", [
-      ParserErrorCode.INVALID_COMMENT_REFERENCE
-    ]);
+    parse3("parseCommentReference", <Object>[
+      "a.b.c.d",
+      0
+    ], "", [ParserErrorCode.INVALID_COMMENT_REFERENCE]);
   }
 
   void fail_missingClosingParenthesis() {
     // It is possible that it is not possible to generate this error (that it's
     // being reported in code that cannot actually be reached), but that hasn't
     // been proven yet.
-    ParserTestCase.parse4("parseFormalParameterList", "(int a, int b ;", [
-      ParserErrorCode.MISSING_CLOSING_PARENTHESIS
-    ]);
+    parse4("parseFormalParameterList", "(int a, int b ;",
+        [ParserErrorCode.MISSING_CLOSING_PARENTHESIS]);
   }
 
   void fail_missingFunctionParameters_local_nonVoid_block() {
     // The parser does not recognize this as a function declaration, so it tries
     // to parse it as an expression statement. It isn't clear what the best
     // error message is in this case.
     ParserTestCase.parseStatement(
         "int f { return x;}", [ParserErrorCode.MISSING_FUNCTION_PARAMETERS]);
   }
 
   void fail_missingFunctionParameters_local_nonVoid_expression() {
     // The parser does not recognize this as a function declaration, so it tries
     // to parse it as an expression statement. It isn't clear what the best
     // error message is in this case.
     ParserTestCase.parseStatement(
         "int f => x;", [ParserErrorCode.MISSING_FUNCTION_PARAMETERS]);
   }
 
   void fail_namedFunctionExpression() {
-    Expression expression = ParserTestCase.parse4("parsePrimaryExpression",
-        "f() {}", [ParserErrorCode.NAMED_FUNCTION_EXPRESSION]);
+    Expression expression = parse4("parsePrimaryExpression", "f() {}",
+        [ParserErrorCode.NAMED_FUNCTION_EXPRESSION]);
     EngineTestCase.assertInstanceOf(
         (obj) => obj is FunctionExpression, FunctionExpression, expression);
   }
 
   void fail_unexpectedToken_invalidPostfixExpression() {
     // Note: this might not be the right error to produce, but some error should
     // be produced
-    ParserTestCase.parseExpression("f()++", [ParserErrorCode.UNEXPECTED_TOKEN]);
+    parseExpression("f()++", [ParserErrorCode.UNEXPECTED_TOKEN]);
   }
 
   void fail_varAndType_local() {
     // This is currently reporting EXPECTED_TOKEN for a missing semicolon, but
     // this would be a better error message.
     ParserTestCase.parseStatement("var int x;", [ParserErrorCode.VAR_AND_TYPE]);
   }
 
   void fail_varAndType_parameter() {
     // This is currently reporting EXPECTED_TOKEN for a missing semicolon, but
     // this would be a better error message.
-    ParserTestCase.parse4("parseFormalParameterList", "(var int x)", [
-      ParserErrorCode.VAR_AND_TYPE
-    ]);
+    parse4("parseFormalParameterList", "(var int x)",
+        [ParserErrorCode.VAR_AND_TYPE]);
   }
 
   void test_abstractClassMember_constructor() {
-    ParserTestCase.parse3("parseClassMember", <Object>[
-      "C"
-    ], "abstract C.c();", [ParserErrorCode.ABSTRACT_CLASS_MEMBER]);
+    parse3("parseClassMember", <Object>["C"], "abstract C.c();",
+        [ParserErrorCode.ABSTRACT_CLASS_MEMBER]);
   }
 
   void test_abstractClassMember_field() {
-    ParserTestCase.parse3("parseClassMember", <Object>["C"], "abstract C f;", [
-      ParserErrorCode.ABSTRACT_CLASS_MEMBER
-    ]);
+    parse3("parseClassMember", <Object>["C"], "abstract C f;",
+        [ParserErrorCode.ABSTRACT_CLASS_MEMBER]);
   }
 
   void test_abstractClassMember_getter() {
-    ParserTestCase.parse3("parseClassMember", <Object>[
-      "C"
-    ], "abstract get m;", [ParserErrorCode.ABSTRACT_CLASS_MEMBER]);
+    parse3("parseClassMember", <Object>["C"], "abstract get m;",
+        [ParserErrorCode.ABSTRACT_CLASS_MEMBER]);
   }
 
   void test_abstractClassMember_method() {
-    ParserTestCase.parse3("parseClassMember", <Object>["C"], "abstract m();", [
-      ParserErrorCode.ABSTRACT_CLASS_MEMBER
-    ]);
+    parse3("parseClassMember", <Object>["C"], "abstract m();",
+        [ParserErrorCode.ABSTRACT_CLASS_MEMBER]);
   }
 
   void test_abstractClassMember_setter() {
-    ParserTestCase.parse3("parseClassMember", <Object>[
-      "C"
-    ], "abstract set m(v);", [ParserErrorCode.ABSTRACT_CLASS_MEMBER]);
+    parse3("parseClassMember", <Object>["C"], "abstract set m(v);",
+        [ParserErrorCode.ABSTRACT_CLASS_MEMBER]);
   }
 
   void test_abstractEnum() {
     ParserTestCase.parseCompilationUnit(
         "abstract enum E {ONE}", [ParserErrorCode.ABSTRACT_ENUM]);
   }
 
   void test_abstractTopLevelFunction_function() {
     ParserTestCase.parseCompilationUnit(
         "abstract f(v) {}", [ParserErrorCode.ABSTRACT_TOP_LEVEL_FUNCTION]);
@@ skipping 13 matching lines @@
     ParserTestCase.parseCompilationUnit(
         "abstract C f;", [ParserErrorCode.ABSTRACT_TOP_LEVEL_VARIABLE]);
   }
 
   void test_abstractTypeDef() {
     ParserTestCase.parseCompilationUnit(
         "abstract typedef F();", [ParserErrorCode.ABSTRACT_TYPEDEF]);
   }
 
   void test_annotationOnEnumConstant_first() {
-    ParserTestCase.parseCompilationUnit("enum E { @override C }", [
-      ParserErrorCode.ANNOTATION_ON_ENUM_CONSTANT
-    ]);
+    ParserTestCase.parseCompilationUnit("enum E { @override C }",
+        [ParserErrorCode.ANNOTATION_ON_ENUM_CONSTANT]);
   }
 
   void test_annotationOnEnumConstant_middle() {
-    ParserTestCase.parseCompilationUnit("enum E { C, @override D, E }", [
-      ParserErrorCode.ANNOTATION_ON_ENUM_CONSTANT
-    ]);
+    ParserTestCase.parseCompilationUnit("enum E { C, @override D, E }",
+        [ParserErrorCode.ANNOTATION_ON_ENUM_CONSTANT]);
   }
 
   void test_assertDoesNotTakeAssignment() {
-    ParserTestCase.parse4("parseAssertStatement", "assert(b = true);", [
-      ParserErrorCode.ASSERT_DOES_NOT_TAKE_ASSIGNMENT
-    ]);
+    parse4("parseAssertStatement", "assert(b = true);",
+        [ParserErrorCode.ASSERT_DOES_NOT_TAKE_ASSIGNMENT]);
   }
 
   void test_assertDoesNotTakeCascades() {
-    ParserTestCase.parse4("parseAssertStatement", "assert(new A()..m());", [
-      ParserErrorCode.ASSERT_DOES_NOT_TAKE_CASCADE
-    ]);
+    parse4("parseAssertStatement", "assert(new A()..m());",
+        [ParserErrorCode.ASSERT_DOES_NOT_TAKE_CASCADE]);
   }
 
   void test_assertDoesNotTakeRethrow() {
-    ParserTestCase.parse4("parseAssertStatement", "assert(rethrow);", [
-      ParserErrorCode.ASSERT_DOES_NOT_TAKE_RETHROW
-    ]);
+    parse4("parseAssertStatement", "assert(rethrow);",
+        [ParserErrorCode.ASSERT_DOES_NOT_TAKE_RETHROW]);
   }
 
   void test_assertDoesNotTakeThrow() {
-    ParserTestCase.parse4("parseAssertStatement", "assert(throw x);", [
-      ParserErrorCode.ASSERT_DOES_NOT_TAKE_THROW
-    ]);
+    parse4("parseAssertStatement", "assert(throw x);",
+        [ParserErrorCode.ASSERT_DOES_NOT_TAKE_THROW]);
   }
 
   void test_breakOutsideOfLoop_breakInDoStatement() {
-    ParserTestCase.parse4("parseDoStatement", "do {break;} while (x);");
+    parse4("parseDoStatement", "do {break;} while (x);");
   }
 
   void test_breakOutsideOfLoop_breakInForStatement() {
-    ParserTestCase.parse4("parseForStatement", "for (; x;) {break;}");
+    parse4("parseForStatement", "for (; x;) {break;}");
   }
 
   void test_breakOutsideOfLoop_breakInIfStatement() {
-    ParserTestCase.parse4("parseIfStatement", "if (x) {break;}", [
-      ParserErrorCode.BREAK_OUTSIDE_OF_LOOP
-    ]);
+    parse4("parseIfStatement", "if (x) {break;}",
+        [ParserErrorCode.BREAK_OUTSIDE_OF_LOOP]);
   }
 
   void test_breakOutsideOfLoop_breakInSwitchStatement() {
-    ParserTestCase.parse4(
-        "parseSwitchStatement", "switch (x) {case 1: break;}");
+    parse4("parseSwitchStatement", "switch (x) {case 1: break;}");
   }
 
   void test_breakOutsideOfLoop_breakInWhileStatement() {
-    ParserTestCase.parse4("parseWhileStatement", "while (x) {break;}");
+    parse4("parseWhileStatement", "while (x) {break;}");
   }
 
   void test_breakOutsideOfLoop_functionExpression_inALoop() {
     ParserTestCase.parseStatement(
         "for(; x;) {() {break;};}", [ParserErrorCode.BREAK_OUTSIDE_OF_LOOP]);
   }
 
   void test_breakOutsideOfLoop_functionExpression_withALoop() {
     ParserTestCase.parseStatement("() {for (; x;) {break;}};");
   }
 
   void test_classInClass_abstract() {
     ParserTestCase.parseCompilationUnit(
         "class C { abstract class B {} }", [ParserErrorCode.CLASS_IN_CLASS]);
   }
 
   void test_classInClass_nonAbstract() {
     ParserTestCase.parseCompilationUnit(
         "class C { class B {} }", [ParserErrorCode.CLASS_IN_CLASS]);
   }
 
   void test_classTypeAlias_abstractAfterEq() {
     // This syntax has been removed from the language in favor of
     // "abstract class A = B with C;" (issue 18098).
-    ParserTestCase.parse3("parseCompilationUnitMember", <Object>[
-      emptyCommentAndMetadata()
-    ], "class A = abstract B with C;", [
+    parse3("parseCompilationUnitMember", <Object>[emptyCommentAndMetadata()],
+        "class A = abstract B with C;", [
       ParserErrorCode.EXPECTED_TOKEN,
       ParserErrorCode.EXPECTED_TOKEN
     ]);
   }
 
   void test_colonInPlaceOfIn() {
     ParserTestCase.parseStatement(
         "for (var x : list) {}", [ParserErrorCode.COLON_IN_PLACE_OF_IN]);
   }
 
   void test_constAndFinal() {
-    ParserTestCase.parse3("parseClassMember", <Object>[
-      "C"
-    ], "const final int x;", [ParserErrorCode.CONST_AND_FINAL]);
+    parse3("parseClassMember", <Object>["C"], "const final int x;",
+        [ParserErrorCode.CONST_AND_FINAL]);
   }
 
   void test_constAndVar() {
-    ParserTestCase.parse3("parseClassMember", <Object>["C"], "const var x;", [
-      ParserErrorCode.CONST_AND_VAR
-    ]);
+    parse3("parseClassMember", <Object>["C"], "const var x;",
+        [ParserErrorCode.CONST_AND_VAR]);
   }
 
   void test_constClass() {
     ParserTestCase.parseCompilationUnit(
         "const class C {}", [ParserErrorCode.CONST_CLASS]);
   }
 
   void test_constConstructorWithBody() {
-    ParserTestCase.parse3("parseClassMember", <Object>["C"], "const C() {}", [
-      ParserErrorCode.CONST_CONSTRUCTOR_WITH_BODY
-    ]);
+    parse3("parseClassMember", <Object>["C"], "const C() {}",
+        [ParserErrorCode.CONST_CONSTRUCTOR_WITH_BODY]);
   }
 
   void test_constEnum() {
     ParserTestCase.parseCompilationUnit(
         "const enum E {ONE}", [ParserErrorCode.CONST_ENUM]);
   }
 
   void test_constFactory() {
-    ParserTestCase.parse3("parseClassMember", <Object>[
-      "C"
-    ], "const factory C() {}", [ParserErrorCode.CONST_FACTORY]);
+    parse3("parseClassMember", <Object>["C"], "const factory C() {}",
+        [ParserErrorCode.CONST_FACTORY]);
   }
 
   void test_constMethod() {
-    ParserTestCase.parse3("parseClassMember", <Object>[
-      "C"
-    ], "const int m() {}", [ParserErrorCode.CONST_METHOD]);
+    parse3("parseClassMember", <Object>["C"], "const int m() {}",
+        [ParserErrorCode.CONST_METHOD]);
   }
 
   void test_constructorWithReturnType() {
-    ParserTestCase.parse3("parseClassMember", <Object>["C"], "C C() {}", [
-      ParserErrorCode.CONSTRUCTOR_WITH_RETURN_TYPE
-    ]);
+    parse3("parseClassMember", <Object>["C"], "C C() {}",
+        [ParserErrorCode.CONSTRUCTOR_WITH_RETURN_TYPE]);
   }
 
   void test_constructorWithReturnType_var() {
-    ParserTestCase.parse3("parseClassMember", <Object>["C"], "var C() {}", [
-      ParserErrorCode.CONSTRUCTOR_WITH_RETURN_TYPE
-    ]);
+    parse3("parseClassMember", <Object>["C"], "var C() {}",
+        [ParserErrorCode.CONSTRUCTOR_WITH_RETURN_TYPE]);
   }
 
   void test_constTypedef() {
     ParserTestCase.parseCompilationUnit(
         "const typedef F();", [ParserErrorCode.CONST_TYPEDEF]);
   }
 
   void test_continueOutsideOfLoop_continueInDoStatement() {
-    ParserTestCase.parse4("parseDoStatement", "do {continue;} while (x);");
+    parse4("parseDoStatement", "do {continue;} while (x);");
   }
 
   void test_continueOutsideOfLoop_continueInForStatement() {
-    ParserTestCase.parse4("parseForStatement", "for (; x;) {continue;}");
+    parse4("parseForStatement", "for (; x;) {continue;}");
   }
 
   void test_continueOutsideOfLoop_continueInIfStatement() {
-    ParserTestCase.parse4("parseIfStatement", "if (x) {continue;}", [
-      ParserErrorCode.CONTINUE_OUTSIDE_OF_LOOP
-    ]);
+    parse4("parseIfStatement", "if (x) {continue;}",
+        [ParserErrorCode.CONTINUE_OUTSIDE_OF_LOOP]);
   }
 
   void test_continueOutsideOfLoop_continueInSwitchStatement() {
-    ParserTestCase.parse4(
-        "parseSwitchStatement", "switch (x) {case 1: continue a;}");
+    parse4("parseSwitchStatement", "switch (x) {case 1: continue a;}");
   }
 
   void test_continueOutsideOfLoop_continueInWhileStatement() {
-    ParserTestCase.parse4("parseWhileStatement", "while (x) {continue;}");
+    parse4("parseWhileStatement", "while (x) {continue;}");
   }
 
   void test_continueOutsideOfLoop_functionExpression_inALoop() {
-    ParserTestCase.parseStatement("for(; x;) {() {continue;};}", [
-      ParserErrorCode.CONTINUE_OUTSIDE_OF_LOOP
-    ]);
+    ParserTestCase.parseStatement("for(; x;) {() {continue;};}",
+        [ParserErrorCode.CONTINUE_OUTSIDE_OF_LOOP]);
   }
 
   void test_continueOutsideOfLoop_functionExpression_withALoop() {
     ParserTestCase.parseStatement("() {for (; x;) {continue;}};");
   }
 
   void test_continueWithoutLabelInCase_error() {
-    ParserTestCase.parse4("parseSwitchStatement",
-        "switch (x) {case 1: continue;}", [
-      ParserErrorCode.CONTINUE_WITHOUT_LABEL_IN_CASE
-    ]);
+    parse4("parseSwitchStatement", "switch (x) {case 1: continue;}",
+        [ParserErrorCode.CONTINUE_WITHOUT_LABEL_IN_CASE]);
   }
 
   void test_continueWithoutLabelInCase_noError() {
-    ParserTestCase.parse4(
-        "parseSwitchStatement", "switch (x) {case 1: continue a;}");
+    parse4("parseSwitchStatement", "switch (x) {case 1: continue a;}");
   }
 
   void test_continueWithoutLabelInCase_noError_switchInLoop() {
-    ParserTestCase.parse4(
+    parse4(
         "parseWhileStatement", "while (a) { switch (b) {default: continue;}}");
   }
 
   void test_deprecatedClassTypeAlias() {
     ParserTestCase.parseCompilationUnit(
         "typedef C = S with M;", [ParserErrorCode.DEPRECATED_CLASS_TYPE_ALIAS]);
   }
 
   void test_deprecatedClassTypeAlias_withGeneric() {
-    ParserTestCase.parseCompilationUnit("typedef C<T> = S<T> with M;", [
-      ParserErrorCode.DEPRECATED_CLASS_TYPE_ALIAS
-    ]);
+    ParserTestCase.parseCompilationUnit("typedef C<T> = S<T> with M;",
+        [ParserErrorCode.DEPRECATED_CLASS_TYPE_ALIAS]);
   }
 
   void test_directiveAfterDeclaration_classBeforeDirective() {
     CompilationUnit unit = ParserTestCase.parseCompilationUnit(
-        "class Foo{} library l;", [
-      ParserErrorCode.DIRECTIVE_AFTER_DECLARATION
-    ]);
+        "class Foo{} library l;",
+        [ParserErrorCode.DIRECTIVE_AFTER_DECLARATION]);
     expect(unit, isNotNull);
   }
 
   void test_directiveAfterDeclaration_classBetweenDirectives() {
     CompilationUnit unit = ParserTestCase.parseCompilationUnit(
-        "library l;\nclass Foo{}\npart 'a.dart';", [
-      ParserErrorCode.DIRECTIVE_AFTER_DECLARATION
-    ]);
+        "library l;\nclass Foo{}\npart 'a.dart';",
+        [ParserErrorCode.DIRECTIVE_AFTER_DECLARATION]);
     expect(unit, isNotNull);
   }
 
   void test_duplicatedModifier_const() {
-    ParserTestCase.parse3("parseClassMember", <Object>["C"], "const const m;", [
-      ParserErrorCode.DUPLICATED_MODIFIER
-    ]);
+    parse3("parseClassMember", <Object>["C"], "const const m;",
+        [ParserErrorCode.DUPLICATED_MODIFIER]);
   }
 
   void test_duplicatedModifier_external() {
-    ParserTestCase.parse3("parseClassMember", <Object>[
-      "C"
-    ], "external external f();", [ParserErrorCode.DUPLICATED_MODIFIER]);
+    parse3("parseClassMember", <Object>["C"], "external external f();",
+        [ParserErrorCode.DUPLICATED_MODIFIER]);
   }
 
   void test_duplicatedModifier_factory() {
-    ParserTestCase.parse3("parseClassMember", <Object>[
-      "C"
-    ], "factory factory C() {}", [ParserErrorCode.DUPLICATED_MODIFIER]);
+    parse3("parseClassMember", <Object>["C"], "factory factory C() {}",
+        [ParserErrorCode.DUPLICATED_MODIFIER]);
   }
 
   void test_duplicatedModifier_final() {
-    ParserTestCase.parse3("parseClassMember", <Object>["C"], "final final m;", [
-      ParserErrorCode.DUPLICATED_MODIFIER
-    ]);
+    parse3("parseClassMember", <Object>["C"], "final final m;",
+        [ParserErrorCode.DUPLICATED_MODIFIER]);
   }
 
   void test_duplicatedModifier_static() {
-    ParserTestCase.parse3("parseClassMember", <Object>[
-      "C"
-    ], "static static var m;", [ParserErrorCode.DUPLICATED_MODIFIER]);
+    parse3("parseClassMember", <Object>["C"], "static static var m;",
+        [ParserErrorCode.DUPLICATED_MODIFIER]);
   }
 
   void test_duplicatedModifier_var() {
-    ParserTestCase.parse3("parseClassMember", <Object>["C"], "var var m;", [
-      ParserErrorCode.DUPLICATED_MODIFIER
-    ]);
+    parse3("parseClassMember", <Object>["C"], "var var m;",
+        [ParserErrorCode.DUPLICATED_MODIFIER]);
   }
 
   void test_duplicateLabelInSwitchStatement() {
-    ParserTestCase.parse4("parseSwitchStatement",
-        "switch (e) {l1: case 0: break; l1: case 1: break;}", [
-      ParserErrorCode.DUPLICATE_LABEL_IN_SWITCH_STATEMENT
-    ]);
+    parse4("parseSwitchStatement",
+        "switch (e) {l1: case 0: break; l1: case 1: break;}",
+        [ParserErrorCode.DUPLICATE_LABEL_IN_SWITCH_STATEMENT]);
   }
 
   void test_emptyEnumBody() {
-    ParserTestCase.parse3("parseEnumDeclaration", <Object>[
-      emptyCommentAndMetadata()
-    ], "enum E {}", [ParserErrorCode.EMPTY_ENUM_BODY]);
+    parse3("parseEnumDeclaration", <Object>[emptyCommentAndMetadata()],
+        "enum E {}", [ParserErrorCode.EMPTY_ENUM_BODY]);
   }
 
   void test_enumInClass() {
     ParserTestCase.parseCompilationUnit(r'''
 class Foo {
   enum Bar {
     Bar1, Bar2, Bar3
   }
 }
 ''', [ParserErrorCode.ENUM_IN_CLASS]);
   }
 
   void test_equalityCannotBeEqualityOperand_eq_eq() {
-    ParserTestCase.parseExpression(
+    parseExpression(
         "1 == 2 == 3", [ParserErrorCode.EQUALITY_CANNOT_BE_EQUALITY_OPERAND]);
   }
 
   void test_equalityCannotBeEqualityOperand_eq_neq() {
-    ParserTestCase.parseExpression(
+    parseExpression(
         "1 == 2 != 3", [ParserErrorCode.EQUALITY_CANNOT_BE_EQUALITY_OPERAND]);
   }
 
   void test_equalityCannotBeEqualityOperand_neq_eq() {
-    ParserTestCase.parseExpression(
+    parseExpression(
         "1 != 2 == 3", [ParserErrorCode.EQUALITY_CANNOT_BE_EQUALITY_OPERAND]);
   }
 
   void test_expectedCaseOrDefault() {
-    ParserTestCase.parse4("parseSwitchStatement", "switch (e) {break;}", [
-      ParserErrorCode.EXPECTED_CASE_OR_DEFAULT
-    ]);
+    parse4("parseSwitchStatement", "switch (e) {break;}",
+        [ParserErrorCode.EXPECTED_CASE_OR_DEFAULT]);
   }
 
   void test_expectedClassMember_inClass_afterType() {
-    ParserTestCase.parse3("parseClassMember", <Object>["C"], "heart 2 heart", [
-      ParserErrorCode.EXPECTED_CLASS_MEMBER
-    ]);
+    parse3("parseClassMember", <Object>["C"], "heart 2 heart",
+        [ParserErrorCode.EXPECTED_CLASS_MEMBER]);
   }
 
   void test_expectedClassMember_inClass_beforeType() {
-    ParserTestCase.parse3("parseClassMember", <Object>["C"], "4 score", [
-      ParserErrorCode.EXPECTED_CLASS_MEMBER
-    ]);
+    parse3("parseClassMember", <Object>["C"], "4 score",
+        [ParserErrorCode.EXPECTED_CLASS_MEMBER]);
   }
 
   void test_expectedExecutable_inClass_afterVoid() {
-    ParserTestCase.parse3("parseClassMember", <Object>["C"], "void 2 void", [
-      ParserErrorCode.EXPECTED_EXECUTABLE
-    ]);
+    parse3("parseClassMember", <Object>["C"], "void 2 void",
+        [ParserErrorCode.EXPECTED_EXECUTABLE]);
   }
 
   void test_expectedExecutable_topLevel_afterType() {
-    ParserTestCase.parse3("parseCompilationUnitMember", <Object>[
-      emptyCommentAndMetadata()
-    ], "heart 2 heart", [ParserErrorCode.EXPECTED_EXECUTABLE]);
+    parse3("parseCompilationUnitMember", <Object>[emptyCommentAndMetadata()],
+        "heart 2 heart", [ParserErrorCode.EXPECTED_EXECUTABLE]);
   }
 
   void test_expectedExecutable_topLevel_afterVoid() {
-    ParserTestCase.parse3("parseCompilationUnitMember", <Object>[
-      emptyCommentAndMetadata()
-    ], "void 2 void", [ParserErrorCode.EXPECTED_EXECUTABLE]);
+    parse3("parseCompilationUnitMember", <Object>[emptyCommentAndMetadata()],
+        "void 2 void", [ParserErrorCode.EXPECTED_EXECUTABLE]);
   }
 
   void test_expectedExecutable_topLevel_beforeType() {
-    ParserTestCase.parse3("parseCompilationUnitMember", <Object>[
-      emptyCommentAndMetadata()
-    ], "4 score", [ParserErrorCode.EXPECTED_EXECUTABLE]);
+    parse3("parseCompilationUnitMember", <Object>[emptyCommentAndMetadata()],
+        "4 score", [ParserErrorCode.EXPECTED_EXECUTABLE]);
   }
 
   void test_expectedExecutable_topLevel_eof() {
-    ParserTestCase.parse2("parseCompilationUnitMember", <Object>[
-      emptyCommentAndMetadata()
-    ], "x", [
+    parse2("parseCompilationUnitMember", <Object>[emptyCommentAndMetadata()],
+        "x", [
       new AnalysisError.con2(null, 0, 1, ParserErrorCode.EXPECTED_EXECUTABLE)
     ]);
   }
 
   void test_expectedInterpolationIdentifier() {
-    ParserTestCase.parse4(
+    parse4(
         "parseStringLiteral", "'\$x\$'", [ParserErrorCode.MISSING_IDENTIFIER]);
   }
 
   void test_expectedInterpolationIdentifier_emptyString() {
     // The scanner inserts an empty string token between the two $'s; we need to
     // make sure that the MISSING_IDENTIFIER error that is generated has a
     // nonzero width so that it will show up in the editor UI.
-    ParserTestCase.parse2("parseStringLiteral", <Object>[], "'\$\$foo'", [
+    parse2("parseStringLiteral", <Object>[], "'\$\$foo'", [
       new AnalysisError.con2(null, 2, 1, ParserErrorCode.MISSING_IDENTIFIER)
     ]);
   }
 
   void test_expectedStringLiteral() {
-    StringLiteral expression = ParserTestCase.parse4(
+    StringLiteral expression = parse4(
         "parseStringLiteral", "1", [ParserErrorCode.EXPECTED_STRING_LITERAL]);
     expect(expression.isSynthetic, isTrue);
   }
 
   void test_expectedToken_commaMissingInArgumentList() {
-    ParserTestCase.parse4(
-        "parseArgumentList", "(x, y z)", [ParserErrorCode.EXPECTED_TOKEN]);
+    parse4("parseArgumentList", "(x, y z)", [ParserErrorCode.EXPECTED_TOKEN]);
   }
 
   void test_expectedToken_parseStatement_afterVoid() {
     ParserTestCase.parseStatement("void}", [
       ParserErrorCode.EXPECTED_TOKEN,
       ParserErrorCode.MISSING_IDENTIFIER
     ]);
   }
 
   void test_expectedToken_semicolonAfterClass() {
     Token token = TokenFactory.tokenFromKeyword(Keyword.CLASS);
-    ParserTestCase.parse3("parseClassTypeAlias", <Object>[
+    parse3("parseClassTypeAlias", <Object>[
       emptyCommentAndMetadata(),
       null,
       token
     ], "A = B with C", [ParserErrorCode.EXPECTED_TOKEN]);
   }
 
   void test_expectedToken_semicolonMissingAfterExport() {
     CompilationUnit unit = ParserTestCase.parseCompilationUnit(
         "export '' class A {}", [ParserErrorCode.EXPECTED_TOKEN]);
     ExportDirective directive = unit.directives[0] as ExportDirective;
@@ skipping 14 matching lines @@
     expect(semicolon, isNotNull);
     expect(semicolon.isSynthetic, isTrue);
   }
 
   void test_expectedToken_whileMissingInDoStatement() {
     ParserTestCase.parseStatement(
         "do {} (x);", [ParserErrorCode.EXPECTED_TOKEN]);
   }
 
   void test_expectedTypeName_is() {
-    ParserTestCase.parseExpression(
-        "x is", [ParserErrorCode.EXPECTED_TYPE_NAME]);
+    parseExpression("x is", [ParserErrorCode.EXPECTED_TYPE_NAME]);
   }
 
   void test_exportDirectiveAfterPartDirective() {
-    ParserTestCase.parseCompilationUnit("part 'a.dart'; export 'b.dart';", [
-      ParserErrorCode.EXPORT_DIRECTIVE_AFTER_PART_DIRECTIVE
-    ]);
+    ParserTestCase.parseCompilationUnit("part 'a.dart'; export 'b.dart';",
+        [ParserErrorCode.EXPORT_DIRECTIVE_AFTER_PART_DIRECTIVE]);
   }
 
   void test_externalAfterConst() {
-    ParserTestCase.parse3("parseClassMember", <Object>[
-      "C"
-    ], "const external C();", [ParserErrorCode.EXTERNAL_AFTER_CONST]);
+    parse3("parseClassMember", <Object>["C"], "const external C();",
+        [ParserErrorCode.EXTERNAL_AFTER_CONST]);
   }
 
   void test_externalAfterFactory() {
-    ParserTestCase.parse3("parseClassMember", <Object>[
-      "C"
-    ], "factory external C();", [ParserErrorCode.EXTERNAL_AFTER_FACTORY]);
+    parse3("parseClassMember", <Object>["C"], "factory external C();",
+        [ParserErrorCode.EXTERNAL_AFTER_FACTORY]);
   }
 
   void test_externalAfterStatic() {
-    ParserTestCase.parse3("parseClassMember", <Object>[
-      "C"
-    ], "static external int m();", [ParserErrorCode.EXTERNAL_AFTER_STATIC]);
+    parse3("parseClassMember", <Object>["C"], "static external int m();",
+        [ParserErrorCode.EXTERNAL_AFTER_STATIC]);
   }
 
   void test_externalClass() {
     ParserTestCase.parseCompilationUnit(
         "external class C {}", [ParserErrorCode.EXTERNAL_CLASS]);
   }
 
   void test_externalConstructorWithBody_factory() {
-    ParserTestCase.parse3("parseClassMember", <Object>[
-      "C"
-    ], "external factory C() {}", [
-      ParserErrorCode.EXTERNAL_CONSTRUCTOR_WITH_BODY
-    ]);
+    parse3("parseClassMember", <Object>["C"], "external factory C() {}",
+        [ParserErrorCode.EXTERNAL_CONSTRUCTOR_WITH_BODY]);
   }
 
   void test_externalConstructorWithBody_named() {
-    ParserTestCase.parse3("parseClassMember", <Object>[
-      "C"
-    ], "external C.c() {}", [ParserErrorCode.EXTERNAL_CONSTRUCTOR_WITH_BODY]);
+    parse3("parseClassMember", <Object>["C"], "external C.c() {}",
+        [ParserErrorCode.EXTERNAL_CONSTRUCTOR_WITH_BODY]);
   }
 
   void test_externalEnum() {
     ParserTestCase.parseCompilationUnit(
         "external enum E {ONE}", [ParserErrorCode.EXTERNAL_ENUM]);
   }
 
   void test_externalField_const() {
-    ParserTestCase.parse3("parseClassMember", <Object>[
-      "C"
-    ], "external const A f;", [ParserErrorCode.EXTERNAL_FIELD]);
+    parse3("parseClassMember", <Object>["C"], "external const A f;",
+        [ParserErrorCode.EXTERNAL_FIELD]);
   }
 
   void test_externalField_final() {
-    ParserTestCase.parse3("parseClassMember", <Object>[
-      "C"
-    ], "external final A f;", [ParserErrorCode.EXTERNAL_FIELD]);
+    parse3("parseClassMember", <Object>["C"], "external final A f;",
+        [ParserErrorCode.EXTERNAL_FIELD]);
   }
 
   void test_externalField_static() {
-    ParserTestCase.parse3("parseClassMember", <Object>[
-      "C"
-    ], "external static A f;", [ParserErrorCode.EXTERNAL_FIELD]);
+    parse3("parseClassMember", <Object>["C"], "external static A f;",
+        [ParserErrorCode.EXTERNAL_FIELD]);
   }
 
   void test_externalField_typed() {
-    ParserTestCase.parse3("parseClassMember", <Object>["C"], "external A f;", [
-      ParserErrorCode.EXTERNAL_FIELD
-    ]);
+    parse3("parseClassMember", <Object>["C"], "external A f;",
+        [ParserErrorCode.EXTERNAL_FIELD]);
   }
 
   void test_externalField_untyped() {
-    ParserTestCase.parse3("parseClassMember", <Object>[
-      "C"
-    ], "external var f;", [ParserErrorCode.EXTERNAL_FIELD]);
+    parse3("parseClassMember", <Object>["C"], "external var f;",
+        [ParserErrorCode.EXTERNAL_FIELD]);
   }
 
   void test_externalGetterWithBody() {
-    ParserTestCase.parse3("parseClassMember", <Object>[
-      "C"
-    ], "external int get x {}", [ParserErrorCode.EXTERNAL_GETTER_WITH_BODY]);
+    parse3("parseClassMember", <Object>["C"], "external int get x {}",
+        [ParserErrorCode.EXTERNAL_GETTER_WITH_BODY]);
   }
 
   void test_externalMethodWithBody() {
-    ParserTestCase.parse3("parseClassMember", <Object>[
-      "C"
-    ], "external m() {}", [ParserErrorCode.EXTERNAL_METHOD_WITH_BODY]);
+    parse3("parseClassMember", <Object>["C"], "external m() {}",
+        [ParserErrorCode.EXTERNAL_METHOD_WITH_BODY]);
   }
 
   void test_externalOperatorWithBody() {
-    ParserTestCase.parse3("parseClassMember", <Object>[
-      "C"
-    ], "external operator +(int value) {}", [
-      ParserErrorCode.EXTERNAL_OPERATOR_WITH_BODY
-    ]);
+    parse3("parseClassMember", <Object>["C"],
+        "external operator +(int value) {}",
+        [ParserErrorCode.EXTERNAL_OPERATOR_WITH_BODY]);
   }
 
   void test_externalSetterWithBody() {
-    ParserTestCase.parse3("parseClassMember", <Object>[
-      "C"
-    ], "external set x(int value) {}", [
-      ParserErrorCode.EXTERNAL_SETTER_WITH_BODY
-    ]);
+    parse3("parseClassMember", <Object>["C"], "external set x(int value) {}",
+        [ParserErrorCode.EXTERNAL_SETTER_WITH_BODY]);
   }
 
   void test_externalTypedef() {
     ParserTestCase.parseCompilationUnit(
         "external typedef F();", [ParserErrorCode.EXTERNAL_TYPEDEF]);
   }
 
   void test_factoryTopLevelDeclaration_class() {
     ParserTestCase.parseCompilationUnit(
         "factory class C {}", [ParserErrorCode.FACTORY_TOP_LEVEL_DECLARATION]);
   }
 
   void test_factoryTopLevelDeclaration_typedef() {
-    ParserTestCase.parseCompilationUnit("factory typedef F();", [
-      ParserErrorCode.FACTORY_TOP_LEVEL_DECLARATION
-    ]);
+    ParserTestCase.parseCompilationUnit("factory typedef F();",
+        [ParserErrorCode.FACTORY_TOP_LEVEL_DECLARATION]);
   }
 
   void test_factoryWithInitializers() {
-    ParserTestCase.parse3("parseClassMember", <Object>[
-      "C"
-    ], "factory C() : x = 3 {}", [ParserErrorCode.FACTORY_WITH_INITIALIZERS]);
+    parse3("parseClassMember", <Object>["C"], "factory C() : x = 3 {}",
+        [ParserErrorCode.FACTORY_WITH_INITIALIZERS]);
   }
 
   void test_factoryWithoutBody() {
-    ParserTestCase.parse3("parseClassMember", <Object>["C"], "factory C();", [
-      ParserErrorCode.FACTORY_WITHOUT_BODY
-    ]);
+    parse3("parseClassMember", <Object>["C"], "factory C();",
+        [ParserErrorCode.FACTORY_WITHOUT_BODY]);
   }
 
   void test_fieldInitializerOutsideConstructor() {
-    ParserTestCase.parse3("parseClassMember", <Object>["C"], "void m(this.x);",
+    parse3("parseClassMember", <Object>["C"], "void m(this.x);",
         [ParserErrorCode.FIELD_INITIALIZER_OUTSIDE_CONSTRUCTOR]);
   }
 
   void test_finalAndVar() {
-    ParserTestCase.parse3("parseClassMember", <Object>["C"], "final var x;", [
-      ParserErrorCode.FINAL_AND_VAR
-    ]);
+    parse3("parseClassMember", <Object>["C"], "final var x;",
+        [ParserErrorCode.FINAL_AND_VAR]);
   }
 
   void test_finalClass() {
     ParserTestCase.parseCompilationUnit(
         "final class C {}", [ParserErrorCode.FINAL_CLASS]);
   }
 
   void test_finalConstructor() {
-    ParserTestCase.parse3("parseClassMember", <Object>["C"], "final C() {}", [
-      ParserErrorCode.FINAL_CONSTRUCTOR
-    ]);
+    parse3("parseClassMember", <Object>["C"], "final C() {}",
+        [ParserErrorCode.FINAL_CONSTRUCTOR]);
   }
 
   void test_finalEnum() {
     ParserTestCase.parseCompilationUnit(
         "final enum E {ONE}", [ParserErrorCode.FINAL_ENUM]);
   }
 
   void test_finalMethod() {
-    ParserTestCase.parse3("parseClassMember", <Object>[
-      "C"
-    ], "final int m() {}", [ParserErrorCode.FINAL_METHOD]);
+    parse3("parseClassMember", <Object>["C"], "final int m() {}",
+        [ParserErrorCode.FINAL_METHOD]);
   }
 
   void test_finalTypedef() {
     ParserTestCase.parseCompilationUnit(
         "final typedef F();", [ParserErrorCode.FINAL_TYPEDEF]);
   }
 
   void test_functionTypedParameter_const() {
     ParserTestCase.parseCompilationUnit(
         "void f(const x()) {}", [ParserErrorCode.FUNCTION_TYPED_PARAMETER_VAR]);
@@ skipping 23 matching lines @@
     ParserTestCase.parseStatement(
         "get x => _x;", [ParserErrorCode.GETTER_IN_FUNCTION]);
   }
 
   void test_getterInFunction_expression_returnType() {
     ParserTestCase.parseStatement(
         "int get x => _x;", [ParserErrorCode.GETTER_IN_FUNCTION]);
   }
 
   void test_getterWithParameters() {
-    ParserTestCase.parse3("parseClassMember", <Object>["C"], "int get x() {}", [
-      ParserErrorCode.GETTER_WITH_PARAMETERS
-    ]);
+    parse3("parseClassMember", <Object>["C"], "int get x() {}",
+        [ParserErrorCode.GETTER_WITH_PARAMETERS]);
   }
 
   void test_illegalAssignmentToNonAssignable_postfix_minusMinus_literal() {
-    ParserTestCase.parseExpression(
+    parseExpression(
         "0--", [ParserErrorCode.ILLEGAL_ASSIGNMENT_TO_NON_ASSIGNABLE]);
   }
 
   void test_illegalAssignmentToNonAssignable_postfix_plusPlus_literal() {
-    ParserTestCase.parseExpression(
+    parseExpression(
         "0++", [ParserErrorCode.ILLEGAL_ASSIGNMENT_TO_NON_ASSIGNABLE]);
   }
 
   void test_illegalAssignmentToNonAssignable_postfix_plusPlus_parethesized() {
-    ParserTestCase.parseExpression(
+    parseExpression(
         "(x)++", [ParserErrorCode.ILLEGAL_ASSIGNMENT_TO_NON_ASSIGNABLE]);
   }
 
   void test_illegalAssignmentToNonAssignable_primarySelectorPostfix() {
-    ParserTestCase.parseExpression(
+    parseExpression(
         "x(y)(z)++", [ParserErrorCode.ILLEGAL_ASSIGNMENT_TO_NON_ASSIGNABLE]);
   }
 
   void test_illegalAssignmentToNonAssignable_superAssigned() {
     // TODO(brianwilkerson) When the test
     // fail_illegalAssignmentToNonAssignable_superAssigned starts to pass,
     // remove this test (there should only be one error generated, but we're
     // keeping this test until that time so that we can catch other forms of
     // regressions).
-    ParserTestCase.parseExpression("super = x;", [
+    parseExpression("super = x;", [
       ParserErrorCode.MISSING_ASSIGNABLE_SELECTOR,
       ParserErrorCode.ILLEGAL_ASSIGNMENT_TO_NON_ASSIGNABLE
     ]);
   }
 
   void test_implementsBeforeExtends() {
-    ParserTestCase.parseCompilationUnit("class A implements B extends C {}", [
-      ParserErrorCode.IMPLEMENTS_BEFORE_EXTENDS
-    ]);
+    ParserTestCase.parseCompilationUnit("class A implements B extends C {}",
+        [ParserErrorCode.IMPLEMENTS_BEFORE_EXTENDS]);
   }
 
   void test_implementsBeforeWith() {
     ParserTestCase.parseCompilationUnit(
-        "class A extends B implements C with D {}", [
-      ParserErrorCode.IMPLEMENTS_BEFORE_WITH
-    ]);
+        "class A extends B implements C with D {}",
+        [ParserErrorCode.IMPLEMENTS_BEFORE_WITH]);
   }
 
   void test_importDirectiveAfterPartDirective() {
-    ParserTestCase.parseCompilationUnit("part 'a.dart'; import 'b.dart';", [
-      ParserErrorCode.IMPORT_DIRECTIVE_AFTER_PART_DIRECTIVE
-    ]);
+    ParserTestCase.parseCompilationUnit("part 'a.dart'; import 'b.dart';",
+        [ParserErrorCode.IMPORT_DIRECTIVE_AFTER_PART_DIRECTIVE]);
   }
 
   void test_initializedVariableInForEach() {
-    ParserTestCase.parse4("parseForStatement", "for (int a = 0 in foo) {}", [
-      ParserErrorCode.INITIALIZED_VARIABLE_IN_FOR_EACH
-    ]);
+    parse4("parseForStatement", "for (int a = 0 in foo) {}",
+        [ParserErrorCode.INITIALIZED_VARIABLE_IN_FOR_EACH]);
   }
 
   void test_invalidAwaitInFor() {
-    ParserTestCase.parse4("parseForStatement", "await for (; ;) {}", [
-      ParserErrorCode.INVALID_AWAIT_IN_FOR
-    ]);
+    parse4("parseForStatement", "await for (; ;) {}",
+        [ParserErrorCode.INVALID_AWAIT_IN_FOR]);
   }
 
   void test_invalidCodePoint() {
-    ParserTestCase.parse4("parseStringLiteral", "'\\uD900'", [
-      ParserErrorCode.INVALID_CODE_POINT
-    ]);
+    parse4("parseStringLiteral", "'\\uD900'",
+        [ParserErrorCode.INVALID_CODE_POINT]);
   }
 
   void test_invalidHexEscape_invalidDigit() {
-    ParserTestCase.parse4(
+    parse4(
         "parseStringLiteral", "'\\x0 a'", [ParserErrorCode.INVALID_HEX_ESCAPE]);
   }
 
   void test_invalidHexEscape_tooFewDigits() {
-    ParserTestCase.parse4(
+    parse4(
         "parseStringLiteral", "'\\x0'", [ParserErrorCode.INVALID_HEX_ESCAPE]);
   }
 
   void test_invalidInterpolationIdentifier_startWithDigit() {
-    ParserTestCase.parse4(
-        "parseStringLiteral", "'\$1'", [ParserErrorCode.MISSING_IDENTIFIER]);
+    parse4("parseStringLiteral", "'\$1'", [ParserErrorCode.MISSING_IDENTIFIER]);
   }
 
   void test_invalidOperator() {
-    ParserTestCase.parse3("parseClassMember", <Object>[
-      "C"
-    ], "void operator ===(x) {}", [ParserErrorCode.INVALID_OPERATOR]);
+    parse3("parseClassMember", <Object>["C"], "void operator ===(x) {}",
+        [ParserErrorCode.INVALID_OPERATOR]);
   }
 
   void test_invalidOperatorForSuper() {
-    ParserTestCase.parse4("parseUnaryExpression", "++super", [
-      ParserErrorCode.INVALID_OPERATOR_FOR_SUPER
-    ]);
+    parse4("parseUnaryExpression", "++super",
+        [ParserErrorCode.INVALID_OPERATOR_FOR_SUPER]);
   }
 
   void test_invalidStarAfterAsync() {
-    ParserTestCase.parse3("parseFunctionBody", <Object>[
+    parse3("parseFunctionBody", <Object>[
       false,
       null,
       false
     ], "async* => 0;", [ParserErrorCode.INVALID_STAR_AFTER_ASYNC]);
   }
 
   void test_invalidSync() {
-    ParserTestCase.parse3("parseFunctionBody", <Object>[
+    parse3("parseFunctionBody", <Object>[
       false,
       null,
       false
     ], "sync* => 0;", [ParserErrorCode.INVALID_SYNC]);
   }
 
   void test_invalidUnicodeEscape_incomplete_noDigits() {
-    ParserTestCase.parse4("parseStringLiteral", "'\\u{'", [
-      ParserErrorCode.INVALID_UNICODE_ESCAPE
-    ]);
+    parse4("parseStringLiteral", "'\\u{'",
+        [ParserErrorCode.INVALID_UNICODE_ESCAPE]);
   }
 
   void test_invalidUnicodeEscape_incomplete_someDigits() {
-    ParserTestCase.parse4("parseStringLiteral", "'\\u{0A'", [
-      ParserErrorCode.INVALID_UNICODE_ESCAPE
-    ]);
+    parse4("parseStringLiteral", "'\\u{0A'",
+        [ParserErrorCode.INVALID_UNICODE_ESCAPE]);
   }
 
   void test_invalidUnicodeEscape_invalidDigit() {
-    ParserTestCase.parse4("parseStringLiteral", "'\\u0 a'", [
-      ParserErrorCode.INVALID_UNICODE_ESCAPE
-    ]);
+    parse4("parseStringLiteral", "'\\u0 a'",
+        [ParserErrorCode.INVALID_UNICODE_ESCAPE]);
   }
 
   void test_invalidUnicodeEscape_tooFewDigits_fixed() {
-    ParserTestCase.parse4("parseStringLiteral", "'\\u04'", [
-      ParserErrorCode.INVALID_UNICODE_ESCAPE
-    ]);
+    parse4("parseStringLiteral", "'\\u04'",
+        [ParserErrorCode.INVALID_UNICODE_ESCAPE]);
   }
 
   void test_invalidUnicodeEscape_tooFewDigits_variable() {
-    ParserTestCase.parse4("parseStringLiteral", "'\\u{}'", [
-      ParserErrorCode.INVALID_UNICODE_ESCAPE
-    ]);
+    parse4("parseStringLiteral", "'\\u{}'",
+        [ParserErrorCode.INVALID_UNICODE_ESCAPE]);
   }
 
   void test_invalidUnicodeEscape_tooManyDigits_variable() {
-    ParserTestCase.parse4("parseStringLiteral", "'\\u{12345678}'", [
+    parse4("parseStringLiteral", "'\\u{12345678}'", [
       ParserErrorCode.INVALID_UNICODE_ESCAPE,
       ParserErrorCode.INVALID_CODE_POINT
     ]);
   }
 
   void test_libraryDirectiveNotFirst() {
-    ParserTestCase.parseCompilationUnit("import 'x.dart'; library l;", [
-      ParserErrorCode.LIBRARY_DIRECTIVE_NOT_FIRST
-    ]);
+    ParserTestCase.parseCompilationUnit("import 'x.dart'; library l;",
+        [ParserErrorCode.LIBRARY_DIRECTIVE_NOT_FIRST]);
   }
 
   void test_libraryDirectiveNotFirst_afterPart() {
     CompilationUnit unit = ParserTestCase.parseCompilationUnit(
-        "part 'a.dart';\nlibrary l;", [
-      ParserErrorCode.LIBRARY_DIRECTIVE_NOT_FIRST
-    ]);
+        "part 'a.dart';\nlibrary l;",
+        [ParserErrorCode.LIBRARY_DIRECTIVE_NOT_FIRST]);
     expect(unit, isNotNull);
   }
 
   void test_localFunctionDeclarationModifier_abstract() {
-    ParserTestCase.parseStatement("abstract f() {}", [
-      ParserErrorCode.LOCAL_FUNCTION_DECLARATION_MODIFIER
-    ]);
+    ParserTestCase.parseStatement("abstract f() {}",
+        [ParserErrorCode.LOCAL_FUNCTION_DECLARATION_MODIFIER]);
   }
 
   void test_localFunctionDeclarationModifier_external() {
-    ParserTestCase.parseStatement("external f() {}", [
-      ParserErrorCode.LOCAL_FUNCTION_DECLARATION_MODIFIER
-    ]);
+    ParserTestCase.parseStatement("external f() {}",
+        [ParserErrorCode.LOCAL_FUNCTION_DECLARATION_MODIFIER]);
   }
 
   void test_localFunctionDeclarationModifier_factory() {
-    ParserTestCase.parseStatement("factory f() {}", [
-      ParserErrorCode.LOCAL_FUNCTION_DECLARATION_MODIFIER
-    ]);
+    ParserTestCase.parseStatement("factory f() {}",
+        [ParserErrorCode.LOCAL_FUNCTION_DECLARATION_MODIFIER]);
   }
 
   void test_localFunctionDeclarationModifier_static() {
     ParserTestCase.parseStatement(
         "static f() {}", [ParserErrorCode.LOCAL_FUNCTION_DECLARATION_MODIFIER]);
   }
 
   void test_missingAssignableSelector_identifiersAssigned() {
-    ParserTestCase.parseExpression("x.y = y;");
+    parseExpression("x.y = y;");
   }
 
   void test_missingAssignableSelector_prefix_minusMinus_literal() {
-    ParserTestCase.parseExpression(
-        "--0", [ParserErrorCode.MISSING_ASSIGNABLE_SELECTOR]);
+    parseExpression("--0", [ParserErrorCode.MISSING_ASSIGNABLE_SELECTOR]);
   }
 
   void test_missingAssignableSelector_prefix_plusPlus_literal() {
-    ParserTestCase.parseExpression(
-        "++0", [ParserErrorCode.MISSING_ASSIGNABLE_SELECTOR]);
+    parseExpression("++0", [ParserErrorCode.MISSING_ASSIGNABLE_SELECTOR]);
   }
 
   void test_missingAssignableSelector_selector() {
-    ParserTestCase.parseExpression("x(y)(z).a++");
+    parseExpression("x(y)(z).a++");
   }
 
   void test_missingAssignableSelector_superPrimaryExpression() {
-    SuperExpression expression = ParserTestCase.parse4("parsePrimaryExpression",
-        "super", [ParserErrorCode.MISSING_ASSIGNABLE_SELECTOR]);
+    SuperExpression expression = parse4("parsePrimaryExpression", "super",
+        [ParserErrorCode.MISSING_ASSIGNABLE_SELECTOR]);
     expect(expression.superKeyword, isNotNull);
   }
 
   void test_missingAssignableSelector_superPropertyAccessAssigned() {
-    ParserTestCase.parseExpression("super.x = x;");
+    parseExpression("super.x = x;");
   }
 
   void test_missingCatchOrFinally() {
-    TryStatement statement = ParserTestCase.parse4("parseTryStatement",
-        "try {}", [ParserErrorCode.MISSING_CATCH_OR_FINALLY]);
+    TryStatement statement = parse4("parseTryStatement", "try {}",
+        [ParserErrorCode.MISSING_CATCH_OR_FINALLY]);
     expect(statement, isNotNull);
   }
 
   void test_missingClassBody() {
     ParserTestCase.parseCompilationUnit(
         "class A class B {}", [ParserErrorCode.MISSING_CLASS_BODY]);
   }
 
   void test_missingConstFinalVarOrType_static() {
-    ParserTestCase.parseCompilationUnit("class A { static f; }", [
-      ParserErrorCode.MISSING_CONST_FINAL_VAR_OR_TYPE
-    ]);
+    ParserTestCase.parseCompilationUnit("class A { static f; }",
+        [ParserErrorCode.MISSING_CONST_FINAL_VAR_OR_TYPE]);
   }
 
   void test_missingConstFinalVarOrType_topLevel() {
-    ParserTestCase.parse3("parseFinalConstVarOrType", <Object>[false], "a;", [
-      ParserErrorCode.MISSING_CONST_FINAL_VAR_OR_TYPE
-    ]);
+    parse3("parseFinalConstVarOrType", <Object>[false], "a;",
+        [ParserErrorCode.MISSING_CONST_FINAL_VAR_OR_TYPE]);
   }
 
   void test_missingEnumBody() {
-    ParserTestCase.parse3("parseEnumDeclaration", <Object>[
-      emptyCommentAndMetadata()
-    ], "enum E;", [ParserErrorCode.MISSING_ENUM_BODY]);
+    parse3("parseEnumDeclaration", <Object>[emptyCommentAndMetadata()],
+        "enum E;", [ParserErrorCode.MISSING_ENUM_BODY]);
   }
 
   void test_missingExpressionInThrow_withCascade() {
-    ParserTestCase.parse4("parseThrowExpression", "throw;", [
-      ParserErrorCode.MISSING_EXPRESSION_IN_THROW
-    ]);
+    parse4("parseThrowExpression", "throw;",
+        [ParserErrorCode.MISSING_EXPRESSION_IN_THROW]);
   }
 
   void test_missingExpressionInThrow_withoutCascade() {
-    ParserTestCase.parse4("parseThrowExpressionWithoutCascade", "throw;", [
-      ParserErrorCode.MISSING_EXPRESSION_IN_THROW
-    ]);
+    parse4("parseThrowExpressionWithoutCascade", "throw;",
+        [ParserErrorCode.MISSING_EXPRESSION_IN_THROW]);
   }
 
   void test_missingFunctionBody_emptyNotAllowed() {
-    ParserTestCase.parse3("parseFunctionBody", <Object>[
+    parse3("parseFunctionBody", <Object>[
       false,
       ParserErrorCode.MISSING_FUNCTION_BODY,
       false
     ], ";", [ParserErrorCode.MISSING_FUNCTION_BODY]);
   }
 
   void test_missingFunctionBody_invalid() {
-    ParserTestCase.parse3("parseFunctionBody", <Object>[
+    parse3("parseFunctionBody", <Object>[
       false,
       ParserErrorCode.MISSING_FUNCTION_BODY,
       false
     ], "return 0;", [ParserErrorCode.MISSING_FUNCTION_BODY]);
   }
 
   void test_missingFunctionParameters_local_void_block() {
     ParserTestCase.parseStatement(
         "void f { return x;}", [ParserErrorCode.MISSING_FUNCTION_PARAMETERS]);
   }
@@ skipping 17 matching lines @@
     ParserTestCase.parseCompilationUnit(
         "void f { return x;}", [ParserErrorCode.MISSING_FUNCTION_PARAMETERS]);
   }
 
   void test_missingFunctionParameters_topLevel_void_expression() {
     ParserTestCase.parseCompilationUnit(
         "void f => x;", [ParserErrorCode.MISSING_FUNCTION_PARAMETERS]);
   }
 
   void test_missingIdentifier_afterOperator() {
-    ParserTestCase.parse4("parseMultiplicativeExpression", "1 *", [
-      ParserErrorCode.MISSING_IDENTIFIER
-    ]);
+    parse4("parseMultiplicativeExpression", "1 *",
+        [ParserErrorCode.MISSING_IDENTIFIER]);
   }
 
   void test_missingIdentifier_beforeClosingCurly() {
-    ParserTestCase.parse3("parseClassMember", <Object>["C"], "int}", [
+    parse3("parseClassMember", <Object>["C"], "int}", [
       ParserErrorCode.MISSING_IDENTIFIER,
       ParserErrorCode.EXPECTED_TOKEN
     ]);
   }
 
   void test_missingIdentifier_functionDeclaration_returnTypeWithoutName() {
-    ParserTestCase.parse4("parseFunctionDeclarationStatement", "A<T> () {}", [
-      ParserErrorCode.MISSING_IDENTIFIER
-    ]);
+    parse4("parseFunctionDeclarationStatement", "A<T> () {}",
+        [ParserErrorCode.MISSING_IDENTIFIER]);
   }
 
   void test_missingIdentifier_inEnum() {
-    ParserTestCase.parse3("parseEnumDeclaration", <Object>[
-      emptyCommentAndMetadata()
-    ], "enum E {, TWO}", [ParserErrorCode.MISSING_IDENTIFIER]);
+    parse3("parseEnumDeclaration", <Object>[emptyCommentAndMetadata()],
+        "enum E {, TWO}", [ParserErrorCode.MISSING_IDENTIFIER]);
   }
 
   void test_missingIdentifier_inSymbol_afterPeriod() {
-    ParserTestCase.parse4(
-        "parseSymbolLiteral", "#a.", [ParserErrorCode.MISSING_IDENTIFIER]);
+    parse4("parseSymbolLiteral", "#a.", [ParserErrorCode.MISSING_IDENTIFIER]);
   }
 
   void test_missingIdentifier_inSymbol_first() {
-    ParserTestCase.parse4(
-        "parseSymbolLiteral", "#", [ParserErrorCode.MISSING_IDENTIFIER]);
+    parse4("parseSymbolLiteral", "#", [ParserErrorCode.MISSING_IDENTIFIER]);
   }
 
   void test_missingIdentifier_number() {
-    SimpleIdentifier expression = ParserTestCase.parse4(
+    SimpleIdentifier expression = parse4(
         "parseSimpleIdentifier", "1", [ParserErrorCode.MISSING_IDENTIFIER]);
     expect(expression.isSynthetic, isTrue);
   }
 
   void test_missingKeywordOperator() {
-    ParserTestCase.parse3("parseOperator", <Object>[
+    parse3("parseOperator", <Object>[
       emptyCommentAndMetadata(),
       null,
       null
     ], "+(x) {}", [ParserErrorCode.MISSING_KEYWORD_OPERATOR]);
   }
 
   void test_missingKeywordOperator_parseClassMember() {
-    ParserTestCase.parse3("parseClassMember", <Object>["C"], "+() {}", [
-      ParserErrorCode.MISSING_KEYWORD_OPERATOR
-    ]);
+    parse3("parseClassMember", <Object>["C"], "+() {}",
+        [ParserErrorCode.MISSING_KEYWORD_OPERATOR]);
   }
 
   void test_missingKeywordOperator_parseClassMember_afterTypeName() {
-    ParserTestCase.parse3("parseClassMember", <Object>["C"], "int +() {}", [
-      ParserErrorCode.MISSING_KEYWORD_OPERATOR
-    ]);
+    parse3("parseClassMember", <Object>["C"], "int +() {}",
+        [ParserErrorCode.MISSING_KEYWORD_OPERATOR]);
   }
 
   void test_missingKeywordOperator_parseClassMember_afterVoid() {
-    ParserTestCase.parse3("parseClassMember", <Object>["C"], "void +() {}", [
-      ParserErrorCode.MISSING_KEYWORD_OPERATOR
-    ]);
+    parse3("parseClassMember", <Object>["C"], "void +() {}",
+        [ParserErrorCode.MISSING_KEYWORD_OPERATOR]);
   }
 
   void test_missingMethodParameters_void_block() {
-    ParserTestCase.parse3("parseClassMember", <Object>["C"], "void m {} }", [
-      ParserErrorCode.MISSING_METHOD_PARAMETERS
-    ]);
+    parse3("parseClassMember", <Object>["C"], "void m {} }",
+        [ParserErrorCode.MISSING_METHOD_PARAMETERS]);
   }
 
   void test_missingMethodParameters_void_expression() {
-    ParserTestCase.parse3("parseClassMember", <Object>[
-      "C"
-    ], "void m => null; }", [ParserErrorCode.MISSING_METHOD_PARAMETERS]);
+    parse3("parseClassMember", <Object>["C"], "void m => null; }",
+        [ParserErrorCode.MISSING_METHOD_PARAMETERS]);
   }
 
   void test_missingNameInLibraryDirective() {
     CompilationUnit unit = ParserTestCase.parseCompilationUnit(
         "library;", [ParserErrorCode.MISSING_NAME_IN_LIBRARY_DIRECTIVE]);
     expect(unit, isNotNull);
   }
 
   void test_missingNameInPartOfDirective() {
     CompilationUnit unit = ParserTestCase.parseCompilationUnit(
         "part of;", [ParserErrorCode.MISSING_NAME_IN_PART_OF_DIRECTIVE]);
     expect(unit, isNotNull);
   }
 
   void test_missingPrefixInDeferredImport() {
-    ParserTestCase.parseCompilationUnit("import 'foo.dart' deferred;", [
-      ParserErrorCode.MISSING_PREFIX_IN_DEFERRED_IMPORT
-    ]);
+    ParserTestCase.parseCompilationUnit("import 'foo.dart' deferred;",
+        [ParserErrorCode.MISSING_PREFIX_IN_DEFERRED_IMPORT]);
   }
 
   void test_missingStartAfterSync() {
-    ParserTestCase.parse3("parseFunctionBody", <Object>[
+    parse3("parseFunctionBody", <Object>[
       false,
       null,
       false
     ], "sync {}", [ParserErrorCode.MISSING_STAR_AFTER_SYNC]);
   }
 
   void test_missingStatement() {
     ParserTestCase.parseStatement("is", [ParserErrorCode.MISSING_STATEMENT]);
   }
 
   void test_missingStatement_afterVoid() {
     ParserTestCase.parseStatement("void;", [ParserErrorCode.MISSING_STATEMENT]);
   }
 
   void test_missingTerminatorForParameterGroup_named() {
-    ParserTestCase.parse4("parseFormalParameterList", "(a, {b: 0)", [
-      ParserErrorCode.MISSING_TERMINATOR_FOR_PARAMETER_GROUP
-    ]);
+    parse4("parseFormalParameterList", "(a, {b: 0)",
+        [ParserErrorCode.MISSING_TERMINATOR_FOR_PARAMETER_GROUP]);
   }
 
   void test_missingTerminatorForParameterGroup_optional() {
-    ParserTestCase.parse4("parseFormalParameterList", "(a, [b = 0)", [
-      ParserErrorCode.MISSING_TERMINATOR_FOR_PARAMETER_GROUP
-    ]);
+    parse4("parseFormalParameterList", "(a, [b = 0)",
+        [ParserErrorCode.MISSING_TERMINATOR_FOR_PARAMETER_GROUP]);
   }
 
   void test_missingTypedefParameters_nonVoid() {
     ParserTestCase.parseCompilationUnit(
         "typedef int F;", [ParserErrorCode.MISSING_TYPEDEF_PARAMETERS]);
   }
 
   void test_missingTypedefParameters_typeParameters() {
     ParserTestCase.parseCompilationUnit(
         "typedef F<E>;", [ParserErrorCode.MISSING_TYPEDEF_PARAMETERS]);
   }
 
   void test_missingTypedefParameters_void() {
     ParserTestCase.parseCompilationUnit(
         "typedef void F;", [ParserErrorCode.MISSING_TYPEDEF_PARAMETERS]);
   }
 
   void test_missingVariableInForEach() {
-    ParserTestCase.parse4("parseForStatement", "for (a < b in foo) {}", [
-      ParserErrorCode.MISSING_VARIABLE_IN_FOR_EACH
-    ]);
+    parse4("parseForStatement", "for (a < b in foo) {}",
+        [ParserErrorCode.MISSING_VARIABLE_IN_FOR_EACH]);
   }
 
   void test_mixedParameterGroups_namedPositional() {
-    ParserTestCase.parse4("parseFormalParameterList", "(a, {b}, [c])", [
-      ParserErrorCode.MIXED_PARAMETER_GROUPS
-    ]);
+    parse4("parseFormalParameterList", "(a, {b}, [c])",
+        [ParserErrorCode.MIXED_PARAMETER_GROUPS]);
   }
 
   void test_mixedParameterGroups_positionalNamed() {
-    ParserTestCase.parse4("parseFormalParameterList", "(a, [b], {c})", [
-      ParserErrorCode.MIXED_PARAMETER_GROUPS
-    ]);
+    parse4("parseFormalParameterList", "(a, [b], {c})",
+        [ParserErrorCode.MIXED_PARAMETER_GROUPS]);
   }
 
   void test_mixin_application_lacks_with_clause() {
     ParserTestCase.parseCompilationUnit(
         "class Foo = Bar;", [ParserErrorCode.EXPECTED_TOKEN]);
   }
 
   void test_multipleExtendsClauses() {
-    ParserTestCase.parseCompilationUnit("class A extends B extends C {}", [
-      ParserErrorCode.MULTIPLE_EXTENDS_CLAUSES
-    ]);
+    ParserTestCase.parseCompilationUnit("class A extends B extends C {}",
+        [ParserErrorCode.MULTIPLE_EXTENDS_CLAUSES]);
   }
 
   void test_multipleImplementsClauses() {
     ParserTestCase.parseCompilationUnit("class A implements B implements C {}",
         [ParserErrorCode.MULTIPLE_IMPLEMENTS_CLAUSES]);
   }
 
   void test_multipleLibraryDirectives() {
     ParserTestCase.parseCompilationUnit(
         "library l; library m;", [ParserErrorCode.MULTIPLE_LIBRARY_DIRECTIVES]);
   }
 
   void test_multipleNamedParameterGroups() {
-    ParserTestCase.parse4("parseFormalParameterList", "(a, {b}, {c})", [
-      ParserErrorCode.MULTIPLE_NAMED_PARAMETER_GROUPS
-    ]);
+    parse4("parseFormalParameterList", "(a, {b}, {c})",
+        [ParserErrorCode.MULTIPLE_NAMED_PARAMETER_GROUPS]);
   }
 
   void test_multiplePartOfDirectives() {
     ParserTestCase.parseCompilationUnit(
         "part of l; part of m;", [ParserErrorCode.MULTIPLE_PART_OF_DIRECTIVES]);
   }
 
   void test_multiplePositionalParameterGroups() {
-    ParserTestCase.parse4("parseFormalParameterList", "(a, [b], [c])", [
-      ParserErrorCode.MULTIPLE_POSITIONAL_PARAMETER_GROUPS
-    ]);
+    parse4("parseFormalParameterList", "(a, [b], [c])",
+        [ParserErrorCode.MULTIPLE_POSITIONAL_PARAMETER_GROUPS]);
   }
 
   void test_multipleVariablesInForEach() {
-    ParserTestCase.parse4("parseForStatement", "for (int a, b in foo) {}", [
-      ParserErrorCode.MULTIPLE_VARIABLES_IN_FOR_EACH
-    ]);
+    parse4("parseForStatement", "for (int a, b in foo) {}",
+        [ParserErrorCode.MULTIPLE_VARIABLES_IN_FOR_EACH]);
   }
 
   void test_multipleWithClauses() {
-    ParserTestCase.parseCompilationUnit("class A extends B with C with D {}", [
-      ParserErrorCode.MULTIPLE_WITH_CLAUSES
-    ]);
+    ParserTestCase.parseCompilationUnit("class A extends B with C with D {}",
+        [ParserErrorCode.MULTIPLE_WITH_CLAUSES]);
   }
 
   void test_namedParameterOutsideGroup() {
-    ParserTestCase.parse4("parseFormalParameterList", "(a, b : 0)", [
-      ParserErrorCode.NAMED_PARAMETER_OUTSIDE_GROUP
-    ]);
+    parse4("parseFormalParameterList", "(a, b : 0)",
+        [ParserErrorCode.NAMED_PARAMETER_OUTSIDE_GROUP]);
   }
 
   void test_nonConstructorFactory_field() {
-    ParserTestCase.parse3("parseClassMember", <Object>["C"], "factory int x;", [
-      ParserErrorCode.NON_CONSTRUCTOR_FACTORY
-    ]);
+    parse3("parseClassMember", <Object>["C"], "factory int x;",
+        [ParserErrorCode.NON_CONSTRUCTOR_FACTORY]);
   }
 
   void test_nonConstructorFactory_method() {
-    ParserTestCase.parse3("parseClassMember", <Object>[
-      "C"
-    ], "factory int m() {}", [ParserErrorCode.NON_CONSTRUCTOR_FACTORY]);
+    parse3("parseClassMember", <Object>["C"], "factory int m() {}",
+        [ParserErrorCode.NON_CONSTRUCTOR_FACTORY]);
   }
 
   void test_nonIdentifierLibraryName_library() {
     CompilationUnit unit = ParserTestCase.parseCompilationUnit(
         "library 'lib';", [ParserErrorCode.NON_IDENTIFIER_LIBRARY_NAME]);
     expect(unit, isNotNull);
   }
 
   void test_nonIdentifierLibraryName_partOf() {
     CompilationUnit unit = ParserTestCase.parseCompilationUnit(
         "part of 'lib';", [ParserErrorCode.NON_IDENTIFIER_LIBRARY_NAME]);
     expect(unit, isNotNull);
   }
 
   void test_nonPartOfDirectiveInPart_after() {
-    ParserTestCase.parseCompilationUnit("part of l; part 'f.dart';", [
-      ParserErrorCode.NON_PART_OF_DIRECTIVE_IN_PART
-    ]);
+    ParserTestCase.parseCompilationUnit("part of l; part 'f.dart';",
+        [ParserErrorCode.NON_PART_OF_DIRECTIVE_IN_PART]);
   }
 
   void test_nonPartOfDirectiveInPart_before() {
-    ParserTestCase.parseCompilationUnit("part 'f.dart'; part of m;", [
-      ParserErrorCode.NON_PART_OF_DIRECTIVE_IN_PART
-    ]);
+    ParserTestCase.parseCompilationUnit("part 'f.dart'; part of m;",
+        [ParserErrorCode.NON_PART_OF_DIRECTIVE_IN_PART]);
   }
 
   void test_nonUserDefinableOperator() {
-    ParserTestCase.parse3("parseClassMember", <Object>[
-      "C"
-    ], "operator +=(int x) => x + 1;", [
-      ParserErrorCode.NON_USER_DEFINABLE_OPERATOR
-    ]);
+    parse3("parseClassMember", <Object>["C"], "operator +=(int x) => x + 1;",
+        [ParserErrorCode.NON_USER_DEFINABLE_OPERATOR]);
   }
 
   void test_optionalAfterNormalParameters_named() {
     ParserTestCase.parseCompilationUnit(
         "f({a}, b) {}", [ParserErrorCode.NORMAL_BEFORE_OPTIONAL_PARAMETERS]);
   }
 
   void test_optionalAfterNormalParameters_positional() {
     ParserTestCase.parseCompilationUnit(
         "f([a], b) {}", [ParserErrorCode.NORMAL_BEFORE_OPTIONAL_PARAMETERS]);
   }
 
   void test_parseCascadeSection_missingIdentifier() {
-    MethodInvocation methodInvocation = ParserTestCase.parse4(
+    MethodInvocation methodInvocation = parse4(
         "parseCascadeSection", "..()", [ParserErrorCode.MISSING_IDENTIFIER]);
     expect(methodInvocation.target, isNull);
     expect(methodInvocation.methodName.name, "");
     expect(methodInvocation.argumentList.arguments, hasLength(0));
   }
 
   void test_positionalAfterNamedArgument() {
-    ParserTestCase.parse4("parseArgumentList", "(x: 1, 2)", [
-      ParserErrorCode.POSITIONAL_AFTER_NAMED_ARGUMENT
-    ]);
+    parse4("parseArgumentList", "(x: 1, 2)",
+        [ParserErrorCode.POSITIONAL_AFTER_NAMED_ARGUMENT]);
   }
 
   void test_positionalParameterOutsideGroup() {
-    ParserTestCase.parse4("parseFormalParameterList", "(a, b = 0)", [
-      ParserErrorCode.POSITIONAL_PARAMETER_OUTSIDE_GROUP
-    ]);
+    parse4("parseFormalParameterList", "(a, b = 0)",
+        [ParserErrorCode.POSITIONAL_PARAMETER_OUTSIDE_GROUP]);
   }
 
   void test_redirectionInNonFactoryConstructor() {
-    ParserTestCase.parse3("parseClassMember", <Object>["C"], "C() = D;", [
-      ParserErrorCode.REDIRECTION_IN_NON_FACTORY_CONSTRUCTOR
-    ]);
+    parse3("parseClassMember", <Object>["C"], "C() = D;",
+        [ParserErrorCode.REDIRECTION_IN_NON_FACTORY_CONSTRUCTOR]);
   }
 
   void test_setterInFunction_block() {
     ParserTestCase.parseStatement(
         "set x(v) {_x = v;}", [ParserErrorCode.SETTER_IN_FUNCTION]);
   }
 
   void test_setterInFunction_expression() {
     ParserTestCase.parseStatement(
         "set x(v) => _x = v;", [ParserErrorCode.SETTER_IN_FUNCTION]);
   }
 
   void test_staticAfterConst() {
-    ParserTestCase.parse3("parseClassMember", <Object>[
-      "C"
-    ], "final static int f;", [ParserErrorCode.STATIC_AFTER_FINAL]);
+    parse3("parseClassMember", <Object>["C"], "final static int f;",
+        [ParserErrorCode.STATIC_AFTER_FINAL]);
   }
 
   void test_staticAfterFinal() {
-    ParserTestCase.parse3("parseClassMember", <Object>[
-      "C"
-    ], "const static int f;", [ParserErrorCode.STATIC_AFTER_CONST]);
+    parse3("parseClassMember", <Object>["C"], "const static int f;",
+        [ParserErrorCode.STATIC_AFTER_CONST]);
   }
 
   void test_staticAfterVar() {
-    ParserTestCase.parse3("parseClassMember", <Object>["C"], "var static f;", [
-      ParserErrorCode.STATIC_AFTER_VAR
-    ]);
+    parse3("parseClassMember", <Object>["C"], "var static f;",
+        [ParserErrorCode.STATIC_AFTER_VAR]);
   }
 
   void test_staticConstructor() {
-    ParserTestCase.parse3("parseClassMember", <Object>[
-      "C"
-    ], "static C.m() {}", [ParserErrorCode.STATIC_CONSTRUCTOR]);
+    parse3("parseClassMember", <Object>["C"], "static C.m() {}",
+        [ParserErrorCode.STATIC_CONSTRUCTOR]);
   }
 
   void test_staticGetterWithoutBody() {
-    ParserTestCase.parse3("parseClassMember", <Object>["C"], "static get m;", [
-      ParserErrorCode.STATIC_GETTER_WITHOUT_BODY
-    ]);
+    parse3("parseClassMember", <Object>["C"], "static get m;",
+        [ParserErrorCode.STATIC_GETTER_WITHOUT_BODY]);
   }
 
   void test_staticOperator_noReturnType() {
-    ParserTestCase.parse3("parseClassMember", <Object>[
-      "C"
-    ], "static operator +(int x) => x + 1;", [ParserErrorCode.STATIC_OPERATOR]);
+    parse3("parseClassMember", <Object>["C"],
+        "static operator +(int x) => x + 1;",
+        [ParserErrorCode.STATIC_OPERATOR]);
   }
 
   void test_staticOperator_returnType() {
-    ParserTestCase.parse3("parseClassMember", <Object>[
-      "C"
-    ], "static int operator +(int x) => x + 1;", [
-      ParserErrorCode.STATIC_OPERATOR
-    ]);
+    parse3("parseClassMember", <Object>["C"],
+        "static int operator +(int x) => x + 1;",
+        [ParserErrorCode.STATIC_OPERATOR]);
   }
 
   void test_staticSetterWithoutBody() {
-    ParserTestCase.parse3("parseClassMember", <Object>[
-      "C"
-    ], "static set m(x);", [ParserErrorCode.STATIC_SETTER_WITHOUT_BODY]);
+    parse3("parseClassMember", <Object>["C"], "static set m(x);",
+        [ParserErrorCode.STATIC_SETTER_WITHOUT_BODY]);
   }
 
   void test_staticTopLevelDeclaration_class() {
     ParserTestCase.parseCompilationUnit(
         "static class C {}", [ParserErrorCode.STATIC_TOP_LEVEL_DECLARATION]);
   }
 
   void test_staticTopLevelDeclaration_function() {
     ParserTestCase.parseCompilationUnit(
         "static f() {}", [ParserErrorCode.STATIC_TOP_LEVEL_DECLARATION]);
   }
 
   void test_staticTopLevelDeclaration_typedef() {
     ParserTestCase.parseCompilationUnit(
         "static typedef F();", [ParserErrorCode.STATIC_TOP_LEVEL_DECLARATION]);
   }
 
   void test_staticTopLevelDeclaration_variable() {
     ParserTestCase.parseCompilationUnit(
         "static var x;", [ParserErrorCode.STATIC_TOP_LEVEL_DECLARATION]);
   }
 
   void test_switchHasCaseAfterDefaultCase() {
-    ParserTestCase.parse4("parseSwitchStatement",
-        "switch (a) {default: return 0; case 1: return 1;}", [
-      ParserErrorCode.SWITCH_HAS_CASE_AFTER_DEFAULT_CASE
-    ]);
+    parse4("parseSwitchStatement",
+        "switch (a) {default: return 0; case 1: return 1;}",
+        [ParserErrorCode.SWITCH_HAS_CASE_AFTER_DEFAULT_CASE]);
   }
 
   void test_switchHasCaseAfterDefaultCase_repeated() {
-    ParserTestCase.parse4("parseSwitchStatement",
+    parse4("parseSwitchStatement",
         "switch (a) {default: return 0; case 1: return 1; case 2: return 2;}", [
       ParserErrorCode.SWITCH_HAS_CASE_AFTER_DEFAULT_CASE,
       ParserErrorCode.SWITCH_HAS_CASE_AFTER_DEFAULT_CASE
     ]);
   }
 
   void test_switchHasMultipleDefaultCases() {
-    ParserTestCase.parse4("parseSwitchStatement",
-        "switch (a) {default: return 0; default: return 1;}", [
-      ParserErrorCode.SWITCH_HAS_MULTIPLE_DEFAULT_CASES
-    ]);
+    parse4("parseSwitchStatement",
+        "switch (a) {default: return 0; default: return 1;}",
+        [ParserErrorCode.SWITCH_HAS_MULTIPLE_DEFAULT_CASES]);
   }
 
   void test_switchHasMultipleDefaultCases_repeated() {
-    ParserTestCase.parse4("parseSwitchStatement",
+    parse4("parseSwitchStatement",
         "switch (a) {default: return 0; default: return 1; default: return 2;}",
         [
       ParserErrorCode.SWITCH_HAS_MULTIPLE_DEFAULT_CASES,
       ParserErrorCode.SWITCH_HAS_MULTIPLE_DEFAULT_CASES
     ]);
   }
 
   void test_topLevelOperator_withoutType() {
-    ParserTestCase.parse3("parseCompilationUnitMember", <Object>[
-      emptyCommentAndMetadata()
-    ], "operator +(bool x, bool y) => x | y;", [
-      ParserErrorCode.TOP_LEVEL_OPERATOR
-    ]);
+    parse3("parseCompilationUnitMember", <Object>[emptyCommentAndMetadata()],
+        "operator +(bool x, bool y) => x | y;",
+        [ParserErrorCode.TOP_LEVEL_OPERATOR]);
   }
 
   void test_topLevelOperator_withType() {
-    ParserTestCase.parse3("parseCompilationUnitMember", <Object>[
-      emptyCommentAndMetadata()
-    ], "bool operator +(bool x, bool y) => x | y;", [
-      ParserErrorCode.TOP_LEVEL_OPERATOR
-    ]);
+    parse3("parseCompilationUnitMember", <Object>[emptyCommentAndMetadata()],
+        "bool operator +(bool x, bool y) => x | y;",
+        [ParserErrorCode.TOP_LEVEL_OPERATOR]);
   }
 
   void test_topLevelOperator_withVoid() {
-    ParserTestCase.parse3("parseCompilationUnitMember", <Object>[
-      emptyCommentAndMetadata()
-    ], "void operator +(bool x, bool y) => x | y;", [
-      ParserErrorCode.TOP_LEVEL_OPERATOR
-    ]);
+    parse3("parseCompilationUnitMember", <Object>[emptyCommentAndMetadata()],
+        "void operator +(bool x, bool y) => x | y;",
+        [ParserErrorCode.TOP_LEVEL_OPERATOR]);
   }
 
   void test_typedefInClass_withoutReturnType() {
     ParserTestCase.parseCompilationUnit(
         "class C { typedef F(x); }", [ParserErrorCode.TYPEDEF_IN_CLASS]);
   }
 
   void test_typedefInClass_withReturnType() {
-    ParserTestCase.parseCompilationUnit("class C { typedef int F(int x); }", [
-      ParserErrorCode.TYPEDEF_IN_CLASS
-    ]);
+    ParserTestCase.parseCompilationUnit("class C { typedef int F(int x); }",
+        [ParserErrorCode.TYPEDEF_IN_CLASS]);
   }
 
   void test_unexpectedTerminatorForParameterGroup_named() {
-    ParserTestCase.parse4("parseFormalParameterList", "(a, b})", [
-      ParserErrorCode.UNEXPECTED_TERMINATOR_FOR_PARAMETER_GROUP
-    ]);
+    parse4("parseFormalParameterList", "(a, b})",
+        [ParserErrorCode.UNEXPECTED_TERMINATOR_FOR_PARAMETER_GROUP]);
   }
 
   void test_unexpectedTerminatorForParameterGroup_optional() {
-    ParserTestCase.parse4("parseFormalParameterList", "(a, b])", [
-      ParserErrorCode.UNEXPECTED_TERMINATOR_FOR_PARAMETER_GROUP
-    ]);
+    parse4("parseFormalParameterList", "(a, b])",
+        [ParserErrorCode.UNEXPECTED_TERMINATOR_FOR_PARAMETER_GROUP]);
   }
 
   void test_unexpectedToken_endOfFieldDeclarationStatement() {
     ParserTestCase.parseStatement(
         "String s = (null));", [ParserErrorCode.UNEXPECTED_TOKEN]);
   }
 
   void test_unexpectedToken_returnInExpressionFuntionBody() {
     ParserTestCase.parseCompilationUnit(
         "f() => return null;", [ParserErrorCode.UNEXPECTED_TOKEN]);
   }
 
   void test_unexpectedToken_semicolonBetweenClassMembers() {
-    ParserTestCase.parse3("parseClassDeclaration", <Object>[
+    parse3("parseClassDeclaration", <Object>[
       emptyCommentAndMetadata(),
       null
     ], "class C { int x; ; int y;}", [ParserErrorCode.UNEXPECTED_TOKEN]);
   }
 
   void test_unexpectedToken_semicolonBetweenCompilationUnitMembers() {
     ParserTestCase.parseCompilationUnit(
         "int x; ; int y;", [ParserErrorCode.UNEXPECTED_TOKEN]);
   }
 
   void test_useOfUnaryPlusOperator() {
-    SimpleIdentifier expression = ParserTestCase.parse4(
+    SimpleIdentifier expression = parse4(
         "parseUnaryExpression", "+x", [ParserErrorCode.MISSING_IDENTIFIER]);
     EngineTestCase.assertInstanceOf(
         (obj) => obj is SimpleIdentifier, SimpleIdentifier, expression);
     expect(expression.isSynthetic, isTrue);
   }
 
   void test_varAndType_field() {
     ParserTestCase.parseCompilationUnit(
         "class C { var int x; }", [ParserErrorCode.VAR_AND_TYPE]);
   }
 
   void test_varAndType_topLevelVariable() {
     ParserTestCase.parseCompilationUnit(
         "var int x;", [ParserErrorCode.VAR_AND_TYPE]);
   }
 
   void test_varAsTypeName_as() {
-    ParserTestCase.parseExpression(
-        "x as var", [ParserErrorCode.VAR_AS_TYPE_NAME]);
+    parseExpression("x as var", [ParserErrorCode.VAR_AS_TYPE_NAME]);
   }
 
   void test_varClass() {
     ParserTestCase.parseCompilationUnit(
         "var class C {}", [ParserErrorCode.VAR_CLASS]);
   }
 
   void test_varEnum() {
     ParserTestCase.parseCompilationUnit(
         "var enum E {ONE}", [ParserErrorCode.VAR_ENUM]);
   }
 
   void test_varReturnType() {
-    ParserTestCase.parse3("parseClassMember", <Object>["C"], "var m() {}", [
-      ParserErrorCode.VAR_RETURN_TYPE
-    ]);
+    parse3("parseClassMember", <Object>["C"], "var m() {}",
+        [ParserErrorCode.VAR_RETURN_TYPE]);
   }
 
   void test_varTypedef() {
     ParserTestCase.parseCompilationUnit(
         "var typedef F();", [ParserErrorCode.VAR_TYPEDEF]);
   }
 
   void test_voidParameter() {
-    ParserTestCase.parse4("parseNormalFormalParameter", "void a)", [
-      ParserErrorCode.VOID_PARAMETER
-    ]);
+    parse4("parseNormalFormalParameter", "void a)",
+        [ParserErrorCode.VOID_PARAMETER]);
   }
 
   void test_voidVariable_parseClassMember_initializer() {
-    ParserTestCase.parse3("parseClassMember", <Object>["C"], "void x = 0;", [
-      ParserErrorCode.VOID_VARIABLE
-    ]);
+    parse3("parseClassMember", <Object>["C"], "void x = 0;",
+        [ParserErrorCode.VOID_VARIABLE]);
   }
 
   void test_voidVariable_parseClassMember_noInitializer() {
-    ParserTestCase.parse3("parseClassMember", <Object>["C"], "void x;", [
-      ParserErrorCode.VOID_VARIABLE
-    ]);
+    parse3("parseClassMember", <Object>["C"], "void x;",
+        [ParserErrorCode.VOID_VARIABLE]);
   }
 
   void test_voidVariable_parseCompilationUnit_initializer() {
     ParserTestCase.parseCompilationUnit(
         "void x = 0;", [ParserErrorCode.VOID_VARIABLE]);
   }
 
   void test_voidVariable_parseCompilationUnit_noInitializer() {
     ParserTestCase.parseCompilationUnit(
         "void x;", [ParserErrorCode.VOID_VARIABLE]);
   }
 
   void test_voidVariable_parseCompilationUnitMember_initializer() {
-    ParserTestCase.parse3("parseCompilationUnitMember", <Object>[
-      emptyCommentAndMetadata()
-    ], "void a = 0;", [ParserErrorCode.VOID_VARIABLE]);
+    parse3("parseCompilationUnitMember", <Object>[emptyCommentAndMetadata()],
+        "void a = 0;", [ParserErrorCode.VOID_VARIABLE]);
   }
 
   void test_voidVariable_parseCompilationUnitMember_noInitializer() {
-    ParserTestCase.parse3("parseCompilationUnitMember", <Object>[
-      emptyCommentAndMetadata()
-    ], "void a;", [ParserErrorCode.VOID_VARIABLE]);
+    parse3("parseCompilationUnitMember", <Object>[emptyCommentAndMetadata()],
+        "void a;", [ParserErrorCode.VOID_VARIABLE]);
   }
 
   void test_voidVariable_statement_initializer() {
     ParserTestCase.parseStatement("void x = 0;", [
       ParserErrorCode.VOID_VARIABLE,
       ParserErrorCode.MISSING_CONST_FINAL_VAR_OR_TYPE
     ]);
   }
 
   void test_voidVariable_statement_noInitializer() {
     ParserTestCase.parseStatement("void x;", [
       ParserErrorCode.VOID_VARIABLE,
       ParserErrorCode.MISSING_CONST_FINAL_VAR_OR_TYPE
     ]);
   }
 
   void test_withBeforeExtends() {
     ParserTestCase.parseCompilationUnit(
         "class A with B extends C {}", [ParserErrorCode.WITH_BEFORE_EXTENDS]);
   }
 
   void test_withWithoutExtends() {
-    ParserTestCase.parse3("parseClassDeclaration", <Object>[
+    parse3("parseClassDeclaration", <Object>[
       emptyCommentAndMetadata(),
       null
     ], "class A with B, C {}", [ParserErrorCode.WITH_WITHOUT_EXTENDS]);
   }
 
   void test_wrongSeparatorForNamedParameter() {
-    ParserTestCase.parse4("parseFormalParameterList", "(a, {b = 0})", [
-      ParserErrorCode.WRONG_SEPARATOR_FOR_NAMED_PARAMETER
-    ]);
+    parse4("parseFormalParameterList", "(a, {b = 0})",
+        [ParserErrorCode.WRONG_SEPARATOR_FOR_NAMED_PARAMETER]);
   }
 
   void test_wrongSeparatorForPositionalParameter() {
-    ParserTestCase.parse4("parseFormalParameterList", "(a, [b : 0])", [
-      ParserErrorCode.WRONG_SEPARATOR_FOR_POSITIONAL_PARAMETER
-    ]);
+    parse4("parseFormalParameterList", "(a, [b : 0])",
+        [ParserErrorCode.WRONG_SEPARATOR_FOR_POSITIONAL_PARAMETER]);
   }
 
   void test_wrongTerminatorForParameterGroup_named() {
-    ParserTestCase.parse4("parseFormalParameterList", "(a, {b, c])", [
-      ParserErrorCode.WRONG_TERMINATOR_FOR_PARAMETER_GROUP
-    ]);
+    parse4("parseFormalParameterList", "(a, {b, c])",
+        [ParserErrorCode.WRONG_TERMINATOR_FOR_PARAMETER_GROUP]);
   }
 
   void test_wrongTerminatorForParameterGroup_optional() {
-    ParserTestCase.parse4("parseFormalParameterList", "(a, [b, c})", [
-      ParserErrorCode.WRONG_TERMINATOR_FOR_PARAMETER_GROUP
-    ]);
+    parse4("parseFormalParameterList", "(a, [b, c})",
+        [ParserErrorCode.WRONG_TERMINATOR_FOR_PARAMETER_GROUP]);
   }
 }
 
 @reflectiveTest
 class IncrementalParserTest extends EngineTestCase {
   void fail_replace_identifier_with_functionLiteral_in_initializer_interp() {
     // TODO(paulberry, brianwilkerson): broken due to incremental scanning bugs
 
     // Function literals are allowed inside interpolation expressions in
     // initializers.
@@ skipping 354 matching lines @@
     // full parse of the modified source.
     //
     expect(AstComparator.equalNodes(modifiedUnit, incrementalUnit), isTrue);
     // TODO(brianwilkerson) Verify that the errors are correct?
   }
 }
 
 @reflectiveTest
 class NonErrorParserTest extends ParserTestCase {
   void test_constFactory_external() {
-    ParserTestCase.parse(
-        "parseClassMember", <Object>["C"], "external const factory C();");
+    parse("parseClassMember", <Object>["C"], "external const factory C();");
   }
 }
 
 class ParserTestCase extends EngineTestCase {
   /**
    * An empty list of objects used as arguments to zero-argument methods.
    */
   static const List<Object> _EMPTY_ARGUMENTS = const <Object>[];
 
   /**
@@ skipping 14 matching lines @@
   }
 
   /**
    * Return an empty CommentAndMetadata object that can be used for testing.
    *
    * @return an empty CommentAndMetadata object that can be used for testing
    */
   CommentAndMetadata emptyCommentAndMetadata() =>
       new CommentAndMetadata(null, null);
 
-  @override
-  void setUp() {
-    super.setUp();
-    parseFunctionBodies = true;
-  }
-
-  /**
-   * Create a parser.
-   *
-   * @param listener the listener to be passed to the parser
-   * @return the parser that was created
-   */
-  static Parser createParser(GatheringErrorListener listener) {
-    return new Parser(null, listener);
-  }
-
   /**
    * Invoke a method in [Parser]. The method is assumed to have the given number and type of
    * parameters and will be invoked with the given arguments.
    *
    * The given source is scanned and the parser is initialized to start with the first token in the
    * source before the method is invoked.
    *
    * @param methodName the name of the method that should be invoked
    * @param objects the values of the arguments to the method
    * @param source the source to be processed by the parse method
    * @param listener the error listener that will be used for both scanning and parsing
    * @return the result of invoking the method
    * @throws Exception if the method could not be invoked or throws an exception
    * @throws AssertionFailedError if the result is `null` or the errors produced while
    *           scanning and parsing the source do not match the expected errors
    */
-  static Object invokeParserMethod(String methodName, List<Object> objects,
+  Object invokeParserMethod(String methodName, List<Object> objects,
       String source, GatheringErrorListener listener) {
     //
     // Scan the source.
     //
     Scanner scanner =
         new Scanner(null, new CharSequenceReader(source), listener);
     Token tokenStream = scanner.tokenize();
     listener.setLineInfo(new TestSource(), scanner.lineStarts);
     //
     // Parse the source.
@@ skipping 18 matching lines @@
    * source before the method is invoked.
    *
    * @param methodName the name of the method that should be invoked
    * @param source the source to be processed by the parse method
    * @param listener the error listener that will be used for both scanning and parsing
    * @return the result of invoking the method
    * @throws Exception if the method could not be invoked or throws an exception
    * @throws AssertionFailedError if the result is `null` or the errors produced while
    *           scanning and parsing the source do not match the expected errors
    */
-  static Object invokeParserMethod2(
+  Object invokeParserMethod2(
           String methodName, String source, GatheringErrorListener listener) =>
       invokeParserMethod(methodName, _EMPTY_ARGUMENTS, source, listener);
 
   /**
    * Invoke a parse method in [Parser]. The method is assumed to have the given number and
    * type of parameters and will be invoked with the given arguments.
    *
    * The given source is scanned and the parser is initialized to start with the first token in the
    * source before the parse method is invoked.
    *
    * @param methodName the name of the parse method that should be invoked to parse the source
    * @param objects the values of the arguments to the method
    * @param source the source to be parsed by the parse method
    * @return the result of invoking the method
    * @throws Exception if the method could not be invoked or throws an exception
    * @throws AssertionFailedError if the result is `null` or if any errors are produced
    */
-  static Object parse(String methodName, List<Object> objects, String source) =>
+  Object parse(String methodName, List<Object> objects, String source) =>
       parse2(methodName, objects, source);
 
   /**
    * Invoke a parse method in [Parser]. The method is assumed to have the given number and
    * type of parameters and will be invoked with the given arguments.
    *
    * The given source is scanned and the parser is initialized to start with the first token in the
    * source before the parse method is invoked.
    *
    * @param methodName the name of the parse method that should be invoked to parse the source
    * @param objects the values of the arguments to the method
    * @param source the source to be parsed by the parse method
    * @param errors the errors that should be generated
    * @return the result of invoking the method
    * @throws Exception if the method could not be invoked or throws an exception
    * @throws AssertionFailedError if the result is `null` or the errors produced while
    *           scanning and parsing the source do not match the expected errors
    */
-  static Object parse2(String methodName, List<Object> objects, String source,
+  Object parse2(String methodName, List<Object> objects, String source,
       [List<AnalysisError> errors = AnalysisError.NO_ERRORS]) {
     GatheringErrorListener listener = new GatheringErrorListener();
     Object result = invokeParserMethod(methodName, objects, source, listener);
     listener.assertErrors(errors);
     return result;
   }
 
   /**
    * Invoke a parse method in [Parser]. The method is assumed to have the given number and
    * type of parameters and will be invoked with the given arguments.
    *
    * The given source is scanned and the parser is initialized to start with the first token in the
    * source before the parse method is invoked.
    *
    * @param methodName the name of the parse method that should be invoked to parse the source
    * @param objects the values of the arguments to the method
    * @param source the source to be parsed by the parse method
    * @param errorCodes the error codes of the errors that should be generated
    * @return the result of invoking the method
    * @throws Exception if the method could not be invoked or throws an exception
    * @throws AssertionFailedError if the result is `null` or the errors produced while
    *           scanning and parsing the source do not match the expected errors
    */
-  static Object parse3(String methodName, List<Object> objects, String source,
+  Object parse3(String methodName, List<Object> objects, String source,
       [List<ErrorCode> errorCodes = ErrorCode.EMPTY_LIST]) {
     GatheringErrorListener listener = new GatheringErrorListener();
     Object result = invokeParserMethod(methodName, objects, source, listener);
     listener.assertErrorsWithCodes(errorCodes);
     return result;
   }
 
   /**
    * Invoke a parse method in [Parser]. The method is assumed to have no arguments.
    *
    * The given source is scanned and the parser is initialized to start with the first token in the
    * source before the parse method is invoked.
    *
    * @param methodName the name of the parse method that should be invoked to parse the source
    * @param source the source to be parsed by the parse method
    * @param errorCodes the error codes of the errors that should be generated
    * @return the result of invoking the method
    * @throws Exception if the method could not be invoked or throws an exception
    * @throws AssertionFailedError if the result is `null` or the errors produced while
    *           scanning and parsing the source do not match the expected errors
    */
-  static Object parse4(String methodName, String source,
+  Object parse4(String methodName, String source,
           [List<ErrorCode> errorCodes = ErrorCode.EMPTY_LIST]) =>
       parse3(methodName, _EMPTY_ARGUMENTS, source, errorCodes);
 
   /**
-   * Parse the given source as a compilation unit.
+   * Parse the given source as an expression.
    *
    * @param source the source to be parsed
    * @param errorCodes the error codes of the errors that are expected to be found
-   * @return the compilation unit that was parsed
+   * @return the expression that was parsed
    * @throws Exception if the source could not be parsed, if the compilation errors in the source do
    *           not match those that are expected, or if the result would have been `null`
    */
-  static CompilationUnit parseCompilationUnit(String source,
+  Expression parseExpression(String source,
       [List<ErrorCode> errorCodes = ErrorCode.EMPTY_LIST]) {
     GatheringErrorListener listener = new GatheringErrorListener();
     Scanner scanner =
         new Scanner(null, new CharSequenceReader(source), listener);
     listener.setLineInfo(new TestSource(), scanner.lineStarts);
     Token token = scanner.tokenize();
     Parser parser = createParser(listener);
-    CompilationUnit unit = parser.parseCompilationUnit(token);
-    expect(unit, isNotNull);
+    Expression expression = parser.parseExpression(token);
+    expect(expression, isNotNull);
     listener.assertErrorsWithCodes(errorCodes);
-    return unit;
+    return expression;
+  }
+
+  @override
+  void setUp() {
+    super.setUp();
+    parseFunctionBodies = true;
   }
 
   /**
-   * Parse the given source as an expression.
+   * Create a parser.
+   *
+   * @param listener the listener to be passed to the parser
+   * @return the parser that was created
+   */
+  static Parser createParser(GatheringErrorListener listener) {
+    return new Parser(null, listener);
+  }
+
+  /**
+   * Parse the given source as a compilation unit.
    *
    * @param source the source to be parsed
    * @param errorCodes the error codes of the errors that are expected to be found
-   * @return the expression that was parsed
+   * @return the compilation unit that was parsed
    * @throws Exception if the source could not be parsed, if the compilation errors in the source do
    *           not match those that are expected, or if the result would have been `null`
    */
-  static Expression parseExpression(String source,
+  static CompilationUnit parseCompilationUnit(String source,
       [List<ErrorCode> errorCodes = ErrorCode.EMPTY_LIST]) {
     GatheringErrorListener listener = new GatheringErrorListener();
     Scanner scanner =
         new Scanner(null, new CharSequenceReader(source), listener);
     listener.setLineInfo(new TestSource(), scanner.lineStarts);
     Token token = scanner.tokenize();
     Parser parser = createParser(listener);
-    Expression expression = parser.parseExpression(token);
-    expect(expression, isNotNull);
+    CompilationUnit unit = parser.parseCompilationUnit(token);
+    expect(unit, isNotNull);
     listener.assertErrorsWithCodes(errorCodes);
-    return expression;
+    return unit;
   }
 
   /**
    * Parse the given source as a statement.
    *
    * @param source the source to be parsed
    * @param errorCodes the error codes of the errors that are expected to be found
    * @return the statement that was parsed
    * @throws Exception if the source could not be parsed, if the compilation errors in the source do
    *           not match those that are expected, or if the result would have been `null`
@@ skipping 50 matching lines @@
   if (map == null) return null;
   Map<Symbol, dynamic> result = new Map<Symbol, dynamic>();
   map.forEach((name, value) {
     result[new Symbol(name)] = value;
   });
   return result;
 }''');
   }
 
   void test_additiveExpression_missing_LHS() {
-    BinaryExpression expression = ParserTestCase.parseExpression(
-        "+ y", [ParserErrorCode.MISSING_IDENTIFIER]);
+    BinaryExpression expression =
+        parseExpression("+ y", [ParserErrorCode.MISSING_IDENTIFIER]);
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, expression.leftOperand);
     expect(expression.leftOperand.isSynthetic, isTrue);
   }
 
   void test_additiveExpression_missing_LHS_RHS() {
-    BinaryExpression expression = ParserTestCase.parseExpression("+", [
+    BinaryExpression expression = parseExpression("+", [
       ParserErrorCode.MISSING_IDENTIFIER,
       ParserErrorCode.MISSING_IDENTIFIER
     ]);
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, expression.leftOperand);
     expect(expression.leftOperand.isSynthetic, isTrue);
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, expression.rightOperand);
     expect(expression.rightOperand.isSynthetic, isTrue);
   }
 
   void test_additiveExpression_missing_RHS() {
-    BinaryExpression expression = ParserTestCase.parseExpression(
-        "x +", [ParserErrorCode.MISSING_IDENTIFIER]);
+    BinaryExpression expression =
+        parseExpression("x +", [ParserErrorCode.MISSING_IDENTIFIER]);
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, expression.rightOperand);
     expect(expression.rightOperand.isSynthetic, isTrue);
   }
 
   void test_additiveExpression_missing_RHS_super() {
-    BinaryExpression expression = ParserTestCase.parseExpression(
-        "super +", [ParserErrorCode.MISSING_IDENTIFIER]);
+    BinaryExpression expression =
+        parseExpression("super +", [ParserErrorCode.MISSING_IDENTIFIER]);
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, expression.rightOperand);
     expect(expression.rightOperand.isSynthetic, isTrue);
   }
 
   void test_additiveExpression_precedence_multiplicative_left() {
-    BinaryExpression expression = ParserTestCase.parseExpression("* +", [
+    BinaryExpression expression = parseExpression("* +", [
       ParserErrorCode.MISSING_IDENTIFIER,
       ParserErrorCode.MISSING_IDENTIFIER,
       ParserErrorCode.MISSING_IDENTIFIER
     ]);
     EngineTestCase.assertInstanceOf((obj) => obj is BinaryExpression,
         BinaryExpression, expression.leftOperand);
   }
 
   void test_additiveExpression_precedence_multiplicative_right() {
-    BinaryExpression expression = ParserTestCase.parseExpression("+ *", [
+    BinaryExpression expression = parseExpression("+ *", [
       ParserErrorCode.MISSING_IDENTIFIER,
       ParserErrorCode.MISSING_IDENTIFIER,
       ParserErrorCode.MISSING_IDENTIFIER
     ]);
     EngineTestCase.assertInstanceOf((obj) => obj is BinaryExpression,
         BinaryExpression, expression.rightOperand);
   }
 
   void test_additiveExpression_super() {
-    BinaryExpression expression = ParserTestCase.parseExpression("super + +", [
+    BinaryExpression expression = parseExpression("super + +", [
       ParserErrorCode.MISSING_IDENTIFIER,
       ParserErrorCode.MISSING_IDENTIFIER
     ]);
     EngineTestCase.assertInstanceOf((obj) => obj is BinaryExpression,
         BinaryExpression, expression.leftOperand);
   }
 
   void test_assignmentExpression_missing_compound1() {
-    AssignmentExpression expression = ParserTestCase.parseExpression(
-        "= y = 0", [ParserErrorCode.MISSING_IDENTIFIER]);
+    AssignmentExpression expression =
+        parseExpression("= y = 0", [ParserErrorCode.MISSING_IDENTIFIER]);
     Expression syntheticExpression = expression.leftHandSide;
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, syntheticExpression);
     expect(syntheticExpression.isSynthetic, isTrue);
   }
 
   void test_assignmentExpression_missing_compound2() {
-    AssignmentExpression expression = ParserTestCase.parseExpression(
-        "x = = 0", [ParserErrorCode.MISSING_IDENTIFIER]);
+    AssignmentExpression expression =
+        parseExpression("x = = 0", [ParserErrorCode.MISSING_IDENTIFIER]);
     Expression syntheticExpression =
         (expression.rightHandSide as AssignmentExpression).leftHandSide;
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, syntheticExpression);
     expect(syntheticExpression.isSynthetic, isTrue);
   }
 
   void test_assignmentExpression_missing_compound3() {
-    AssignmentExpression expression = ParserTestCase.parseExpression(
-        "x = y =", [ParserErrorCode.MISSING_IDENTIFIER]);
+    AssignmentExpression expression =
+        parseExpression("x = y =", [ParserErrorCode.MISSING_IDENTIFIER]);
     Expression syntheticExpression =
         (expression.rightHandSide as AssignmentExpression).rightHandSide;
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, syntheticExpression);
     expect(syntheticExpression.isSynthetic, isTrue);
   }
 
   void test_assignmentExpression_missing_LHS() {
-    AssignmentExpression expression = ParserTestCase.parseExpression(
-        "= 0", [ParserErrorCode.MISSING_IDENTIFIER]);
+    AssignmentExpression expression =
+        parseExpression("= 0", [ParserErrorCode.MISSING_IDENTIFIER]);
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, expression.leftHandSide);
     expect(expression.leftHandSide.isSynthetic, isTrue);
   }
 
   void test_assignmentExpression_missing_RHS() {
-    AssignmentExpression expression = ParserTestCase.parseExpression(
-        "x =", [ParserErrorCode.MISSING_IDENTIFIER]);
+    AssignmentExpression expression =
+        parseExpression("x =", [ParserErrorCode.MISSING_IDENTIFIER]);
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, expression.leftHandSide);
     expect(expression.rightHandSide.isSynthetic, isTrue);
   }
 
   void test_bitwiseAndExpression_missing_LHS() {
-    BinaryExpression expression = ParserTestCase.parseExpression(
-        "& y", [ParserErrorCode.MISSING_IDENTIFIER]);
+    BinaryExpression expression =
+        parseExpression("& y", [ParserErrorCode.MISSING_IDENTIFIER]);
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, expression.leftOperand);
     expect(expression.leftOperand.isSynthetic, isTrue);
   }
 
   void test_bitwiseAndExpression_missing_LHS_RHS() {
-    BinaryExpression expression = ParserTestCase.parseExpression("&", [
+    BinaryExpression expression = parseExpression("&", [
       ParserErrorCode.MISSING_IDENTIFIER,
       ParserErrorCode.MISSING_IDENTIFIER
     ]);
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, expression.leftOperand);
     expect(expression.leftOperand.isSynthetic, isTrue);
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, expression.rightOperand);
     expect(expression.rightOperand.isSynthetic, isTrue);
   }
 
   void test_bitwiseAndExpression_missing_RHS() {
-    BinaryExpression expression = ParserTestCase.parseExpression(
-        "x &", [ParserErrorCode.MISSING_IDENTIFIER]);
+    BinaryExpression expression =
+        parseExpression("x &", [ParserErrorCode.MISSING_IDENTIFIER]);
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, expression.rightOperand);
     expect(expression.rightOperand.isSynthetic, isTrue);
   }
 
   void test_bitwiseAndExpression_missing_RHS_super() {
-    BinaryExpression expression = ParserTestCase.parseExpression(
-        "super &", [ParserErrorCode.MISSING_IDENTIFIER]);
+    BinaryExpression expression =
+        parseExpression("super &", [ParserErrorCode.MISSING_IDENTIFIER]);
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, expression.rightOperand);
     expect(expression.rightOperand.isSynthetic, isTrue);
   }
 
   void test_bitwiseAndExpression_precedence_equality_left() {
-    BinaryExpression expression = ParserTestCase.parseExpression("== &&", [
+    BinaryExpression expression = parseExpression("== &&", [
       ParserErrorCode.MISSING_IDENTIFIER,
       ParserErrorCode.MISSING_IDENTIFIER,
       ParserErrorCode.MISSING_IDENTIFIER
     ]);
     EngineTestCase.assertInstanceOf((obj) => obj is BinaryExpression,
         BinaryExpression, expression.leftOperand);
   }
 
   void test_bitwiseAndExpression_precedence_equality_right() {
-    BinaryExpression expression = ParserTestCase.parseExpression("&& ==", [
+    BinaryExpression expression = parseExpression("&& ==", [
       ParserErrorCode.MISSING_IDENTIFIER,
       ParserErrorCode.MISSING_IDENTIFIER,
       ParserErrorCode.MISSING_IDENTIFIER
     ]);
     EngineTestCase.assertInstanceOf((obj) => obj is BinaryExpression,
         BinaryExpression, expression.rightOperand);
   }
 
   void test_bitwiseAndExpression_super() {
-    BinaryExpression expression = ParserTestCase.parseExpression("super &  &", [
+    BinaryExpression expression = parseExpression("super &  &", [
       ParserErrorCode.MISSING_IDENTIFIER,
       ParserErrorCode.MISSING_IDENTIFIER
     ]);
     EngineTestCase.assertInstanceOf((obj) => obj is BinaryExpression,
         BinaryExpression, expression.leftOperand);
   }
 
   void test_bitwiseOrExpression_missing_LHS() {
-    BinaryExpression expression = ParserTestCase.parseExpression(
-        "| y", [ParserErrorCode.MISSING_IDENTIFIER]);
+    BinaryExpression expression =
+        parseExpression("| y", [ParserErrorCode.MISSING_IDENTIFIER]);
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, expression.leftOperand);
     expect(expression.leftOperand.isSynthetic, isTrue);
   }
 
   void test_bitwiseOrExpression_missing_LHS_RHS() {
-    BinaryExpression expression = ParserTestCase.parseExpression("|", [
+    BinaryExpression expression = parseExpression("|", [
       ParserErrorCode.MISSING_IDENTIFIER,
       ParserErrorCode.MISSING_IDENTIFIER
     ]);
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, expression.leftOperand);
     expect(expression.leftOperand.isSynthetic, isTrue);
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, expression.rightOperand);
     expect(expression.rightOperand.isSynthetic, isTrue);
   }
 
   void test_bitwiseOrExpression_missing_RHS() {
-    BinaryExpression expression = ParserTestCase.parseExpression(
-        "x |", [ParserErrorCode.MISSING_IDENTIFIER]);
+    BinaryExpression expression =
+        parseExpression("x |", [ParserErrorCode.MISSING_IDENTIFIER]);
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, expression.rightOperand);
     expect(expression.rightOperand.isSynthetic, isTrue);
   }
 
   void test_bitwiseOrExpression_missing_RHS_super() {
-    BinaryExpression expression = ParserTestCase.parseExpression(
-        "super |", [ParserErrorCode.MISSING_IDENTIFIER]);
+    BinaryExpression expression =
+        parseExpression("super |", [ParserErrorCode.MISSING_IDENTIFIER]);
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, expression.rightOperand);
     expect(expression.rightOperand.isSynthetic, isTrue);
   }
 
   void test_bitwiseOrExpression_precedence_xor_left() {
-    BinaryExpression expression = ParserTestCase.parseExpression("^ |", [
+    BinaryExpression expression = parseExpression("^ |", [
       ParserErrorCode.MISSING_IDENTIFIER,
       ParserErrorCode.MISSING_IDENTIFIER,
       ParserErrorCode.MISSING_IDENTIFIER
     ]);
     EngineTestCase.assertInstanceOf((obj) => obj is BinaryExpression,
         BinaryExpression, expression.leftOperand);
   }
 
   void test_bitwiseOrExpression_precedence_xor_right() {
-    BinaryExpression expression = ParserTestCase.parseExpression("| ^", [
+    BinaryExpression expression = parseExpression("| ^", [
       ParserErrorCode.MISSING_IDENTIFIER,
       ParserErrorCode.MISSING_IDENTIFIER,
       ParserErrorCode.MISSING_IDENTIFIER
     ]);
     EngineTestCase.assertInstanceOf((obj) => obj is BinaryExpression,
         BinaryExpression, expression.rightOperand);
   }
 
   void test_bitwiseOrExpression_super() {
-    BinaryExpression expression = ParserTestCase.parseExpression("super |  |", [
+    BinaryExpression expression = parseExpression("super |  |", [
       ParserErrorCode.MISSING_IDENTIFIER,
       ParserErrorCode.MISSING_IDENTIFIER
     ]);
     EngineTestCase.assertInstanceOf((obj) => obj is BinaryExpression,
         BinaryExpression, expression.leftOperand);
   }
 
   void test_bitwiseXorExpression_missing_LHS() {
-    BinaryExpression expression = ParserTestCase.parseExpression(
-        "^ y", [ParserErrorCode.MISSING_IDENTIFIER]);
+    BinaryExpression expression =
+        parseExpression("^ y", [ParserErrorCode.MISSING_IDENTIFIER]);
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, expression.leftOperand);
     expect(expression.leftOperand.isSynthetic, isTrue);
   }
 
   void test_bitwiseXorExpression_missing_LHS_RHS() {
-    BinaryExpression expression = ParserTestCase.parseExpression("^", [
+    BinaryExpression expression = parseExpression("^", [
       ParserErrorCode.MISSING_IDENTIFIER,
       ParserErrorCode.MISSING_IDENTIFIER
     ]);
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, expression.leftOperand);
     expect(expression.leftOperand.isSynthetic, isTrue);
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, expression.rightOperand);
     expect(expression.rightOperand.isSynthetic, isTrue);
   }
 
   void test_bitwiseXorExpression_missing_RHS() {
-    BinaryExpression expression = ParserTestCase.parseExpression(
-        "x ^", [ParserErrorCode.MISSING_IDENTIFIER]);
+    BinaryExpression expression =
+        parseExpression("x ^", [ParserErrorCode.MISSING_IDENTIFIER]);
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, expression.rightOperand);
     expect(expression.rightOperand.isSynthetic, isTrue);
   }
 
   void test_bitwiseXorExpression_missing_RHS_super() {
-    BinaryExpression expression = ParserTestCase.parseExpression(
-        "super ^", [ParserErrorCode.MISSING_IDENTIFIER]);
+    BinaryExpression expression =
+        parseExpression("super ^", [ParserErrorCode.MISSING_IDENTIFIER]);
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, expression.rightOperand);
     expect(expression.rightOperand.isSynthetic, isTrue);
   }
 
   void test_bitwiseXorExpression_precedence_and_left() {
-    BinaryExpression expression = ParserTestCase.parseExpression("& ^", [
+    BinaryExpression expression = parseExpression("& ^", [
       ParserErrorCode.MISSING_IDENTIFIER,
       ParserErrorCode.MISSING_IDENTIFIER,
       ParserErrorCode.MISSING_IDENTIFIER
     ]);
     EngineTestCase.assertInstanceOf((obj) => obj is BinaryExpression,
         BinaryExpression, expression.leftOperand);
   }
 
   void test_bitwiseXorExpression_precedence_and_right() {
-    BinaryExpression expression = ParserTestCase.parseExpression("^ &", [
+    BinaryExpression expression = parseExpression("^ &", [
       ParserErrorCode.MISSING_IDENTIFIER,
       ParserErrorCode.MISSING_IDENTIFIER,
       ParserErrorCode.MISSING_IDENTIFIER
     ]);
     EngineTestCase.assertInstanceOf((obj) => obj is BinaryExpression,
         BinaryExpression, expression.rightOperand);
   }
 
   void test_bitwiseXorExpression_super() {
-    BinaryExpression expression = ParserTestCase.parseExpression("super ^  ^", [
+    BinaryExpression expression = parseExpression("super ^  ^", [
       ParserErrorCode.MISSING_IDENTIFIER,
       ParserErrorCode.MISSING_IDENTIFIER
     ]);
     EngineTestCase.assertInstanceOf((obj) => obj is BinaryExpression,
         BinaryExpression, expression.leftOperand);
   }
 
   void test_classTypeAlias_withBody() {
     ParserTestCase.parseCompilationUnit(r'''
 class A {}
 class B = Object with A {}''', [ParserErrorCode.EXPECTED_TOKEN]);
   }
 
   void test_conditionalExpression_missingElse() {
-    ConditionalExpression expression = ParserTestCase.parse4(
-        "parseConditionalExpression", "x ? y :", [
-      ParserErrorCode.MISSING_IDENTIFIER
-    ]);
+    ConditionalExpression expression = parse4("parseConditionalExpression",
+        "x ? y :", [ParserErrorCode.MISSING_IDENTIFIER]);
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, expression.elseExpression);
     expect(expression.elseExpression.isSynthetic, isTrue);
   }
 
   void test_conditionalExpression_missingThen() {
-    ConditionalExpression expression = ParserTestCase.parse4(
-        "parseConditionalExpression", "x ? : z", [
-      ParserErrorCode.MISSING_IDENTIFIER
-    ]);
+    ConditionalExpression expression = parse4("parseConditionalExpression",
+        "x ? : z", [ParserErrorCode.MISSING_IDENTIFIER]);
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, expression.thenExpression);
     expect(expression.thenExpression.isSynthetic, isTrue);
   }
 
   void test_equalityExpression_missing_LHS() {
-    BinaryExpression expression = ParserTestCase.parseExpression(
-        "== y", [ParserErrorCode.MISSING_IDENTIFIER]);
+    BinaryExpression expression =
+        parseExpression("== y", [ParserErrorCode.MISSING_IDENTIFIER]);
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, expression.leftOperand);
     expect(expression.leftOperand.isSynthetic, isTrue);
   }
 
   void test_equalityExpression_missing_LHS_RHS() {
-    BinaryExpression expression = ParserTestCase.parseExpression("==", [
+    BinaryExpression expression = parseExpression("==", [
       ParserErrorCode.MISSING_IDENTIFIER,
       ParserErrorCode.MISSING_IDENTIFIER
     ]);
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, expression.leftOperand);
     expect(expression.leftOperand.isSynthetic, isTrue);
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, expression.rightOperand);
     expect(expression.rightOperand.isSynthetic, isTrue);
   }
 
   void test_equalityExpression_missing_RHS() {
-    BinaryExpression expression = ParserTestCase.parseExpression(
-        "x ==", [ParserErrorCode.MISSING_IDENTIFIER]);
+    BinaryExpression expression =
+        parseExpression("x ==", [ParserErrorCode.MISSING_IDENTIFIER]);
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, expression.rightOperand);
     expect(expression.rightOperand.isSynthetic, isTrue);
   }
 
   void test_equalityExpression_missing_RHS_super() {
-    BinaryExpression expression = ParserTestCase.parseExpression(
-        "super ==", [ParserErrorCode.MISSING_IDENTIFIER]);
+    BinaryExpression expression =
+        parseExpression("super ==", [ParserErrorCode.MISSING_IDENTIFIER]);
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, expression.rightOperand);
     expect(expression.rightOperand.isSynthetic, isTrue);
   }
 
   void test_equalityExpression_precedence_relational_left() {
-    BinaryExpression expression = ParserTestCase.parseExpression("is ==", [
+    BinaryExpression expression = parseExpression("is ==", [
       ParserErrorCode.EXPECTED_TYPE_NAME,
       ParserErrorCode.MISSING_IDENTIFIER,
       ParserErrorCode.MISSING_IDENTIFIER
     ]);
     EngineTestCase.assertInstanceOf(
         (obj) => obj is IsExpression, IsExpression, expression.leftOperand);
   }
 
   void test_equalityExpression_precedence_relational_right() {
-    BinaryExpression expression = ParserTestCase.parseExpression("== is", [
+    BinaryExpression expression = parseExpression("== is", [
       ParserErrorCode.EXPECTED_TYPE_NAME,
       ParserErrorCode.MISSING_IDENTIFIER,
       ParserErrorCode.MISSING_IDENTIFIER
     ]);
     EngineTestCase.assertInstanceOf(
         (obj) => obj is IsExpression, IsExpression, expression.rightOperand);
   }
 
   void test_equalityExpression_super() {
-    BinaryExpression expression = ParserTestCase.parseExpression("super ==  ==",
-        [
+    BinaryExpression expression = parseExpression("super ==  ==", [
       ParserErrorCode.MISSING_IDENTIFIER,
       ParserErrorCode.MISSING_IDENTIFIER,
       ParserErrorCode.EQUALITY_CANNOT_BE_EQUALITY_OPERAND
     ]);
     EngineTestCase.assertInstanceOf((obj) => obj is BinaryExpression,
         BinaryExpression, expression.leftOperand);
   }
 
   void test_expressionList_multiple_end() {
-    List<Expression> result = ParserTestCase.parse4("parseExpressionList",
-        ", 2, 3, 4", [ParserErrorCode.MISSING_IDENTIFIER]);
+    List<Expression> result = parse4("parseExpressionList", ", 2, 3, 4",
+        [ParserErrorCode.MISSING_IDENTIFIER]);
     expect(result, hasLength(4));
     Expression syntheticExpression = result[0];
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, syntheticExpression);
     expect(syntheticExpression.isSynthetic, isTrue);
   }
 
   void test_expressionList_multiple_middle() {
-    List<Expression> result = ParserTestCase.parse4("parseExpressionList",
-        "1, 2, , 4", [ParserErrorCode.MISSING_IDENTIFIER]);
+    List<Expression> result = parse4("parseExpressionList", "1, 2, , 4",
+        [ParserErrorCode.MISSING_IDENTIFIER]);
     expect(result, hasLength(4));
     Expression syntheticExpression = result[2];
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, syntheticExpression);
     expect(syntheticExpression.isSynthetic, isTrue);
   }
 
   void test_expressionList_multiple_start() {
-    List<Expression> result = ParserTestCase.parse4("parseExpressionList",
-        "1, 2, 3,", [ParserErrorCode.MISSING_IDENTIFIER]);
+    List<Expression> result = parse4("parseExpressionList", "1, 2, 3,",
+        [ParserErrorCode.MISSING_IDENTIFIER]);
     expect(result, hasLength(4));
     Expression syntheticExpression = result[3];
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, syntheticExpression);
     expect(syntheticExpression.isSynthetic, isTrue);
   }
 
   void test_functionExpression_in_ConstructorFieldInitializer() {
     CompilationUnit unit = ParserTestCase.parseCompilationUnit(
         "class A { A() : a = (){}; var v; }", [
       ParserErrorCode.MISSING_IDENTIFIER,
       ParserErrorCode.UNEXPECTED_TOKEN
     ]);
     // Make sure we recovered and parsed "var v" correctly
     ClassDeclaration declaration = unit.declarations[0] as ClassDeclaration;
     NodeList<ClassMember> members = declaration.members;
     ClassMember fieldDecl = members[1];
     EngineTestCase.assertInstanceOf(
         (obj) => obj is FieldDeclaration, FieldDeclaration, fieldDecl);
     NodeList<VariableDeclaration> vars =
         (fieldDecl as FieldDeclaration).fields.variables;
     expect(vars, hasLength(1));
     expect(vars[0].name.name, "v");
   }
 
   void test_functionExpression_named() {
-    ParserTestCase.parseExpression(
-        "m(f() => 0);", [ParserErrorCode.EXPECTED_TOKEN]);
+    parseExpression("m(f() => 0);", [ParserErrorCode.EXPECTED_TOKEN]);
   }
 
   void test_incomplete_conditionalExpression() {
-    ParserTestCase.parseExpression("x ? 0", [
+    parseExpression("x ? 0", [
       ParserErrorCode.EXPECTED_TOKEN,
       ParserErrorCode.MISSING_IDENTIFIER
     ]);
   }
 
   void test_incomplete_constructorInitializers_empty() {
-    ParserTestCase.parse3("parseClassMember", ["C"], "C() : {}", [
-      ParserErrorCode.MISSING_INITIALIZER
-    ]);
+    parse3("parseClassMember", ["C"], "C() : {}",
+        [ParserErrorCode.MISSING_INITIALIZER]);
   }
 
   void test_incomplete_constructorInitializers_missingEquals() {
-    ClassMember member = ParserTestCase.parse3("parseClassMember", [
-      "C"
-    ], "C() : x(3) {}", [ParserErrorCode.MISSING_ASSIGNMENT_IN_INITIALIZER]);
+    ClassMember member = parse3("parseClassMember", ["C"], "C() : x(3) {}",
+        [ParserErrorCode.MISSING_ASSIGNMENT_IN_INITIALIZER]);
     expect(member, new isInstanceOf<ConstructorDeclaration>());
     NodeList<ConstructorInitializer> initializers =
         (member as ConstructorDeclaration).initializers;
     expect(initializers, hasLength(1));
     ConstructorInitializer initializer = initializers[0];
     expect(initializer, new isInstanceOf<ConstructorFieldInitializer>());
     Expression expression =
         (initializer as ConstructorFieldInitializer).expression;
     expect(expression, isNotNull);
     expect(expression, new isInstanceOf<ParenthesizedExpression>());
   }
 
   void test_incomplete_constructorInitializers_variable() {
-    ParserTestCase.parse3("parseClassMember", ["C"], "C() : x {}", [
-      ParserErrorCode.MISSING_ASSIGNMENT_IN_INITIALIZER
-    ]);
+    parse3("parseClassMember", ["C"], "C() : x {}",
+        [ParserErrorCode.MISSING_ASSIGNMENT_IN_INITIALIZER]);
   }
 
   void test_incomplete_topLevelFunction() {
     ParserTestCase.parseCompilationUnit(
         "foo();", [ParserErrorCode.MISSING_FUNCTION_BODY]);
   }
 
   void test_incomplete_topLevelVariable() {
     CompilationUnit unit = ParserTestCase.parseCompilationUnit(
         "String", [ParserErrorCode.EXPECTED_EXECUTABLE]);
@@ skipping 161 matching lines @@
 
   void test_keywordInPlaceOfIdentifier() {
     // TODO(brianwilkerson) We could do better with this.
     ParserTestCase.parseCompilationUnit("do() {}", [
       ParserErrorCode.EXPECTED_EXECUTABLE,
       ParserErrorCode.UNEXPECTED_TOKEN
     ]);
   }
 
   void test_logicalAndExpression_missing_LHS() {
-    BinaryExpression expression = ParserTestCase.parseExpression(
-        "&& y", [ParserErrorCode.MISSING_IDENTIFIER]);
+    BinaryExpression expression =
+        parseExpression("&& y", [ParserErrorCode.MISSING_IDENTIFIER]);
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, expression.leftOperand);
     expect(expression.leftOperand.isSynthetic, isTrue);
   }
 
   void test_logicalAndExpression_missing_LHS_RHS() {
-    BinaryExpression expression = ParserTestCase.parseExpression("&&", [
+    BinaryExpression expression = parseExpression("&&", [
       ParserErrorCode.MISSING_IDENTIFIER,
       ParserErrorCode.MISSING_IDENTIFIER
     ]);
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, expression.leftOperand);
     expect(expression.leftOperand.isSynthetic, isTrue);
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, expression.rightOperand);
     expect(expression.rightOperand.isSynthetic, isTrue);
   }
 
   void test_logicalAndExpression_missing_RHS() {
-    BinaryExpression expression = ParserTestCase.parseExpression(
-        "x &&", [ParserErrorCode.MISSING_IDENTIFIER]);
+    BinaryExpression expression =
+        parseExpression("x &&", [ParserErrorCode.MISSING_IDENTIFIER]);
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, expression.rightOperand);
     expect(expression.rightOperand.isSynthetic, isTrue);
   }
 
   void test_logicalAndExpression_precedence_bitwiseOr_left() {
-    BinaryExpression expression = ParserTestCase.parseExpression("| &&", [
+    BinaryExpression expression = parseExpression("| &&", [
       ParserErrorCode.MISSING_IDENTIFIER,
       ParserErrorCode.MISSING_IDENTIFIER,
       ParserErrorCode.MISSING_IDENTIFIER
     ]);
     EngineTestCase.assertInstanceOf((obj) => obj is BinaryExpression,
         BinaryExpression, expression.leftOperand);
   }
 
   void test_logicalAndExpression_precedence_bitwiseOr_right() {
-    BinaryExpression expression = ParserTestCase.parseExpression("&& |", [
+    BinaryExpression expression = parseExpression("&& |", [
       ParserErrorCode.MISSING_IDENTIFIER,
       ParserErrorCode.MISSING_IDENTIFIER,
       ParserErrorCode.MISSING_IDENTIFIER
     ]);
     EngineTestCase.assertInstanceOf((obj) => obj is BinaryExpression,
         BinaryExpression, expression.rightOperand);
   }
 
   void test_logicalOrExpression_missing_LHS() {
-    BinaryExpression expression = ParserTestCase.parseExpression(
-        "|| y", [ParserErrorCode.MISSING_IDENTIFIER]);
+    BinaryExpression expression =
+        parseExpression("|| y", [ParserErrorCode.MISSING_IDENTIFIER]);
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, expression.leftOperand);
     expect(expression.leftOperand.isSynthetic, isTrue);
   }
 
   void test_logicalOrExpression_missing_LHS_RHS() {
-    BinaryExpression expression = ParserTestCase.parseExpression("||", [
+    BinaryExpression expression = parseExpression("||", [
       ParserErrorCode.MISSING_IDENTIFIER,
       ParserErrorCode.MISSING_IDENTIFIER
     ]);
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, expression.leftOperand);
     expect(expression.leftOperand.isSynthetic, isTrue);
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, expression.rightOperand);
     expect(expression.rightOperand.isSynthetic, isTrue);
   }
 
   void test_logicalOrExpression_missing_RHS() {
-    BinaryExpression expression = ParserTestCase.parseExpression(
-        "x ||", [ParserErrorCode.MISSING_IDENTIFIER]);
+    BinaryExpression expression =
+        parseExpression("x ||", [ParserErrorCode.MISSING_IDENTIFIER]);
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, expression.rightOperand);
     expect(expression.rightOperand.isSynthetic, isTrue);
   }
 
   void test_logicalOrExpression_precedence_logicalAnd_left() {
-    BinaryExpression expression = ParserTestCase.parseExpression("&& ||", [
+    BinaryExpression expression = parseExpression("&& ||", [
       ParserErrorCode.MISSING_IDENTIFIER,
       ParserErrorCode.MISSING_IDENTIFIER,
       ParserErrorCode.MISSING_IDENTIFIER
     ]);
     EngineTestCase.assertInstanceOf((obj) => obj is BinaryExpression,
         BinaryExpression, expression.leftOperand);
   }
 
   void test_logicalOrExpression_precedence_logicalAnd_right() {
-    BinaryExpression expression = ParserTestCase.parseExpression("|| &&", [
+    BinaryExpression expression = parseExpression("|| &&", [
       ParserErrorCode.MISSING_IDENTIFIER,
       ParserErrorCode.MISSING_IDENTIFIER,
       ParserErrorCode.MISSING_IDENTIFIER
     ]);
     EngineTestCase.assertInstanceOf((obj) => obj is BinaryExpression,
         BinaryExpression, expression.rightOperand);
   }
 
   void test_missing_commaInArgumentList() {
-    ParserTestCase.parseExpression(
-        "f(x: 1 y: 2)", [ParserErrorCode.EXPECTED_TOKEN]);
+    parseExpression("f(x: 1 y: 2)", [ParserErrorCode.EXPECTED_TOKEN]);
   }
 
   void test_missingGet() {
     CompilationUnit unit = ParserTestCase.parseCompilationUnit(r'''
 class C {
   int length {}
   void foo() {}
 }''', [ParserErrorCode.MISSING_GET]);
     expect(unit, isNotNull);
     ClassDeclaration classDeclaration =
         unit.declarations[0] as ClassDeclaration;
     NodeList<ClassMember> members = classDeclaration.members;
     expect(members, hasLength(2));
     EngineTestCase.assertInstanceOf(
         (obj) => obj is MethodDeclaration, MethodDeclaration, members[0]);
     ClassMember member = members[1];
     EngineTestCase.assertInstanceOf(
         (obj) => obj is MethodDeclaration, MethodDeclaration, member);
     expect((member as MethodDeclaration).name.name, "foo");
   }
 
   void test_missingIdentifier_afterAnnotation() {
-    MethodDeclaration method = ParserTestCase.parse3("parseClassMember",
-        <Object>["C"], "@override }", [ParserErrorCode.EXPECTED_CLASS_MEMBER]);
+    MethodDeclaration method = parse3("parseClassMember", <Object>["C"],
+        "@override }", [ParserErrorCode.EXPECTED_CLASS_MEMBER]);
     expect(method.documentationComment, isNull);
     NodeList<Annotation> metadata = method.metadata;
     expect(metadata, hasLength(1));
     expect(metadata[0].name.name, "override");
   }
 
   void test_multiplicativeExpression_missing_LHS() {
-    BinaryExpression expression = ParserTestCase.parseExpression(
-        "* y", [ParserErrorCode.MISSING_IDENTIFIER]);
+    BinaryExpression expression =
+        parseExpression("* y", [ParserErrorCode.MISSING_IDENTIFIER]);
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, expression.leftOperand);
     expect(expression.leftOperand.isSynthetic, isTrue);
   }
 
   void test_multiplicativeExpression_missing_LHS_RHS() {
-    BinaryExpression expression = ParserTestCase.parseExpression("*", [
+    BinaryExpression expression = parseExpression("*", [
       ParserErrorCode.MISSING_IDENTIFIER,
       ParserErrorCode.MISSING_IDENTIFIER
     ]);
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, expression.leftOperand);
     expect(expression.leftOperand.isSynthetic, isTrue);
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, expression.rightOperand);
     expect(expression.rightOperand.isSynthetic, isTrue);
   }
 
   void test_multiplicativeExpression_missing_RHS() {
-    BinaryExpression expression = ParserTestCase.parseExpression(
-        "x *", [ParserErrorCode.MISSING_IDENTIFIER]);
+    BinaryExpression expression =
+        parseExpression("x *", [ParserErrorCode.MISSING_IDENTIFIER]);
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, expression.rightOperand);
     expect(expression.rightOperand.isSynthetic, isTrue);
   }
 
   void test_multiplicativeExpression_missing_RHS_super() {
-    BinaryExpression expression = ParserTestCase.parseExpression(
-        "super *", [ParserErrorCode.MISSING_IDENTIFIER]);
+    BinaryExpression expression =
+        parseExpression("super *", [ParserErrorCode.MISSING_IDENTIFIER]);
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, expression.rightOperand);
     expect(expression.rightOperand.isSynthetic, isTrue);
   }
 
   void test_multiplicativeExpression_precedence_unary_left() {
-    BinaryExpression expression = ParserTestCase.parseExpression(
-        "-x *", [ParserErrorCode.MISSING_IDENTIFIER]);
+    BinaryExpression expression =
+        parseExpression("-x *", [ParserErrorCode.MISSING_IDENTIFIER]);
     EngineTestCase.assertInstanceOf((obj) => obj is PrefixExpression,
         PrefixExpression, expression.leftOperand);
   }
 
   void test_multiplicativeExpression_precedence_unary_right() {
-    BinaryExpression expression = ParserTestCase.parseExpression(
-        "* -y", [ParserErrorCode.MISSING_IDENTIFIER]);
+    BinaryExpression expression =
+        parseExpression("* -y", [ParserErrorCode.MISSING_IDENTIFIER]);
     EngineTestCase.assertInstanceOf((obj) => obj is PrefixExpression,
         PrefixExpression, expression.rightOperand);
   }
 
   void test_multiplicativeExpression_super() {
-    BinaryExpression expression = ParserTestCase.parseExpression("super ==  ==",
-        [
+    BinaryExpression expression = parseExpression("super ==  ==", [
       ParserErrorCode.MISSING_IDENTIFIER,
       ParserErrorCode.MISSING_IDENTIFIER,
       ParserErrorCode.EQUALITY_CANNOT_BE_EQUALITY_OPERAND
     ]);
     EngineTestCase.assertInstanceOf((obj) => obj is BinaryExpression,
         BinaryExpression, expression.leftOperand);
   }
 
   void test_nonStringLiteralUri_import() {
-    ParserTestCase.parseCompilationUnit("import dart:io; class C {}", [
-      ParserErrorCode.NON_STRING_LITERAL_AS_URI
-    ]);
+    ParserTestCase.parseCompilationUnit("import dart:io; class C {}",
+        [ParserErrorCode.NON_STRING_LITERAL_AS_URI]);
   }
 
   void test_prefixExpression_missing_operand_minus() {
-    PrefixExpression expression = ParserTestCase.parseExpression(
-        "-", [ParserErrorCode.MISSING_IDENTIFIER]);
+    PrefixExpression expression =
+        parseExpression("-", [ParserErrorCode.MISSING_IDENTIFIER]);
     EngineTestCase.assertInstanceOf(
         (obj) => obj is SimpleIdentifier, SimpleIdentifier, expression.operand);
     expect(expression.operand.isSynthetic, isTrue);
     expect(expression.operator.type, TokenType.MINUS);
   }
 
   void test_primaryExpression_argumentDefinitionTest() {
-    Expression expression = ParserTestCase.parse4(
+    Expression expression = parse4(
         "parsePrimaryExpression", "?a", [ParserErrorCode.UNEXPECTED_TOKEN]);
     EngineTestCase.assertInstanceOf(
         (obj) => obj is SimpleIdentifier, SimpleIdentifier, expression);
   }
 
   void test_relationalExpression_missing_LHS() {
-    IsExpression expression = ParserTestCase.parseExpression(
-        "is y", [ParserErrorCode.MISSING_IDENTIFIER]);
+    IsExpression expression =
+        parseExpression("is y", [ParserErrorCode.MISSING_IDENTIFIER]);
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, expression.expression);
     expect(expression.expression.isSynthetic, isTrue);
   }
 
   void test_relationalExpression_missing_LHS_RHS() {
-    IsExpression expression = ParserTestCase.parseExpression("is", [
+    IsExpression expression = parseExpression("is", [
       ParserErrorCode.EXPECTED_TYPE_NAME,
       ParserErrorCode.MISSING_IDENTIFIER
     ]);
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, expression.expression);
     expect(expression.expression.isSynthetic, isTrue);
     EngineTestCase.assertInstanceOf(
         (obj) => obj is TypeName, TypeName, expression.type);
     expect(expression.type.isSynthetic, isTrue);
   }
 
   void test_relationalExpression_missing_RHS() {
-    IsExpression expression = ParserTestCase.parseExpression(
-        "x is", [ParserErrorCode.EXPECTED_TYPE_NAME]);
+    IsExpression expression =
+        parseExpression("x is", [ParserErrorCode.EXPECTED_TYPE_NAME]);
     EngineTestCase.assertInstanceOf(
         (obj) => obj is TypeName, TypeName, expression.type);
     expect(expression.type.isSynthetic, isTrue);
   }
 
   void test_relationalExpression_precedence_shift_right() {
-    IsExpression expression = ParserTestCase.parseExpression("<< is", [
+    IsExpression expression = parseExpression("<< is", [
       ParserErrorCode.EXPECTED_TYPE_NAME,
       ParserErrorCode.MISSING_IDENTIFIER,
       ParserErrorCode.MISSING_IDENTIFIER
     ]);
     EngineTestCase.assertInstanceOf((obj) => obj is BinaryExpression,
         BinaryExpression, expression.expression);
   }
 
   void test_shiftExpression_missing_LHS() {
-    BinaryExpression expression = ParserTestCase.parseExpression(
-        "<< y", [ParserErrorCode.MISSING_IDENTIFIER]);
+    BinaryExpression expression =
+        parseExpression("<< y", [ParserErrorCode.MISSING_IDENTIFIER]);
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, expression.leftOperand);
     expect(expression.leftOperand.isSynthetic, isTrue);
   }
 
   void test_shiftExpression_missing_LHS_RHS() {
-    BinaryExpression expression = ParserTestCase.parseExpression("<<", [
+    BinaryExpression expression = parseExpression("<<", [
       ParserErrorCode.MISSING_IDENTIFIER,
       ParserErrorCode.MISSING_IDENTIFIER
     ]);
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, expression.leftOperand);
     expect(expression.leftOperand.isSynthetic, isTrue);
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, expression.rightOperand);
     expect(expression.rightOperand.isSynthetic, isTrue);
   }
 
   void test_shiftExpression_missing_RHS() {
-    BinaryExpression expression = ParserTestCase.parseExpression(
-        "x <<", [ParserErrorCode.MISSING_IDENTIFIER]);
+    BinaryExpression expression =
+        parseExpression("x <<", [ParserErrorCode.MISSING_IDENTIFIER]);
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, expression.rightOperand);
     expect(expression.rightOperand.isSynthetic, isTrue);
   }
 
   void test_shiftExpression_missing_RHS_super() {
-    BinaryExpression expression = ParserTestCase.parseExpression(
-        "super <<", [ParserErrorCode.MISSING_IDENTIFIER]);
+    BinaryExpression expression =
+        parseExpression("super <<", [ParserErrorCode.MISSING_IDENTIFIER]);
     EngineTestCase.assertInstanceOf((obj) => obj is SimpleIdentifier,
         SimpleIdentifier, expression.rightOperand);
     expect(expression.rightOperand.isSynthetic, isTrue);
   }
 
   void test_shiftExpression_precedence_unary_left() {
-    BinaryExpression expression = ParserTestCase.parseExpression("+ <<", [
+    BinaryExpression expression = parseExpression("+ <<", [
       ParserErrorCode.MISSING_IDENTIFIER,
       ParserErrorCode.MISSING_IDENTIFIER,
       ParserErrorCode.MISSING_IDENTIFIER
     ]);
     EngineTestCase.assertInstanceOf((obj) => obj is BinaryExpression,
         BinaryExpression, expression.leftOperand);
   }
 
   void test_shiftExpression_precedence_unary_right() {
-    BinaryExpression expression = ParserTestCase.parseExpression("<< +", [
+    BinaryExpression expression = parseExpression("<< +", [
       ParserErrorCode.MISSING_IDENTIFIER,
       ParserErrorCode.MISSING_IDENTIFIER,
       ParserErrorCode.MISSING_IDENTIFIER
     ]);
     EngineTestCase.assertInstanceOf((obj) => obj is BinaryExpression,
         BinaryExpression, expression.rightOperand);
   }
 
   void test_shiftExpression_super() {
-    BinaryExpression expression = ParserTestCase.parseExpression("super << <<",
-        [
+    BinaryExpression expression = parseExpression("super << <<", [
       ParserErrorCode.MISSING_IDENTIFIER,
       ParserErrorCode.MISSING_IDENTIFIER
     ]);
     EngineTestCase.assertInstanceOf((obj) => obj is BinaryExpression,
         BinaryExpression, expression.leftOperand);
   }
 
   void test_typedef_eof() {
     CompilationUnit unit = ParserTestCase.parseCompilationUnit("typedef n", [
       ParserErrorCode.EXPECTED_TOKEN,
       ParserErrorCode.MISSING_TYPEDEF_PARAMETERS
     ]);
     NodeList<CompilationUnitMember> declarations = unit.declarations;
     expect(declarations, hasLength(1));
     CompilationUnitMember member = declarations[0];
     EngineTestCase.assertInstanceOf(
         (obj) => obj is FunctionTypeAlias, FunctionTypeAlias, member);
   }
 
   void test_unaryPlus() {
-    ParserTestCase.parseExpression("+2", [ParserErrorCode.MISSING_IDENTIFIER]);
+    parseExpression("+2", [ParserErrorCode.MISSING_IDENTIFIER]);
   }
 }
 
 @reflectiveTest
 class ResolutionCopierTest extends EngineTestCase {
   void test_visitAnnotation() {
     String annotationName = "proxy";
     Annotation fromNode =
         AstFactory.annotation(AstFactory.identifier3(annotationName));
     Element element = ElementFactory.topLevelVariableElement2(annotationName);
@@ skipping 616 matching lines @@
  * the interactions between the method under test and other methods.
  *
  * More complex tests should be defined in the class [ComplexParserTest].
  */
 @reflectiveTest
 class SimpleParserTest extends ParserTestCase {
   void fail_parseAwaitExpression_inSync() {
     // This test requires better error recovery than we currently have. In
     // particular, we need to be able to distinguish between an await expression
     // in the wrong context, and the use of 'await' as an identifier.
-    MethodDeclaration method = ParserTestCase.parse(
+    MethodDeclaration method = parse(
         "parseClassMember", <Object>["C"], "m() { return await x + await y; }");
     FunctionBody body = method.body;
     EngineTestCase.assertInstanceOf(
         (obj) => obj is BlockFunctionBody, BlockFunctionBody, body);
     Statement statement = (body as BlockFunctionBody).block.statements[0];
     EngineTestCase.assertInstanceOf(
         (obj) => obj is ReturnStatement, ReturnStatement, statement);
     Expression expression = (statement as ReturnStatement).expression;
     EngineTestCase.assertInstanceOf(
         (obj) => obj is BinaryExpression, BinaryExpression, expression);
     EngineTestCase.assertInstanceOf((obj) => obj is AwaitExpression,
         AwaitExpression, (expression as BinaryExpression).leftOperand);
     EngineTestCase.assertInstanceOf((obj) => obj is AwaitExpression,
         AwaitExpression, (expression as BinaryExpression).rightOperand);
   }
 
   void fail_parseCommentReference_this() {
     // This fails because we are returning null from the method and asserting
     // that the return value is not null.
     CommentReference reference =
-        ParserTestCase.parse("parseCommentReference", <Object>["this", 5], "");
+        parse("parseCommentReference", <Object>["this", 5], "");
     SimpleIdentifier identifier = EngineTestCase.assertInstanceOf(
         (obj) => obj is SimpleIdentifier, SimpleIdentifier,
         reference.identifier);
     expect(identifier.token, isNotNull);
     expect(identifier.name, "a");
     expect(identifier.offset, 5);
   }
 
   void test_computeStringValue_emptyInterpolationPrefix() {
     expect(_computeStringValue("'''", true, false), "");
@@ skipping 69 matching lines @@
 
   void test_computeStringValue_triple_internalQuote_last_empty() {
     expect(_computeStringValue("'''", false, true), "");
   }
 
   void test_computeStringValue_triple_internalQuote_last_nonEmpty() {
     expect(_computeStringValue("text'''", false, true), "text");
   }
 
   void test_constFactory() {
-    ParserTestCase.parse(
-        "parseClassMember", <Object>["C"], "const factory C() = A;");
+    parse("parseClassMember", <Object>["C"], "const factory C() = A;");
   }
 
   void test_createSyntheticIdentifier() {
     SimpleIdentifier identifier = _createSyntheticIdentifier();
     expect(identifier.isSynthetic, isTrue);
   }
 
   void test_createSyntheticStringLiteral() {
     SimpleStringLiteral literal = _createSyntheticStringLiteral();
     expect(literal.isSynthetic, isTrue);
@@ skipping 184 matching lines @@
 
   void test_isSwitchMember_default_unlabeled() {
     expect(_isSwitchMember("default"), isTrue);
   }
 
   void test_isSwitchMember_false() {
     expect(_isSwitchMember("break;"), isFalse);
   }
 
   void test_parseAdditiveExpression_normal() {
-    BinaryExpression expression =
-        ParserTestCase.parse4("parseAdditiveExpression", "x + y");
+    BinaryExpression expression = parse4("parseAdditiveExpression", "x + y");
     expect(expression.leftOperand, isNotNull);
     expect(expression.operator, isNotNull);
     expect(expression.operator.type, TokenType.PLUS);
     expect(expression.rightOperand, isNotNull);
   }
 
   void test_parseAdditiveExpression_super() {
     BinaryExpression expression =
-        ParserTestCase.parse4("parseAdditiveExpression", "super + y");
+        parse4("parseAdditiveExpression", "super + y");
     EngineTestCase.assertInstanceOf((obj) => obj is SuperExpression,
         SuperExpression, expression.leftOperand);
     expect(expression.operator, isNotNull);
     expect(expression.operator.type, TokenType.PLUS);
     expect(expression.rightOperand, isNotNull);
   }
 
   void test_parseAnnotation_n1() {
-    Annotation annotation = ParserTestCase.parse4("parseAnnotation", "@A");
+    Annotation annotation = parse4("parseAnnotation", "@A");
     expect(annotation.atSign, isNotNull);
     expect(annotation.name, isNotNull);
     expect(annotation.period, isNull);
     expect(annotation.constructorName, isNull);
     expect(annotation.arguments, isNull);
   }
 
   void test_parseAnnotation_n1_a() {
-    Annotation annotation = ParserTestCase.parse4("parseAnnotation", "@A(x,y)");
+    Annotation annotation = parse4("parseAnnotation", "@A(x,y)");
     expect(annotation.atSign, isNotNull);
     expect(annotation.name, isNotNull);
     expect(annotation.period, isNull);
     expect(annotation.constructorName, isNull);
     expect(annotation.arguments, isNotNull);
   }
 
   void test_parseAnnotation_n2() {
-    Annotation annotation = ParserTestCase.parse4("parseAnnotation", "@A.B");
+    Annotation annotation = parse4("parseAnnotation", "@A.B");
     expect(annotation.atSign, isNotNull);
     expect(annotation.name, isNotNull);
     expect(annotation.period, isNull);
     expect(annotation.constructorName, isNull);
     expect(annotation.arguments, isNull);
   }
 
   void test_parseAnnotation_n2_a() {
-    Annotation annotation =
-        ParserTestCase.parse4("parseAnnotation", "@A.B(x,y)");
+    Annotation annotation = parse4("parseAnnotation", "@A.B(x,y)");
     expect(annotation.atSign, isNotNull);
     expect(annotation.name, isNotNull);
     expect(annotation.period, isNull);
     expect(annotation.constructorName, isNull);
     expect(annotation.arguments, isNotNull);
   }
 
   void test_parseAnnotation_n3() {
-    Annotation annotation = ParserTestCase.parse4("parseAnnotation", "@A.B.C");
+    Annotation annotation = parse4("parseAnnotation", "@A.B.C");
     expect(annotation.atSign, isNotNull);
     expect(annotation.name, isNotNull);
     expect(annotation.period, isNotNull);
     expect(annotation.constructorName, isNotNull);
     expect(annotation.arguments, isNull);
   }
 
   void test_parseAnnotation_n3_a() {
-    Annotation annotation =
-        ParserTestCase.parse4("parseAnnotation", "@A.B.C(x,y)");
+    Annotation annotation = parse4("parseAnnotation", "@A.B.C(x,y)");
     expect(annotation.atSign, isNotNull);
     expect(annotation.name, isNotNull);
     expect(annotation.period, isNotNull);
     expect(annotation.constructorName, isNotNull);
     expect(annotation.arguments, isNotNull);
   }
 
   void test_parseArgument_named() {
-    NamedExpression expression = ParserTestCase.parse4("parseArgument", "n: x");
+    NamedExpression expression = parse4("parseArgument", "n: x");
     Label name = expression.name;
     expect(name, isNotNull);
     expect(name.label, isNotNull);
     expect(name.colon, isNotNull);
     expect(expression.expression, isNotNull);
   }
 
   void test_parseArgument_unnamed() {
     String lexeme = "x";
-    SimpleIdentifier identifier =
-        ParserTestCase.parse4("parseArgument", lexeme);
+    SimpleIdentifier identifier = parse4("parseArgument", lexeme);
     expect(identifier.name, lexeme);
   }
 
   void test_parseArgumentList_empty() {
-    ArgumentList argumentList =
-        ParserTestCase.parse4("parseArgumentList", "()");
+    ArgumentList argumentList = parse4("parseArgumentList", "()");
     NodeList<Expression> arguments = argumentList.arguments;
     expect(arguments, hasLength(0));
   }
 
   void test_parseArgumentList_mixed() {
     ArgumentList argumentList =
-        ParserTestCase.parse4("parseArgumentList", "(w, x, y: y, z: z)");
+        parse4("parseArgumentList", "(w, x, y: y, z: z)");
     NodeList<Expression> arguments = argumentList.arguments;
     expect(arguments, hasLength(4));
   }
 
   void test_parseArgumentList_noNamed() {
-    ArgumentList argumentList =
-        ParserTestCase.parse4("parseArgumentList", "(x, y, z)");
+    ArgumentList argumentList = parse4("parseArgumentList", "(x, y, z)");
     NodeList<Expression> arguments = argumentList.arguments;
     expect(arguments, hasLength(3));
   }
 
   void test_parseArgumentList_onlyNamed() {
-    ArgumentList argumentList =
-        ParserTestCase.parse4("parseArgumentList", "(x: x, y: y)");
+    ArgumentList argumentList = parse4("parseArgumentList", "(x: x, y: y)");
     NodeList<Expression> arguments = argumentList.arguments;
     expect(arguments, hasLength(2));
   }
 
   void test_parseAssertStatement() {
-    AssertStatement statement =
-        ParserTestCase.parse4("parseAssertStatement", "assert (x);");
+    AssertStatement statement = parse4("parseAssertStatement", "assert (x);");
     expect(statement.assertKeyword, isNotNull);
     expect(statement.leftParenthesis, isNotNull);
     expect(statement.condition, isNotNull);
     expect(statement.rightParenthesis, isNotNull);
     expect(statement.semicolon, isNotNull);
   }
 
   void test_parseAssignableExpression_expression_args_dot() {
-    PropertyAccess propertyAccess = ParserTestCase.parse(
-        "parseAssignableExpression", <Object>[false], "(x)(y).z");
+    PropertyAccess propertyAccess =
+        parse("parseAssignableExpression", <Object>[false], "(x)(y).z");
     FunctionExpressionInvocation invocation =
         propertyAccess.target as FunctionExpressionInvocation;
     expect(invocation.function, isNotNull);
     ArgumentList argumentList = invocation.argumentList;
     expect(argumentList, isNotNull);
     expect(argumentList.arguments, hasLength(1));
     expect(propertyAccess.operator, isNotNull);
     expect(propertyAccess.propertyName, isNotNull);
   }
 
   void test_parseAssignableExpression_expression_dot() {
-    PropertyAccess propertyAccess = ParserTestCase.parse(
-        "parseAssignableExpression", <Object>[false], "(x).y");
+    PropertyAccess propertyAccess =
+        parse("parseAssignableExpression", <Object>[false], "(x).y");
     expect(propertyAccess.target, isNotNull);
     expect(propertyAccess.operator, isNotNull);
     expect(propertyAccess.propertyName, isNotNull);
   }
 
   void test_parseAssignableExpression_expression_index() {
-    IndexExpression expression = ParserTestCase.parse(
-        "parseAssignableExpression", <Object>[false], "(x)[y]");
+    IndexExpression expression =
+        parse("parseAssignableExpression", <Object>[false], "(x)[y]");
     expect(expression.target, isNotNull);
     expect(expression.leftBracket, isNotNull);
     expect(expression.index, isNotNull);
     expect(expression.rightBracket, isNotNull);
   }
 
   void test_parseAssignableExpression_identifier() {
     SimpleIdentifier identifier =
-        ParserTestCase.parse("parseAssignableExpression", <Object>[false], "x");
+        parse("parseAssignableExpression", <Object>[false], "x");
     expect(identifier, isNotNull);
   }
 
   void test_parseAssignableExpression_identifier_args_dot() {
-    PropertyAccess propertyAccess = ParserTestCase.parse(
-        "parseAssignableExpression", <Object>[false], "x(y).z");
+    PropertyAccess propertyAccess =
+        parse("parseAssignableExpression", <Object>[false], "x(y).z");
     MethodInvocation invocation = propertyAccess.target as MethodInvocation;
     expect(invocation.methodName.name, "x");
     ArgumentList argumentList = invocation.argumentList;
     expect(argumentList, isNotNull);
     expect(argumentList.arguments, hasLength(1));
     expect(propertyAccess.operator, isNotNull);
     expect(propertyAccess.propertyName, isNotNull);
   }
 
   void test_parseAssignableExpression_identifier_dot() {
-    PropertyAccess propertyAccess = ParserTestCase.parse(
-        "parseAssignableExpression", <Object>[false], "x.y");
+    PropertyAccess propertyAccess =
+        parse("parseAssignableExpression", <Object>[false], "x.y");
     expect(propertyAccess.target, isNotNull);
     expect(propertyAccess.operator, isNotNull);
     expect(propertyAccess.propertyName, isNotNull);
   }
 
   void test_parseAssignableExpression_identifier_index() {
-    IndexExpression expression = ParserTestCase.parse(
-        "parseAssignableExpression", <Object>[false], "x[y]");
+    IndexExpression expression =
+        parse("parseAssignableExpression", <Object>[false], "x[y]");
     expect(expression.target, isNotNull);
     expect(expression.leftBracket, isNotNull);
     expect(expression.index, isNotNull);
     expect(expression.rightBracket, isNotNull);
   }
 
   void test_parseAssignableExpression_super_dot() {
-    PropertyAccess propertyAccess = ParserTestCase.parse(
-        "parseAssignableExpression", <Object>[false], "super.y");
+    PropertyAccess propertyAccess =
+        parse("parseAssignableExpression", <Object>[false], "super.y");
     EngineTestCase.assertInstanceOf((obj) => obj is SuperExpression,
         SuperExpression, propertyAccess.target);
     expect(propertyAccess.operator, isNotNull);
     expect(propertyAccess.propertyName, isNotNull);
   }
 
   void test_parseAssignableExpression_super_index() {
-    IndexExpression expression = ParserTestCase.parse(
-        "parseAssignableExpression", <Object>[false], "super[y]");
+    IndexExpression expression =
+        parse("parseAssignableExpression", <Object>[false], "super[y]");
     EngineTestCase.assertInstanceOf(
         (obj) => obj is SuperExpression, SuperExpression, expression.target);
     expect(expression.leftBracket, isNotNull);
     expect(expression.index, isNotNull);
     expect(expression.rightBracket, isNotNull);
   }
 
   void test_parseAssignableSelector_dot() {
-    PropertyAccess selector = ParserTestCase.parse(
-        "parseAssignableSelector", <Object>[null, true], ".x");
+    PropertyAccess selector =
+        parse("parseAssignableSelector", <Object>[null, true], ".x");
     expect(selector.operator, isNotNull);
     expect(selector.propertyName, isNotNull);
   }
 
   void test_parseAssignableSelector_index() {
-    IndexExpression selector = ParserTestCase.parse(
-        "parseAssignableSelector", <Object>[null, true], "[x]");
+    IndexExpression selector =
+        parse("parseAssignableSelector", <Object>[null, true], "[x]");
     expect(selector.leftBracket, isNotNull);
     expect(selector.index, isNotNull);
     expect(selector.rightBracket, isNotNull);
   }
 
   void test_parseAssignableSelector_none() {
-    SimpleIdentifier selector = ParserTestCase.parse("parseAssignableSelector",
-        <Object>[new SimpleIdentifier(null), true], ";");
+    SimpleIdentifier selector = parse("parseAssignableSelector", <Object>[
+      new SimpleIdentifier(null),
+      true
+    ], ";");
     expect(selector, isNotNull);
   }
 
   void test_parseAwaitExpression() {
-    AwaitExpression expression =
-        ParserTestCase.parse4("parseAwaitExpression", "await x;");
+    AwaitExpression expression = parse4("parseAwaitExpression", "await x;");
     expect(expression.awaitKeyword, isNotNull);
     expect(expression.expression, isNotNull);
   }
 
   void test_parseAwaitExpression_asStatement_inAsync() {
-    MethodDeclaration method = ParserTestCase.parse(
-        "parseClassMember", <Object>["C"], "m() async { await x; }");
+    MethodDeclaration method =
+        parse("parseClassMember", <Object>["C"], "m() async { await x; }");
     FunctionBody body = method.body;
     EngineTestCase.assertInstanceOf(
         (obj) => obj is BlockFunctionBody, BlockFunctionBody, body);
     Statement statement = (body as BlockFunctionBody).block.statements[0];
     EngineTestCase.assertInstanceOf(
         (obj) => obj is ExpressionStatement, ExpressionStatement, statement);
     Expression expression = (statement as ExpressionStatement).expression;
     EngineTestCase.assertInstanceOf(
         (obj) => obj is AwaitExpression, AwaitExpression, expression);
     expect((expression as AwaitExpression).awaitKeyword, isNotNull);
     expect((expression as AwaitExpression).expression, isNotNull);
   }
 
   void test_parseAwaitExpression_asStatement_inSync() {
-    MethodDeclaration method = ParserTestCase.parse(
-        "parseClassMember", <Object>["C"], "m() { await x; }");
+    MethodDeclaration method =
+        parse("parseClassMember", <Object>["C"], "m() { await x; }");
     FunctionBody body = method.body;
     EngineTestCase.assertInstanceOf(
         (obj) => obj is BlockFunctionBody, BlockFunctionBody, body);
     Statement statement = (body as BlockFunctionBody).block.statements[0];
     EngineTestCase.assertInstanceOf(
         (obj) => obj is VariableDeclarationStatement,
         VariableDeclarationStatement, statement);
   }
 
   void test_parseBitwiseAndExpression_normal() {
-    BinaryExpression expression =
-        ParserTestCase.parse4("parseBitwiseAndExpression", "x & y");
+    BinaryExpression expression = parse4("parseBitwiseAndExpression", "x & y");
     expect(expression.leftOperand, isNotNull);
     expect(expression.operator, isNotNull);
     expect(expression.operator.type, TokenType.AMPERSAND);
     expect(expression.rightOperand, isNotNull);
   }
 
   void test_parseBitwiseAndExpression_super() {
     BinaryExpression expression =
-        ParserTestCase.parse4("parseBitwiseAndExpression", "super & y");
+        parse4("parseBitwiseAndExpression", "super & y");
     EngineTestCase.assertInstanceOf((obj) => obj is SuperExpression,
         SuperExpression, expression.leftOperand);
     expect(expression.operator, isNotNull);
     expect(expression.operator.type, TokenType.AMPERSAND);
     expect(expression.rightOperand, isNotNull);
   }
 
   void test_parseBitwiseOrExpression_normal() {
-    BinaryExpression expression =
-        ParserTestCase.parse4("parseBitwiseOrExpression", "x | y");
+    BinaryExpression expression = parse4("parseBitwiseOrExpression", "x | y");
     expect(expression.leftOperand, isNotNull);
     expect(expression.operator, isNotNull);
     expect(expression.operator.type, TokenType.BAR);
     expect(expression.rightOperand, isNotNull);
   }
 
   void test_parseBitwiseOrExpression_super() {
     BinaryExpression expression =
-        ParserTestCase.parse4("parseBitwiseOrExpression", "super | y");
+        parse4("parseBitwiseOrExpression", "super | y");
     EngineTestCase.assertInstanceOf((obj) => obj is SuperExpression,
         SuperExpression, expression.leftOperand);
     expect(expression.operator, isNotNull);
     expect(expression.operator.type, TokenType.BAR);
     expect(expression.rightOperand, isNotNull);
   }
 
   void test_parseBitwiseXorExpression_normal() {
-    BinaryExpression expression =
-        ParserTestCase.parse4("parseBitwiseXorExpression", "x ^ y");
+    BinaryExpression expression = parse4("parseBitwiseXorExpression", "x ^ y");
     expect(expression.leftOperand, isNotNull);
     expect(expression.operator, isNotNull);
     expect(expression.operator.type, TokenType.CARET);
     expect(expression.rightOperand, isNotNull);
   }
 
   void test_parseBitwiseXorExpression_super() {
     BinaryExpression expression =
-        ParserTestCase.parse4("parseBitwiseXorExpression", "super ^ y");
+        parse4("parseBitwiseXorExpression", "super ^ y");
     EngineTestCase.assertInstanceOf((obj) => obj is SuperExpression,
         SuperExpression, expression.leftOperand);
     expect(expression.operator, isNotNull);
     expect(expression.operator.type, TokenType.CARET);
     expect(expression.rightOperand, isNotNull);
   }
 
   void test_parseBlock_empty() {
-    Block block = ParserTestCase.parse4("parseBlock", "{}");
+    Block block = parse4("parseBlock", "{}");
     expect(block.leftBracket, isNotNull);
     expect(block.statements, hasLength(0));
     expect(block.rightBracket, isNotNull);
   }
 
   void test_parseBlock_nonEmpty() {
-    Block block = ParserTestCase.parse4("parseBlock", "{;}");
+    Block block = parse4("parseBlock", "{;}");
     expect(block.leftBracket, isNotNull);
     expect(block.statements, hasLength(1));
     expect(block.rightBracket, isNotNull);
   }
 
   void test_parseBreakStatement_label() {
-    BreakStatement statement =
-        ParserTestCase.parse4("parseBreakStatement", "break foo;");
+    BreakStatement statement = parse4("parseBreakStatement", "break foo;");
     expect(statement.breakKeyword, isNotNull);
     expect(statement.label, isNotNull);
     expect(statement.semicolon, isNotNull);
   }
 
   void test_parseBreakStatement_noLabel() {
-    BreakStatement statement = ParserTestCase.parse4("parseBreakStatement",
-        "break;", [ParserErrorCode.BREAK_OUTSIDE_OF_LOOP]);
+    BreakStatement statement = parse4("parseBreakStatement", "break;",
+        [ParserErrorCode.BREAK_OUTSIDE_OF_LOOP]);
     expect(statement.breakKeyword, isNotNull);
     expect(statement.label, isNull);
     expect(statement.semicolon, isNotNull);
   }
 
   void test_parseCascadeSection_i() {
-    IndexExpression section =
-        ParserTestCase.parse4("parseCascadeSection", "..[i]");
+    IndexExpression section = parse4("parseCascadeSection", "..[i]");
     expect(section.target, isNull);
     expect(section.leftBracket, isNotNull);
     expect(section.index, isNotNull);
     expect(section.rightBracket, isNotNull);
   }
 
   void test_parseCascadeSection_ia() {
     FunctionExpressionInvocation section =
-        ParserTestCase.parse4("parseCascadeSection", "..[i](b)");
+        parse4("parseCascadeSection", "..[i](b)");
     EngineTestCase.assertInstanceOf(
         (obj) => obj is IndexExpression, IndexExpression, section.function);
     expect(section.argumentList, isNotNull);
   }
 
   void test_parseCascadeSection_ii() {
-    MethodInvocation section =
-        ParserTestCase.parse4("parseCascadeSection", "..a(b).c(d)");
+    MethodInvocation section = parse4("parseCascadeSection", "..a(b).c(d)");
     EngineTestCase.assertInstanceOf(
         (obj) => obj is MethodInvocation, MethodInvocation, section.target);
     expect(section.period, isNotNull);
     expect(section.methodName, isNotNull);
     expect(section.argumentList, isNotNull);
     expect(section.argumentList.arguments, hasLength(1));
   }
 
   void test_parseCascadeSection_p() {
-    PropertyAccess section =
-        ParserTestCase.parse4("parseCascadeSection", "..a");
+    PropertyAccess section = parse4("parseCascadeSection", "..a");
     expect(section.target, isNull);
     expect(section.operator, isNotNull);
     expect(section.propertyName, isNotNull);
   }
 
   void test_parseCascadeSection_p_assign() {
-    AssignmentExpression section =
-        ParserTestCase.parse4("parseCascadeSection", "..a = 3");
+    AssignmentExpression section = parse4("parseCascadeSection", "..a = 3");
     expect(section.leftHandSide, isNotNull);
     expect(section.operator, isNotNull);
     Expression rhs = section.rightHandSide;
     expect(rhs, isNotNull);
   }
 
   void test_parseCascadeSection_p_assign_withCascade() {
     AssignmentExpression section =
-        ParserTestCase.parse4("parseCascadeSection", "..a = 3..m()");
+        parse4("parseCascadeSection", "..a = 3..m()");
     expect(section.leftHandSide, isNotNull);
     expect(section.operator, isNotNull);
     Expression rhs = section.rightHandSide;
-    EngineTestCase
-        .assertInstanceOf((obj) => obj is IntegerLiteral, IntegerLiteral, rhs);
+    EngineTestCase.assertInstanceOf(
+        (obj) => obj is IntegerLiteral, IntegerLiteral, rhs);
   }
 
   void test_parseCascadeSection_p_builtIn() {
-    PropertyAccess section =
-        ParserTestCase.parse4("parseCascadeSection", "..as");
+    PropertyAccess section = parse4("parseCascadeSection", "..as");
     expect(section.target, isNull);
     expect(section.operator, isNotNull);
     expect(section.propertyName, isNotNull);
   }
 
   void test_parseCascadeSection_pa() {
-    MethodInvocation section =
-        ParserTestCase.parse4("parseCascadeSection", "..a(b)");
+    MethodInvocation section = parse4("parseCascadeSection", "..a(b)");
     expect(section.target, isNull);
     expect(section.period, isNotNull);
     expect(section.methodName, isNotNull);
     expect(section.argumentList, isNotNull);
     expect(section.argumentList.arguments, hasLength(1));
   }
 
   void test_parseCascadeSection_paa() {
     FunctionExpressionInvocation section =
-        ParserTestCase.parse4("parseCascadeSection", "..a(b)(c)");
+        parse4("parseCascadeSection", "..a(b)(c)");
     EngineTestCase.assertInstanceOf(
         (obj) => obj is MethodInvocation, MethodInvocation, section.function);
     expect(section.argumentList, isNotNull);
     expect(section.argumentList.arguments, hasLength(1));
   }
 
   void test_parseCascadeSection_paapaa() {
     FunctionExpressionInvocation section =
-        ParserTestCase.parse4("parseCascadeSection", "..a(b)(c).d(e)(f)");
+        parse4("parseCascadeSection", "..a(b)(c).d(e)(f)");
     EngineTestCase.assertInstanceOf(
         (obj) => obj is MethodInvocation, MethodInvocation, section.function);
     expect(section.argumentList, isNotNull);
     expect(section.argumentList.arguments, hasLength(1));
   }
 
   void test_parseCascadeSection_pap() {
-    PropertyAccess section =
-        ParserTestCase.parse4("parseCascadeSection", "..a(b).c");
+    PropertyAccess section = parse4("parseCascadeSection", "..a(b).c");
     expect(section.target, isNotNull);
     expect(section.operator, isNotNull);
     expect(section.propertyName, isNotNull);
   }
 
   void test_parseClassDeclaration_abstract() {
-    ClassDeclaration declaration = ParserTestCase.parse("parseClassDeclaration",
-        <Object>[
+    ClassDeclaration declaration = parse("parseClassDeclaration", <Object>[
       emptyCommentAndMetadata(),
       TokenFactory.tokenFromKeyword(Keyword.ABSTRACT)
     ], "class A {}");
     expect(declaration.documentationComment, isNull);
     expect(declaration.abstractKeyword, isNotNull);
     expect(declaration.extendsClause, isNull);
     expect(declaration.implementsClause, isNull);
     expect(declaration.classKeyword, isNotNull);
     expect(declaration.leftBracket, isNotNull);
     expect(declaration.name, isNotNull);
     expect(declaration.members, hasLength(0));
     expect(declaration.rightBracket, isNotNull);
     expect(declaration.typeParameters, isNull);
   }
 
   void test_parseClassDeclaration_empty() {
-    ClassDeclaration declaration = ParserTestCase.parse("parseClassDeclaration",
-        <Object>[emptyCommentAndMetadata(), null], "class A {}");
+    ClassDeclaration declaration = parse("parseClassDeclaration", <Object>[
+      emptyCommentAndMetadata(),
+      null
+    ], "class A {}");
     expect(declaration.documentationComment, isNull);
     expect(declaration.abstractKeyword, isNull);
     expect(declaration.extendsClause, isNull);
     expect(declaration.implementsClause, isNull);
     expect(declaration.classKeyword, isNotNull);
     expect(declaration.leftBracket, isNotNull);
     expect(declaration.name, isNotNull);
     expect(declaration.members, hasLength(0));
     expect(declaration.rightBracket, isNotNull);
     expect(declaration.typeParameters, isNull);
   }
 
   void test_parseClassDeclaration_extends() {
-    ClassDeclaration declaration = ParserTestCase.parse("parseClassDeclaration",
-        <Object>[emptyCommentAndMetadata(), null], "class A extends B {}");
+    ClassDeclaration declaration = parse("parseClassDeclaration", <Object>[
+      emptyCommentAndMetadata(),
+      null
+    ], "class A extends B {}");
     expect(declaration.documentationComment, isNull);
     expect(declaration.abstractKeyword, isNull);
     expect(declaration.extendsClause, isNotNull);
     expect(declaration.implementsClause, isNull);
     expect(declaration.classKeyword, isNotNull);
     expect(declaration.leftBracket, isNotNull);
     expect(declaration.name, isNotNull);
     expect(declaration.members, hasLength(0));
     expect(declaration.rightBracket, isNotNull);
     expect(declaration.typeParameters, isNull);
   }
 
   void test_parseClassDeclaration_extendsAndImplements() {
-    ClassDeclaration declaration = ParserTestCase.parse("parseClassDeclaration",
-        <Object>[
+    ClassDeclaration declaration = parse("parseClassDeclaration", <Object>[
       emptyCommentAndMetadata(),
       null
     ], "class A extends B implements C {}");
     expect(declaration.documentationComment, isNull);
     expect(declaration.abstractKeyword, isNull);
     expect(declaration.extendsClause, isNotNull);
     expect(declaration.implementsClause, isNotNull);
     expect(declaration.classKeyword, isNotNull);
     expect(declaration.leftBracket, isNotNull);
     expect(declaration.name, isNotNull);
     expect(declaration.members, hasLength(0));
     expect(declaration.rightBracket, isNotNull);
     expect(declaration.typeParameters, isNull);
   }
 
   void test_parseClassDeclaration_extendsAndWith() {
-    ClassDeclaration declaration = ParserTestCase.parse("parseClassDeclaration",
-        <Object>[
+    ClassDeclaration declaration = parse("parseClassDeclaration", <Object>[
       emptyCommentAndMetadata(),
       null
     ], "class A extends B with C {}");
     expect(declaration.documentationComment, isNull);
     expect(declaration.abstractKeyword, isNull);
     expect(declaration.classKeyword, isNotNull);
     expect(declaration.name, isNotNull);
     expect(declaration.typeParameters, isNull);
     expect(declaration.extendsClause, isNotNull);
     expect(declaration.withClause, isNotNull);
     expect(declaration.implementsClause, isNull);
     expect(declaration.leftBracket, isNotNull);
     expect(declaration.members, hasLength(0));
     expect(declaration.rightBracket, isNotNull);
   }
 
   void test_parseClassDeclaration_extendsAndWithAndImplements() {
-    ClassDeclaration declaration = ParserTestCase.parse("parseClassDeclaration",
-        <Object>[
+    ClassDeclaration declaration = parse("parseClassDeclaration", <Object>[
       emptyCommentAndMetadata(),
       null
     ], "class A extends B with C implements D {}");
     expect(declaration.documentationComment, isNull);
     expect(declaration.abstractKeyword, isNull);
     expect(declaration.classKeyword, isNotNull);
     expect(declaration.name, isNotNull);
     expect(declaration.typeParameters, isNull);
     expect(declaration.extendsClause, isNotNull);
     expect(declaration.withClause, isNotNull);
     expect(declaration.implementsClause, isNotNull);
     expect(declaration.leftBracket, isNotNull);
     expect(declaration.members, hasLength(0));
     expect(declaration.rightBracket, isNotNull);
   }
 
   void test_parseClassDeclaration_implements() {
-    ClassDeclaration declaration = ParserTestCase.parse("parseClassDeclaration",
-        <Object>[emptyCommentAndMetadata(), null], "class A implements C {}");
+    ClassDeclaration declaration = parse("parseClassDeclaration", <Object>[
+      emptyCommentAndMetadata(),
+      null
+    ], "class A implements C {}");
     expect(declaration.documentationComment, isNull);
     expect(declaration.abstractKeyword, isNull);
     expect(declaration.extendsClause, isNull);
     expect(declaration.implementsClause, isNotNull);
     expect(declaration.classKeyword, isNotNull);
     expect(declaration.leftBracket, isNotNull);
     expect(declaration.name, isNotNull);
     expect(declaration.members, hasLength(0));
     expect(declaration.rightBracket, isNotNull);
     expect(declaration.typeParameters, isNull);
   }
 
   void test_parseClassDeclaration_native() {
-    ClassDeclaration declaration = ParserTestCase.parse("parseClassDeclaration",
-        <Object>[
+    ClassDeclaration declaration = parse("parseClassDeclaration", <Object>[
       emptyCommentAndMetadata(),
       null
     ], "class A native 'nativeValue' {}");
     NativeClause nativeClause = declaration.nativeClause;
     expect(nativeClause, isNotNull);
     expect(nativeClause.nativeKeyword, isNotNull);
     expect(nativeClause.name.stringValue, "nativeValue");
     expect(nativeClause.beginToken, same(nativeClause.nativeKeyword));
     expect(nativeClause.endToken, same(nativeClause.name.endToken));
   }
 
   void test_parseClassDeclaration_nonEmpty() {
-    ClassDeclaration declaration = ParserTestCase.parse("parseClassDeclaration",
-        <Object>[emptyCommentAndMetadata(), null], "class A {var f;}");
+    ClassDeclaration declaration = parse("parseClassDeclaration", <Object>[
+      emptyCommentAndMetadata(),
+      null
+    ], "class A {var f;}");
     expect(declaration.documentationComment, isNull);
     expect(declaration.abstractKeyword, isNull);
     expect(declaration.extendsClause, isNull);
     expect(declaration.implementsClause, isNull);
     expect(declaration.classKeyword, isNotNull);
     expect(declaration.leftBracket, isNotNull);
     expect(declaration.name, isNotNull);
     expect(declaration.members, hasLength(1));
     expect(declaration.rightBracket, isNotNull);
     expect(declaration.typeParameters, isNull);
   }
 
   void test_parseClassDeclaration_typeAlias_implementsC() {
-    ClassTypeAlias typeAlias = ParserTestCase.parse("parseClassDeclaration",
-        <Object>[
+    ClassTypeAlias typeAlias = parse("parseClassDeclaration", <Object>[
       emptyCommentAndMetadata(),
       null
     ], "class A = Object with B implements C;");
     expect(typeAlias.typedefKeyword, isNotNull);
     expect(typeAlias.name, isNotNull);
     expect(typeAlias.typeParameters, isNull);
     expect(typeAlias.withClause, isNotNull);
     expect(typeAlias.implementsClause, isNotNull);
     expect(typeAlias.implementsClause.implementsKeyword, isNotNull);
     expect(typeAlias.implementsClause.interfaces.length, 1);
     expect(typeAlias.semicolon, isNotNull);
   }
 
   void test_parseClassDeclaration_typeAlias_withB() {
-    ClassTypeAlias typeAlias = ParserTestCase.parse("parseClassDeclaration",
-        <Object>[emptyCommentAndMetadata(), null], "class A = Object with B;");
+    ClassTypeAlias typeAlias = parse("parseClassDeclaration", <Object>[
+      emptyCommentAndMetadata(),
+      null
+    ], "class A = Object with B;");
     expect(typeAlias.typedefKeyword, isNotNull);
     expect(typeAlias.name, isNotNull);
     expect(typeAlias.typeParameters, isNull);
     expect(typeAlias.withClause, isNotNull);
     expect(typeAlias.withClause.withKeyword, isNotNull);
     expect(typeAlias.withClause.mixinTypes.length, 1);
     expect(typeAlias.implementsClause, isNull);
     expect(typeAlias.semicolon, isNotNull);
   }
 
   void test_parseClassDeclaration_typeParameters() {
-    ClassDeclaration declaration = ParserTestCase.parse("parseClassDeclaration",
-        <Object>[emptyCommentAndMetadata(), null], "class A<B> {}");
+    ClassDeclaration declaration = parse("parseClassDeclaration", <Object>[
+      emptyCommentAndMetadata(),
+      null
+    ], "class A<B> {}");
     expect(declaration.documentationComment, isNull);
     expect(declaration.abstractKeyword, isNull);
     expect(declaration.extendsClause, isNull);
     expect(declaration.implementsClause, isNull);
     expect(declaration.classKeyword, isNotNull);
     expect(declaration.leftBracket, isNotNull);
     expect(declaration.name, isNotNull);
     expect(declaration.members, hasLength(0));
     expect(declaration.rightBracket, isNotNull);
     expect(declaration.typeParameters, isNotNull);
     expect(declaration.typeParameters.typeParameters, hasLength(1));
   }
 
   void test_parseClassMember_constructor_withInitializers() {
     // TODO(brianwilkerson) Test other kinds of class members: fields, getters
     // and setters.
-    ConstructorDeclaration constructor = ParserTestCase.parse(
-        "parseClassMember", <Object>[
-      "C"
-    ], "C(_, _\$, this.__) : _a = _ + _\$ {}");
+    ConstructorDeclaration constructor = parse("parseClassMember",
+        <Object>["C"], "C(_, _\$, this.__) : _a = _ + _\$ {}");
     expect(constructor.body, isNotNull);
     expect(constructor.separator, isNotNull);
     expect(constructor.externalKeyword, isNull);
     expect(constructor.constKeyword, isNull);
     expect(constructor.factoryKeyword, isNull);
     expect(constructor.name, isNull);
     expect(constructor.parameters, isNotNull);
     expect(constructor.period, isNull);
     expect(constructor.returnType, isNotNull);
     expect(constructor.initializers, hasLength(1));
   }
 
   void test_parseClassMember_field_instance_prefixedType() {
-    FieldDeclaration field =
-        ParserTestCase.parse("parseClassMember", <Object>["C"], "p.A f;");
+    FieldDeclaration field = parse("parseClassMember", <Object>["C"], "p.A f;");
     expect(field.documentationComment, isNull);
     expect(field.metadata, hasLength(0));
     expect(field.staticKeyword, isNull);
     VariableDeclarationList list = field.fields;
     expect(list, isNotNull);
     NodeList<VariableDeclaration> variables = list.variables;
     expect(variables, hasLength(1));
     VariableDeclaration variable = variables[0];
     expect(variable.name, isNotNull);
   }
 
   void test_parseClassMember_field_namedGet() {
     FieldDeclaration field =
-        ParserTestCase.parse("parseClassMember", <Object>["C"], "var get;");
+        parse("parseClassMember", <Object>["C"], "var get;");
     expect(field.documentationComment, isNull);
     expect(field.metadata, hasLength(0));
     expect(field.staticKeyword, isNull);
     VariableDeclarationList list = field.fields;
     expect(list, isNotNull);
     NodeList<VariableDeclaration> variables = list.variables;
     expect(variables, hasLength(1));
     VariableDeclaration variable = variables[0];
     expect(variable.name, isNotNull);
   }
 
   void test_parseClassMember_field_namedOperator() {
-    FieldDeclaration field = ParserTestCase.parse(
-        "parseClassMember", <Object>["C"], "var operator;");
+    FieldDeclaration field =
+        parse("parseClassMember", <Object>["C"], "var operator;");
     expect(field.documentationComment, isNull);
     expect(field.metadata, hasLength(0));
     expect(field.staticKeyword, isNull);
     VariableDeclarationList list = field.fields;
     expect(list, isNotNull);
     NodeList<VariableDeclaration> variables = list.variables;
     expect(variables, hasLength(1));
     VariableDeclaration variable = variables[0];
     expect(variable.name, isNotNull);
   }
 
   void test_parseClassMember_field_namedOperator_withAssignment() {
-    FieldDeclaration field = ParserTestCase.parse(
-        "parseClassMember", <Object>["C"], "var operator = (5);");
+    FieldDeclaration field =
+        parse("parseClassMember", <Object>["C"], "var operator = (5);");
     expect(field.documentationComment, isNull);
     expect(field.metadata, hasLength(0));
     expect(field.staticKeyword, isNull);
     VariableDeclarationList list = field.fields;
     expect(list, isNotNull);
     NodeList<VariableDeclaration> variables = list.variables;
     expect(variables, hasLength(1));
     VariableDeclaration variable = variables[0];
     expect(variable.name, isNotNull);
     expect(variable.initializer, isNotNull);
   }
 
   void test_parseClassMember_field_namedSet() {
     FieldDeclaration field =
-        ParserTestCase.parse("parseClassMember", <Object>["C"], "var set;");
+        parse("parseClassMember", <Object>["C"], "var set;");
     expect(field.documentationComment, isNull);
     expect(field.metadata, hasLength(0));
     expect(field.staticKeyword, isNull);
     VariableDeclarationList list = field.fields;
     expect(list, isNotNull);
     NodeList<VariableDeclaration> variables = list.variables;
     expect(variables, hasLength(1));
     VariableDeclaration variable = variables[0];
     expect(variable.name, isNotNull);
   }
 
   void test_parseClassMember_getter_void() {
-    MethodDeclaration method = ParserTestCase.parse(
-        "parseClassMember", <Object>["C"], "void get g {}");
+    MethodDeclaration method =
+        parse("parseClassMember", <Object>["C"], "void get g {}");
     expect(method.documentationComment, isNull);
     expect(method.externalKeyword, isNull);
     expect(method.modifierKeyword, isNull);
     expect(method.propertyKeyword, isNotNull);
     expect(method.returnType, isNotNull);
     expect(method.name, isNotNull);
     expect(method.operatorKeyword, isNull);
     expect(method.body, isNotNull);
   }
 
   void test_parseClassMember_method_external() {
-    MethodDeclaration method = ParserTestCase.parse(
-        "parseClassMember", <Object>["C"], "external m();");
+    MethodDeclaration method =
+        parse("parseClassMember", <Object>["C"], "external m();");
     expect(method.body, isNotNull);
     expect(method.documentationComment, isNull);
     expect(method.externalKeyword, isNotNull);
     expect(method.modifierKeyword, isNull);
     expect(method.name, isNotNull);
     expect(method.operatorKeyword, isNull);
     expect(method.parameters, isNotNull);
     expect(method.propertyKeyword, isNull);
     expect(method.returnType, isNull);
   }
 
   void test_parseClassMember_method_external_withTypeAndArgs() {
-    MethodDeclaration method = ParserTestCase.parse(
-        "parseClassMember", <Object>["C"], "external int m(int a);");
+    MethodDeclaration method =
+        parse("parseClassMember", <Object>["C"], "external int m(int a);");
     expect(method.body, isNotNull);
     expect(method.documentationComment, isNull);
     expect(method.externalKeyword, isNotNull);
     expect(method.modifierKeyword, isNull);
     expect(method.name, isNotNull);
     expect(method.operatorKeyword, isNull);
     expect(method.parameters, isNotNull);
     expect(method.propertyKeyword, isNull);
     expect(method.returnType, isNotNull);
   }
 
   void test_parseClassMember_method_get_noType() {
     MethodDeclaration method =
-        ParserTestCase.parse("parseClassMember", <Object>["C"], "get() {}");
+        parse("parseClassMember", <Object>["C"], "get() {}");
     expect(method.documentationComment, isNull);
     expect(method.externalKeyword, isNull);
     expect(method.modifierKeyword, isNull);
     expect(method.propertyKeyword, isNull);
     expect(method.returnType, isNull);
     expect(method.name, isNotNull);
     expect(method.operatorKeyword, isNull);
     expect(method.parameters, isNotNull);
     expect(method.body, isNotNull);
   }
 
   void test_parseClassMember_method_get_type() {
     MethodDeclaration method =
-        ParserTestCase.parse("parseClassMember", <Object>["C"], "int get() {}");
+        parse("parseClassMember", <Object>["C"], "int get() {}");
     expect(method.documentationComment, isNull);
     expect(method.externalKeyword, isNull);
     expect(method.modifierKeyword, isNull);
     expect(method.propertyKeyword, isNull);
     expect(method.returnType, isNotNull);
     expect(method.name, isNotNull);
     expect(method.operatorKeyword, isNull);
     expect(method.parameters, isNotNull);
     expect(method.body, isNotNull);
   }
 
   void test_parseClassMember_method_get_void() {
-    MethodDeclaration method = ParserTestCase.parse(
-        "parseClassMember", <Object>["C"], "void get() {}");
+    MethodDeclaration method =
+        parse("parseClassMember", <Object>["C"], "void get() {}");
     expect(method.documentationComment, isNull);
     expect(method.externalKeyword, isNull);
     expect(method.modifierKeyword, isNull);
     expect(method.propertyKeyword, isNull);
     expect(method.returnType, isNotNull);
     expect(method.name, isNotNull);
     expect(method.operatorKeyword, isNull);
     expect(method.parameters, isNotNull);
     expect(method.body, isNotNull);
   }
 
   void test_parseClassMember_method_operator_noType() {
-    MethodDeclaration method = ParserTestCase.parse(
-        "parseClassMember", <Object>["C"], "operator() {}");
+    MethodDeclaration method =
+        parse("parseClassMember", <Object>["C"], "operator() {}");
     expect(method.documentationComment, isNull);
     expect(method.externalKeyword, isNull);
     expect(method.modifierKeyword, isNull);
     expect(method.propertyKeyword, isNull);
     expect(method.returnType, isNull);
     expect(method.name, isNotNull);
     expect(method.operatorKeyword, isNull);
     expect(method.parameters, isNotNull);
     expect(method.body, isNotNull);
   }
 
   void test_parseClassMember_method_operator_type() {
-    MethodDeclaration method = ParserTestCase.parse(
-        "parseClassMember", <Object>["C"], "int operator() {}");
+    MethodDeclaration method =
+        parse("parseClassMember", <Object>["C"], "int operator() {}");
     expect(method.documentationComment, isNull);
     expect(method.externalKeyword, isNull);
     expect(method.modifierKeyword, isNull);
     expect(method.propertyKeyword, isNull);
     expect(method.returnType, isNotNull);
     expect(method.name, isNotNull);
     expect(method.operatorKeyword, isNull);
     expect(method.parameters, isNotNull);
     expect(method.body, isNotNull);
   }
 
   void test_parseClassMember_method_operator_void() {
-    MethodDeclaration method = ParserTestCase.parse(
-        "parseClassMember", <Object>["C"], "void operator() {}");
+    MethodDeclaration method =
+        parse("parseClassMember", <Object>["C"], "void operator() {}");
     expect(method.documentationComment, isNull);
     expect(method.externalKeyword, isNull);
     expect(method.modifierKeyword, isNull);
     expect(method.propertyKeyword, isNull);
     expect(method.returnType, isNotNull);
     expect(method.name, isNotNull);
     expect(method.operatorKeyword, isNull);
     expect(method.parameters, isNotNull);
     expect(method.body, isNotNull);
   }
 
   void test_parseClassMember_method_returnType_parameterized() {
     MethodDeclaration method =
-        ParserTestCase.parse("parseClassMember", <Object>["C"], "p.A m() {}");
+        parse("parseClassMember", <Object>["C"], "p.A m() {}");
     expect(method.documentationComment, isNull);
     expect(method.externalKeyword, isNull);
     expect(method.modifierKeyword, isNull);
     expect(method.propertyKeyword, isNull);
     expect(method.returnType, isNotNull);
     expect(method.name, isNotNull);
     expect(method.operatorKeyword, isNull);
     expect(method.parameters, isNotNull);
     expect(method.body, isNotNull);
   }
 
   void test_parseClassMember_method_set_noType() {
     MethodDeclaration method =
-        ParserTestCase.parse("parseClassMember", <Object>["C"], "set() {}");
+        parse("parseClassMember", <Object>["C"], "set() {}");
     expect(method.documentationComment, isNull);
     expect(method.externalKeyword, isNull);
     expect(method.modifierKeyword, isNull);
     expect(method.propertyKeyword, isNull);
     expect(method.returnType, isNull);
     expect(method.name, isNotNull);
     expect(method.operatorKeyword, isNull);
     expect(method.parameters, isNotNull);
     expect(method.body, isNotNull);
   }
 
   void test_parseClassMember_method_set_type() {
     MethodDeclaration method =
-        ParserTestCase.parse("parseClassMember", <Object>["C"], "int set() {}");
+        parse("parseClassMember", <Object>["C"], "int set() {}");
     expect(method.documentationComment, isNull);
     expect(method.externalKeyword, isNull);
     expect(method.modifierKeyword, isNull);
     expect(method.propertyKeyword, isNull);
     expect(method.returnType, isNotNull);
     expect(method.name, isNotNull);
     expect(method.operatorKeyword, isNull);
     expect(method.parameters, isNotNull);
     expect(method.body, isNotNull);
   }
 
   void test_parseClassMember_method_set_void() {
-    MethodDeclaration method = ParserTestCase.parse(
-        "parseClassMember", <Object>["C"], "void set() {}");
+    MethodDeclaration method =
+        parse("parseClassMember", <Object>["C"], "void set() {}");
     expect(method.documentationComment, isNull);
     expect(method.externalKeyword, isNull);
     expect(method.modifierKeyword, isNull);
     expect(method.propertyKeyword, isNull);
     expect(method.returnType, isNotNull);
     expect(method.name, isNotNull);
     expect(method.operatorKeyword, isNull);
     expect(method.parameters, isNotNull);
     expect(method.body, isNotNull);
   }
 
   void test_parseClassMember_operator_index() {
-    MethodDeclaration method = ParserTestCase.parse(
-        "parseClassMember", <Object>["C"], "int operator [](int i) {}");
+    MethodDeclaration method =
+        parse("parseClassMember", <Object>["C"], "int operator [](int i) {}");
     expect(method.documentationComment, isNull);
     expect(method.externalKeyword, isNull);
     expect(method.modifierKeyword, isNull);
     expect(method.propertyKeyword, isNull);
     expect(method.returnType, isNotNull);
     expect(method.name, isNotNull);
     expect(method.operatorKeyword, isNotNull);
     expect(method.parameters, isNotNull);
     expect(method.body, isNotNull);
   }
 
   void test_parseClassMember_operator_indexAssign() {
-    MethodDeclaration method = ParserTestCase.parse(
-        "parseClassMember", <Object>["C"], "int operator []=(int i) {}");
+    MethodDeclaration method =
+        parse("parseClassMember", <Object>["C"], "int operator []=(int i) {}");
     expect(method.documentationComment, isNull);
     expect(method.externalKeyword, isNull);
     expect(method.modifierKeyword, isNull);
     expect(method.propertyKeyword, isNull);
     expect(method.returnType, isNotNull);
     expect(method.name, isNotNull);
     expect(method.operatorKeyword, isNotNull);
     expect(method.parameters, isNotNull);
     expect(method.body, isNotNull);
   }
 
   void test_parseClassMember_redirectingFactory_const() {
-    ConstructorDeclaration constructor = ParserTestCase.parse(
-        "parseClassMember", <Object>["C"], "const factory C() = B;");
+    ConstructorDeclaration constructor =
+        parse("parseClassMember", <Object>["C"], "const factory C() = B;");
     expect(constructor.externalKeyword, isNull);
     expect(constructor.constKeyword, isNotNull);
     expect(constructor.factoryKeyword, isNotNull);
     expect(constructor.returnType, isNotNull);
     expect(constructor.period, isNull);
     expect(constructor.name, isNull);
     expect(constructor.parameters, isNotNull);
     expect(constructor.separator, isNotNull);
     expect(constructor.initializers, hasLength(0));
     expect(constructor.redirectedConstructor, isNotNull);
     expect(constructor.body, isNotNull);
   }
 
   void test_parseClassMember_redirectingFactory_nonConst() {
-    ConstructorDeclaration constructor = ParserTestCase.parse(
-        "parseClassMember", <Object>["C"], "factory C() = B;");
+    ConstructorDeclaration constructor =
+        parse("parseClassMember", <Object>["C"], "factory C() = B;");
     expect(constructor.externalKeyword, isNull);
     expect(constructor.constKeyword, isNull);
     expect(constructor.factoryKeyword, isNotNull);
     expect(constructor.returnType, isNotNull);
     expect(constructor.period, isNull);
     expect(constructor.name, isNull);
     expect(constructor.parameters, isNotNull);
     expect(constructor.separator, isNotNull);
     expect(constructor.initializers, hasLength(0));
     expect(constructor.redirectedConstructor, isNotNull);
     expect(constructor.body, isNotNull);
   }
 
   void test_parseClassTypeAlias_abstract() {
     Token classToken = TokenFactory.tokenFromKeyword(Keyword.CLASS);
     Token abstractToken = TokenFactory.tokenFromKeyword(Keyword.ABSTRACT);
-    ClassTypeAlias classTypeAlias = ParserTestCase.parse("parseClassTypeAlias",
-        <Object>[
+    ClassTypeAlias classTypeAlias = parse("parseClassTypeAlias", <Object>[
       emptyCommentAndMetadata(),
       abstractToken,
       classToken
     ], "A = B with C;");
     expect(classTypeAlias.typedefKeyword, isNotNull);
     expect(classTypeAlias.name.name, "A");
     expect(classTypeAlias.equals, isNotNull);
     expect(classTypeAlias.abstractKeyword, isNotNull);
     expect(classTypeAlias.superclass.name.name, isNotNull, reason: "B");
     expect(classTypeAlias.withClause, isNotNull);
     expect(classTypeAlias.implementsClause, isNull);
     expect(classTypeAlias.semicolon, isNotNull);
   }
 
   void test_parseClassTypeAlias_implements() {
     Token token = TokenFactory.tokenFromKeyword(Keyword.CLASS);
-    ClassTypeAlias classTypeAlias = ParserTestCase.parse("parseClassTypeAlias",
-        <Object>[
+    ClassTypeAlias classTypeAlias = parse("parseClassTypeAlias", <Object>[
       emptyCommentAndMetadata(),
       null,
       token
     ], "A = B with C implements D;");
     expect(classTypeAlias.typedefKeyword, isNotNull);
     expect(classTypeAlias.name.name, "A");
     expect(classTypeAlias.equals, isNotNull);
     expect(classTypeAlias.abstractKeyword, isNull);
     expect(classTypeAlias.superclass.name.name, isNotNull, reason: "B");
     expect(classTypeAlias.withClause, isNotNull);
     expect(classTypeAlias.implementsClause, isNotNull);
     expect(classTypeAlias.semicolon, isNotNull);
   }
 
   void test_parseClassTypeAlias_with() {
     Token token = TokenFactory.tokenFromKeyword(Keyword.CLASS);
-    ClassTypeAlias classTypeAlias = ParserTestCase.parse("parseClassTypeAlias",
-        <Object>[emptyCommentAndMetadata(), null, token], "A = B with C;");
+    ClassTypeAlias classTypeAlias = parse("parseClassTypeAlias", <Object>[
+      emptyCommentAndMetadata(),
+      null,
+      token
+    ], "A = B with C;");
     expect(classTypeAlias.typedefKeyword, isNotNull);
     expect(classTypeAlias.name.name, "A");
     expect(classTypeAlias.equals, isNotNull);
     expect(classTypeAlias.abstractKeyword, isNull);
     expect(classTypeAlias.superclass.name.name, isNotNull, reason: "B");
     expect(classTypeAlias.withClause, isNotNull);
     expect(classTypeAlias.implementsClause, isNull);
     expect(classTypeAlias.semicolon, isNotNull);
   }
 
   void test_parseClassTypeAlias_with_implements() {
     Token token = TokenFactory.tokenFromKeyword(Keyword.CLASS);
-    ClassTypeAlias classTypeAlias = ParserTestCase.parse("parseClassTypeAlias",
-        <Object>[
+    ClassTypeAlias classTypeAlias = parse("parseClassTypeAlias", <Object>[
       emptyCommentAndMetadata(),
       null,
       token
     ], "A = B with C implements D;");
     expect(classTypeAlias.typedefKeyword, isNotNull);
     expect(classTypeAlias.name.name, "A");
     expect(classTypeAlias.equals, isNotNull);
     expect(classTypeAlias.abstractKeyword, isNull);
     expect(classTypeAlias.superclass.name.name, isNotNull, reason: "B");
     expect(classTypeAlias.withClause, isNotNull);
     expect(classTypeAlias.implementsClause, isNotNull);
     expect(classTypeAlias.semicolon, isNotNull);
   }
 
   void test_parseCombinator_hide() {
-    HideCombinator combinator =
-        ParserTestCase.parse4('parseCombinator', 'hide a;');
+    HideCombinator combinator = parse4('parseCombinator', 'hide a;');
     expect(combinator, new isInstanceOf<HideCombinator>());
     expect(combinator.keyword, isNotNull);
     expect(combinator.hiddenNames, hasLength(1));
   }
 
   void test_parseCombinator_show() {
-    ShowCombinator combinator =
-        ParserTestCase.parse4('parseCombinator', 'show a;');
+    ShowCombinator combinator = parse4('parseCombinator', 'show a;');
     expect(combinator, new isInstanceOf<ShowCombinator>());
     expect(combinator.keyword, isNotNull);
     expect(combinator.shownNames, hasLength(1));
   }
 
   void test_parseCombinators_h() {
-    List<Combinator> combinators =
-        ParserTestCase.parse4("parseCombinators", "hide a;");
+    List<Combinator> combinators = parse4("parseCombinators", "hide a;");
     expect(combinators, hasLength(1));
     HideCombinator combinator = combinators[0] as HideCombinator;
     expect(combinator, isNotNull);
     expect(combinator.keyword, isNotNull);
     expect(combinator.hiddenNames, hasLength(1));
   }
 
   void test_parseCombinators_hs() {
-    List<Combinator> combinators =
-        ParserTestCase.parse4("parseCombinators", "hide a show b;");
+    List<Combinator> combinators = parse4("parseCombinators", "hide a show b;");
     expect(combinators, hasLength(2));
     HideCombinator hideCombinator = combinators[0] as HideCombinator;
     expect(hideCombinator, isNotNull);
     expect(hideCombinator.keyword, isNotNull);
     expect(hideCombinator.hiddenNames, hasLength(1));
     ShowCombinator showCombinator = combinators[1] as ShowCombinator;
     expect(showCombinator, isNotNull);
     expect(showCombinator.keyword, isNotNull);
     expect(showCombinator.shownNames, hasLength(1));
   }
 
   void test_parseCombinators_hshs() {
-    List<Combinator> combinators = ParserTestCase.parse4(
-        "parseCombinators", "hide a show b hide c show d;");
+    List<Combinator> combinators =
+        parse4("parseCombinators", "hide a show b hide c show d;");
     expect(combinators, hasLength(4));
   }
 
   void test_parseCombinators_s() {
-    List<Combinator> combinators =
-        ParserTestCase.parse4("parseCombinators", "show a;");
+    List<Combinator> combinators = parse4("parseCombinators", "show a;");
     expect(combinators, hasLength(1));
     ShowCombinator combinator = combinators[0] as ShowCombinator;
     expect(combinator, isNotNull);
     expect(combinator.keyword, isNotNull);
     expect(combinator.shownNames, hasLength(1));
   }
 
   void test_parseCommentAndMetadata_c() {
     CommentAndMetadata commentAndMetadata =
-        ParserTestCase.parse4("parseCommentAndMetadata", "/** 1 */ void");
+        parse4("parseCommentAndMetadata", "/** 1 */ void");
     expect(commentAndMetadata.comment, isNotNull);
     expect(commentAndMetadata.metadata, hasLength(0));
   }
 
   void test_parseCommentAndMetadata_cmc() {
-    CommentAndMetadata commentAndMetadata = ParserTestCase.parse4(
-        "parseCommentAndMetadata", "/** 1 */ @A /** 2 */ void");
+    CommentAndMetadata commentAndMetadata =
+        parse4("parseCommentAndMetadata", "/** 1 */ @A /** 2 */ void");
     expect(commentAndMetadata.comment, isNotNull);
     expect(commentAndMetadata.metadata, hasLength(1));
   }
 
   void test_parseCommentAndMetadata_cmcm() {
-    CommentAndMetadata commentAndMetadata = ParserTestCase.parse4(
-        "parseCommentAndMetadata", "/** 1 */ @A /** 2 */ @B void");
+    CommentAndMetadata commentAndMetadata =
+        parse4("parseCommentAndMetadata", "/** 1 */ @A /** 2 */ @B void");
     expect(commentAndMetadata.comment, isNotNull);
     expect(commentAndMetadata.metadata, hasLength(2));
   }
 
   void test_parseCommentAndMetadata_cmm() {
     CommentAndMetadata commentAndMetadata =
-        ParserTestCase.parse4("parseCommentAndMetadata", "/** 1 */ @A @B void");
+        parse4("parseCommentAndMetadata", "/** 1 */ @A @B void");
     expect(commentAndMetadata.comment, isNotNull);
     expect(commentAndMetadata.metadata, hasLength(2));
   }
 
   void test_parseCommentAndMetadata_m() {
     CommentAndMetadata commentAndMetadata =
-        ParserTestCase.parse4("parseCommentAndMetadata", "@A void");
+        parse4("parseCommentAndMetadata", "@A void");
     expect(commentAndMetadata.comment, isNull);
     expect(commentAndMetadata.metadata, hasLength(1));
   }
 
   void test_parseCommentAndMetadata_mcm() {
     CommentAndMetadata commentAndMetadata =
-        ParserTestCase.parse4("parseCommentAndMetadata", "@A /** 1 */ @B void");
+        parse4("parseCommentAndMetadata", "@A /** 1 */ @B void");
     expect(commentAndMetadata.comment, isNotNull);
     expect(commentAndMetadata.metadata, hasLength(2));
   }
 
   void test_parseCommentAndMetadata_mcmc() {
-    CommentAndMetadata commentAndMetadata = ParserTestCase.parse4(
-        "parseCommentAndMetadata", "@A /** 1 */ @B /** 2 */ void");
+    CommentAndMetadata commentAndMetadata =
+        parse4("parseCommentAndMetadata", "@A /** 1 */ @B /** 2 */ void");
     expect(commentAndMetadata.comment, isNotNull);
     expect(commentAndMetadata.metadata, hasLength(2));
   }
 
   void test_parseCommentAndMetadata_mm() {
     CommentAndMetadata commentAndMetadata =
-        ParserTestCase.parse4("parseCommentAndMetadata", "@A @B(x) void");
+        parse4("parseCommentAndMetadata", "@A @B(x) void");
     expect(commentAndMetadata.comment, isNull);
     expect(commentAndMetadata.metadata, hasLength(2));
   }
 
   void test_parseCommentAndMetadata_none() {
     CommentAndMetadata commentAndMetadata =
-        ParserTestCase.parse4("parseCommentAndMetadata", "void");
+        parse4("parseCommentAndMetadata", "void");
     expect(commentAndMetadata.comment, isNull);
     expect(commentAndMetadata.metadata, hasLength(0));
   }
 
   void test_parseCommentAndMetadata_singleLine() {
-    CommentAndMetadata commentAndMetadata = ParserTestCase.parse4(
-        "parseCommentAndMetadata", r'''
+    CommentAndMetadata commentAndMetadata = parse4("parseCommentAndMetadata",
+        r'''
 /// 1
 /// 2
 void''');
     expect(commentAndMetadata.comment, isNotNull);
     expect(commentAndMetadata.metadata, hasLength(0));
   }
 
   void test_parseCommentReference_new_prefixed() {
-    CommentReference reference = ParserTestCase.parse(
-        "parseCommentReference", <Object>["new a.b", 7], "");
+    CommentReference reference =
+        parse("parseCommentReference", <Object>["new a.b", 7], "");
     PrefixedIdentifier prefixedIdentifier = EngineTestCase.assertInstanceOf(
         (obj) => obj is PrefixedIdentifier, PrefixedIdentifier,
         reference.identifier);
     SimpleIdentifier prefix = prefixedIdentifier.prefix;
     expect(prefix.token, isNotNull);
     expect(prefix.name, "a");
     expect(prefix.offset, 11);
     expect(prefixedIdentifier.period, isNotNull);
     SimpleIdentifier identifier = prefixedIdentifier.identifier;
     expect(identifier.token, isNotNull);
     expect(identifier.name, "b");
     expect(identifier.offset, 13);
   }
 
   void test_parseCommentReference_new_simple() {
     CommentReference reference =
-        ParserTestCase.parse("parseCommentReference", <Object>["new a", 5], "");
+        parse("parseCommentReference", <Object>["new a", 5], "");
     SimpleIdentifier identifier = EngineTestCase.assertInstanceOf(
         (obj) => obj is SimpleIdentifier, SimpleIdentifier,
         reference.identifier);
     expect(identifier.token, isNotNull);
     expect(identifier.name, "a");
     expect(identifier.offset, 9);
   }
 
   void test_parseCommentReference_prefixed() {
     CommentReference reference =
-        ParserTestCase.parse("parseCommentReference", <Object>["a.b", 7], "");
+        parse("parseCommentReference", <Object>["a.b", 7], "");
     PrefixedIdentifier prefixedIdentifier = EngineTestCase.assertInstanceOf(
         (obj) => obj is PrefixedIdentifier, PrefixedIdentifier,
         reference.identifier);
     SimpleIdentifier prefix = prefixedIdentifier.prefix;
     expect(prefix.token, isNotNull);
     expect(prefix.name, "a");
     expect(prefix.offset, 7);
     expect(prefixedIdentifier.period, isNotNull);
     SimpleIdentifier identifier = prefixedIdentifier.identifier;
     expect(identifier.token, isNotNull);
     expect(identifier.name, "b");
     expect(identifier.offset, 9);
   }
 
   void test_parseCommentReference_simple() {
     CommentReference reference =
-        ParserTestCase.parse("parseCommentReference", <Object>["a", 5], "");
+        parse("parseCommentReference", <Object>["a", 5], "");
     SimpleIdentifier identifier = EngineTestCase.assertInstanceOf(
         (obj) => obj is SimpleIdentifier, SimpleIdentifier,
         reference.identifier);
     expect(identifier.token, isNotNull);
     expect(identifier.name, "a");
     expect(identifier.offset, 5);
   }
 
   void test_parseCommentReference_synthetic() {
     CommentReference reference =
-        ParserTestCase.parse("parseCommentReference", <Object>["", 5], "");
+        parse("parseCommentReference", <Object>["", 5], "");
     SimpleIdentifier identifier = EngineTestCase.assertInstanceOf(
         (obj) => obj is SimpleIdentifier, SimpleIdentifier,
         reference.identifier);
     expect(identifier, isNotNull);
     expect(identifier.isSynthetic, isTrue);
     expect(identifier.token, isNotNull);
     expect(identifier.name, "");
     expect(identifier.offset, 5);
   }
 
   void test_parseCommentReferences_multiLine() {
     DocumentationCommentToken token = new DocumentationCommentToken(
         TokenType.MULTI_LINE_COMMENT, "/** xxx [a] yyy [bb] zzz */", 3);
     List<DocumentationCommentToken> tokens = <DocumentationCommentToken>[token];
     List<CommentReference> references =
-        ParserTestCase.parse("parseCommentReferences", <Object>[tokens], "");
+        parse("parseCommentReferences", <Object>[tokens], "");
     List<Token> tokenReferences = token.references;
     expect(references, hasLength(2));
     expect(tokenReferences, hasLength(2));
     {
       CommentReference reference = references[0];
       expect(reference, isNotNull);
       expect(reference.identifier, isNotNull);
       expect(reference.offset, 12);
       // the reference is recorded in the comment token
       Token referenceToken = tokenReferences[0];
@@ skipping 11 matching lines @@
       expect(referenceToken.lexeme, 'bb');
     }
   }
 
   void test_parseCommentReferences_notClosed_noIdentifier() {
     List<DocumentationCommentToken> tokens = <DocumentationCommentToken>[
       new DocumentationCommentToken(
           TokenType.MULTI_LINE_COMMENT, "/** [ some text", 5)
     ];
     List<CommentReference> references =
-        ParserTestCase.parse("parseCommentReferences", <Object>[tokens], "");
+        parse("parseCommentReferences", <Object>[tokens], "");
     expect(references, hasLength(1));
     CommentReference reference = references[0];
     expect(reference, isNotNull);
     expect(reference.identifier, isNotNull);
     expect(reference.identifier.isSynthetic, isTrue);
     expect(reference.identifier.name, "");
   }
 
   void test_parseCommentReferences_notClosed_withIdentifier() {
     List<DocumentationCommentToken> tokens = <DocumentationCommentToken>[
       new DocumentationCommentToken(
           TokenType.MULTI_LINE_COMMENT, "/** [namePrefix some text", 5)
     ];
     List<CommentReference> references =
-        ParserTestCase.parse("parseCommentReferences", <Object>[tokens], "");
+        parse("parseCommentReferences", <Object>[tokens], "");
     expect(references, hasLength(1));
     CommentReference reference = references[0];
     expect(reference, isNotNull);
     expect(reference.identifier, isNotNull);
     expect(reference.identifier.isSynthetic, isFalse);
     expect(reference.identifier.name, "namePrefix");
   }
 
   void test_parseCommentReferences_singleLine() {
     List<DocumentationCommentToken> tokens = <DocumentationCommentToken>[
       new DocumentationCommentToken(
           TokenType.SINGLE_LINE_COMMENT, "/// xxx [a] yyy [b] zzz", 3),
       new DocumentationCommentToken(
           TokenType.SINGLE_LINE_COMMENT, "/// x [c]", 28)
     ];
     List<CommentReference> references =
-        ParserTestCase.parse("parseCommentReferences", <Object>[tokens], "");
+        parse("parseCommentReferences", <Object>[tokens], "");
     expect(references, hasLength(3));
     CommentReference reference = references[0];
     expect(reference, isNotNull);
     expect(reference.identifier, isNotNull);
     expect(reference.offset, 12);
     reference = references[1];
     expect(reference, isNotNull);
     expect(reference.identifier, isNotNull);
     expect(reference.offset, 20);
     reference = references[2];
     expect(reference, isNotNull);
     expect(reference.identifier, isNotNull);
     expect(reference.offset, 35);
   }
 
   void test_parseCommentReferences_skipCodeBlock_bracketed() {
     List<DocumentationCommentToken> tokens = <DocumentationCommentToken>[
       new DocumentationCommentToken(
           TokenType.MULTI_LINE_COMMENT, "/** [:xxx [a] yyy:] [b] zzz */", 3)
     ];
     List<CommentReference> references =
-        ParserTestCase.parse("parseCommentReferences", <Object>[tokens], "");
+        parse("parseCommentReferences", <Object>[tokens], "");
     expect(references, hasLength(1));
     CommentReference reference = references[0];
     expect(reference, isNotNull);
     expect(reference.identifier, isNotNull);
     expect(reference.offset, 24);
   }
 
   void test_parseCommentReferences_skipCodeBlock_spaces() {
     List<DocumentationCommentToken> tokens = <DocumentationCommentToken>[
       new DocumentationCommentToken(TokenType.MULTI_LINE_COMMENT,
           "/**\n *     a[i]\n * xxx [i] zzz\n */", 3)
     ];
     List<CommentReference> references =
-        ParserTestCase.parse("parseCommentReferences", <Object>[tokens], "");
+        parse("parseCommentReferences", <Object>[tokens], "");
     expect(references, hasLength(1));
     CommentReference reference = references[0];
     expect(reference, isNotNull);
     expect(reference.identifier, isNotNull);
     expect(reference.offset, 27);
   }
 
   void test_parseCommentReferences_skipLinkDefinition() {
     List<DocumentationCommentToken> tokens = <DocumentationCommentToken>[
       new DocumentationCommentToken(TokenType.MULTI_LINE_COMMENT,
           "/** [a]: http://www.google.com (Google) [b] zzz */", 3)
     ];
     List<CommentReference> references =
-        ParserTestCase.parse("parseCommentReferences", <Object>[tokens], "");
+        parse("parseCommentReferences", <Object>[tokens], "");
     expect(references, hasLength(1));
     CommentReference reference = references[0];
     expect(reference, isNotNull);
     expect(reference.identifier, isNotNull);
     expect(reference.offset, 44);
   }
 
   void test_parseCommentReferences_skipLinked() {
     List<DocumentationCommentToken> tokens = <DocumentationCommentToken>[
       new DocumentationCommentToken(TokenType.MULTI_LINE_COMMENT,
           "/** [a](http://www.google.com) [b] zzz */", 3)
     ];
     List<CommentReference> references =
-        ParserTestCase.parse("parseCommentReferences", <Object>[tokens], "");
+        parse("parseCommentReferences", <Object>[tokens], "");
     expect(references, hasLength(1));
     CommentReference reference = references[0];
     expect(reference, isNotNull);
     expect(reference.identifier, isNotNull);
     expect(reference.offset, 35);
   }
 
   void test_parseCommentReferences_skipReferenceLink() {
     List<DocumentationCommentToken> tokens = <DocumentationCommentToken>[
       new DocumentationCommentToken(
           TokenType.MULTI_LINE_COMMENT, "/** [a][c] [b] zzz */", 3)
     ];
     List<CommentReference> references =
-        ParserTestCase.parse("parseCommentReferences", <Object>[tokens], "");
+        parse("parseCommentReferences", <Object>[tokens], "");
     expect(references, hasLength(1));
     CommentReference reference = references[0];
     expect(reference, isNotNull);
     expect(reference.identifier, isNotNull);
     expect(reference.offset, 15);
   }
 
   void test_parseCompilationUnit_abstractAsPrefix_parameterized() {
-    CompilationUnit unit = ParserTestCase.parse4("parseCompilationUnit",
+    CompilationUnit unit = parse4("parseCompilationUnit",
         "abstract<dynamic> _abstract = new abstract.A();");
     expect(unit.scriptTag, isNull);
     expect(unit.directives, hasLength(0));
     expect(unit.declarations, hasLength(1));
   }
 
   void test_parseCompilationUnit_builtIn_asFunctionName() {
-    ParserTestCase.parse4("parseCompilationUnit", "abstract(x) => 0;");
-    ParserTestCase.parse4("parseCompilationUnit", "as(x) => 0;");
-    ParserTestCase.parse4("parseCompilationUnit", "dynamic(x) => 0;");
-    ParserTestCase.parse4("parseCompilationUnit", "export(x) => 0;");
-    ParserTestCase.parse4("parseCompilationUnit", "external(x) => 0;");
-    ParserTestCase.parse4("parseCompilationUnit", "factory(x) => 0;");
-    ParserTestCase.parse4("parseCompilationUnit", "get(x) => 0;");
-    ParserTestCase.parse4("parseCompilationUnit", "implements(x) => 0;");
-    ParserTestCase.parse4("parseCompilationUnit", "import(x) => 0;");
-    ParserTestCase.parse4("parseCompilationUnit", "library(x) => 0;");
-    ParserTestCase.parse4("parseCompilationUnit", "operator(x) => 0;");
-    ParserTestCase.parse4("parseCompilationUnit", "part(x) => 0;");
-    ParserTestCase.parse4("parseCompilationUnit", "set(x) => 0;");
-    ParserTestCase.parse4("parseCompilationUnit", "static(x) => 0;");
-    ParserTestCase.parse4("parseCompilationUnit", "typedef(x) => 0;");
+    parse4("parseCompilationUnit", "abstract(x) => 0;");
+    parse4("parseCompilationUnit", "as(x) => 0;");
+    parse4("parseCompilationUnit", "dynamic(x) => 0;");
+    parse4("parseCompilationUnit", "export(x) => 0;");
+    parse4("parseCompilationUnit", "external(x) => 0;");
+    parse4("parseCompilationUnit", "factory(x) => 0;");
+    parse4("parseCompilationUnit", "get(x) => 0;");
+    parse4("parseCompilationUnit", "implements(x) => 0;");
+    parse4("parseCompilationUnit", "import(x) => 0;");
+    parse4("parseCompilationUnit", "library(x) => 0;");
+    parse4("parseCompilationUnit", "operator(x) => 0;");
+    parse4("parseCompilationUnit", "part(x) => 0;");
+    parse4("parseCompilationUnit", "set(x) => 0;");
+    parse4("parseCompilationUnit", "static(x) => 0;");
+    parse4("parseCompilationUnit", "typedef(x) => 0;");
   }
 
   void test_parseCompilationUnit_directives_multiple() {
-    CompilationUnit unit = ParserTestCase.parse4(
-        "parseCompilationUnit", "library l;\npart 'a.dart';");
+    CompilationUnit unit =
+        parse4("parseCompilationUnit", "library l;\npart 'a.dart';");
     expect(unit.scriptTag, isNull);
     expect(unit.directives, hasLength(2));
     expect(unit.declarations, hasLength(0));
   }
 
   void test_parseCompilationUnit_directives_single() {
-    CompilationUnit unit =
-        ParserTestCase.parse4("parseCompilationUnit", "library l;");
+    CompilationUnit unit = parse4("parseCompilationUnit", "library l;");
     expect(unit.scriptTag, isNull);
     expect(unit.directives, hasLength(1));
     expect(unit.declarations, hasLength(0));
   }
 
   void test_parseCompilationUnit_empty() {
-    CompilationUnit unit = ParserTestCase.parse4("parseCompilationUnit", "");
+    CompilationUnit unit = parse4("parseCompilationUnit", "");
     expect(unit.scriptTag, isNull);
     expect(unit.directives, hasLength(0));
     expect(unit.declarations, hasLength(0));
   }
 
   void test_parseCompilationUnit_exportAsPrefix() {
-    CompilationUnit unit = ParserTestCase.parse4(
-        "parseCompilationUnit", "export.A _export = new export.A();");
+    CompilationUnit unit =
+        parse4("parseCompilationUnit", "export.A _export = new export.A();");
     expect(unit.scriptTag, isNull);
     expect(unit.directives, hasLength(0));
     expect(unit.declarations, hasLength(1));
   }
 
   void test_parseCompilationUnit_exportAsPrefix_parameterized() {
-    CompilationUnit unit = ParserTestCase.parse4(
+    CompilationUnit unit = parse4(
         "parseCompilationUnit", "export<dynamic> _export = new export.A();");
     expect(unit.scriptTag, isNull);
     expect(unit.directives, hasLength(0));
     expect(unit.declarations, hasLength(1));
   }
 
   void test_parseCompilationUnit_operatorAsPrefix_parameterized() {
-    CompilationUnit unit = ParserTestCase.parse4("parseCompilationUnit",
+    CompilationUnit unit = parse4("parseCompilationUnit",
         "operator<dynamic> _operator = new operator.A();");
     expect(unit.scriptTag, isNull);
     expect(unit.directives, hasLength(0));
     expect(unit.declarations, hasLength(1));
   }
 
   void test_parseCompilationUnit_script() {
-    CompilationUnit unit =
-        ParserTestCase.parse4("parseCompilationUnit", "#! /bin/dart");
+    CompilationUnit unit = parse4("parseCompilationUnit", "#! /bin/dart");
     expect(unit.scriptTag, isNotNull);
     expect(unit.directives, hasLength(0));
     expect(unit.declarations, hasLength(0));
   }
 
   void test_parseCompilationUnit_skipFunctionBody_withInterpolation() {
     ParserTestCase.parseFunctionBodies = false;
-    CompilationUnit unit =
-        ParserTestCase.parse4("parseCompilationUnit", "f() { '\${n}'; }");
+    CompilationUnit unit = parse4("parseCompilationUnit", "f() { '\${n}'; }");
     expect(unit.scriptTag, isNull);
     expect(unit.declarations, hasLength(1));
   }
 
   void test_parseCompilationUnit_topLevelDeclaration() {
-    CompilationUnit unit =
-        ParserTestCase.parse4("parseCompilationUnit", "class A {}");
+    CompilationUnit unit = parse4("parseCompilationUnit", "class A {}");
     expect(unit.scriptTag, isNull);
     expect(unit.directives, hasLength(0));
     expect(unit.declarations, hasLength(1));
   }
 
   void test_parseCompilationUnit_typedefAsPrefix() {
-    CompilationUnit unit = ParserTestCase.parse4(
-        "parseCompilationUnit", "typedef.A _typedef = new typedef.A();");
+    CompilationUnit unit =
+        parse4("parseCompilationUnit", "typedef.A _typedef = new typedef.A();");
     expect(unit.scriptTag, isNull);
     expect(unit.directives, hasLength(0));
     expect(unit.declarations, hasLength(1));
   }
 
   void test_parseCompilationUnitMember_abstractAsPrefix() {
-    TopLevelVariableDeclaration declaration = ParserTestCase.parse(
-        "parseCompilationUnitMember", <Object>[
-      emptyCommentAndMetadata()
-    ], "abstract.A _abstract = new abstract.A();");
+    TopLevelVariableDeclaration declaration = parse(
+        "parseCompilationUnitMember", <Object>[emptyCommentAndMetadata()],
+        "abstract.A _abstract = new abstract.A();");
     expect(declaration.semicolon, isNotNull);
     expect(declaration.variables, isNotNull);
   }
 
   void test_parseCompilationUnitMember_class() {
-    ClassDeclaration declaration = ParserTestCase.parse(
-        "parseCompilationUnitMember", <Object>[
-      emptyCommentAndMetadata()
-    ], "class A {}");
+    ClassDeclaration declaration = parse("parseCompilationUnitMember",
+        <Object>[emptyCommentAndMetadata()], "class A {}");
     expect(declaration.name.name, "A");
     expect(declaration.members, hasLength(0));
   }
 
   void test_parseCompilationUnitMember_classTypeAlias() {
-    ClassTypeAlias alias = ParserTestCase.parse("parseCompilationUnitMember",
+    ClassTypeAlias alias = parse("parseCompilationUnitMember",
         <Object>[emptyCommentAndMetadata()], "abstract class A = B with C;");
     expect(alias.name.name, "A");
     expect(alias.abstractKeyword, isNotNull);
   }
 
   void test_parseCompilationUnitMember_constVariable() {
-    TopLevelVariableDeclaration declaration = ParserTestCase.parse(
-        "parseCompilationUnitMember", <Object>[
-      emptyCommentAndMetadata()
-    ], "const int x = 0;");
+    TopLevelVariableDeclaration declaration = parse(
+        "parseCompilationUnitMember", <Object>[emptyCommentAndMetadata()],
+        "const int x = 0;");
     expect(declaration.semicolon, isNotNull);
     expect(declaration.variables, isNotNull);
   }
 
   void test_parseCompilationUnitMember_finalVariable() {
-    TopLevelVariableDeclaration declaration = ParserTestCase.parse(
-        "parseCompilationUnitMember", <Object>[
-      emptyCommentAndMetadata()
-    ], "final x = 0;");
+    TopLevelVariableDeclaration declaration = parse(
+        "parseCompilationUnitMember", <Object>[emptyCommentAndMetadata()],
+        "final x = 0;");
     expect(declaration.semicolon, isNotNull);
     expect(declaration.variables, isNotNull);
   }
 
   void test_parseCompilationUnitMember_function_external_noType() {
-    FunctionDeclaration declaration = ParserTestCase.parse(
-        "parseCompilationUnitMember", <Object>[
-      emptyCommentAndMetadata()
-    ], "external f();");
+    FunctionDeclaration declaration = parse("parseCompilationUnitMember",
+        <Object>[emptyCommentAndMetadata()], "external f();");
     expect(declaration.externalKeyword, isNotNull);
     expect(declaration.functionExpression, isNotNull);
     expect(declaration.propertyKeyword, isNull);
   }
 
   void test_parseCompilationUnitMember_function_external_type() {
-    FunctionDeclaration declaration = ParserTestCase.parse(
-        "parseCompilationUnitMember", <Object>[
-      emptyCommentAndMetadata()
-    ], "external int f();");
+    FunctionDeclaration declaration = parse("parseCompilationUnitMember",
+        <Object>[emptyCommentAndMetadata()], "external int f();");
     expect(declaration.externalKeyword, isNotNull);
     expect(declaration.functionExpression, isNotNull);
     expect(declaration.propertyKeyword, isNull);
   }
 
   void test_parseCompilationUnitMember_function_noType() {
-    FunctionDeclaration declaration = ParserTestCase.parse(
-        "parseCompilationUnitMember", <Object>[
-      emptyCommentAndMetadata()
-    ], "f() {}");
+    FunctionDeclaration declaration = parse("parseCompilationUnitMember",
+        <Object>[emptyCommentAndMetadata()], "f() {}");
     expect(declaration.functionExpression, isNotNull);
     expect(declaration.propertyKeyword, isNull);
   }
 
   void test_parseCompilationUnitMember_function_type() {
-    FunctionDeclaration declaration = ParserTestCase.parse(
-        "parseCompilationUnitMember", <Object>[
-      emptyCommentAndMetadata()
-    ], "int f() {}");
+    FunctionDeclaration declaration = parse("parseCompilationUnitMember",
+        <Object>[emptyCommentAndMetadata()], "int f() {}");
     expect(declaration.functionExpression, isNotNull);
     expect(declaration.propertyKeyword, isNull);
   }
 
   void test_parseCompilationUnitMember_function_void() {
-    FunctionDeclaration declaration = ParserTestCase.parse(
-        "parseCompilationUnitMember", <Object>[
-      emptyCommentAndMetadata()
-    ], "void f() {}");
+    FunctionDeclaration declaration = parse("parseCompilationUnitMember",
+        <Object>[emptyCommentAndMetadata()], "void f() {}");
     expect(declaration.returnType, isNotNull);
   }
 
   void test_parseCompilationUnitMember_getter_external_noType() {
-    FunctionDeclaration declaration = ParserTestCase.parse(
-        "parseCompilationUnitMember", <Object>[
-      emptyCommentAndMetadata()
-    ], "external get p;");
+    FunctionDeclaration declaration = parse("parseCompilationUnitMember",
+        <Object>[emptyCommentAndMetadata()], "external get p;");
     expect(declaration.externalKeyword, isNotNull);
     expect(declaration.functionExpression, isNotNull);
     expect(declaration.propertyKeyword, isNotNull);
   }
 
   void test_parseCompilationUnitMember_getter_external_type() {
-    FunctionDeclaration declaration = ParserTestCase.parse(
-        "parseCompilationUnitMember", <Object>[
-      emptyCommentAndMetadata()
-    ], "external int get p;");
+    FunctionDeclaration declaration = parse("parseCompilationUnitMember",
+        <Object>[emptyCommentAndMetadata()], "external int get p;");
     expect(declaration.externalKeyword, isNotNull);
     expect(declaration.functionExpression, isNotNull);
     expect(declaration.propertyKeyword, isNotNull);
   }
 
   void test_parseCompilationUnitMember_getter_noType() {
-    FunctionDeclaration declaration = ParserTestCase.parse(
-        "parseCompilationUnitMember", <Object>[
-      emptyCommentAndMetadata()
-    ], "get p => 0;");
+    FunctionDeclaration declaration = parse("parseCompilationUnitMember",
+        <Object>[emptyCommentAndMetadata()], "get p => 0;");
     expect(declaration.functionExpression, isNotNull);
     expect(declaration.propertyKeyword, isNotNull);
   }
 
   void test_parseCompilationUnitMember_getter_type() {
-    FunctionDeclaration declaration = ParserTestCase.parse(
-        "parseCompilationUnitMember", <Object>[
-      emptyCommentAndMetadata()
-    ], "int get p => 0;");
+    FunctionDeclaration declaration = parse("parseCompilationUnitMember",
+        <Object>[emptyCommentAndMetadata()], "int get p => 0;");
     expect(declaration.functionExpression, isNotNull);
     expect(declaration.propertyKeyword, isNotNull);
   }
 
   void test_parseCompilationUnitMember_setter_external_noType() {
-    FunctionDeclaration declaration = ParserTestCase.parse(
-        "parseCompilationUnitMember", <Object>[
-      emptyCommentAndMetadata()
-    ], "external set p(v);");
+    FunctionDeclaration declaration = parse("parseCompilationUnitMember",
+        <Object>[emptyCommentAndMetadata()], "external set p(v);");
     expect(declaration.externalKeyword, isNotNull);
     expect(declaration.functionExpression, isNotNull);
     expect(declaration.propertyKeyword, isNotNull);
   }
 
   void test_parseCompilationUnitMember_setter_external_type() {
-    FunctionDeclaration declaration = ParserTestCase.parse(
-        "parseCompilationUnitMember", <Object>[
-      emptyCommentAndMetadata()
-    ], "external void set p(int v);");
+    FunctionDeclaration declaration = parse("parseCompilationUnitMember",
+        <Object>[emptyCommentAndMetadata()], "external void set p(int v);");
     expect(declaration.externalKeyword, isNotNull);
     expect(declaration.functionExpression, isNotNull);
     expect(declaration.propertyKeyword, isNotNull);
   }
 
   void test_parseCompilationUnitMember_setter_noType() {
-    FunctionDeclaration declaration = ParserTestCase.parse(
-        "parseCompilationUnitMember", <Object>[
-      emptyCommentAndMetadata()
-    ], "set p(v) {}");
+    FunctionDeclaration declaration = parse("parseCompilationUnitMember",
+        <Object>[emptyCommentAndMetadata()], "set p(v) {}");
     expect(declaration.functionExpression, isNotNull);
     expect(declaration.propertyKeyword, isNotNull);
   }
 
   void test_parseCompilationUnitMember_setter_type() {
-    FunctionDeclaration declaration = ParserTestCase.parse(
-        "parseCompilationUnitMember", <Object>[
-      emptyCommentAndMetadata()
-    ], "void set p(int v) {}");
+    FunctionDeclaration declaration = parse("parseCompilationUnitMember",
+        <Object>[emptyCommentAndMetadata()], "void set p(int v) {}");
     expect(declaration.functionExpression, isNotNull);
     expect(declaration.propertyKeyword, isNotNull);
     expect(declaration.returnType, isNotNull);
   }
 
   void test_parseCompilationUnitMember_typeAlias_abstract() {
-    ClassTypeAlias typeAlias = ParserTestCase.parse(
-        "parseCompilationUnitMember", <Object>[
-      emptyCommentAndMetadata()
-    ], "abstract class C = S with M;");
+    ClassTypeAlias typeAlias = parse("parseCompilationUnitMember",
+        <Object>[emptyCommentAndMetadata()], "abstract class C = S with M;");
     expect(typeAlias.typedefKeyword, isNotNull);
     expect(typeAlias.name.name, "C");
     expect(typeAlias.typeParameters, isNull);
     expect(typeAlias.equals, isNotNull);
     expect(typeAlias.abstractKeyword, isNotNull);
     expect(typeAlias.superclass.name.name, "S");
     expect(typeAlias.withClause, isNotNull);
     expect(typeAlias.implementsClause, isNull);
     expect(typeAlias.semicolon, isNotNull);
   }
 
   void test_parseCompilationUnitMember_typeAlias_generic() {
-    ClassTypeAlias typeAlias = ParserTestCase.parse(
-        "parseCompilationUnitMember", <Object>[
-      emptyCommentAndMetadata()
-    ], "class C<E> = S<E> with M<E> implements I<E>;");
+    ClassTypeAlias typeAlias = parse("parseCompilationUnitMember",
+        <Object>[emptyCommentAndMetadata()],
+        "class C<E> = S<E> with M<E> implements I<E>;");
     expect(typeAlias.typedefKeyword, isNotNull);
     expect(typeAlias.name.name, "C");
     expect(typeAlias.typeParameters.typeParameters, hasLength(1));
     expect(typeAlias.equals, isNotNull);
     expect(typeAlias.abstractKeyword, isNull);
     expect(typeAlias.superclass.name.name, "S");
     expect(typeAlias.withClause, isNotNull);
     expect(typeAlias.implementsClause, isNotNull);
     expect(typeAlias.semicolon, isNotNull);
   }
 
   void test_parseCompilationUnitMember_typeAlias_implements() {
-    ClassTypeAlias typeAlias = ParserTestCase.parse(
-        "parseCompilationUnitMember", <Object>[
-      emptyCommentAndMetadata()
-    ], "class C = S with M implements I;");
+    ClassTypeAlias typeAlias = parse("parseCompilationUnitMember",
+        <Object>[emptyCommentAndMetadata()],
+        "class C = S with M implements I;");
     expect(typeAlias.typedefKeyword, isNotNull);
     expect(typeAlias.name.name, "C");
     expect(typeAlias.typeParameters, isNull);
     expect(typeAlias.equals, isNotNull);
     expect(typeAlias.abstractKeyword, isNull);
     expect(typeAlias.superclass.name.name, "S");
     expect(typeAlias.withClause, isNotNull);
     expect(typeAlias.implementsClause, isNotNull);
     expect(typeAlias.semicolon, isNotNull);
   }
 
   void test_parseCompilationUnitMember_typeAlias_noImplements() {
-    ClassTypeAlias typeAlias = ParserTestCase.parse(
-        "parseCompilationUnitMember", <Object>[
-      emptyCommentAndMetadata()
-    ], "class C = S with M;");
+    ClassTypeAlias typeAlias = parse("parseCompilationUnitMember",
+        <Object>[emptyCommentAndMetadata()], "class C = S with M;");
     expect(typeAlias.typedefKeyword, isNotNull);
     expect(typeAlias.name.name, "C");
     expect(typeAlias.typeParameters, isNull);
     expect(typeAlias.equals, isNotNull);
     expect(typeAlias.abstractKeyword, isNull);
     expect(typeAlias.superclass.name.name, "S");
     expect(typeAlias.withClause, isNotNull);
     expect(typeAlias.implementsClause, isNull);
     expect(typeAlias.semicolon, isNotNull);
   }
 
   void test_parseCompilationUnitMember_typedef() {
-    FunctionTypeAlias typeAlias = ParserTestCase.parse(
-        "parseCompilationUnitMember", <Object>[
-      emptyCommentAndMetadata()
-    ], "typedef F();");
+    FunctionTypeAlias typeAlias = parse("parseCompilationUnitMember",
+        <Object>[emptyCommentAndMetadata()], "typedef F();");
     expect(typeAlias.name.name, "F");
     expect(typeAlias.parameters.parameters, hasLength(0));
   }
 
   void test_parseCompilationUnitMember_variable() {
-    TopLevelVariableDeclaration declaration = ParserTestCase.parse(
-        "parseCompilationUnitMember", <Object>[
-      emptyCommentAndMetadata()
-    ], "var x = 0;");
+    TopLevelVariableDeclaration declaration = parse(
+        "parseCompilationUnitMember", <Object>[emptyCommentAndMetadata()],
+        "var x = 0;");
     expect(declaration.semicolon, isNotNull);
     expect(declaration.variables, isNotNull);
   }
 
   void test_parseCompilationUnitMember_variableGet() {
-    TopLevelVariableDeclaration declaration = ParserTestCase.parse(
-        "parseCompilationUnitMember", <Object>[
-      emptyCommentAndMetadata()
-    ], "String get = null;");
+    TopLevelVariableDeclaration declaration = parse(
+        "parseCompilationUnitMember", <Object>[emptyCommentAndMetadata()],
+        "String get = null;");
     expect(declaration.semicolon, isNotNull);
     expect(declaration.variables, isNotNull);
   }
 
   void test_parseCompilationUnitMember_variableSet() {
-    TopLevelVariableDeclaration declaration = ParserTestCase.parse(
-        "parseCompilationUnitMember", <Object>[
-      emptyCommentAndMetadata()
-    ], "String set = null;");
+    TopLevelVariableDeclaration declaration = parse(
+        "parseCompilationUnitMember", <Object>[emptyCommentAndMetadata()],
+        "String set = null;");
     expect(declaration.semicolon, isNotNull);
     expect(declaration.variables, isNotNull);
   }
 
   void test_parseConditionalExpression() {
     ConditionalExpression expression =
-        ParserTestCase.parse4("parseConditionalExpression", "x ? y : z");
+        parse4("parseConditionalExpression", "x ? y : z");
     expect(expression.condition, isNotNull);
     expect(expression.question, isNotNull);
     expect(expression.thenExpression, isNotNull);
     expect(expression.colon, isNotNull);
     expect(expression.elseExpression, isNotNull);
   }
 
   void test_parseConstExpression_instanceCreation() {
     InstanceCreationExpression expression =
-        ParserTestCase.parse4("parseConstExpression", "const A()");
+        parse4("parseConstExpression", "const A()");
     expect(expression.keyword, isNotNull);
     ConstructorName name = expression.constructorName;
     expect(name, isNotNull);
     expect(name.type, isNotNull);
     expect(name.period, isNull);
     expect(name.name, isNull);
     expect(expression.argumentList, isNotNull);
   }
 
   void test_parseConstExpression_listLiteral_typed() {
-    ListLiteral literal =
-        ParserTestCase.parse4("parseConstExpression", "const <A> []");
+    ListLiteral literal = parse4("parseConstExpression", "const <A> []");
     expect(literal.constKeyword, isNotNull);
     expect(literal.typeArguments, isNotNull);
     expect(literal.leftBracket, isNotNull);
     expect(literal.elements, hasLength(0));
     expect(literal.rightBracket, isNotNull);
   }
 
   void test_parseConstExpression_listLiteral_untyped() {
-    ListLiteral literal =
-        ParserTestCase.parse4("parseConstExpression", "const []");
+    ListLiteral literal = parse4("parseConstExpression", "const []");
     expect(literal.constKeyword, isNotNull);
     expect(literal.typeArguments, isNull);
     expect(literal.leftBracket, isNotNull);
     expect(literal.elements, hasLength(0));
     expect(literal.rightBracket, isNotNull);
   }
 
   void test_parseConstExpression_mapLiteral_typed() {
-    MapLiteral literal =
-        ParserTestCase.parse4("parseConstExpression", "const <A, B> {}");
+    MapLiteral literal = parse4("parseConstExpression", "const <A, B> {}");
     expect(literal.leftBracket, isNotNull);
     expect(literal.entries, hasLength(0));
     expect(literal.rightBracket, isNotNull);
     expect(literal.typeArguments, isNotNull);
   }
 
   void test_parseConstExpression_mapLiteral_untyped() {
-    MapLiteral literal =
-        ParserTestCase.parse4("parseConstExpression", "const {}");
+    MapLiteral literal = parse4("parseConstExpression", "const {}");
     expect(literal.leftBracket, isNotNull);
     expect(literal.entries, hasLength(0));
     expect(literal.rightBracket, isNotNull);
     expect(literal.typeArguments, isNull);
   }
 
   void test_parseConstructor() {
     // TODO(brianwilkerson) Implement tests for this method.
 //    parse("parseConstructor", new Class[] {Parser.CommentAndMetadata.class,
 //        Token.class, Token.class, SimpleIdentifier.class, Token.class,
 //        SimpleIdentifier.class, FormalParameterList.class}, new Object[] {emptyCommentAndMetadata(),
 //        null, null, null, null, null, null}, "");
   }
 
   void test_parseConstructor_with_pseudo_function_literal() {
     // "(b) {}" should not be misinterpreted as a function literal even though
     // it looks like one.
-    ClassMember classMember = ParserTestCase.parse(
-        "parseClassMember", <Object>["C"], "C() : a = (b) {}");
+    ClassMember classMember =
+        parse("parseClassMember", <Object>["C"], "C() : a = (b) {}");
     EngineTestCase.assertInstanceOf((obj) => obj is ConstructorDeclaration,
         ConstructorDeclaration, classMember);
     ConstructorDeclaration constructor = classMember as ConstructorDeclaration;
     NodeList<ConstructorInitializer> initializers = constructor.initializers;
     expect(initializers, hasLength(1));
     ConstructorInitializer initializer = initializers[0];
     EngineTestCase.assertInstanceOf((obj) => obj is ConstructorFieldInitializer,
         ConstructorFieldInitializer, initializer);
     EngineTestCase.assertInstanceOf((obj) => obj is ParenthesizedExpression,
         ParenthesizedExpression,
         (initializer as ConstructorFieldInitializer).expression);
     EngineTestCase.assertInstanceOf(
         (obj) => obj is BlockFunctionBody, BlockFunctionBody, constructor.body);
   }
 
   void test_parseConstructorFieldInitializer_qualified() {
     ConstructorFieldInitializer invocation =
-        ParserTestCase.parse4("parseConstructorFieldInitializer", "this.a = b");
+        parse4("parseConstructorFieldInitializer", "this.a = b");
     expect(invocation.equals, isNotNull);
     expect(invocation.expression, isNotNull);
     expect(invocation.fieldName, isNotNull);
     expect(invocation.thisKeyword, isNotNull);
     expect(invocation.period, isNotNull);
   }
 
   void test_parseConstructorFieldInitializer_unqualified() {
     ConstructorFieldInitializer invocation =
-        ParserTestCase.parse4("parseConstructorFieldInitializer", "a = b");
+        parse4("parseConstructorFieldInitializer", "a = b");
     expect(invocation.equals, isNotNull);
     expect(invocation.expression, isNotNull);
     expect(invocation.fieldName, isNotNull);
     expect(invocation.thisKeyword, isNull);
     expect(invocation.period, isNull);
   }
 
   void test_parseConstructorName_named_noPrefix() {
-    ConstructorName name =
-        ParserTestCase.parse4("parseConstructorName", "A.n;");
+    ConstructorName name = parse4("parseConstructorName", "A.n;");
     expect(name.type, isNotNull);
     expect(name.period, isNull);
     expect(name.name, isNull);
   }
 
   void test_parseConstructorName_named_prefixed() {
-    ConstructorName name =
-        ParserTestCase.parse4("parseConstructorName", "p.A.n;");
+    ConstructorName name = parse4("parseConstructorName", "p.A.n;");
     expect(name.type, isNotNull);
     expect(name.period, isNotNull);
     expect(name.name, isNotNull);
   }
 
   void test_parseConstructorName_unnamed_noPrefix() {
-    ConstructorName name = ParserTestCase.parse4("parseConstructorName", "A;");
+    ConstructorName name = parse4("parseConstructorName", "A;");
     expect(name.type, isNotNull);
     expect(name.period, isNull);
     expect(name.name, isNull);
   }
 
   void test_parseConstructorName_unnamed_prefixed() {
-    ConstructorName name =
-        ParserTestCase.parse4("parseConstructorName", "p.A;");
+    ConstructorName name = parse4("parseConstructorName", "p.A;");
     expect(name.type, isNotNull);
     expect(name.period, isNull);
     expect(name.name, isNull);
   }
 
   void test_parseContinueStatement_label() {
-    ContinueStatement statement = ParserTestCase.parse4(
-        "parseContinueStatement", "continue foo;", [
-      ParserErrorCode.CONTINUE_OUTSIDE_OF_LOOP
-    ]);
+    ContinueStatement statement = parse4("parseContinueStatement",
+        "continue foo;", [ParserErrorCode.CONTINUE_OUTSIDE_OF_LOOP]);
     expect(statement.continueKeyword, isNotNull);
     expect(statement.label, isNotNull);
     expect(statement.semicolon, isNotNull);
   }
 
   void test_parseContinueStatement_noLabel() {
-    ContinueStatement statement = ParserTestCase.parse4(
-        "parseContinueStatement", "continue;", [
-      ParserErrorCode.CONTINUE_OUTSIDE_OF_LOOP
-    ]);
+    ContinueStatement statement = parse4("parseContinueStatement", "continue;",
+        [ParserErrorCode.CONTINUE_OUTSIDE_OF_LOOP]);
     expect(statement.continueKeyword, isNotNull);
     expect(statement.label, isNull);
     expect(statement.semicolon, isNotNull);
   }
 
   void test_parseDirective_export() {
-    ExportDirective directive = ParserTestCase.parse("parseDirective", <Object>[
-      emptyCommentAndMetadata()
-    ], "export 'lib/lib.dart';");
+    ExportDirective directive = parse("parseDirective",
+        <Object>[emptyCommentAndMetadata()], "export 'lib/lib.dart';");
     expect(directive.keyword, isNotNull);
     expect(directive.uri, isNotNull);
     expect(directive.combinators, hasLength(0));
     expect(directive.semicolon, isNotNull);
   }
 
   void test_parseDirective_import() {
-    ImportDirective directive = ParserTestCase.parse("parseDirective", <Object>[
-      emptyCommentAndMetadata()
-    ], "import 'lib/lib.dart';");
+    ImportDirective directive = parse("parseDirective",
+        <Object>[emptyCommentAndMetadata()], "import 'lib/lib.dart';");
     expect(directive.keyword, isNotNull);
     expect(directive.uri, isNotNull);
     expect(directive.asKeyword, isNull);
     expect(directive.prefix, isNull);
     expect(directive.combinators, hasLength(0));
     expect(directive.semicolon, isNotNull);
   }
 
   void test_parseDirective_library() {
-    LibraryDirective directive = ParserTestCase.parse(
+    LibraryDirective directive = parse(
         "parseDirective", <Object>[emptyCommentAndMetadata()], "library l;");
     expect(directive.libraryKeyword, isNotNull);
     expect(directive.name, isNotNull);
     expect(directive.semicolon, isNotNull);
   }
 
   void test_parseDirective_part() {
-    PartDirective directive = ParserTestCase.parse("parseDirective", <Object>[
-      emptyCommentAndMetadata()
-    ], "part 'lib/lib.dart';");
+    PartDirective directive = parse("parseDirective",
+        <Object>[emptyCommentAndMetadata()], "part 'lib/lib.dart';");
     expect(directive.partKeyword, isNotNull);
     expect(directive.uri, isNotNull);
     expect(directive.semicolon, isNotNull);
   }
 
   void test_parseDirective_partOf() {
-    PartOfDirective directive = ParserTestCase.parse(
+    PartOfDirective directive = parse(
         "parseDirective", <Object>[emptyCommentAndMetadata()], "part of l;");
     expect(directive.partKeyword, isNotNull);
     expect(directive.ofKeyword, isNotNull);
     expect(directive.libraryName, isNotNull);
     expect(directive.semicolon, isNotNull);
   }
 
   void test_parseDirectives_complete() {
     CompilationUnit unit =
         _parseDirectives("#! /bin/dart\nlibrary l;\nclass A {}");
@@ skipping 32 matching lines @@
     expect(unit.directives, hasLength(1));
   }
 
   void test_parseDirectives_topLevelDeclaration() {
     CompilationUnit unit = _parseDirectives("class A {}");
     expect(unit.scriptTag, isNull);
     expect(unit.directives, hasLength(0));
   }
 
   void test_parseDocumentationComment_block() {
-    Comment comment =
-        ParserTestCase.parse4("parseDocumentationComment", "/** */ class");
+    Comment comment = parse4("parseDocumentationComment", "/** */ class");
     expect(comment.isBlock, isFalse);
     expect(comment.isDocumentation, isTrue);
     expect(comment.isEndOfLine, isFalse);
   }
 
   void test_parseDocumentationComment_block_withReference() {
-    Comment comment =
-        ParserTestCase.parse4("parseDocumentationComment", "/** [a] */ class");
+    Comment comment = parse4("parseDocumentationComment", "/** [a] */ class");
     expect(comment.isBlock, isFalse);
     expect(comment.isDocumentation, isTrue);
     expect(comment.isEndOfLine, isFalse);
     NodeList<CommentReference> references = comment.references;
     expect(references, hasLength(1));
     CommentReference reference = references[0];
     expect(reference, isNotNull);
     expect(reference.offset, 5);
   }
 
   void test_parseDocumentationComment_endOfLine() {
-    Comment comment = ParserTestCase.parse4(
-        "parseDocumentationComment", "/// \n/// \n class");
+    Comment comment = parse4("parseDocumentationComment", "/// \n/// \n class");
     expect(comment.isBlock, isFalse);
     expect(comment.isDocumentation, isTrue);
     expect(comment.isEndOfLine, isFalse);
   }
 
   void test_parseDoStatement() {
-    DoStatement statement =
-        ParserTestCase.parse4("parseDoStatement", "do {} while (x);");
+    DoStatement statement = parse4("parseDoStatement", "do {} while (x);");
     expect(statement.doKeyword, isNotNull);
     expect(statement.body, isNotNull);
     expect(statement.whileKeyword, isNotNull);
     expect(statement.leftParenthesis, isNotNull);
     expect(statement.condition, isNotNull);
     expect(statement.rightParenthesis, isNotNull);
     expect(statement.semicolon, isNotNull);
   }
 
   void test_parseEmptyStatement() {
-    EmptyStatement statement =
-        ParserTestCase.parse4("parseEmptyStatement", ";");
+    EmptyStatement statement = parse4("parseEmptyStatement", ";");
     expect(statement.semicolon, isNotNull);
   }
 
   void test_parseEnumDeclaration_one() {
-    EnumDeclaration declaration = ParserTestCase.parse("parseEnumDeclaration",
+    EnumDeclaration declaration = parse("parseEnumDeclaration",
         <Object>[emptyCommentAndMetadata()], "enum E {ONE}");
     expect(declaration.documentationComment, isNull);
     expect(declaration.enumKeyword, isNotNull);
     expect(declaration.leftBracket, isNotNull);
     expect(declaration.name, isNotNull);
     expect(declaration.constants, hasLength(1));
     expect(declaration.rightBracket, isNotNull);
   }
 
   void test_parseEnumDeclaration_trailingComma() {
-    EnumDeclaration declaration = ParserTestCase.parse("parseEnumDeclaration",
+    EnumDeclaration declaration = parse("parseEnumDeclaration",
         <Object>[emptyCommentAndMetadata()], "enum E {ONE,}");
     expect(declaration.documentationComment, isNull);
     expect(declaration.enumKeyword, isNotNull);
     expect(declaration.leftBracket, isNotNull);
     expect(declaration.name, isNotNull);
     expect(declaration.constants, hasLength(1));
     expect(declaration.rightBracket, isNotNull);
   }
 
   void test_parseEnumDeclaration_two() {
-    EnumDeclaration declaration = ParserTestCase.parse("parseEnumDeclaration",
+    EnumDeclaration declaration = parse("parseEnumDeclaration",
         <Object>[emptyCommentAndMetadata()], "enum E {ONE, TWO}");
     expect(declaration.documentationComment, isNull);
     expect(declaration.enumKeyword, isNotNull);
     expect(declaration.leftBracket, isNotNull);
     expect(declaration.name, isNotNull);
     expect(declaration.constants, hasLength(2));
     expect(declaration.rightBracket, isNotNull);
   }
 
   void test_parseEqualityExpression_normal() {
-    BinaryExpression expression =
-        ParserTestCase.parse4("parseEqualityExpression", "x == y");
+    BinaryExpression expression = parse4("parseEqualityExpression", "x == y");
     expect(expression.leftOperand, isNotNull);
     expect(expression.operator, isNotNull);
     expect(expression.operator.type, TokenType.EQ_EQ);
     expect(expression.rightOperand, isNotNull);
   }
 
   void test_parseEqualityExpression_super() {
     BinaryExpression expression =
-        ParserTestCase.parse4("parseEqualityExpression", "super == y");
+        parse4("parseEqualityExpression", "super == y");
     EngineTestCase.assertInstanceOf((obj) => obj is SuperExpression,
         SuperExpression, expression.leftOperand);
     expect(expression.operator, isNotNull);
     expect(expression.operator.type, TokenType.EQ_EQ);
     expect(expression.rightOperand, isNotNull);
   }
 
   void test_parseExportDirective_hide() {
-    ExportDirective directive = ParserTestCase.parse("parseExportDirective",
-        <Object>[
-      emptyCommentAndMetadata()
-    ], "export 'lib/lib.dart' hide A, B;");
+    ExportDirective directive = parse("parseExportDirective",
+        <Object>[emptyCommentAndMetadata()],
+        "export 'lib/lib.dart' hide A, B;");
     expect(directive.keyword, isNotNull);
     expect(directive.uri, isNotNull);
     expect(directive.combinators, hasLength(1));
     expect(directive.semicolon, isNotNull);
   }
 
   void test_parseExportDirective_hide_show() {
-    ExportDirective directive = ParserTestCase.parse("parseExportDirective",
-        <Object>[
-      emptyCommentAndMetadata()
-    ], "export 'lib/lib.dart' hide A show B;");
+    ExportDirective directive = parse("parseExportDirective",
+        <Object>[emptyCommentAndMetadata()],
+        "export 'lib/lib.dart' hide A show B;");
     expect(directive.keyword, isNotNull);
     expect(directive.uri, isNotNull);
     expect(directive.combinators, hasLength(2));
     expect(directive.semicolon, isNotNull);
   }
 
   void test_parseExportDirective_noCombinator() {
-    ExportDirective directive = ParserTestCase.parse("parseExportDirective",
+    ExportDirective directive = parse("parseExportDirective",
         <Object>[emptyCommentAndMetadata()], "export 'lib/lib.dart';");
     expect(directive.keyword, isNotNull);
     expect(directive.uri, isNotNull);
     expect(directive.combinators, hasLength(0));
     expect(directive.semicolon, isNotNull);
   }
 
   void test_parseExportDirective_show() {
-    ExportDirective directive = ParserTestCase.parse("parseExportDirective",
-        <Object>[
-      emptyCommentAndMetadata()
-    ], "export 'lib/lib.dart' show A, B;");
+    ExportDirective directive = parse("parseExportDirective",
+        <Object>[emptyCommentAndMetadata()],
+        "export 'lib/lib.dart' show A, B;");
     expect(directive.keyword, isNotNull);
     expect(directive.uri, isNotNull);
     expect(directive.combinators, hasLength(1));
     expect(directive.semicolon, isNotNull);
   }
 
   void test_parseExportDirective_show_hide() {
-    ExportDirective directive = ParserTestCase.parse("parseExportDirective",
-        <Object>[
-      emptyCommentAndMetadata()
-    ], "export 'lib/lib.dart' show B hide A;");
+    ExportDirective directive = parse("parseExportDirective",
+        <Object>[emptyCommentAndMetadata()],
+        "export 'lib/lib.dart' show B hide A;");
     expect(directive.keyword, isNotNull);
     expect(directive.uri, isNotNull);
     expect(directive.combinators, hasLength(2));
     expect(directive.semicolon, isNotNull);
   }
 
   void test_parseExpression_assign() {
     // TODO(brianwilkerson) Implement more tests for this method.
-    AssignmentExpression expression =
-        ParserTestCase.parse4("parseExpression", "x = y");
+    AssignmentExpression expression = parse4("parseExpression", "x = y");
     expect(expression.leftHandSide, isNotNull);
     expect(expression.operator, isNotNull);
     expect(expression.operator.type, TokenType.EQ);
     expect(expression.rightHandSide, isNotNull);
   }
 
   void test_parseExpression_comparison() {
-    BinaryExpression expression =
-        ParserTestCase.parse4("parseExpression", "--a.b == c");
+    BinaryExpression expression = parse4("parseExpression", "--a.b == c");
     expect(expression.leftOperand, isNotNull);
     expect(expression.operator, isNotNull);
     expect(expression.operator.type, TokenType.EQ_EQ);
     expect(expression.rightOperand, isNotNull);
   }
 
   void test_parseExpression_function_async() {
-    FunctionExpression expression =
-        ParserTestCase.parseExpression("() async {}");
+    FunctionExpression expression = parseExpression("() async {}");
     expect(expression.body, isNotNull);
     expect(expression.body.isAsynchronous, isTrue);
     expect(expression.body.isGenerator, isFalse);
     expect(expression.parameters, isNotNull);
   }
 
   void test_parseExpression_function_asyncStar() {
-    FunctionExpression expression =
-        ParserTestCase.parseExpression("() async* {}");
+    FunctionExpression expression = parseExpression("() async* {}");
     expect(expression.body, isNotNull);
     expect(expression.body.isAsynchronous, isTrue);
     expect(expression.body.isGenerator, isTrue);
     expect(expression.parameters, isNotNull);
   }
 
   void test_parseExpression_function_sync() {
-    FunctionExpression expression = ParserTestCase.parseExpression("() {}");
+    FunctionExpression expression = parseExpression("() {}");
     expect(expression.body, isNotNull);
     expect(expression.body.isAsynchronous, isFalse);
     expect(expression.body.isGenerator, isFalse);
     expect(expression.parameters, isNotNull);
   }
 
   void test_parseExpression_function_syncStar() {
-    FunctionExpression expression =
-        ParserTestCase.parseExpression("() sync* {}");
+    FunctionExpression expression = parseExpression("() sync* {}");
     expect(expression.body, isNotNull);
     expect(expression.body.isAsynchronous, isFalse);
     expect(expression.body.isGenerator, isTrue);
     expect(expression.parameters, isNotNull);
   }
 
   void test_parseExpression_invokeFunctionExpression() {
     FunctionExpressionInvocation invocation =
-        ParserTestCase.parse4("parseExpression", "(a) {return a + a;} (3)");
+        parse4("parseExpression", "(a) {return a + a;} (3)");
     EngineTestCase.assertInstanceOf((obj) => obj is FunctionExpression,
         FunctionExpression, invocation.function);
     FunctionExpression expression = invocation.function as FunctionExpression;
     expect(expression.parameters, isNotNull);
     expect(expression.body, isNotNull);
     ArgumentList list = invocation.argumentList;
     expect(list, isNotNull);
     expect(list.arguments, hasLength(1));
   }
 
   void test_parseExpression_nonAwait() {
-    MethodInvocation expression = ParserTestCase.parseExpression("await()");
+    MethodInvocation expression = parseExpression("await()");
     expect(expression.methodName.name, 'await');
   }
 
   void test_parseExpression_superMethodInvocation() {
-    MethodInvocation invocation =
-        ParserTestCase.parse4("parseExpression", "super.m()");
+    MethodInvocation invocation = parse4("parseExpression", "super.m()");
     expect(invocation.target, isNotNull);
     expect(invocation.methodName, isNotNull);
     expect(invocation.argumentList, isNotNull);
   }
 
   void test_parseExpressionList_multiple() {
-    List<Expression> result =
-        ParserTestCase.parse4("parseExpressionList", "1, 2, 3");
+    List<Expression> result = parse4("parseExpressionList", "1, 2, 3");
     expect(result, hasLength(3));
   }
 
   void test_parseExpressionList_single() {
-    List<Expression> result = ParserTestCase.parse4("parseExpressionList", "1");
+    List<Expression> result = parse4("parseExpressionList", "1");
     expect(result, hasLength(1));
   }
 
   void test_parseExpressionWithoutCascade_assign() {
     // TODO(brianwilkerson) Implement more tests for this method.
     AssignmentExpression expression =
-        ParserTestCase.parse4("parseExpressionWithoutCascade", "x = y");
+        parse4("parseExpressionWithoutCascade", "x = y");
     expect(expression.leftHandSide, isNotNull);
     expect(expression.operator, isNotNull);
     expect(expression.operator.type, TokenType.EQ);
     expect(expression.rightHandSide, isNotNull);
   }
 
   void test_parseExpressionWithoutCascade_comparison() {
     BinaryExpression expression =
-        ParserTestCase.parse4("parseExpressionWithoutCascade", "--a.b == c");
+        parse4("parseExpressionWithoutCascade", "--a.b == c");
     expect(expression.leftOperand, isNotNull);
     expect(expression.operator, isNotNull);
     expect(expression.operator.type, TokenType.EQ_EQ);
     expect(expression.rightOperand, isNotNull);
   }
 
   void test_parseExpressionWithoutCascade_superMethodInvocation() {
     MethodInvocation invocation =
-        ParserTestCase.parse4("parseExpressionWithoutCascade", "super.m()");
+        parse4("parseExpressionWithoutCascade", "super.m()");
     expect(invocation.target, isNotNull);
     expect(invocation.methodName, isNotNull);
     expect(invocation.argumentList, isNotNull);
   }
 
   void test_parseExtendsClause() {
-    ExtendsClause clause =
-        ParserTestCase.parse4("parseExtendsClause", "extends B");
+    ExtendsClause clause = parse4("parseExtendsClause", "extends B");
     expect(clause.extendsKeyword, isNotNull);
     expect(clause.superclass, isNotNull);
     EngineTestCase.assertInstanceOf(
         (obj) => obj is TypeName, TypeName, clause.superclass);
   }
 
   void test_parseFinalConstVarOrType_const_noType() {
-    FinalConstVarOrType result = ParserTestCase.parse(
-        "parseFinalConstVarOrType", <Object>[false], "const");
+    FinalConstVarOrType result =
+        parse("parseFinalConstVarOrType", <Object>[false], "const");
     Token keyword = result.keyword;
     expect(keyword, isNotNull);
     expect(keyword.type, TokenType.KEYWORD);
     expect((keyword as KeywordToken).keyword, Keyword.CONST);
     expect(result.type, isNull);
   }
 
   void test_parseFinalConstVarOrType_const_type() {
-    FinalConstVarOrType result = ParserTestCase.parse(
-        "parseFinalConstVarOrType", <Object>[false], "const A a");
+    FinalConstVarOrType result =
+        parse("parseFinalConstVarOrType", <Object>[false], "const A a");
     Token keyword = result.keyword;
     expect(keyword, isNotNull);
     expect(keyword.type, TokenType.KEYWORD);
     expect((keyword as KeywordToken).keyword, Keyword.CONST);
     expect(result.type, isNotNull);
   }
 
   void test_parseFinalConstVarOrType_final_noType() {
-    FinalConstVarOrType result = ParserTestCase.parse(
-        "parseFinalConstVarOrType", <Object>[false], "final");
+    FinalConstVarOrType result =
+        parse("parseFinalConstVarOrType", <Object>[false], "final");
     Token keyword = result.keyword;
     expect(keyword, isNotNull);
     expect(keyword.type, TokenType.KEYWORD);
     expect((keyword as KeywordToken).keyword, Keyword.FINAL);
     expect(result.type, isNull);
   }
 
   void test_parseFinalConstVarOrType_final_prefixedType() {
-    FinalConstVarOrType result = ParserTestCase.parse(
-        "parseFinalConstVarOrType", <Object>[false], "final p.A a");
+    FinalConstVarOrType result =
+        parse("parseFinalConstVarOrType", <Object>[false], "final p.A a");
     Token keyword = result.keyword;
     expect(keyword, isNotNull);
     expect(keyword.type, TokenType.KEYWORD);
     expect((keyword as KeywordToken).keyword, Keyword.FINAL);
     expect(result.type, isNotNull);
   }
 
   void test_parseFinalConstVarOrType_final_type() {
-    FinalConstVarOrType result = ParserTestCase.parse(
-        "parseFinalConstVarOrType", <Object>[false], "final A a");
+    FinalConstVarOrType result =
+        parse("parseFinalConstVarOrType", <Object>[false], "final A a");
     Token keyword = result.keyword;
     expect(keyword, isNotNull);
     expect(keyword.type, TokenType.KEYWORD);
     expect((keyword as KeywordToken).keyword, Keyword.FINAL);
     expect(result.type, isNotNull);
   }
 
   void test_parseFinalConstVarOrType_type_parameterized() {
-    FinalConstVarOrType result = ParserTestCase.parse(
-        "parseFinalConstVarOrType", <Object>[false], "A<B> a");
+    FinalConstVarOrType result =
+        parse("parseFinalConstVarOrType", <Object>[false], "A<B> a");
     expect(result.keyword, isNull);
     expect(result.type, isNotNull);
   }
 
   void test_parseFinalConstVarOrType_type_prefixed() {
-    FinalConstVarOrType result = ParserTestCase.parse(
-        "parseFinalConstVarOrType", <Object>[false], "p.A a");
+    FinalConstVarOrType result =
+        parse("parseFinalConstVarOrType", <Object>[false], "p.A a");
     expect(result.keyword, isNull);
     expect(result.type, isNotNull);
   }
 
   void test_parseFinalConstVarOrType_type_prefixed_noIdentifier() {
-    FinalConstVarOrType result = ParserTestCase.parse(
-        "parseFinalConstVarOrType", <Object>[false], "p.A,");
+    FinalConstVarOrType result =
+        parse("parseFinalConstVarOrType", <Object>[false], "p.A,");
     expect(result.keyword, isNull);
     expect(result.type, isNotNull);
   }
 
   void test_parseFinalConstVarOrType_type_prefixedAndParameterized() {
-    FinalConstVarOrType result = ParserTestCase.parse(
-        "parseFinalConstVarOrType", <Object>[false], "p.A<B> a");
+    FinalConstVarOrType result =
+        parse("parseFinalConstVarOrType", <Object>[false], "p.A<B> a");
     expect(result.keyword, isNull);
     expect(result.type, isNotNull);
   }
 
   void test_parseFinalConstVarOrType_type_simple() {
-    FinalConstVarOrType result = ParserTestCase.parse(
-        "parseFinalConstVarOrType", <Object>[false], "A a");
+    FinalConstVarOrType result =
+        parse("parseFinalConstVarOrType", <Object>[false], "A a");
     expect(result.keyword, isNull);
     expect(result.type, isNotNull);
   }
 
   void test_parseFinalConstVarOrType_var() {
-    FinalConstVarOrType result = ParserTestCase.parse(
-        "parseFinalConstVarOrType", <Object>[false], "var");
+    FinalConstVarOrType result =
+        parse("parseFinalConstVarOrType", <Object>[false], "var");
     Token keyword = result.keyword;
     expect(keyword, isNotNull);
     expect(keyword.type, TokenType.KEYWORD);
     expect((keyword as KeywordToken).keyword, Keyword.VAR);
     expect(result.type, isNull);
   }
 
   void test_parseFinalConstVarOrType_void() {
-    FinalConstVarOrType result = ParserTestCase.parse(
-        "parseFinalConstVarOrType", <Object>[false], "void f()");
+    FinalConstVarOrType result =
+        parse("parseFinalConstVarOrType", <Object>[false], "void f()");
     expect(result.keyword, isNull);
     expect(result.type, isNotNull);
   }
 
   void test_parseFinalConstVarOrType_void_noIdentifier() {
-    FinalConstVarOrType result = ParserTestCase.parse(
-        "parseFinalConstVarOrType", <Object>[false], "void,");
+    FinalConstVarOrType result =
+        parse("parseFinalConstVarOrType", <Object>[false], "void,");
     expect(result.keyword, isNull);
     expect(result.type, isNotNull);
   }
 
   void test_parseFormalParameter_final_withType_named() {
     ParameterKind kind = ParameterKind.NAMED;
-    DefaultFormalParameter parameter = ParserTestCase.parse(
-        "parseFormalParameter", <Object>[kind], "final A a : null");
+    DefaultFormalParameter parameter =
+        parse("parseFormalParameter", <Object>[kind], "final A a : null");
     SimpleFormalParameter simpleParameter =
         parameter.parameter as SimpleFormalParameter;
     expect(simpleParameter.identifier, isNotNull);
     expect(simpleParameter.keyword, isNotNull);
     expect(simpleParameter.type, isNotNull);
     expect(simpleParameter.kind, kind);
     expect(parameter.separator, isNotNull);
     expect(parameter.defaultValue, isNotNull);
     expect(parameter.kind, kind);
   }
 
   void test_parseFormalParameter_final_withType_normal() {
     ParameterKind kind = ParameterKind.REQUIRED;
-    SimpleFormalParameter parameter = ParserTestCase.parse(
-        "parseFormalParameter", <Object>[kind], "final A a");
+    SimpleFormalParameter parameter =
+        parse("parseFormalParameter", <Object>[kind], "final A a");
     expect(parameter.identifier, isNotNull);
     expect(parameter.keyword, isNotNull);
     expect(parameter.type, isNotNull);
     expect(parameter.kind, kind);
   }
 
   void test_parseFormalParameter_final_withType_positional() {
     ParameterKind kind = ParameterKind.POSITIONAL;
-    DefaultFormalParameter parameter = ParserTestCase.parse(
-        "parseFormalParameter", <Object>[kind], "final A a = null");
+    DefaultFormalParameter parameter =
+        parse("parseFormalParameter", <Object>[kind], "final A a = null");
     SimpleFormalParameter simpleParameter =
         parameter.parameter as SimpleFormalParameter;
     expect(simpleParameter.identifier, isNotNull);
     expect(simpleParameter.keyword, isNotNull);
     expect(simpleParameter.type, isNotNull);
     expect(simpleParameter.kind, kind);
     expect(parameter.separator, isNotNull);
     expect(parameter.defaultValue, isNotNull);
     expect(parameter.kind, kind);
   }
 
   void test_parseFormalParameter_nonFinal_withType_named() {
     ParameterKind kind = ParameterKind.NAMED;
-    DefaultFormalParameter parameter = ParserTestCase.parse(
-        "parseFormalParameter", <Object>[kind], "A a : null");
+    DefaultFormalParameter parameter =
+        parse("parseFormalParameter", <Object>[kind], "A a : null");
     SimpleFormalParameter simpleParameter =
         parameter.parameter as SimpleFormalParameter;
     expect(simpleParameter.identifier, isNotNull);
     expect(simpleParameter.keyword, isNull);
     expect(simpleParameter.type, isNotNull);
     expect(simpleParameter.kind, kind);
     expect(parameter.separator, isNotNull);
     expect(parameter.defaultValue, isNotNull);
     expect(parameter.kind, kind);
   }
 
   void test_parseFormalParameter_nonFinal_withType_normal() {
     ParameterKind kind = ParameterKind.REQUIRED;
     SimpleFormalParameter parameter =
-        ParserTestCase.parse("parseFormalParameter", <Object>[kind], "A a");
+        parse("parseFormalParameter", <Object>[kind], "A a");
     expect(parameter.identifier, isNotNull);
     expect(parameter.keyword, isNull);
     expect(parameter.type, isNotNull);
     expect(parameter.kind, kind);
   }
 
   void test_parseFormalParameter_nonFinal_withType_positional() {
     ParameterKind kind = ParameterKind.POSITIONAL;
-    DefaultFormalParameter parameter = ParserTestCase.parse(
-        "parseFormalParameter", <Object>[kind], "A a = null");
+    DefaultFormalParameter parameter =
+        parse("parseFormalParameter", <Object>[kind], "A a = null");
     SimpleFormalParameter simpleParameter =
         parameter.parameter as SimpleFormalParameter;
     expect(simpleParameter.identifier, isNotNull);
     expect(simpleParameter.keyword, isNull);
     expect(simpleParameter.type, isNotNull);
     expect(simpleParameter.kind, kind);
     expect(parameter.separator, isNotNull);
     expect(parameter.defaultValue, isNotNull);
     expect(parameter.kind, kind);
   }
 
   void test_parseFormalParameter_var() {
     ParameterKind kind = ParameterKind.REQUIRED;
     SimpleFormalParameter parameter =
-        ParserTestCase.parse("parseFormalParameter", <Object>[kind], "var a");
+        parse("parseFormalParameter", <Object>[kind], "var a");
     expect(parameter.identifier, isNotNull);
     expect(parameter.keyword, isNotNull);
     expect(parameter.type, isNull);
     expect(parameter.kind, kind);
   }
 
   void test_parseFormalParameter_var_named() {
     ParameterKind kind = ParameterKind.NAMED;
-    DefaultFormalParameter parameter = ParserTestCase.parse(
-        "parseFormalParameter", <Object>[kind], "var a : null");
+    DefaultFormalParameter parameter =
+        parse("parseFormalParameter", <Object>[kind], "var a : null");
     SimpleFormalParameter simpleParameter =
         parameter.parameter as SimpleFormalParameter;
     expect(simpleParameter.identifier, isNotNull);
     expect(simpleParameter.keyword, isNotNull);
     expect(simpleParameter.type, isNull);
     expect(simpleParameter.kind, kind);
     expect(parameter.separator, isNotNull);
     expect(parameter.defaultValue, isNotNull);
     expect(parameter.kind, kind);
   }
 
   void test_parseFormalParameter_var_positional() {
     ParameterKind kind = ParameterKind.POSITIONAL;
-    DefaultFormalParameter parameter = ParserTestCase.parse(
-        "parseFormalParameter", <Object>[kind], "var a = null");
+    DefaultFormalParameter parameter =
+        parse("parseFormalParameter", <Object>[kind], "var a = null");
     SimpleFormalParameter simpleParameter =
         parameter.parameter as SimpleFormalParameter;
     expect(simpleParameter.identifier, isNotNull);
     expect(simpleParameter.keyword, isNotNull);
     expect(simpleParameter.type, isNull);
     expect(simpleParameter.kind, kind);
     expect(parameter.separator, isNotNull);
     expect(parameter.defaultValue, isNotNull);
     expect(parameter.kind, kind);
   }
 
   void test_parseFormalParameterList_empty() {
     FormalParameterList parameterList =
-        ParserTestCase.parse4("parseFormalParameterList", "()");
+        parse4("parseFormalParameterList", "()");
     expect(parameterList.leftParenthesis, isNotNull);
     expect(parameterList.leftDelimiter, isNull);
     expect(parameterList.parameters, hasLength(0));
     expect(parameterList.rightDelimiter, isNull);
     expect(parameterList.rightParenthesis, isNotNull);
   }
 
   void test_parseFormalParameterList_named_multiple() {
-    FormalParameterList parameterList = ParserTestCase.parse4(
-        "parseFormalParameterList", "({A a : 1, B b, C c : 3})");
+    FormalParameterList parameterList =
+        parse4("parseFormalParameterList", "({A a : 1, B b, C c : 3})");
     expect(parameterList.leftParenthesis, isNotNull);
     expect(parameterList.leftDelimiter, isNotNull);
     expect(parameterList.parameters, hasLength(3));
     expect(parameterList.rightDelimiter, isNotNull);
     expect(parameterList.rightParenthesis, isNotNull);
   }
 
   void test_parseFormalParameterList_named_single() {
     FormalParameterList parameterList =
-        ParserTestCase.parse4("parseFormalParameterList", "({A a})");
+        parse4("parseFormalParameterList", "({A a})");
     expect(parameterList.leftParenthesis, isNotNull);
     expect(parameterList.leftDelimiter, isNotNull);
     expect(parameterList.parameters, hasLength(1));
     expect(parameterList.rightDelimiter, isNotNull);
     expect(parameterList.rightParenthesis, isNotNull);
   }
 
   void test_parseFormalParameterList_normal_multiple() {
     FormalParameterList parameterList =
-        ParserTestCase.parse4("parseFormalParameterList", "(A a, B b, C c)");
+        parse4("parseFormalParameterList", "(A a, B b, C c)");
     expect(parameterList.leftParenthesis, isNotNull);
     expect(parameterList.leftDelimiter, isNull);
     expect(parameterList.parameters, hasLength(3));
     expect(parameterList.rightDelimiter, isNull);
     expect(parameterList.rightParenthesis, isNotNull);
   }
 
   void test_parseFormalParameterList_normal_named() {
     FormalParameterList parameterList =
-        ParserTestCase.parse4("parseFormalParameterList", "(A a, {B b})");
+        parse4("parseFormalParameterList", "(A a, {B b})");
     expect(parameterList.leftParenthesis, isNotNull);
     expect(parameterList.leftDelimiter, isNotNull);
     expect(parameterList.parameters, hasLength(2));
     expect(parameterList.rightDelimiter, isNotNull);
     expect(parameterList.rightParenthesis, isNotNull);
   }
 
   void test_parseFormalParameterList_normal_positional() {
     FormalParameterList parameterList =
-        ParserTestCase.parse4("parseFormalParameterList", "(A a, [B b])");
+        parse4("parseFormalParameterList", "(A a, [B b])");
     expect(parameterList.leftParenthesis, isNotNull);
     expect(parameterList.leftDelimiter, isNotNull);
     expect(parameterList.parameters, hasLength(2));
     expect(parameterList.rightDelimiter, isNotNull);
     expect(parameterList.rightParenthesis, isNotNull);
   }
 
   void test_parseFormalParameterList_normal_single() {
     FormalParameterList parameterList =
-        ParserTestCase.parse4("parseFormalParameterList", "(A a)");
+        parse4("parseFormalParameterList", "(A a)");
     expect(parameterList.leftParenthesis, isNotNull);
     expect(parameterList.leftDelimiter, isNull);
     expect(parameterList.parameters, hasLength(1));
     expect(parameterList.rightDelimiter, isNull);
     expect(parameterList.rightParenthesis, isNotNull);
   }
 
   void test_parseFormalParameterList_positional_multiple() {
-    FormalParameterList parameterList = ParserTestCase.parse4(
-        "parseFormalParameterList", "([A a = null, B b, C c = null])");
+    FormalParameterList parameterList =
+        parse4("parseFormalParameterList", "([A a = null, B b, C c = null])");
     expect(parameterList.leftParenthesis, isNotNull);
     expect(parameterList.leftDelimiter, isNotNull);
     expect(parameterList.parameters, hasLength(3));
     expect(parameterList.rightDelimiter, isNotNull);
     expect(parameterList.rightParenthesis, isNotNull);
   }
 
   void test_parseFormalParameterList_positional_single() {
     FormalParameterList parameterList =
-        ParserTestCase.parse4("parseFormalParameterList", "([A a = null])");
+        parse4("parseFormalParameterList", "([A a = null])");
     expect(parameterList.leftParenthesis, isNotNull);
     expect(parameterList.leftDelimiter, isNotNull);
     expect(parameterList.parameters, hasLength(1));
     expect(parameterList.rightDelimiter, isNotNull);
     expect(parameterList.rightParenthesis, isNotNull);
   }
 
   void test_parseForStatement_each_await() {
-    ForEachStatement statement = ParserTestCase.parse4(
-        "parseForStatement", "await for (element in list) {}");
+    ForEachStatement statement =
+        parse4("parseForStatement", "await for (element in list) {}");
     expect(statement.awaitKeyword, isNotNull);
     expect(statement.forKeyword, isNotNull);
     expect(statement.leftParenthesis, isNotNull);
     expect(statement.loopVariable, isNull);
     expect(statement.identifier, isNotNull);
     expect(statement.inKeyword, isNotNull);
     expect(statement.iterable, isNotNull);
     expect(statement.rightParenthesis, isNotNull);
     expect(statement.body, isNotNull);
   }
 
   void test_parseForStatement_each_identifier() {
     ForEachStatement statement =
-        ParserTestCase.parse4("parseForStatement", "for (element in list) {}");
+        parse4("parseForStatement", "for (element in list) {}");
     expect(statement.awaitKeyword, isNull);
     expect(statement.forKeyword, isNotNull);
     expect(statement.leftParenthesis, isNotNull);
     expect(statement.loopVariable, isNull);
     expect(statement.identifier, isNotNull);
     expect(statement.inKeyword, isNotNull);
     expect(statement.iterable, isNotNull);
     expect(statement.rightParenthesis, isNotNull);
     expect(statement.body, isNotNull);
   }
 
   void test_parseForStatement_each_noType_metadata() {
-    ForEachStatement statement = ParserTestCase.parse4(
-        "parseForStatement", "for (@A var element in list) {}");
+    ForEachStatement statement =
+        parse4("parseForStatement", "for (@A var element in list) {}");
     expect(statement.awaitKeyword, isNull);
     expect(statement.forKeyword, isNotNull);
     expect(statement.leftParenthesis, isNotNull);
     expect(statement.loopVariable, isNotNull);
     expect(statement.loopVariable.metadata, hasLength(1));
     expect(statement.identifier, isNull);
     expect(statement.inKeyword, isNotNull);
     expect(statement.iterable, isNotNull);
     expect(statement.rightParenthesis, isNotNull);
     expect(statement.body, isNotNull);
   }
 
   void test_parseForStatement_each_type() {
-    ForEachStatement statement = ParserTestCase.parse4(
-        "parseForStatement", "for (A element in list) {}");
+    ForEachStatement statement =
+        parse4("parseForStatement", "for (A element in list) {}");
     expect(statement.awaitKeyword, isNull);
     expect(statement.forKeyword, isNotNull);
     expect(statement.leftParenthesis, isNotNull);
     expect(statement.loopVariable, isNotNull);
     expect(statement.identifier, isNull);
     expect(statement.inKeyword, isNotNull);
     expect(statement.iterable, isNotNull);
     expect(statement.rightParenthesis, isNotNull);
     expect(statement.body, isNotNull);
   }
 
   void test_parseForStatement_each_var() {
-    ForEachStatement statement = ParserTestCase.parse4(
-        "parseForStatement", "for (var element in list) {}");
+    ForEachStatement statement =
+        parse4("parseForStatement", "for (var element in list) {}");
     expect(statement.awaitKeyword, isNull);
     expect(statement.forKeyword, isNotNull);
     expect(statement.leftParenthesis, isNotNull);
     expect(statement.loopVariable, isNotNull);
     expect(statement.identifier, isNull);
     expect(statement.inKeyword, isNotNull);
     expect(statement.iterable, isNotNull);
     expect(statement.rightParenthesis, isNotNull);
     expect(statement.body, isNotNull);
   }
 
   void test_parseForStatement_loop_c() {
     ForStatement statement =
-        ParserTestCase.parse4("parseForStatement", "for (; i < count;) {}");
+        parse4("parseForStatement", "for (; i < count;) {}");
     expect(statement.forKeyword, isNotNull);
     expect(statement.leftParenthesis, isNotNull);
     expect(statement.variables, isNull);
     expect(statement.initialization, isNull);
     expect(statement.leftSeparator, isNotNull);
     expect(statement.condition, isNotNull);
     expect(statement.rightSeparator, isNotNull);
     expect(statement.updaters, hasLength(0));
     expect(statement.rightParenthesis, isNotNull);
     expect(statement.body, isNotNull);
   }
 
   void test_parseForStatement_loop_cu() {
     ForStatement statement =
-        ParserTestCase.parse4("parseForStatement", "for (; i < count; i++) {}");
+        parse4("parseForStatement", "for (; i < count; i++) {}");
     expect(statement.forKeyword, isNotNull);
     expect(statement.leftParenthesis, isNotNull);
     expect(statement.variables, isNull);
     expect(statement.initialization, isNull);
     expect(statement.leftSeparator, isNotNull);
     expect(statement.condition, isNotNull);
     expect(statement.rightSeparator, isNotNull);
     expect(statement.updaters, hasLength(1));
     expect(statement.rightParenthesis, isNotNull);
     expect(statement.body, isNotNull);
   }
 
   void test_parseForStatement_loop_ecu() {
-    ForStatement statement = ParserTestCase.parse4(
-        "parseForStatement", "for (i--; i < count; i++) {}");
+    ForStatement statement =
+        parse4("parseForStatement", "for (i--; i < count; i++) {}");
     expect(statement.forKeyword, isNotNull);
     expect(statement.leftParenthesis, isNotNull);
     expect(statement.variables, isNull);
     expect(statement.initialization, isNotNull);
     expect(statement.leftSeparator, isNotNull);
     expect(statement.condition, isNotNull);
     expect(statement.rightSeparator, isNotNull);
     expect(statement.updaters, hasLength(1));
     expect(statement.rightParenthesis, isNotNull);
     expect(statement.body, isNotNull);
   }
 
   void test_parseForStatement_loop_i() {
     ForStatement statement =
-        ParserTestCase.parse4("parseForStatement", "for (var i = 0;;) {}");
+        parse4("parseForStatement", "for (var i = 0;;) {}");
     expect(statement.forKeyword, isNotNull);
     expect(statement.leftParenthesis, isNotNull);
     VariableDeclarationList variables = statement.variables;
     expect(variables, isNotNull);
     expect(variables.metadata, hasLength(0));
     expect(variables.variables, hasLength(1));
     expect(statement.initialization, isNull);
     expect(statement.leftSeparator, isNotNull);
     expect(statement.condition, isNull);
     expect(statement.rightSeparator, isNotNull);
     expect(statement.updaters, hasLength(0));
     expect(statement.rightParenthesis, isNotNull);
     expect(statement.body, isNotNull);
   }
 
   void test_parseForStatement_loop_i_withMetadata() {
     ForStatement statement =
-        ParserTestCase.parse4("parseForStatement", "for (@A var i = 0;;) {}");
+        parse4("parseForStatement", "for (@A var i = 0;;) {}");
     expect(statement.forKeyword, isNotNull);
     expect(statement.leftParenthesis, isNotNull);
     VariableDeclarationList variables = statement.variables;
     expect(variables, isNotNull);
     expect(variables.metadata, hasLength(1));
     expect(variables.variables, hasLength(1));
     expect(statement.initialization, isNull);
     expect(statement.leftSeparator, isNotNull);
     expect(statement.condition, isNull);
     expect(statement.rightSeparator, isNotNull);
     expect(statement.updaters, hasLength(0));
     expect(statement.rightParenthesis, isNotNull);
     expect(statement.body, isNotNull);
   }
 
   void test_parseForStatement_loop_ic() {
-    ForStatement statement = ParserTestCase.parse4(
-        "parseForStatement", "for (var i = 0; i < count;) {}");
+    ForStatement statement =
+        parse4("parseForStatement", "for (var i = 0; i < count;) {}");
     expect(statement.forKeyword, isNotNull);
     expect(statement.leftParenthesis, isNotNull);
     VariableDeclarationList variables = statement.variables;
     expect(variables, isNotNull);
     expect(variables.variables, hasLength(1));
     expect(statement.initialization, isNull);
     expect(statement.leftSeparator, isNotNull);
     expect(statement.condition, isNotNull);
     expect(statement.rightSeparator, isNotNull);
     expect(statement.updaters, hasLength(0));
     expect(statement.rightParenthesis, isNotNull);
     expect(statement.body, isNotNull);
   }
 
   void test_parseForStatement_loop_icu() {
-    ForStatement statement = ParserTestCase.parse4(
-        "parseForStatement", "for (var i = 0; i < count; i++) {}");
+    ForStatement statement =
+        parse4("parseForStatement", "for (var i = 0; i < count; i++) {}");
     expect(statement.forKeyword, isNotNull);
     expect(statement.leftParenthesis, isNotNull);
     VariableDeclarationList variables = statement.variables;
     expect(variables, isNotNull);
     expect(variables.variables, hasLength(1));
     expect(statement.initialization, isNull);
     expect(statement.leftSeparator, isNotNull);
     expect(statement.condition, isNotNull);
     expect(statement.rightSeparator, isNotNull);
     expect(statement.updaters, hasLength(1));
     expect(statement.rightParenthesis, isNotNull);
     expect(statement.body, isNotNull);
   }
 
   void test_parseForStatement_loop_iicuu() {
-    ForStatement statement = ParserTestCase.parse4(
+    ForStatement statement = parse4(
         "parseForStatement", "for (int i = 0, j = count; i < j; i++, j--) {}");
     expect(statement.forKeyword, isNotNull);
     expect(statement.leftParenthesis, isNotNull);
     VariableDeclarationList variables = statement.variables;
     expect(variables, isNotNull);
     expect(variables.variables, hasLength(2));
     expect(statement.initialization, isNull);
     expect(statement.leftSeparator, isNotNull);
     expect(statement.condition, isNotNull);
     expect(statement.rightSeparator, isNotNull);
     expect(statement.updaters, hasLength(2));
     expect(statement.rightParenthesis, isNotNull);
     expect(statement.body, isNotNull);
   }
 
   void test_parseForStatement_loop_iu() {
     ForStatement statement =
-        ParserTestCase.parse4("parseForStatement", "for (var i = 0;; i++) {}");
+        parse4("parseForStatement", "for (var i = 0;; i++) {}");
     expect(statement.forKeyword, isNotNull);
     expect(statement.leftParenthesis, isNotNull);
     VariableDeclarationList variables = statement.variables;
     expect(variables, isNotNull);
     expect(variables.variables, hasLength(1));
     expect(statement.initialization, isNull);
     expect(statement.leftSeparator, isNotNull);
     expect(statement.condition, isNull);
     expect(statement.rightSeparator, isNotNull);
     expect(statement.updaters, hasLength(1));
     expect(statement.rightParenthesis, isNotNull);
     expect(statement.body, isNotNull);
   }
 
   void test_parseForStatement_loop_u() {
-    ForStatement statement =
-        ParserTestCase.parse4("parseForStatement", "for (;; i++) {}");
+    ForStatement statement = parse4("parseForStatement", "for (;; i++) {}");
     expect(statement.forKeyword, isNotNull);
     expect(statement.leftParenthesis, isNotNull);
     expect(statement.variables, isNull);
     expect(statement.initialization, isNull);
     expect(statement.leftSeparator, isNotNull);
     expect(statement.condition, isNull);
     expect(statement.rightSeparator, isNotNull);
     expect(statement.updaters, hasLength(1));
     expect(statement.rightParenthesis, isNotNull);
     expect(statement.body, isNotNull);
   }
 
   void test_parseFunctionBody_block() {
-    BlockFunctionBody functionBody = ParserTestCase.parse(
-        "parseFunctionBody", <Object>[false, null, false], "{}");
+    BlockFunctionBody functionBody =
+        parse("parseFunctionBody", <Object>[false, null, false], "{}");
     expect(functionBody.keyword, isNull);
     expect(functionBody.star, isNull);
     expect(functionBody.block, isNotNull);
     expect(functionBody.isAsynchronous, isFalse);
     expect(functionBody.isGenerator, isFalse);
     expect(functionBody.isSynchronous, isTrue);
   }
 
   void test_parseFunctionBody_block_async() {
-    BlockFunctionBody functionBody = ParserTestCase.parse(
-        "parseFunctionBody", <Object>[false, null, false], "async {}");
+    BlockFunctionBody functionBody =
+        parse("parseFunctionBody", <Object>[false, null, false], "async {}");
     expect(functionBody.keyword, isNotNull);
     expect(functionBody.keyword.lexeme, Parser.ASYNC);
     expect(functionBody.star, isNull);
     expect(functionBody.block, isNotNull);
     expect(functionBody.isAsynchronous, isTrue);
     expect(functionBody.isGenerator, isFalse);
     expect(functionBody.isSynchronous, isFalse);
   }
 
   void test_parseFunctionBody_block_asyncGenerator() {
-    BlockFunctionBody functionBody = ParserTestCase.parse(
-        "parseFunctionBody", <Object>[false, null, false], "async* {}");
+    BlockFunctionBody functionBody =
+        parse("parseFunctionBody", <Object>[false, null, false], "async* {}");
     expect(functionBody.keyword, isNotNull);
     expect(functionBody.keyword.lexeme, Parser.ASYNC);
     expect(functionBody.star, isNotNull);
     expect(functionBody.block, isNotNull);
     expect(functionBody.isAsynchronous, isTrue);
     expect(functionBody.isGenerator, isTrue);
     expect(functionBody.isSynchronous, isFalse);
   }
 
   void test_parseFunctionBody_block_syncGenerator() {
-    BlockFunctionBody functionBody = ParserTestCase.parse(
-        "parseFunctionBody", <Object>[false, null, false], "sync* {}");
+    BlockFunctionBody functionBody =
+        parse("parseFunctionBody", <Object>[false, null, false], "sync* {}");
     expect(functionBody.keyword, isNotNull);
     expect(functionBody.keyword.lexeme, Parser.SYNC);
     expect(functionBody.star, isNotNull);
     expect(functionBody.block, isNotNull);
     expect(functionBody.isAsynchronous, isFalse);
     expect(functionBody.isGenerator, isTrue);
     expect(functionBody.isSynchronous, isTrue);
   }
 
   void test_parseFunctionBody_empty() {
-    EmptyFunctionBody functionBody = ParserTestCase.parse(
-        "parseFunctionBody", <Object>[true, null, false], ";");
+    EmptyFunctionBody functionBody =
+        parse("parseFunctionBody", <Object>[true, null, false], ";");
     expect(functionBody.semicolon, isNotNull);
   }
 
   void test_parseFunctionBody_expression() {
-    ExpressionFunctionBody functionBody = ParserTestCase.parse(
-        "parseFunctionBody", <Object>[false, null, false], "=> y;");
+    ExpressionFunctionBody functionBody =
+        parse("parseFunctionBody", <Object>[false, null, false], "=> y;");
     expect(functionBody.keyword, isNull);
     expect(functionBody.functionDefinition, isNotNull);
     expect(functionBody.expression, isNotNull);
     expect(functionBody.semicolon, isNotNull);
     expect(functionBody.isAsynchronous, isFalse);
     expect(functionBody.isGenerator, isFalse);
     expect(functionBody.isSynchronous, isTrue);
   }
 
   void test_parseFunctionBody_expression_async() {
-    ExpressionFunctionBody functionBody = ParserTestCase.parse(
-        "parseFunctionBody", <Object>[false, null, false], "async => y;");
+    ExpressionFunctionBody functionBody =
+        parse("parseFunctionBody", <Object>[false, null, false], "async => y;");
     expect(functionBody.keyword, isNotNull);
     expect(functionBody.keyword.lexeme, Parser.ASYNC);
     expect(functionBody.functionDefinition, isNotNull);
     expect(functionBody.expression, isNotNull);
     expect(functionBody.semicolon, isNotNull);
     expect(functionBody.isAsynchronous, isTrue);
     expect(functionBody.isGenerator, isFalse);
     expect(functionBody.isSynchronous, isFalse);
   }
 
   void test_parseFunctionBody_nativeFunctionBody() {
-    NativeFunctionBody functionBody = ParserTestCase.parse(
+    NativeFunctionBody functionBody = parse(
         "parseFunctionBody", <Object>[false, null, false], "native 'str';");
     expect(functionBody.nativeKeyword, isNotNull);
     expect(functionBody.stringLiteral, isNotNull);
     expect(functionBody.semicolon, isNotNull);
   }
 
   void test_parseFunctionBody_skip_block() {
     ParserTestCase.parseFunctionBodies = false;
-    FunctionBody functionBody = ParserTestCase.parse(
-        "parseFunctionBody", <Object>[false, null, false], "{}");
+    FunctionBody functionBody =
+        parse("parseFunctionBody", <Object>[false, null, false], "{}");
     EngineTestCase.assertInstanceOf(
         (obj) => obj is EmptyFunctionBody, EmptyFunctionBody, functionBody);
   }
 
   void test_parseFunctionBody_skip_block_invalid() {
     ParserTestCase.parseFunctionBodies = false;
-    FunctionBody functionBody = ParserTestCase.parse3("parseFunctionBody",
-        <Object>[false, null, false], "{", [ParserErrorCode.EXPECTED_TOKEN]);
+    FunctionBody functionBody = parse3("parseFunctionBody", <Object>[
+      false,
+      null,
+      false
+    ], "{", [ParserErrorCode.EXPECTED_TOKEN]);
     EngineTestCase.assertInstanceOf(
         (obj) => obj is EmptyFunctionBody, EmptyFunctionBody, functionBody);
   }
 
   void test_parseFunctionBody_skip_blocks() {
     ParserTestCase.parseFunctionBodies = false;
-    FunctionBody functionBody = ParserTestCase.parse(
-        "parseFunctionBody", <Object>[false, null, false], "{ {} }");
+    FunctionBody functionBody =
+        parse("parseFunctionBody", <Object>[false, null, false], "{ {} }");
     EngineTestCase.assertInstanceOf(
         (obj) => obj is EmptyFunctionBody, EmptyFunctionBody, functionBody);
   }
 
   void test_parseFunctionBody_skip_expression() {
     ParserTestCase.parseFunctionBodies = false;
-    FunctionBody functionBody = ParserTestCase.parse(
-        "parseFunctionBody", <Object>[false, null, false], "=> y;");
+    FunctionBody functionBody =
+        parse("parseFunctionBody", <Object>[false, null, false], "=> y;");
     EngineTestCase.assertInstanceOf(
         (obj) => obj is EmptyFunctionBody, EmptyFunctionBody, functionBody);
   }
 
   void test_parseFunctionDeclaration_function() {
     Comment comment = Comment.createDocumentationComment(new List<Token>(0));
     TypeName returnType = new TypeName(new SimpleIdentifier(null), null);
-    FunctionDeclaration declaration = ParserTestCase.parse(
-        "parseFunctionDeclaration", <Object>[
-      commentAndMetadata(comment),
-      null,
-      returnType
-    ], "f() {}");
+    FunctionDeclaration declaration = parse("parseFunctionDeclaration",
+        <Object>[commentAndMetadata(comment), null, returnType], "f() {}");
     expect(declaration.documentationComment, comment);
     expect(declaration.returnType, returnType);
     expect(declaration.name, isNotNull);
     FunctionExpression expression = declaration.functionExpression;
     expect(expression, isNotNull);
     expect(expression.body, isNotNull);
     expect(expression.parameters, isNotNull);
     expect(declaration.propertyKeyword, isNull);
   }
 
   void test_parseFunctionDeclaration_getter() {
     Comment comment = Comment.createDocumentationComment(new List<Token>(0));
     TypeName returnType = new TypeName(new SimpleIdentifier(null), null);
-    FunctionDeclaration declaration = ParserTestCase.parse(
-        "parseFunctionDeclaration", <Object>[
-      commentAndMetadata(comment),
-      null,
-      returnType
-    ], "get p => 0;");
+    FunctionDeclaration declaration = parse("parseFunctionDeclaration",
+        <Object>[commentAndMetadata(comment), null, returnType], "get p => 0;");
     expect(declaration.documentationComment, comment);
     expect(declaration.returnType, returnType);
     expect(declaration.name, isNotNull);
     FunctionExpression expression = declaration.functionExpression;
     expect(expression, isNotNull);
     expect(expression.body, isNotNull);
     expect(expression.parameters, isNull);
     expect(declaration.propertyKeyword, isNotNull);
   }
 
   void test_parseFunctionDeclaration_setter() {
     Comment comment = Comment.createDocumentationComment(new List<Token>(0));
     TypeName returnType = new TypeName(new SimpleIdentifier(null), null);
-    FunctionDeclaration declaration = ParserTestCase.parse(
-        "parseFunctionDeclaration", <Object>[
-      commentAndMetadata(comment),
-      null,
-      returnType
-    ], "set p(v) {}");
+    FunctionDeclaration declaration = parse("parseFunctionDeclaration",
+        <Object>[commentAndMetadata(comment), null, returnType], "set p(v) {}");
     expect(declaration.documentationComment, comment);
     expect(declaration.returnType, returnType);
     expect(declaration.name, isNotNull);
     FunctionExpression expression = declaration.functionExpression;
     expect(expression, isNotNull);
     expect(expression.body, isNotNull);
     expect(expression.parameters, isNotNull);
     expect(declaration.propertyKeyword, isNotNull);
   }
 
   void test_parseFunctionDeclarationStatement() {
-    FunctionDeclarationStatement statement = ParserTestCase.parse4(
-        "parseFunctionDeclarationStatement", "void f(int p) => p * 2;");
+    FunctionDeclarationStatement statement =
+        parse4("parseFunctionDeclarationStatement", "void f(int p) => p * 2;");
     expect(statement.functionDeclaration, isNotNull);
   }
 
   void test_parseFunctionExpression_body_inExpression() {
     FunctionExpression expression =
-        ParserTestCase.parse4("parseFunctionExpression", "(int i) => i++");
+        parse4("parseFunctionExpression", "(int i) => i++");
     expect(expression.body, isNotNull);
     expect(expression.parameters, isNotNull);
     expect((expression.body as ExpressionFunctionBody).semicolon, isNull);
   }
 
   void test_parseGetter_nonStatic() {
     Comment comment = Comment.createDocumentationComment(new List<Token>(0));
     TypeName returnType = new TypeName(new SimpleIdentifier(null), null);
-    MethodDeclaration method = ParserTestCase.parse("parseGetter", <Object>[
+    MethodDeclaration method = parse("parseGetter", <Object>[
       commentAndMetadata(comment),
       null,
       null,
       returnType
     ], "get a;");
     expect(method.body, isNotNull);
     expect(method.documentationComment, comment);
     expect(method.externalKeyword, isNull);
     expect(method.modifierKeyword, isNull);
     expect(method.name, isNotNull);
     expect(method.operatorKeyword, isNull);
     expect(method.parameters, isNull);
     expect(method.propertyKeyword, isNotNull);
     expect(method.returnType, returnType);
   }
 
   void test_parseGetter_static() {
     Comment comment = Comment.createDocumentationComment(new List<Token>(0));
     Token staticKeyword = TokenFactory.tokenFromKeyword(Keyword.STATIC);
     TypeName returnType = new TypeName(new SimpleIdentifier(null), null);
-    MethodDeclaration method = ParserTestCase.parse("parseGetter", <Object>[
+    MethodDeclaration method = parse("parseGetter", <Object>[
       commentAndMetadata(comment),
       null,
       staticKeyword,
       returnType
     ], "get a => 42;");
     expect(method.body, isNotNull);
     expect(method.documentationComment, comment);
     expect(method.externalKeyword, isNull);
     expect(method.modifierKeyword, staticKeyword);
     expect(method.name, isNotNull);
     expect(method.operatorKeyword, isNull);
     expect(method.parameters, isNull);
     expect(method.propertyKeyword, isNotNull);
     expect(method.returnType, returnType);
   }
 
   void test_parseIdentifierList_multiple() {
-    List<SimpleIdentifier> list =
-        ParserTestCase.parse4("parseIdentifierList", "a, b, c");
+    List<SimpleIdentifier> list = parse4("parseIdentifierList", "a, b, c");
     expect(list, hasLength(3));
   }
 
   void test_parseIdentifierList_single() {
-    List<SimpleIdentifier> list =
-        ParserTestCase.parse4("parseIdentifierList", "a");
+    List<SimpleIdentifier> list = parse4("parseIdentifierList", "a");
     expect(list, hasLength(1));
   }
 
   void test_parseIfStatement_else_block() {
-    IfStatement statement =
-        ParserTestCase.parse4("parseIfStatement", "if (x) {} else {}");
+    IfStatement statement = parse4("parseIfStatement", "if (x) {} else {}");
     expect(statement.ifKeyword, isNotNull);
     expect(statement.leftParenthesis, isNotNull);
     expect(statement.condition, isNotNull);
     expect(statement.rightParenthesis, isNotNull);
     expect(statement.thenStatement, isNotNull);
     expect(statement.elseKeyword, isNotNull);
     expect(statement.elseStatement, isNotNull);
   }
 
   void test_parseIfStatement_else_statement() {
     IfStatement statement =
-        ParserTestCase.parse4("parseIfStatement", "if (x) f(x); else f(y);");
+        parse4("parseIfStatement", "if (x) f(x); else f(y);");
     expect(statement.ifKeyword, isNotNull);
     expect(statement.leftParenthesis, isNotNull);
     expect(statement.condition, isNotNull);
     expect(statement.rightParenthesis, isNotNull);
     expect(statement.thenStatement, isNotNull);
     expect(statement.elseKeyword, isNotNull);
     expect(statement.elseStatement, isNotNull);
   }
 
   void test_parseIfStatement_noElse_block() {
-    IfStatement statement =
-        ParserTestCase.parse4("parseIfStatement", "if (x) {}");
+    IfStatement statement = parse4("parseIfStatement", "if (x) {}");
     expect(statement.ifKeyword, isNotNull);
     expect(statement.leftParenthesis, isNotNull);
     expect(statement.condition, isNotNull);
     expect(statement.rightParenthesis, isNotNull);
     expect(statement.thenStatement, isNotNull);
     expect(statement.elseKeyword, isNull);
     expect(statement.elseStatement, isNull);
   }
 
   void test_parseIfStatement_noElse_statement() {
-    IfStatement statement =
-        ParserTestCase.parse4("parseIfStatement", "if (x) f(x);");
+    IfStatement statement = parse4("parseIfStatement", "if (x) f(x);");
     expect(statement.ifKeyword, isNotNull);
     expect(statement.leftParenthesis, isNotNull);
     expect(statement.condition, isNotNull);
     expect(statement.rightParenthesis, isNotNull);
     expect(statement.thenStatement, isNotNull);
     expect(statement.elseKeyword, isNull);
     expect(statement.elseStatement, isNull);
   }
 
   void test_parseImplementsClause_multiple() {
     ImplementsClause clause =
-        ParserTestCase.parse4("parseImplementsClause", "implements A, B, C");
+        parse4("parseImplementsClause", "implements A, B, C");
     expect(clause.interfaces, hasLength(3));
     expect(clause.implementsKeyword, isNotNull);
   }
 
   void test_parseImplementsClause_single() {
-    ImplementsClause clause =
-        ParserTestCase.parse4("parseImplementsClause", "implements A");
+    ImplementsClause clause = parse4("parseImplementsClause", "implements A");
     expect(clause.interfaces, hasLength(1));
     expect(clause.implementsKeyword, isNotNull);
   }
 
   void test_parseImportDirective_deferred() {
-    ImportDirective directive = ParserTestCase.parse("parseImportDirective",
-        <Object>[
-      emptyCommentAndMetadata()
-    ], "import 'lib/lib.dart' deferred as a;");
+    ImportDirective directive = parse("parseImportDirective",
+        <Object>[emptyCommentAndMetadata()],
+        "import 'lib/lib.dart' deferred as a;");
     expect(directive.keyword, isNotNull);
     expect(directive.uri, isNotNull);
     expect(directive.deferredKeyword, isNotNull);
     expect(directive.asKeyword, isNotNull);
     expect(directive.prefix, isNotNull);
     expect(directive.combinators, hasLength(0));
     expect(directive.semicolon, isNotNull);
   }
 
   void test_parseImportDirective_hide() {
-    ImportDirective directive = ParserTestCase.parse("parseImportDirective",
-        <Object>[
-      emptyCommentAndMetadata()
-    ], "import 'lib/lib.dart' hide A, B;");
+    ImportDirective directive = parse("parseImportDirective",
+        <Object>[emptyCommentAndMetadata()],
+        "import 'lib/lib.dart' hide A, B;");
     expect(directive.keyword, isNotNull);
     expect(directive.uri, isNotNull);
     expect(directive.deferredKeyword, isNull);
     expect(directive.asKeyword, isNull);
     expect(directive.prefix, isNull);
     expect(directive.combinators, hasLength(1));
     expect(directive.semicolon, isNotNull);
   }
 
   void test_parseImportDirective_noCombinator() {
-    ImportDirective directive = ParserTestCase.parse("parseImportDirective",
+    ImportDirective directive = parse("parseImportDirective",
         <Object>[emptyCommentAndMetadata()], "import 'lib/lib.dart';");
     expect(directive.keyword, isNotNull);
     expect(directive.uri, isNotNull);
     expect(directive.deferredKeyword, isNull);
     expect(directive.asKeyword, isNull);
     expect(directive.prefix, isNull);
     expect(directive.combinators, hasLength(0));
     expect(directive.semicolon, isNotNull);
   }
 
   void test_parseImportDirective_prefix() {
-    ImportDirective directive = ParserTestCase.parse("parseImportDirective",
+    ImportDirective directive = parse("parseImportDirective",
         <Object>[emptyCommentAndMetadata()], "import 'lib/lib.dart' as a;");
     expect(directive.keyword, isNotNull);
     expect(directive.uri, isNotNull);
     expect(directive.deferredKeyword, isNull);
     expect(directive.asKeyword, isNotNull);
     expect(directive.prefix, isNotNull);
     expect(directive.combinators, hasLength(0));
     expect(directive.semicolon, isNotNull);
   }
 
   void test_parseImportDirective_prefix_hide_show() {
-    ImportDirective directive = ParserTestCase.parse("parseImportDirective",
-        <Object>[
-      emptyCommentAndMetadata()
-    ], "import 'lib/lib.dart' as a hide A show B;");
+    ImportDirective directive = parse("parseImportDirective",
+        <Object>[emptyCommentAndMetadata()],
+        "import 'lib/lib.dart' as a hide A show B;");
     expect(directive.keyword, isNotNull);
     expect(directive.uri, isNotNull);
     expect(directive.deferredKeyword, isNull);
     expect(directive.asKeyword, isNotNull);
     expect(directive.prefix, isNotNull);
     expect(directive.combinators, hasLength(2));
     expect(directive.semicolon, isNotNull);
   }
 
   void test_parseImportDirective_prefix_show_hide() {
-    ImportDirective directive = ParserTestCase.parse("parseImportDirective",
-        <Object>[
-      emptyCommentAndMetadata()
-    ], "import 'lib/lib.dart' as a show B hide A;");
+    ImportDirective directive = parse("parseImportDirective",
+        <Object>[emptyCommentAndMetadata()],
+        "import 'lib/lib.dart' as a show B hide A;");
     expect(directive.keyword, isNotNull);
     expect(directive.uri, isNotNull);
     expect(directive.deferredKeyword, isNull);
     expect(directive.asKeyword, isNotNull);
     expect(directive.prefix, isNotNull);
     expect(directive.combinators, hasLength(2));
     expect(directive.semicolon, isNotNull);
   }
 
   void test_parseImportDirective_show() {
-    ImportDirective directive = ParserTestCase.parse("parseImportDirective",
-        <Object>[
-      emptyCommentAndMetadata()
-    ], "import 'lib/lib.dart' show A, B;");
+    ImportDirective directive = parse("parseImportDirective",
+        <Object>[emptyCommentAndMetadata()],
+        "import 'lib/lib.dart' show A, B;");
     expect(directive.keyword, isNotNull);
     expect(directive.uri, isNotNull);
     expect(directive.deferredKeyword, isNull);
     expect(directive.asKeyword, isNull);
     expect(directive.prefix, isNull);
     expect(directive.combinators, hasLength(1));
     expect(directive.semicolon, isNotNull);
   }
 
   void test_parseInitializedIdentifierList_type() {
     Comment comment = Comment.createDocumentationComment(new List<Token>(0));
     Token staticKeyword = TokenFactory.tokenFromKeyword(Keyword.STATIC);
     TypeName type = new TypeName(new SimpleIdentifier(null), null);
-    FieldDeclaration declaration = ParserTestCase.parse(
-        "parseInitializedIdentifierList", <Object>[
+    FieldDeclaration declaration = parse("parseInitializedIdentifierList",
+        <Object>[
       commentAndMetadata(comment),
       staticKeyword,
       null,
       type
     ], "a = 1, b, c = 3;");
     expect(declaration.documentationComment, comment);
     VariableDeclarationList fields = declaration.fields;
     expect(fields, isNotNull);
     expect(fields.keyword, isNull);
     expect(fields.type, type);
     expect(fields.variables, hasLength(3));
     expect(declaration.staticKeyword, staticKeyword);
     expect(declaration.semicolon, isNotNull);
   }
 
   void test_parseInitializedIdentifierList_var() {
     Comment comment = Comment.createDocumentationComment(new List<Token>(0));
     Token staticKeyword = TokenFactory.tokenFromKeyword(Keyword.STATIC);
     Token varKeyword = TokenFactory.tokenFromKeyword(Keyword.VAR);
-    FieldDeclaration declaration = ParserTestCase.parse(
-        "parseInitializedIdentifierList", <Object>[
+    FieldDeclaration declaration = parse("parseInitializedIdentifierList",
+        <Object>[
       commentAndMetadata(comment),
       staticKeyword,
       varKeyword,
       null
     ], "a = 1, b, c = 3;");
     expect(declaration.documentationComment, comment);
     VariableDeclarationList fields = declaration.fields;
     expect(fields, isNotNull);
     expect(fields.keyword, varKeyword);
     expect(fields.type, isNull);
     expect(fields.variables, hasLength(3));
     expect(declaration.staticKeyword, staticKeyword);
     expect(declaration.semicolon, isNotNull);
   }
 
   void test_parseInstanceCreationExpression_qualifiedType() {
     Token token = TokenFactory.tokenFromKeyword(Keyword.NEW);
-    InstanceCreationExpression expression = ParserTestCase.parse(
-        "parseInstanceCreationExpression", <Object>[token], "A.B()");
+    InstanceCreationExpression expression =
+        parse("parseInstanceCreationExpression", <Object>[token], "A.B()");
     expect(expression.keyword, token);
     ConstructorName name = expression.constructorName;
     expect(name, isNotNull);
     expect(name.type, isNotNull);
     expect(name.period, isNull);
     expect(name.name, isNull);
     expect(expression.argumentList, isNotNull);
   }
 
   void test_parseInstanceCreationExpression_qualifiedType_named() {
     Token token = TokenFactory.tokenFromKeyword(Keyword.NEW);
-    InstanceCreationExpression expression = ParserTestCase.parse(
-        "parseInstanceCreationExpression", <Object>[token], "A.B.c()");
+    InstanceCreationExpression expression =
+        parse("parseInstanceCreationExpression", <Object>[token], "A.B.c()");
     expect(expression.keyword, token);
     ConstructorName name = expression.constructorName;
     expect(name, isNotNull);
     expect(name.type, isNotNull);
     expect(name.period, isNotNull);
     expect(name.name, isNotNull);
     expect(expression.argumentList, isNotNull);
   }
 
   void test_parseInstanceCreationExpression_type() {
     Token token = TokenFactory.tokenFromKeyword(Keyword.NEW);
-    InstanceCreationExpression expression = ParserTestCase.parse(
-        "parseInstanceCreationExpression", <Object>[token], "A()");
+    InstanceCreationExpression expression =
+        parse("parseInstanceCreationExpression", <Object>[token], "A()");
     expect(expression.keyword, token);
     ConstructorName name = expression.constructorName;
     expect(name, isNotNull);
     expect(name.type, isNotNull);
     expect(name.period, isNull);
     expect(name.name, isNull);
     expect(expression.argumentList, isNotNull);
   }
 
   void test_parseInstanceCreationExpression_type_named() {
     Token token = TokenFactory.tokenFromKeyword(Keyword.NEW);
-    InstanceCreationExpression expression = ParserTestCase.parse(
-        "parseInstanceCreationExpression", <Object>[token], "A<B>.c()");
+    InstanceCreationExpression expression =
+        parse("parseInstanceCreationExpression", <Object>[token], "A<B>.c()");
     expect(expression.keyword, token);
     ConstructorName name = expression.constructorName;
     expect(name, isNotNull);
     expect(name.type, isNotNull);
     expect(name.period, isNotNull);
     expect(name.name, isNotNull);
     expect(expression.argumentList, isNotNull);
   }
 
   void test_parseLibraryDirective() {
-    LibraryDirective directive = ParserTestCase.parse("parseLibraryDirective",
+    LibraryDirective directive = parse("parseLibraryDirective",
         <Object>[emptyCommentAndMetadata()], "library l;");
     expect(directive.libraryKeyword, isNotNull);
     expect(directive.name, isNotNull);
     expect(directive.semicolon, isNotNull);
   }
 
   void test_parseLibraryIdentifier_multiple() {
     String name = "a.b.c";
-    LibraryIdentifier identifier =
-        ParserTestCase.parse4("parseLibraryIdentifier", name);
+    LibraryIdentifier identifier = parse4("parseLibraryIdentifier", name);
     expect(identifier.name, name);
   }
 
   void test_parseLibraryIdentifier_single() {
     String name = "a";
-    LibraryIdentifier identifier =
-        ParserTestCase.parse4("parseLibraryIdentifier", name);
+    LibraryIdentifier identifier = parse4("parseLibraryIdentifier", name);
     expect(identifier.name, name);
   }
 
   void test_parseListLiteral_empty_oneToken() {
     Token token = TokenFactory.tokenFromKeyword(Keyword.CONST);
     TypeArgumentList typeArguments = null;
-    ListLiteral literal = ParserTestCase.parse(
-        "parseListLiteral", <Object>[token, typeArguments], "[]");
+    ListLiteral literal =
+        parse("parseListLiteral", <Object>[token, typeArguments], "[]");
     expect(literal.constKeyword, token);
     expect(literal.typeArguments, typeArguments);
     expect(literal.leftBracket, isNotNull);
     expect(literal.elements, hasLength(0));
     expect(literal.rightBracket, isNotNull);
   }
 
   void test_parseListLiteral_empty_oneToken_withComment() {
     Token constToken = null;
     TypeArgumentList typeArguments = null;
-    ListLiteral literal = ParserTestCase.parse(
+    ListLiteral literal = parse(
         "parseListLiteral", <Object>[constToken, typeArguments], "/* 0 */ []");
     expect(literal.constKeyword, constToken);
     expect(literal.typeArguments, typeArguments);
     Token leftBracket = literal.leftBracket;
     expect(leftBracket, isNotNull);
     expect(leftBracket.precedingComments, isNotNull);
     expect(literal.elements, hasLength(0));
     expect(literal.rightBracket, isNotNull);
   }
 
   void test_parseListLiteral_empty_twoTokens() {
     Token token = TokenFactory.tokenFromKeyword(Keyword.CONST);
     TypeArgumentList typeArguments = null;
-    ListLiteral literal = ParserTestCase.parse(
-        "parseListLiteral", <Object>[token, typeArguments], "[ ]");
+    ListLiteral literal =
+        parse("parseListLiteral", <Object>[token, typeArguments], "[ ]");
     expect(literal.constKeyword, token);
     expect(literal.typeArguments, typeArguments);
     expect(literal.leftBracket, isNotNull);
     expect(literal.elements, hasLength(0));
     expect(literal.rightBracket, isNotNull);
   }
 
   void test_parseListLiteral_multiple() {
-    ListLiteral literal = ParserTestCase.parse(
-        "parseListLiteral", <Object>[null, null], "[1, 2, 3]");
+    ListLiteral literal =
+        parse("parseListLiteral", <Object>[null, null], "[1, 2, 3]");
     expect(literal.constKeyword, isNull);
     expect(literal.typeArguments, isNull);
     expect(literal.leftBracket, isNotNull);
     expect(literal.elements, hasLength(3));
     expect(literal.rightBracket, isNotNull);
   }
 
   void test_parseListLiteral_single() {
     ListLiteral literal =
-        ParserTestCase.parse("parseListLiteral", <Object>[null, null], "[1]");
+        parse("parseListLiteral", <Object>[null, null], "[1]");
     expect(literal.constKeyword, isNull);
     expect(literal.typeArguments, isNull);
     expect(literal.leftBracket, isNotNull);
     expect(literal.elements, hasLength(1));
     expect(literal.rightBracket, isNotNull);
   }
 
   void test_parseListOrMapLiteral_list_noType() {
-    ListLiteral literal =
-        ParserTestCase.parse("parseListOrMapLiteral", <Object>[null], "[1]");
+    ListLiteral literal = parse("parseListOrMapLiteral", <Object>[null], "[1]");
     expect(literal.constKeyword, isNull);
     expect(literal.typeArguments, isNull);
     expect(literal.leftBracket, isNotNull);
     expect(literal.elements, hasLength(1));
     expect(literal.rightBracket, isNotNull);
   }
 
   void test_parseListOrMapLiteral_list_type() {
-    ListLiteral literal = ParserTestCase.parse(
-        "parseListOrMapLiteral", <Object>[null], "<int> [1]");
+    ListLiteral literal =
+        parse("parseListOrMapLiteral", <Object>[null], "<int> [1]");
     expect(literal.constKeyword, isNull);
     expect(literal.typeArguments, isNotNull);
     expect(literal.leftBracket, isNotNull);
     expect(literal.elements, hasLength(1));
     expect(literal.rightBracket, isNotNull);
   }
 
   void test_parseListOrMapLiteral_map_noType() {
-    MapLiteral literal = ParserTestCase.parse(
-        "parseListOrMapLiteral", <Object>[null], "{'1' : 1}");
+    MapLiteral literal =
+        parse("parseListOrMapLiteral", <Object>[null], "{'1' : 1}");
     expect(literal.constKeyword, isNull);
     expect(literal.typeArguments, isNull);
     expect(literal.leftBracket, isNotNull);
     expect(literal.entries, hasLength(1));
     expect(literal.rightBracket, isNotNull);
   }
 
   void test_parseListOrMapLiteral_map_type() {
-    MapLiteral literal = ParserTestCase.parse(
+    MapLiteral literal = parse(
         "parseListOrMapLiteral", <Object>[null], "<String, int> {'1' : 1}");
     expect(literal.constKeyword, isNull);
     expect(literal.typeArguments, isNotNull);
     expect(literal.leftBracket, isNotNull);
     expect(literal.entries, hasLength(1));
     expect(literal.rightBracket, isNotNull);
   }
 
   void test_parseLogicalAndExpression() {
-    BinaryExpression expression =
-        ParserTestCase.parse4("parseLogicalAndExpression", "x && y");
+    BinaryExpression expression = parse4("parseLogicalAndExpression", "x && y");
     expect(expression.leftOperand, isNotNull);
     expect(expression.operator, isNotNull);
     expect(expression.operator.type, TokenType.AMPERSAND_AMPERSAND);
     expect(expression.rightOperand, isNotNull);
   }
 
   void test_parseLogicalOrExpression() {
-    BinaryExpression expression =
-        ParserTestCase.parse4("parseLogicalOrExpression", "x || y");
+    BinaryExpression expression = parse4("parseLogicalOrExpression", "x || y");
     expect(expression.leftOperand, isNotNull);
     expect(expression.operator, isNotNull);
     expect(expression.operator.type, TokenType.BAR_BAR);
     expect(expression.rightOperand, isNotNull);
   }
 
   void test_parseMapLiteral_empty() {
     Token token = TokenFactory.tokenFromKeyword(Keyword.CONST);
     TypeArgumentList typeArguments = AstFactory.typeArgumentList(
         [AstFactory.typeName4("String"), AstFactory.typeName4("int")]);
-    MapLiteral literal = ParserTestCase.parse(
-        "parseMapLiteral", <Object>[token, typeArguments], "{}");
+    MapLiteral literal =
+        parse("parseMapLiteral", <Object>[token, typeArguments], "{}");
     expect(literal.constKeyword, token);
     expect(literal.typeArguments, typeArguments);
     expect(literal.leftBracket, isNotNull);
     expect(literal.entries, hasLength(0));
     expect(literal.rightBracket, isNotNull);
   }
 
   void test_parseMapLiteral_multiple() {
-    MapLiteral literal = ParserTestCase.parse(
-        "parseMapLiteral", <Object>[null, null], "{'a' : b, 'x' : y}");
+    MapLiteral literal =
+        parse("parseMapLiteral", <Object>[null, null], "{'a' : b, 'x' : y}");
     expect(literal.leftBracket, isNotNull);
     expect(literal.entries, hasLength(2));
     expect(literal.rightBracket, isNotNull);
   }
 
   void test_parseMapLiteral_single() {
-    MapLiteral literal = ParserTestCase.parse(
-        "parseMapLiteral", <Object>[null, null], "{'x' : y}");
+    MapLiteral literal =
+        parse("parseMapLiteral", <Object>[null, null], "{'x' : y}");
     expect(literal.leftBracket, isNotNull);
     expect(literal.entries, hasLength(1));
     expect(literal.rightBracket, isNotNull);
   }
 
   void test_parseMapLiteralEntry_complex() {
-    MapLiteralEntry entry =
-        ParserTestCase.parse4("parseMapLiteralEntry", "2 + 2 : y");
+    MapLiteralEntry entry = parse4("parseMapLiteralEntry", "2 + 2 : y");
     expect(entry.key, isNotNull);
     expect(entry.separator, isNotNull);
     expect(entry.value, isNotNull);
   }
 
   void test_parseMapLiteralEntry_int() {
-    MapLiteralEntry entry =
-        ParserTestCase.parse4("parseMapLiteralEntry", "0 : y");
+    MapLiteralEntry entry = parse4("parseMapLiteralEntry", "0 : y");
     expect(entry.key, isNotNull);
     expect(entry.separator, isNotNull);
     expect(entry.value, isNotNull);
   }
 
   void test_parseMapLiteralEntry_string() {
-    MapLiteralEntry entry =
-        ParserTestCase.parse4("parseMapLiteralEntry", "'x' : y");
+    MapLiteralEntry entry = parse4("parseMapLiteralEntry", "'x' : y");
     expect(entry.key, isNotNull);
     expect(entry.separator, isNotNull);
     expect(entry.value, isNotNull);
   }
 
   void test_parseModifiers_abstract() {
-    Modifiers modifiers = ParserTestCase.parse4("parseModifiers", "abstract A");
+    Modifiers modifiers = parse4("parseModifiers", "abstract A");
     expect(modifiers.abstractKeyword, isNotNull);
   }
 
   void test_parseModifiers_const() {
-    Modifiers modifiers = ParserTestCase.parse4("parseModifiers", "const A");
+    Modifiers modifiers = parse4("parseModifiers", "const A");
     expect(modifiers.constKeyword, isNotNull);
   }
 
   void test_parseModifiers_external() {
-    Modifiers modifiers = ParserTestCase.parse4("parseModifiers", "external A");
+    Modifiers modifiers = parse4("parseModifiers", "external A");
     expect(modifiers.externalKeyword, isNotNull);
   }
 
   void test_parseModifiers_factory() {
-    Modifiers modifiers = ParserTestCase.parse4("parseModifiers", "factory A");
+    Modifiers modifiers = parse4("parseModifiers", "factory A");
     expect(modifiers.factoryKeyword, isNotNull);
   }
 
   void test_parseModifiers_final() {
-    Modifiers modifiers = ParserTestCase.parse4("parseModifiers", "final A");
+    Modifiers modifiers = parse4("parseModifiers", "final A");
     expect(modifiers.finalKeyword, isNotNull);
   }
 
   void test_parseModifiers_static() {
-    Modifiers modifiers = ParserTestCase.parse4("parseModifiers", "static A");
+    Modifiers modifiers = parse4("parseModifiers", "static A");
     expect(modifiers.staticKeyword, isNotNull);
   }
 
   void test_parseModifiers_var() {
-    Modifiers modifiers = ParserTestCase.parse4("parseModifiers", "var A");
+    Modifiers modifiers = parse4("parseModifiers", "var A");
     expect(modifiers.varKeyword, isNotNull);
   }
 
   void test_parseMultiplicativeExpression_normal() {
     BinaryExpression expression =
-        ParserTestCase.parse4("parseMultiplicativeExpression", "x * y");
+        parse4("parseMultiplicativeExpression", "x * y");
     expect(expression.leftOperand, isNotNull);
     expect(expression.operator, isNotNull);
     expect(expression.operator.type, TokenType.STAR);
     expect(expression.rightOperand, isNotNull);
   }
 
   void test_parseMultiplicativeExpression_super() {
     BinaryExpression expression =
-        ParserTestCase.parse4("parseMultiplicativeExpression", "super * y");
+        parse4("parseMultiplicativeExpression", "super * y");
     EngineTestCase.assertInstanceOf((obj) => obj is SuperExpression,
         SuperExpression, expression.leftOperand);
     expect(expression.operator, isNotNull);
     expect(expression.operator.type, TokenType.STAR);
     expect(expression.rightOperand, isNotNull);
   }
 
   void test_parseNewExpression() {
     InstanceCreationExpression expression =
-        ParserTestCase.parse4("parseNewExpression", "new A()");
+        parse4("parseNewExpression", "new A()");
     expect(expression.keyword, isNotNull);
     ConstructorName name = expression.constructorName;
     expect(name, isNotNull);
     expect(name.type, isNotNull);
     expect(name.period, isNull);
     expect(name.name, isNull);
     expect(expression.argumentList, isNotNull);
   }
 
   void test_parseNonLabeledStatement_const_list_empty() {
     ExpressionStatement statement =
-        ParserTestCase.parse4("parseNonLabeledStatement", "const [];");
+        parse4("parseNonLabeledStatement", "const [];");
     expect(statement.expression, isNotNull);
   }
 
   void test_parseNonLabeledStatement_const_list_nonEmpty() {
     ExpressionStatement statement =
-        ParserTestCase.parse4("parseNonLabeledStatement", "const [1, 2];");
+        parse4("parseNonLabeledStatement", "const [1, 2];");
     expect(statement.expression, isNotNull);
   }
 
   void test_parseNonLabeledStatement_const_map_empty() {
     ExpressionStatement statement =
-        ParserTestCase.parse4("parseNonLabeledStatement", "const {};");
+        parse4("parseNonLabeledStatement", "const {};");
     expect(statement.expression, isNotNull);
   }
 
   void test_parseNonLabeledStatement_const_map_nonEmpty() {
     // TODO(brianwilkerson) Implement more tests for this method.
     ExpressionStatement statement =
-        ParserTestCase.parse4("parseNonLabeledStatement", "const {'a' : 1};");
+        parse4("parseNonLabeledStatement", "const {'a' : 1};");
     expect(statement.expression, isNotNull);
   }
 
   void test_parseNonLabeledStatement_const_object() {
     ExpressionStatement statement =
-        ParserTestCase.parse4("parseNonLabeledStatement", "const A();");
+        parse4("parseNonLabeledStatement", "const A();");
     expect(statement.expression, isNotNull);
   }
 
   void test_parseNonLabeledStatement_const_object_named_typeParameters() {
     ExpressionStatement statement =
-        ParserTestCase.parse4("parseNonLabeledStatement", "const A<B>.c();");
+        parse4("parseNonLabeledStatement", "const A<B>.c();");
     expect(statement.expression, isNotNull);
   }
 
   void test_parseNonLabeledStatement_constructorInvocation() {
     ExpressionStatement statement =
-        ParserTestCase.parse4("parseNonLabeledStatement", "new C().m();");
+        parse4("parseNonLabeledStatement", "new C().m();");
     expect(statement.expression, isNotNull);
   }
 
   void test_parseNonLabeledStatement_false() {
     ExpressionStatement statement =
-        ParserTestCase.parse4("parseNonLabeledStatement", "false;");
+        parse4("parseNonLabeledStatement", "false;");
     expect(statement.expression, isNotNull);
   }
 
   void test_parseNonLabeledStatement_functionDeclaration() {
-    ParserTestCase.parse4("parseNonLabeledStatement", "f() {};");
+    parse4("parseNonLabeledStatement", "f() {};");
   }
 
   void test_parseNonLabeledStatement_functionDeclaration_arguments() {
-    ParserTestCase.parse4("parseNonLabeledStatement", "f(void g()) {};");
+    parse4("parseNonLabeledStatement", "f(void g()) {};");
   }
 
   void test_parseNonLabeledStatement_functionExpressionIndex() {
-    ParserTestCase.parse4("parseNonLabeledStatement", "() {}[0] = null;");
+    parse4("parseNonLabeledStatement", "() {}[0] = null;");
   }
 
   void test_parseNonLabeledStatement_functionInvocation() {
-    ExpressionStatement statement =
-        ParserTestCase.parse4("parseNonLabeledStatement", "f();");
+    ExpressionStatement statement = parse4("parseNonLabeledStatement", "f();");
     expect(statement.expression, isNotNull);
   }
 
   void test_parseNonLabeledStatement_invokeFunctionExpression() {
-    ExpressionStatement statement = ParserTestCase.parse4(
-        "parseNonLabeledStatement", "(a) {return a + a;} (3);");
+    ExpressionStatement statement =
+        parse4("parseNonLabeledStatement", "(a) {return a + a;} (3);");
     EngineTestCase.assertInstanceOf(
         (obj) => obj is FunctionExpressionInvocation,
         FunctionExpressionInvocation, statement.expression);
     FunctionExpressionInvocation invocation =
         statement.expression as FunctionExpressionInvocation;
     EngineTestCase.assertInstanceOf((obj) => obj is FunctionExpression,
         FunctionExpression, invocation.function);
     FunctionExpression expression = invocation.function as FunctionExpression;
     expect(expression.parameters, isNotNull);
     expect(expression.body, isNotNull);
     ArgumentList list = invocation.argumentList;
     expect(list, isNotNull);
     expect(list.arguments, hasLength(1));
   }
 
   void test_parseNonLabeledStatement_null() {
-    ExpressionStatement statement =
-        ParserTestCase.parse4("parseNonLabeledStatement", "null;");
+    ExpressionStatement statement = parse4("parseNonLabeledStatement", "null;");
     expect(statement.expression, isNotNull);
   }
 
   void test_parseNonLabeledStatement_startingWithBuiltInIdentifier() {
     ExpressionStatement statement =
-        ParserTestCase.parse4("parseNonLabeledStatement", "library.getName();");
+        parse4("parseNonLabeledStatement", "library.getName();");
     expect(statement.expression, isNotNull);
   }
 
   void test_parseNonLabeledStatement_true() {
-    ExpressionStatement statement =
-        ParserTestCase.parse4("parseNonLabeledStatement", "true;");
+    ExpressionStatement statement = parse4("parseNonLabeledStatement", "true;");
     expect(statement.expression, isNotNull);
   }
 
   void test_parseNonLabeledStatement_typeCast() {
     ExpressionStatement statement =
-        ParserTestCase.parse4("parseNonLabeledStatement", "double.NAN as num;");
+        parse4("parseNonLabeledStatement", "double.NAN as num;");
     expect(statement.expression, isNotNull);
   }
 
   void test_parseNormalFormalParameter_field_const_noType() {
     FieldFormalParameter parameter =
-        ParserTestCase.parse4("parseNormalFormalParameter", "const this.a)");
+        parse4("parseNormalFormalParameter", "const this.a)");
     expect(parameter.keyword, isNotNull);
     expect(parameter.type, isNull);
     expect(parameter.identifier, isNotNull);
     expect(parameter.parameters, isNull);
   }
 
   void test_parseNormalFormalParameter_field_const_type() {
     FieldFormalParameter parameter =
-        ParserTestCase.parse4("parseNormalFormalParameter", "const A this.a)");
+        parse4("parseNormalFormalParameter", "const A this.a)");
     expect(parameter.keyword, isNotNull);
     expect(parameter.type, isNotNull);
     expect(parameter.identifier, isNotNull);
     expect(parameter.parameters, isNull);
   }
 
   void test_parseNormalFormalParameter_field_final_noType() {
     FieldFormalParameter parameter =
-        ParserTestCase.parse4("parseNormalFormalParameter", "final this.a)");
+        parse4("parseNormalFormalParameter", "final this.a)");
     expect(parameter.keyword, isNotNull);
     expect(parameter.type, isNull);
     expect(parameter.identifier, isNotNull);
     expect(parameter.parameters, isNull);
   }
 
   void test_parseNormalFormalParameter_field_final_type() {
     FieldFormalParameter parameter =
-        ParserTestCase.parse4("parseNormalFormalParameter", "final A this.a)");
+        parse4("parseNormalFormalParameter", "final A this.a)");
     expect(parameter.keyword, isNotNull);
     expect(parameter.type, isNotNull);
     expect(parameter.identifier, isNotNull);
     expect(parameter.parameters, isNull);
   }
 
   void test_parseNormalFormalParameter_field_function_nested() {
     FieldFormalParameter parameter =
-        ParserTestCase.parse4("parseNormalFormalParameter", "this.a(B b))");
+        parse4("parseNormalFormalParameter", "this.a(B b))");
     expect(parameter.keyword, isNull);
     expect(parameter.type, isNull);
     expect(parameter.identifier, isNotNull);
     FormalParameterList parameterList = parameter.parameters;
     expect(parameterList, isNotNull);
     expect(parameterList.parameters, hasLength(1));
   }
 
   void test_parseNormalFormalParameter_field_function_noNested() {
     FieldFormalParameter parameter =
-        ParserTestCase.parse4("parseNormalFormalParameter", "this.a())");
+        parse4("parseNormalFormalParameter", "this.a())");
     expect(parameter.keyword, isNull);
     expect(parameter.type, isNull);
     expect(parameter.identifier, isNotNull);
     FormalParameterList parameterList = parameter.parameters;
     expect(parameterList, isNotNull);
     expect(parameterList.parameters, hasLength(0));
   }
 
   void test_parseNormalFormalParameter_field_noType() {
     FieldFormalParameter parameter =
-        ParserTestCase.parse4("parseNormalFormalParameter", "this.a)");
+        parse4("parseNormalFormalParameter", "this.a)");
     expect(parameter.keyword, isNull);
     expect(parameter.type, isNull);
     expect(parameter.identifier, isNotNull);
     expect(parameter.parameters, isNull);
   }
 
   void test_parseNormalFormalParameter_field_type() {
     FieldFormalParameter parameter =
-        ParserTestCase.parse4("parseNormalFormalParameter", "A this.a)");
+        parse4("parseNormalFormalParameter", "A this.a)");
     expect(parameter.keyword, isNull);
     expect(parameter.type, isNotNull);
     expect(parameter.identifier, isNotNull);
     expect(parameter.parameters, isNull);
   }
 
   void test_parseNormalFormalParameter_field_var() {
     FieldFormalParameter parameter =
-        ParserTestCase.parse4("parseNormalFormalParameter", "var this.a)");
+        parse4("parseNormalFormalParameter", "var this.a)");
     expect(parameter.keyword, isNotNull);
     expect(parameter.type, isNull);
     expect(parameter.identifier, isNotNull);
     expect(parameter.parameters, isNull);
   }
 
   void test_parseNormalFormalParameter_function_noType() {
     FunctionTypedFormalParameter parameter =
-        ParserTestCase.parse4("parseNormalFormalParameter", "a())");
+        parse4("parseNormalFormalParameter", "a())");
     expect(parameter.returnType, isNull);
     expect(parameter.identifier, isNotNull);
     expect(parameter.parameters, isNotNull);
   }
 
   void test_parseNormalFormalParameter_function_type() {
     FunctionTypedFormalParameter parameter =
-        ParserTestCase.parse4("parseNormalFormalParameter", "A a())");
+        parse4("parseNormalFormalParameter", "A a())");
     expect(parameter.returnType, isNotNull);
     expect(parameter.identifier, isNotNull);
     expect(parameter.parameters, isNotNull);
   }
 
   void test_parseNormalFormalParameter_function_void() {
     FunctionTypedFormalParameter parameter =
-        ParserTestCase.parse4("parseNormalFormalParameter", "void a())");
+        parse4("parseNormalFormalParameter", "void a())");
     expect(parameter.returnType, isNotNull);
     expect(parameter.identifier, isNotNull);
     expect(parameter.parameters, isNotNull);
   }
 
   void test_parseNormalFormalParameter_simple_const_noType() {
     SimpleFormalParameter parameter =
-        ParserTestCase.parse4("parseNormalFormalParameter", "const a)");
+        parse4("parseNormalFormalParameter", "const a)");
     expect(parameter.keyword, isNotNull);
     expect(parameter.type, isNull);
     expect(parameter.identifier, isNotNull);
   }
 
   void test_parseNormalFormalParameter_simple_const_type() {
     SimpleFormalParameter parameter =
-        ParserTestCase.parse4("parseNormalFormalParameter", "const A a)");
+        parse4("parseNormalFormalParameter", "const A a)");
     expect(parameter.keyword, isNotNull);
     expect(parameter.type, isNotNull);
     expect(parameter.identifier, isNotNull);
   }
 
   void test_parseNormalFormalParameter_simple_final_noType() {
     SimpleFormalParameter parameter =
-        ParserTestCase.parse4("parseNormalFormalParameter", "final a)");
+        parse4("parseNormalFormalParameter", "final a)");
     expect(parameter.keyword, isNotNull);
     expect(parameter.type, isNull);
     expect(parameter.identifier, isNotNull);
   }
 
   void test_parseNormalFormalParameter_simple_final_type() {
     SimpleFormalParameter parameter =
-        ParserTestCase.parse4("parseNormalFormalParameter", "final A a)");
+        parse4("parseNormalFormalParameter", "final A a)");
     expect(parameter.keyword, isNotNull);
     expect(parameter.type, isNotNull);
     expect(parameter.identifier, isNotNull);
   }
 
   void test_parseNormalFormalParameter_simple_noType() {
     SimpleFormalParameter parameter =
-        ParserTestCase.parse4("parseNormalFormalParameter", "a)");
+        parse4("parseNormalFormalParameter", "a)");
     expect(parameter.keyword, isNull);
     expect(parameter.type, isNull);
     expect(parameter.identifier, isNotNull);
   }
 
   void test_parseNormalFormalParameter_simple_type() {
     SimpleFormalParameter parameter =
-        ParserTestCase.parse4("parseNormalFormalParameter", "A a)");
+        parse4("parseNormalFormalParameter", "A a)");
     expect(parameter.keyword, isNull);
     expect(parameter.type, isNotNull);
     expect(parameter.identifier, isNotNull);
   }
 
   void test_parseOperator() {
     Comment comment = Comment.createDocumentationComment(new List<Token>(0));
     TypeName returnType = new TypeName(new SimpleIdentifier(null), null);
-    MethodDeclaration method = ParserTestCase.parse("parseOperator", <Object>[
+    MethodDeclaration method = parse("parseOperator", <Object>[
       commentAndMetadata(comment),
       null,
       returnType
     ], "operator +(A a);");
     expect(method.body, isNotNull);
     expect(method.documentationComment, comment);
     expect(method.externalKeyword, isNull);
     expect(method.modifierKeyword, isNull);
     expect(method.name, isNotNull);
     expect(method.operatorKeyword, isNotNull);
     expect(method.parameters, isNotNull);
     expect(method.propertyKeyword, isNull);
     expect(method.returnType, returnType);
   }
 
   void test_parseOptionalReturnType() {
     // TODO(brianwilkerson) Implement tests for this method.
   }
 
   void test_parsePartDirective_part() {
-    PartDirective directive = ParserTestCase.parse("parsePartDirective",
+    PartDirective directive = parse("parsePartDirective",
         <Object>[emptyCommentAndMetadata()], "part 'lib/lib.dart';");
     expect(directive.partKeyword, isNotNull);
     expect(directive.uri, isNotNull);
     expect(directive.semicolon, isNotNull);
   }
 
   void test_parsePartDirective_partOf() {
-    PartOfDirective directive = ParserTestCase.parse("parsePartDirective",
+    PartOfDirective directive = parse("parsePartDirective",
         <Object>[emptyCommentAndMetadata()], "part of l;");
     expect(directive.partKeyword, isNotNull);
     expect(directive.ofKeyword, isNotNull);
     expect(directive.libraryName, isNotNull);
     expect(directive.semicolon, isNotNull);
   }
 
   void test_parsePostfixExpression_decrement() {
-    PostfixExpression expression =
-        ParserTestCase.parse4("parsePostfixExpression", "i--");
+    PostfixExpression expression = parse4("parsePostfixExpression", "i--");
     expect(expression.operand, isNotNull);
     expect(expression.operator, isNotNull);
     expect(expression.operator.type, TokenType.MINUS_MINUS);
   }
 
   void test_parsePostfixExpression_increment() {
-    PostfixExpression expression =
-        ParserTestCase.parse4("parsePostfixExpression", "i++");
+    PostfixExpression expression = parse4("parsePostfixExpression", "i++");
     expect(expression.operand, isNotNull);
     expect(expression.operator, isNotNull);
     expect(expression.operator.type, TokenType.PLUS_PLUS);
   }
 
   void test_parsePostfixExpression_none_indexExpression() {
-    IndexExpression expression =
-        ParserTestCase.parse4("parsePostfixExpression", "a[0]");
+    IndexExpression expression = parse4("parsePostfixExpression", "a[0]");
     expect(expression.target, isNotNull);
     expect(expression.index, isNotNull);
   }
 
   void test_parsePostfixExpression_none_methodInvocation() {
-    MethodInvocation expression =
-        ParserTestCase.parse4("parsePostfixExpression", "a.m()");
+    MethodInvocation expression = parse4("parsePostfixExpression", "a.m()");
     expect(expression.target, isNotNull);
     expect(expression.methodName, isNotNull);
     expect(expression.argumentList, isNotNull);
   }
 
   void test_parsePostfixExpression_none_propertyAccess() {
-    PrefixedIdentifier expression =
-        ParserTestCase.parse4("parsePostfixExpression", "a.b");
+    PrefixedIdentifier expression = parse4("parsePostfixExpression", "a.b");
     expect(expression.prefix, isNotNull);
     expect(expression.identifier, isNotNull);
   }
 
   void test_parsePrefixedIdentifier_noPrefix() {
     String lexeme = "bar";
-    SimpleIdentifier identifier =
-        ParserTestCase.parse4("parsePrefixedIdentifier", lexeme);
+    SimpleIdentifier identifier = parse4("parsePrefixedIdentifier", lexeme);
     expect(identifier.token, isNotNull);
     expect(identifier.name, lexeme);
   }
 
   void test_parsePrefixedIdentifier_prefix() {
     String lexeme = "foo.bar";
-    PrefixedIdentifier identifier =
-        ParserTestCase.parse4("parsePrefixedIdentifier", lexeme);
+    PrefixedIdentifier identifier = parse4("parsePrefixedIdentifier", lexeme);
     expect(identifier.prefix.name, "foo");
     expect(identifier.period, isNotNull);
     expect(identifier.identifier.name, "bar");
   }
 
   void test_parsePrimaryExpression_const() {
     InstanceCreationExpression expression =
-        ParserTestCase.parse4("parsePrimaryExpression", "const A()");
+        parse4("parsePrimaryExpression", "const A()");
     expect(expression, isNotNull);
   }
 
   void test_parsePrimaryExpression_double() {
     String doubleLiteral = "3.2e4";
-    DoubleLiteral literal =
-        ParserTestCase.parse4("parsePrimaryExpression", doubleLiteral);
+    DoubleLiteral literal = parse4("parsePrimaryExpression", doubleLiteral);
     expect(literal.literal, isNotNull);
     expect(literal.value, double.parse(doubleLiteral));
   }
 
   void test_parsePrimaryExpression_false() {
-    BooleanLiteral literal =
-        ParserTestCase.parse4("parsePrimaryExpression", "false");
+    BooleanLiteral literal = parse4("parsePrimaryExpression", "false");
     expect(literal.literal, isNotNull);
     expect(literal.value, isFalse);
   }
 
   void test_parsePrimaryExpression_function_arguments() {
     FunctionExpression expression =
-        ParserTestCase.parse4("parsePrimaryExpression", "(int i) => i + 1");
+        parse4("parsePrimaryExpression", "(int i) => i + 1");
     expect(expression.parameters, isNotNull);
     expect(expression.body, isNotNull);
   }
 
   void test_parsePrimaryExpression_function_noArguments() {
     FunctionExpression expression =
-        ParserTestCase.parse4("parsePrimaryExpression", "() => 42");
+        parse4("parsePrimaryExpression", "() => 42");
     expect(expression.parameters, isNotNull);
     expect(expression.body, isNotNull);
   }
 
   void test_parsePrimaryExpression_hex() {
     String hexLiteral = "3F";
-    IntegerLiteral literal =
-        ParserTestCase.parse4("parsePrimaryExpression", "0x$hexLiteral");
+    IntegerLiteral literal = parse4("parsePrimaryExpression", "0x$hexLiteral");
     expect(literal.literal, isNotNull);
     expect(literal.value, int.parse(hexLiteral, radix: 16));
   }
 
   void test_parsePrimaryExpression_identifier() {
-    SimpleIdentifier identifier =
-        ParserTestCase.parse4("parsePrimaryExpression", "a");
+    SimpleIdentifier identifier = parse4("parsePrimaryExpression", "a");
     expect(identifier, isNotNull);
   }
 
   void test_parsePrimaryExpression_int() {
     String intLiteral = "472";
-    IntegerLiteral literal =
-        ParserTestCase.parse4("parsePrimaryExpression", intLiteral);
+    IntegerLiteral literal = parse4("parsePrimaryExpression", intLiteral);
     expect(literal.literal, isNotNull);
     expect(literal.value, int.parse(intLiteral));
   }
 
   void test_parsePrimaryExpression_listLiteral() {
-    ListLiteral literal =
-        ParserTestCase.parse4("parsePrimaryExpression", "[ ]");
+    ListLiteral literal = parse4("parsePrimaryExpression", "[ ]");
     expect(literal, isNotNull);
   }
 
   void test_parsePrimaryExpression_listLiteral_index() {
-    ListLiteral literal = ParserTestCase.parse4("parsePrimaryExpression", "[]");
+    ListLiteral literal = parse4("parsePrimaryExpression", "[]");
     expect(literal, isNotNull);
   }
 
   void test_parsePrimaryExpression_listLiteral_typed() {
-    ListLiteral literal =
-        ParserTestCase.parse4("parsePrimaryExpression", "<A>[ ]");
+    ListLiteral literal = parse4("parsePrimaryExpression", "<A>[ ]");
     expect(literal.typeArguments, isNotNull);
     expect(literal.typeArguments.arguments, hasLength(1));
   }
 
   void test_parsePrimaryExpression_mapLiteral() {
-    MapLiteral literal = ParserTestCase.parse4("parsePrimaryExpression", "{}");
+    MapLiteral literal = parse4("parsePrimaryExpression", "{}");
     expect(literal, isNotNull);
   }
 
   void test_parsePrimaryExpression_mapLiteral_typed() {
-    MapLiteral literal =
-        ParserTestCase.parse4("parsePrimaryExpression", "<A, B>{}");
+    MapLiteral literal = parse4("parsePrimaryExpression", "<A, B>{}");
     expect(literal.typeArguments, isNotNull);
     expect(literal.typeArguments.arguments, hasLength(2));
   }
 
   void test_parsePrimaryExpression_new() {
     InstanceCreationExpression expression =
-        ParserTestCase.parse4("parsePrimaryExpression", "new A()");
+        parse4("parsePrimaryExpression", "new A()");
     expect(expression, isNotNull);
   }
 
   void test_parsePrimaryExpression_null() {
-    NullLiteral literal =
-        ParserTestCase.parse4("parsePrimaryExpression", "null");
+    NullLiteral literal = parse4("parsePrimaryExpression", "null");
     expect(literal.literal, isNotNull);
   }
 
   void test_parsePrimaryExpression_parenthesized() {
     ParenthesizedExpression expression =
-        ParserTestCase.parse4("parsePrimaryExpression", "(x)");
+        parse4("parsePrimaryExpression", "(x)");
     expect(expression, isNotNull);
   }
 
   void test_parsePrimaryExpression_string() {
     SimpleStringLiteral literal =
-        ParserTestCase.parse4("parsePrimaryExpression", "\"string\"");
+        parse4("parsePrimaryExpression", "\"string\"");
     expect(literal.isMultiline, isFalse);
     expect(literal.isRaw, isFalse);
     expect(literal.value, "string");
   }
 
   void test_parsePrimaryExpression_string_multiline() {
     SimpleStringLiteral literal =
-        ParserTestCase.parse4("parsePrimaryExpression", "'''string'''");
+        parse4("parsePrimaryExpression", "'''string'''");
     expect(literal.isMultiline, isTrue);
     expect(literal.isRaw, isFalse);
     expect(literal.value, "string");
   }
 
   void test_parsePrimaryExpression_string_raw() {
-    SimpleStringLiteral literal =
-        ParserTestCase.parse4("parsePrimaryExpression", "r'string'");
+    SimpleStringLiteral literal = parse4("parsePrimaryExpression", "r'string'");
     expect(literal.isMultiline, isFalse);
     expect(literal.isRaw, isTrue);
     expect(literal.value, "string");
   }
 
   void test_parsePrimaryExpression_super() {
-    PropertyAccess propertyAccess =
-        ParserTestCase.parse4("parsePrimaryExpression", "super.x");
+    PropertyAccess propertyAccess = parse4("parsePrimaryExpression", "super.x");
     expect(propertyAccess.target is SuperExpression, isTrue);
     expect(propertyAccess.operator, isNotNull);
     expect(propertyAccess.operator.type, TokenType.PERIOD);
     expect(propertyAccess.propertyName, isNotNull);
   }
 
   void test_parsePrimaryExpression_this() {
-    ThisExpression expression =
-        ParserTestCase.parse4("parsePrimaryExpression", "this");
+    ThisExpression expression = parse4("parsePrimaryExpression", "this");
     expect(expression.thisKeyword, isNotNull);
   }
 
   void test_parsePrimaryExpression_true() {
-    BooleanLiteral literal =
-        ParserTestCase.parse4("parsePrimaryExpression", "true");
+    BooleanLiteral literal = parse4("parsePrimaryExpression", "true");
     expect(literal.literal, isNotNull);
     expect(literal.value, isTrue);
   }
 
   void test_Parser() {
     expect(new Parser(null, null), isNotNull);
   }
 
   void test_parseRedirectingConstructorInvocation_named() {
-    RedirectingConstructorInvocation invocation = ParserTestCase.parse4(
-        "parseRedirectingConstructorInvocation", "this.a()");
+    RedirectingConstructorInvocation invocation =
+        parse4("parseRedirectingConstructorInvocation", "this.a()");
     expect(invocation.argumentList, isNotNull);
     expect(invocation.constructorName, isNotNull);
     expect(invocation.thisKeyword, isNotNull);
     expect(invocation.period, isNotNull);
   }
 
   void test_parseRedirectingConstructorInvocation_unnamed() {
-    RedirectingConstructorInvocation invocation = ParserTestCase.parse4(
-        "parseRedirectingConstructorInvocation", "this()");
+    RedirectingConstructorInvocation invocation =
+        parse4("parseRedirectingConstructorInvocation", "this()");
     expect(invocation.argumentList, isNotNull);
     expect(invocation.constructorName, isNull);
     expect(invocation.thisKeyword, isNotNull);
     expect(invocation.period, isNull);
   }
 
   void test_parseRelationalExpression_as() {
-    AsExpression expression =
-        ParserTestCase.parse4("parseRelationalExpression", "x as Y");
+    AsExpression expression = parse4("parseRelationalExpression", "x as Y");
     expect(expression.expression, isNotNull);
     expect(expression.asOperator, isNotNull);
     expect(expression.type, isNotNull);
   }
 
   void test_parseRelationalExpression_is() {
-    IsExpression expression =
-        ParserTestCase.parse4("parseRelationalExpression", "x is y");
+    IsExpression expression = parse4("parseRelationalExpression", "x is y");
     expect(expression.expression, isNotNull);
     expect(expression.isOperator, isNotNull);
     expect(expression.notOperator, isNull);
     expect(expression.type, isNotNull);
   }
 
   void test_parseRelationalExpression_isNot() {
-    IsExpression expression =
-        ParserTestCase.parse4("parseRelationalExpression", "x is! y");
+    IsExpression expression = parse4("parseRelationalExpression", "x is! y");
     expect(expression.expression, isNotNull);
     expect(expression.isOperator, isNotNull);
     expect(expression.notOperator, isNotNull);
     expect(expression.type, isNotNull);
   }
 
   void test_parseRelationalExpression_normal() {
-    BinaryExpression expression =
-        ParserTestCase.parse4("parseRelationalExpression", "x < y");
+    BinaryExpression expression = parse4("parseRelationalExpression", "x < y");
     expect(expression.leftOperand, isNotNull);
     expect(expression.operator, isNotNull);
     expect(expression.operator.type, TokenType.LT);
     expect(expression.rightOperand, isNotNull);
   }
 
   void test_parseRelationalExpression_super() {
     BinaryExpression expression =
-        ParserTestCase.parse4("parseRelationalExpression", "super < y");
+        parse4("parseRelationalExpression", "super < y");
     expect(expression.leftOperand, isNotNull);
     expect(expression.operator, isNotNull);
     expect(expression.operator.type, TokenType.LT);
     expect(expression.rightOperand, isNotNull);
   }
 
   void test_parseRethrowExpression() {
-    RethrowExpression expression =
-        ParserTestCase.parse4("parseRethrowExpression", "rethrow;");
+    RethrowExpression expression = parse4("parseRethrowExpression", "rethrow;");
     expect(expression.rethrowKeyword, isNotNull);
   }
 
   void test_parseReturnStatement_noValue() {
-    ReturnStatement statement =
-        ParserTestCase.parse4("parseReturnStatement", "return;");
+    ReturnStatement statement = parse4("parseReturnStatement", "return;");
     expect(statement.returnKeyword, isNotNull);
     expect(statement.expression, isNull);
     expect(statement.semicolon, isNotNull);
   }
 
   void test_parseReturnStatement_value() {
-    ReturnStatement statement =
-        ParserTestCase.parse4("parseReturnStatement", "return x;");
+    ReturnStatement statement = parse4("parseReturnStatement", "return x;");
     expect(statement.returnKeyword, isNotNull);
     expect(statement.expression, isNotNull);
     expect(statement.semicolon, isNotNull);
   }
 
   void test_parseReturnType_nonVoid() {
-    TypeName typeName = ParserTestCase.parse4("parseReturnType", "A<B>");
+    TypeName typeName = parse4("parseReturnType", "A<B>");
     expect(typeName.name, isNotNull);
     expect(typeName.typeArguments, isNotNull);
   }
 
   void test_parseReturnType_void() {
-    TypeName typeName = ParserTestCase.parse4("parseReturnType", "void");
+    TypeName typeName = parse4("parseReturnType", "void");
     expect(typeName.name, isNotNull);
     expect(typeName.typeArguments, isNull);
   }
 
   void test_parseSetter_nonStatic() {
     Comment comment = Comment.createDocumentationComment(new List<Token>(0));
     TypeName returnType = new TypeName(new SimpleIdentifier(null), null);
-    MethodDeclaration method = ParserTestCase.parse("parseSetter", <Object>[
+    MethodDeclaration method = parse("parseSetter", <Object>[
       commentAndMetadata(comment),
       null,
       null,
       returnType
     ], "set a(var x);");
     expect(method.body, isNotNull);
     expect(method.documentationComment, comment);
     expect(method.externalKeyword, isNull);
     expect(method.modifierKeyword, isNull);
     expect(method.name, isNotNull);
     expect(method.operatorKeyword, isNull);
     expect(method.parameters, isNotNull);
     expect(method.propertyKeyword, isNotNull);
     expect(method.returnType, returnType);
   }
 
   void test_parseSetter_static() {
     Comment comment = Comment.createDocumentationComment(new List<Token>(0));
     Token staticKeyword = TokenFactory.tokenFromKeyword(Keyword.STATIC);
     TypeName returnType = new TypeName(new SimpleIdentifier(null), null);
-    MethodDeclaration method = ParserTestCase.parse("parseSetter", <Object>[
+    MethodDeclaration method = parse("parseSetter", <Object>[
       commentAndMetadata(comment),
       null,
       staticKeyword,
       returnType
     ], "set a(var x) {}");
     expect(method.body, isNotNull);
     expect(method.documentationComment, comment);
     expect(method.externalKeyword, isNull);
     expect(method.modifierKeyword, staticKeyword);
     expect(method.name, isNotNull);
     expect(method.operatorKeyword, isNull);
     expect(method.parameters, isNotNull);
     expect(method.propertyKeyword, isNotNull);
     expect(method.returnType, returnType);
   }
 
   void test_parseShiftExpression_normal() {
-    BinaryExpression expression =
-        ParserTestCase.parse4("parseShiftExpression", "x << y");
+    BinaryExpression expression = parse4("parseShiftExpression", "x << y");
     expect(expression.leftOperand, isNotNull);
     expect(expression.operator, isNotNull);
     expect(expression.operator.type, TokenType.LT_LT);
     expect(expression.rightOperand, isNotNull);
   }
 
   void test_parseShiftExpression_super() {
-    BinaryExpression expression =
-        ParserTestCase.parse4("parseShiftExpression", "super << y");
+    BinaryExpression expression = parse4("parseShiftExpression", "super << y");
     expect(expression.leftOperand, isNotNull);
     expect(expression.operator, isNotNull);
     expect(expression.operator.type, TokenType.LT_LT);
     expect(expression.rightOperand, isNotNull);
   }
 
   void test_parseSimpleIdentifier1_normalIdentifier() {
     // TODO(brianwilkerson) Implement tests for this method.
   }
 
   void test_parseSimpleIdentifier_builtInIdentifier() {
     String lexeme = "as";
-    SimpleIdentifier identifier =
-        ParserTestCase.parse4("parseSimpleIdentifier", lexeme);
+    SimpleIdentifier identifier = parse4("parseSimpleIdentifier", lexeme);
     expect(identifier.token, isNotNull);
     expect(identifier.name, lexeme);
   }
 
   void test_parseSimpleIdentifier_normalIdentifier() {
     String lexeme = "foo";
-    SimpleIdentifier identifier =
-        ParserTestCase.parse4("parseSimpleIdentifier", lexeme);
+    SimpleIdentifier identifier = parse4("parseSimpleIdentifier", lexeme);
     expect(identifier.token, isNotNull);
     expect(identifier.name, lexeme);
   }
 
   void test_parseStatement_functionDeclaration() {
     // TODO(brianwilkerson) Implement more tests for this method.
     FunctionDeclarationStatement statement =
-        ParserTestCase.parse4("parseStatement", "int f(a, b) {};");
+        parse4("parseStatement", "int f(a, b) {};");
     expect(statement.functionDeclaration, isNotNull);
   }
 
   void test_parseStatement_mulipleLabels() {
-    LabeledStatement statement =
-        ParserTestCase.parse4("parseStatement", "l: m: return x;");
+    LabeledStatement statement = parse4("parseStatement", "l: m: return x;");
     expect(statement.labels, hasLength(2));
     expect(statement.statement, isNotNull);
   }
 
   void test_parseStatement_noLabels() {
-    ParserTestCase.parse4("parseStatement", "return x;");
+    parse4("parseStatement", "return x;");
   }
 
   void test_parseStatement_singleLabel() {
-    LabeledStatement statement =
-        ParserTestCase.parse4("parseStatement", "l: return x;");
+    LabeledStatement statement = parse4("parseStatement", "l: return x;");
     expect(statement.labels, hasLength(1));
     expect(statement.statement, isNotNull);
   }
 
   void test_parseStatements_multiple() {
     List<Statement> statements =
         ParserTestCase.parseStatements("return; return;", 2);
     expect(statements, hasLength(2));
   }
 
   void test_parseStatements_single() {
     List<Statement> statements = ParserTestCase.parseStatements("return;", 1);
     expect(statements, hasLength(1));
   }
 
   void test_parseStringLiteral_adjacent() {
-    AdjacentStrings literal =
-        ParserTestCase.parse4("parseStringLiteral", "'a' 'b'");
+    AdjacentStrings literal = parse4("parseStringLiteral", "'a' 'b'");
     NodeList<StringLiteral> strings = literal.strings;
     expect(strings, hasLength(2));
     StringLiteral firstString = strings[0];
     StringLiteral secondString = strings[1];
     expect((firstString as SimpleStringLiteral).value, "a");
     expect((secondString as SimpleStringLiteral).value, "b");
   }
 
   void test_parseStringLiteral_interpolated() {
     StringInterpolation literal =
-        ParserTestCase.parse4("parseStringLiteral", "'a \${b} c \$this d'");
+        parse4("parseStringLiteral", "'a \${b} c \$this d'");
     NodeList<InterpolationElement> elements = literal.elements;
     expect(elements, hasLength(5));
     expect(elements[0] is InterpolationString, isTrue);
     expect(elements[1] is InterpolationExpression, isTrue);
     expect(elements[2] is InterpolationString, isTrue);
     expect(elements[3] is InterpolationExpression, isTrue);
     expect(elements[4] is InterpolationString, isTrue);
   }
 
   void test_parseStringLiteral_single() {
-    SimpleStringLiteral literal =
-        ParserTestCase.parse4("parseStringLiteral", "'a'");
+    SimpleStringLiteral literal = parse4("parseStringLiteral", "'a'");
     expect(literal.literal, isNotNull);
     expect(literal.value, "a");
   }
 
   void test_parseSuperConstructorInvocation_named() {
     SuperConstructorInvocation invocation =
-        ParserTestCase.parse4("parseSuperConstructorInvocation", "super.a()");
+        parse4("parseSuperConstructorInvocation", "super.a()");
     expect(invocation.argumentList, isNotNull);
     expect(invocation.constructorName, isNotNull);
     expect(invocation.superKeyword, isNotNull);
     expect(invocation.period, isNotNull);
   }
 
   void test_parseSuperConstructorInvocation_unnamed() {
     SuperConstructorInvocation invocation =
-        ParserTestCase.parse4("parseSuperConstructorInvocation", "super()");
+        parse4("parseSuperConstructorInvocation", "super()");
     expect(invocation.argumentList, isNotNull);
     expect(invocation.constructorName, isNull);
     expect(invocation.superKeyword, isNotNull);
     expect(invocation.period, isNull);
   }
 
   void test_parseSwitchStatement_case() {
-    SwitchStatement statement = ParserTestCase.parse4(
-        "parseSwitchStatement", "switch (a) {case 1: return 'I';}");
+    SwitchStatement statement =
+        parse4("parseSwitchStatement", "switch (a) {case 1: return 'I';}");
     expect(statement.switchKeyword, isNotNull);
     expect(statement.leftParenthesis, isNotNull);
     expect(statement.expression, isNotNull);
     expect(statement.rightParenthesis, isNotNull);
     expect(statement.leftBracket, isNotNull);
     expect(statement.members, hasLength(1));
     expect(statement.rightBracket, isNotNull);
   }
 
   void test_parseSwitchStatement_empty() {
-    SwitchStatement statement =
-        ParserTestCase.parse4("parseSwitchStatement", "switch (a) {}");
+    SwitchStatement statement = parse4("parseSwitchStatement", "switch (a) {}");
     expect(statement.switchKeyword, isNotNull);
     expect(statement.leftParenthesis, isNotNull);
     expect(statement.expression, isNotNull);
     expect(statement.rightParenthesis, isNotNull);
     expect(statement.leftBracket, isNotNull);
     expect(statement.members, hasLength(0));
     expect(statement.rightBracket, isNotNull);
   }
 
   void test_parseSwitchStatement_labeledCase() {
-    SwitchStatement statement = ParserTestCase.parse4(
-        "parseSwitchStatement", "switch (a) {l1: l2: l3: case(1):}");
+    SwitchStatement statement =
+        parse4("parseSwitchStatement", "switch (a) {l1: l2: l3: case(1):}");
     expect(statement.switchKeyword, isNotNull);
     expect(statement.leftParenthesis, isNotNull);
     expect(statement.expression, isNotNull);
     expect(statement.rightParenthesis, isNotNull);
     expect(statement.leftBracket, isNotNull);
     expect(statement.members, hasLength(1));
     expect(statement.members[0].labels, hasLength(3));
     expect(statement.rightBracket, isNotNull);
   }
 
   void test_parseSwitchStatement_labeledStatementInCase() {
-    SwitchStatement statement = ParserTestCase.parse4(
+    SwitchStatement statement = parse4(
         "parseSwitchStatement", "switch (a) {case 0: f(); l1: g(); break;}");
     expect(statement.switchKeyword, isNotNull);
     expect(statement.leftParenthesis, isNotNull);
     expect(statement.expression, isNotNull);
     expect(statement.rightParenthesis, isNotNull);
     expect(statement.leftBracket, isNotNull);
     expect(statement.members, hasLength(1));
     expect(statement.members[0].statements, hasLength(3));
     expect(statement.rightBracket, isNotNull);
   }
 
   void test_parseSymbolLiteral_builtInIdentifier() {
     SymbolLiteral literal =
-        ParserTestCase.parse4("parseSymbolLiteral", "#dynamic.static.abstract");
+        parse4("parseSymbolLiteral", "#dynamic.static.abstract");
     expect(literal.poundSign, isNotNull);
     List<Token> components = literal.components;
     expect(components, hasLength(3));
     expect(components[0].lexeme, "dynamic");
     expect(components[1].lexeme, "static");
     expect(components[2].lexeme, "abstract");
   }
 
   void test_parseSymbolLiteral_multiple() {
-    SymbolLiteral literal =
-        ParserTestCase.parse4("parseSymbolLiteral", "#a.b.c");
+    SymbolLiteral literal = parse4("parseSymbolLiteral", "#a.b.c");
     expect(literal.poundSign, isNotNull);
     List<Token> components = literal.components;
     expect(components, hasLength(3));
     expect(components[0].lexeme, "a");
     expect(components[1].lexeme, "b");
     expect(components[2].lexeme, "c");
   }
 
   void test_parseSymbolLiteral_operator() {
-    SymbolLiteral literal = ParserTestCase.parse4("parseSymbolLiteral", "#==");
+    SymbolLiteral literal = parse4("parseSymbolLiteral", "#==");
     expect(literal.poundSign, isNotNull);
     List<Token> components = literal.components;
     expect(components, hasLength(1));
     expect(components[0].lexeme, "==");
   }
 
   void test_parseSymbolLiteral_single() {
-    SymbolLiteral literal = ParserTestCase.parse4("parseSymbolLiteral", "#a");
+    SymbolLiteral literal = parse4("parseSymbolLiteral", "#a");
     expect(literal.poundSign, isNotNull);
     List<Token> components = literal.components;
     expect(components, hasLength(1));
     expect(components[0].lexeme, "a");
   }
 
   void test_parseSymbolLiteral_void() {
-    SymbolLiteral literal =
-        ParserTestCase.parse4("parseSymbolLiteral", "#void");
+    SymbolLiteral literal = parse4("parseSymbolLiteral", "#void");
     expect(literal.poundSign, isNotNull);
     List<Token> components = literal.components;
     expect(components, hasLength(1));
     expect(components[0].lexeme, "void");
   }
 
   void test_parseThrowExpression() {
-    ThrowExpression expression =
-        ParserTestCase.parse4("parseThrowExpression", "throw x;");
+    ThrowExpression expression = parse4("parseThrowExpression", "throw x;");
     expect(expression.throwKeyword, isNotNull);
     expect(expression.expression, isNotNull);
   }
 
   void test_parseThrowExpressionWithoutCascade() {
     ThrowExpression expression =
-        ParserTestCase.parse4("parseThrowExpressionWithoutCascade", "throw x;");
+        parse4("parseThrowExpressionWithoutCascade", "throw x;");
     expect(expression.throwKeyword, isNotNull);
     expect(expression.expression, isNotNull);
   }
 
   void test_parseTryStatement_catch() {
-    TryStatement statement =
-        ParserTestCase.parse4("parseTryStatement", "try {} catch (e) {}");
+    TryStatement statement = parse4("parseTryStatement", "try {} catch (e) {}");
     expect(statement.tryKeyword, isNotNull);
     expect(statement.body, isNotNull);
     NodeList<CatchClause> catchClauses = statement.catchClauses;
     expect(catchClauses, hasLength(1));
     CatchClause clause = catchClauses[0];
     expect(clause.onKeyword, isNull);
     expect(clause.exceptionType, isNull);
     expect(clause.catchKeyword, isNotNull);
     expect(clause.exceptionParameter, isNotNull);
     expect(clause.comma, isNull);
     expect(clause.stackTraceParameter, isNull);
     expect(clause.body, isNotNull);
     expect(statement.finallyKeyword, isNull);
     expect(statement.finallyBlock, isNull);
   }
 
   void test_parseTryStatement_catch_finally() {
-    TryStatement statement = ParserTestCase.parse4(
-        "parseTryStatement", "try {} catch (e, s) {} finally {}");
+    TryStatement statement =
+        parse4("parseTryStatement", "try {} catch (e, s) {} finally {}");
     expect(statement.tryKeyword, isNotNull);
     expect(statement.body, isNotNull);
     NodeList<CatchClause> catchClauses = statement.catchClauses;
     expect(catchClauses, hasLength(1));
     CatchClause clause = catchClauses[0];
     expect(clause.onKeyword, isNull);
     expect(clause.exceptionType, isNull);
     expect(clause.catchKeyword, isNotNull);
     expect(clause.exceptionParameter, isNotNull);
     expect(clause.comma, isNotNull);
     expect(clause.stackTraceParameter, isNotNull);
     expect(clause.body, isNotNull);
     expect(statement.finallyKeyword, isNotNull);
     expect(statement.finallyBlock, isNotNull);
   }
 
   void test_parseTryStatement_finally() {
-    TryStatement statement =
-        ParserTestCase.parse4("parseTryStatement", "try {} finally {}");
+    TryStatement statement = parse4("parseTryStatement", "try {} finally {}");
     expect(statement.tryKeyword, isNotNull);
     expect(statement.body, isNotNull);
     expect(statement.catchClauses, hasLength(0));
     expect(statement.finallyKeyword, isNotNull);
     expect(statement.finallyBlock, isNotNull);
   }
 
   void test_parseTryStatement_multiple() {
-    TryStatement statement = ParserTestCase.parse4("parseTryStatement",
+    TryStatement statement = parse4("parseTryStatement",
         "try {} on NPE catch (e) {} on Error {} catch (e) {}");
     expect(statement.tryKeyword, isNotNull);
     expect(statement.body, isNotNull);
     expect(statement.catchClauses, hasLength(3));
     expect(statement.finallyKeyword, isNull);
     expect(statement.finallyBlock, isNull);
   }
 
   void test_parseTryStatement_on() {
-    TryStatement statement =
-        ParserTestCase.parse4("parseTryStatement", "try {} on Error {}");
+    TryStatement statement = parse4("parseTryStatement", "try {} on Error {}");
     expect(statement.tryKeyword, isNotNull);
     expect(statement.body, isNotNull);
     NodeList<CatchClause> catchClauses = statement.catchClauses;
     expect(catchClauses, hasLength(1));
     CatchClause clause = catchClauses[0];
     expect(clause.onKeyword, isNotNull);
     expect(clause.exceptionType, isNotNull);
     expect(clause.catchKeyword, isNull);
     expect(clause.exceptionParameter, isNull);
     expect(clause.comma, isNull);
     expect(clause.stackTraceParameter, isNull);
     expect(clause.body, isNotNull);
     expect(statement.finallyKeyword, isNull);
     expect(statement.finallyBlock, isNull);
   }
 
   void test_parseTryStatement_on_catch() {
-    TryStatement statement = ParserTestCase.parse4(
-        "parseTryStatement", "try {} on Error catch (e, s) {}");
+    TryStatement statement =
+        parse4("parseTryStatement", "try {} on Error catch (e, s) {}");
     expect(statement.tryKeyword, isNotNull);
     expect(statement.body, isNotNull);
     NodeList<CatchClause> catchClauses = statement.catchClauses;
     expect(catchClauses, hasLength(1));
     CatchClause clause = catchClauses[0];
     expect(clause.onKeyword, isNotNull);
     expect(clause.exceptionType, isNotNull);
     expect(clause.catchKeyword, isNotNull);
     expect(clause.exceptionParameter, isNotNull);
     expect(clause.comma, isNotNull);
     expect(clause.stackTraceParameter, isNotNull);
     expect(clause.body, isNotNull);
     expect(statement.finallyKeyword, isNull);
     expect(statement.finallyBlock, isNull);
   }
 
   void test_parseTryStatement_on_catch_finally() {
-    TryStatement statement = ParserTestCase.parse4(
+    TryStatement statement = parse4(
         "parseTryStatement", "try {} on Error catch (e, s) {} finally {}");
     expect(statement.tryKeyword, isNotNull);
     expect(statement.body, isNotNull);
     NodeList<CatchClause> catchClauses = statement.catchClauses;
     expect(catchClauses, hasLength(1));
     CatchClause clause = catchClauses[0];
     expect(clause.onKeyword, isNotNull);
     expect(clause.exceptionType, isNotNull);
     expect(clause.catchKeyword, isNotNull);
     expect(clause.exceptionParameter, isNotNull);
     expect(clause.comma, isNotNull);
     expect(clause.stackTraceParameter, isNotNull);
     expect(clause.body, isNotNull);
     expect(statement.finallyKeyword, isNotNull);
     expect(statement.finallyBlock, isNotNull);
   }
 
   void test_parseTypeAlias_function_noParameters() {
-    FunctionTypeAlias typeAlias = ParserTestCase.parse("parseTypeAlias",
+    FunctionTypeAlias typeAlias = parse("parseTypeAlias",
         <Object>[emptyCommentAndMetadata()], "typedef bool F();");
     expect(typeAlias.typedefKeyword, isNotNull);
     expect(typeAlias.name, isNotNull);
     expect(typeAlias.parameters, isNotNull);
     expect(typeAlias.returnType, isNotNull);
     expect(typeAlias.semicolon, isNotNull);
     expect(typeAlias.typeParameters, isNull);
   }
 
   void test_parseTypeAlias_function_noReturnType() {
-    FunctionTypeAlias typeAlias = ParserTestCase.parse(
+    FunctionTypeAlias typeAlias = parse(
         "parseTypeAlias", <Object>[emptyCommentAndMetadata()], "typedef F();");
     expect(typeAlias.typedefKeyword, isNotNull);
     expect(typeAlias.name, isNotNull);
     expect(typeAlias.parameters, isNotNull);
     expect(typeAlias.returnType, isNull);
     expect(typeAlias.semicolon, isNotNull);
     expect(typeAlias.typeParameters, isNull);
   }
 
   void test_parseTypeAlias_function_parameterizedReturnType() {
-    FunctionTypeAlias typeAlias = ParserTestCase.parse("parseTypeAlias",
+    FunctionTypeAlias typeAlias = parse("parseTypeAlias",
         <Object>[emptyCommentAndMetadata()], "typedef A<B> F();");
     expect(typeAlias.typedefKeyword, isNotNull);
     expect(typeAlias.name, isNotNull);
     expect(typeAlias.parameters, isNotNull);
     expect(typeAlias.returnType, isNotNull);
     expect(typeAlias.semicolon, isNotNull);
     expect(typeAlias.typeParameters, isNull);
   }
 
   void test_parseTypeAlias_function_parameters() {
-    FunctionTypeAlias typeAlias = ParserTestCase.parse("parseTypeAlias",
+    FunctionTypeAlias typeAlias = parse("parseTypeAlias",
         <Object>[emptyCommentAndMetadata()], "typedef bool F(Object value);");
     expect(typeAlias.typedefKeyword, isNotNull);
     expect(typeAlias.name, isNotNull);
     expect(typeAlias.parameters, isNotNull);
     expect(typeAlias.returnType, isNotNull);
     expect(typeAlias.semicolon, isNotNull);
     expect(typeAlias.typeParameters, isNull);
   }
 
   void test_parseTypeAlias_function_typeParameters() {
-    FunctionTypeAlias typeAlias = ParserTestCase.parse("parseTypeAlias",
+    FunctionTypeAlias typeAlias = parse("parseTypeAlias",
         <Object>[emptyCommentAndMetadata()], "typedef bool F<E>();");
     expect(typeAlias.typedefKeyword, isNotNull);
     expect(typeAlias.name, isNotNull);
     expect(typeAlias.parameters, isNotNull);
     expect(typeAlias.returnType, isNotNull);
     expect(typeAlias.semicolon, isNotNull);
     expect(typeAlias.typeParameters, isNotNull);
   }
 
   void test_parseTypeAlias_function_voidReturnType() {
-    FunctionTypeAlias typeAlias = ParserTestCase.parse("parseTypeAlias",
+    FunctionTypeAlias typeAlias = parse("parseTypeAlias",
         <Object>[emptyCommentAndMetadata()], "typedef void F();");
     expect(typeAlias.typedefKeyword, isNotNull);
     expect(typeAlias.name, isNotNull);
     expect(typeAlias.parameters, isNotNull);
     expect(typeAlias.returnType, isNotNull);
     expect(typeAlias.semicolon, isNotNull);
     expect(typeAlias.typeParameters, isNull);
   }
 
   void test_parseTypeArgumentList_multiple() {
     TypeArgumentList argumentList =
-        ParserTestCase.parse4("parseTypeArgumentList", "<int, int, int>");
+        parse4("parseTypeArgumentList", "<int, int, int>");
     expect(argumentList.leftBracket, isNotNull);
     expect(argumentList.arguments, hasLength(3));
     expect(argumentList.rightBracket, isNotNull);
   }
 
   void test_parseTypeArgumentList_nested() {
-    TypeArgumentList argumentList =
-        ParserTestCase.parse4("parseTypeArgumentList", "<A<B>>");
+    TypeArgumentList argumentList = parse4("parseTypeArgumentList", "<A<B>>");
     expect(argumentList.leftBracket, isNotNull);
     expect(argumentList.arguments, hasLength(1));
     TypeName argument = argumentList.arguments[0];
     expect(argument, isNotNull);
     TypeArgumentList innerList = argument.typeArguments;
     expect(innerList, isNotNull);
     expect(innerList.arguments, hasLength(1));
     expect(argumentList.rightBracket, isNotNull);
   }
 
   void test_parseTypeArgumentList_nested_withComment_double() {
     TypeArgumentList argumentList =
-        ParserTestCase.parse4("parseTypeArgumentList", "<A<B /* 0 */ >>");
+        parse4("parseTypeArgumentList", "<A<B /* 0 */ >>");
     expect(argumentList.leftBracket, isNotNull);
     expect(argumentList.rightBracket, isNotNull);
     expect(argumentList.arguments, hasLength(1));
 
     TypeName argument = argumentList.arguments[0];
     expect(argument, isNotNull);
 
     TypeArgumentList innerList = argument.typeArguments;
     expect(innerList, isNotNull);
     expect(innerList.leftBracket, isNotNull);
     expect(innerList.arguments, hasLength(1));
     expect(innerList.rightBracket, isNotNull);
     expect(innerList.rightBracket.precedingComments, isNotNull);
   }
 
   void test_parseTypeArgumentList_nested_withComment_tripple() {
     TypeArgumentList argumentList =
-        ParserTestCase.parse4("parseTypeArgumentList", "<A<B<C /* 0 */ >>>");
+        parse4("parseTypeArgumentList", "<A<B<C /* 0 */ >>>");
     expect(argumentList.leftBracket, isNotNull);
     expect(argumentList.rightBracket, isNotNull);
     expect(argumentList.arguments, hasLength(1));
 
     TypeName argument = argumentList.arguments[0];
     expect(argument, isNotNull);
 
     TypeArgumentList innerList = argument.typeArguments;
     expect(innerList, isNotNull);
     expect(innerList.leftBracket, isNotNull);
     expect(innerList.arguments, hasLength(1));
     expect(innerList.rightBracket, isNotNull);
 
     TypeName innerArgument = innerList.arguments[0];
     expect(innerArgument, isNotNull);
 
     TypeArgumentList innerInnerList = innerArgument.typeArguments;
     expect(innerInnerList, isNotNull);
     expect(innerInnerList.leftBracket, isNotNull);
     expect(innerInnerList.arguments, hasLength(1));
     expect(innerInnerList.rightBracket, isNotNull);
     expect(innerInnerList.rightBracket.precedingComments, isNotNull);
   }
 
   void test_parseTypeArgumentList_single() {
-    TypeArgumentList argumentList =
-        ParserTestCase.parse4("parseTypeArgumentList", "<int>");
+    TypeArgumentList argumentList = parse4("parseTypeArgumentList", "<int>");
     expect(argumentList.leftBracket, isNotNull);
     expect(argumentList.arguments, hasLength(1));
     expect(argumentList.rightBracket, isNotNull);
   }
 
   void test_parseTypeName_parameterized() {
-    TypeName typeName = ParserTestCase.parse4("parseTypeName", "List<int>");
+    TypeName typeName = parse4("parseTypeName", "List<int>");
     expect(typeName.name, isNotNull);
     expect(typeName.typeArguments, isNotNull);
   }
 
   void test_parseTypeName_simple() {
-    TypeName typeName = ParserTestCase.parse4("parseTypeName", "int");
+    TypeName typeName = parse4("parseTypeName", "int");
     expect(typeName.name, isNotNull);
     expect(typeName.typeArguments, isNull);
   }
 
   void test_parseTypeParameter_bounded() {
-    TypeParameter parameter =
-        ParserTestCase.parse4("parseTypeParameter", "A extends B");
+    TypeParameter parameter = parse4("parseTypeParameter", "A extends B");
     expect(parameter.bound, isNotNull);
     expect(parameter.extendsKeyword, isNotNull);
     expect(parameter.name, isNotNull);
   }
 
   void test_parseTypeParameter_simple() {
-    TypeParameter parameter = ParserTestCase.parse4("parseTypeParameter", "A");
+    TypeParameter parameter = parse4("parseTypeParameter", "A");
     expect(parameter.bound, isNull);
     expect(parameter.extendsKeyword, isNull);
     expect(parameter.name, isNotNull);
   }
 
   void test_parseTypeParameterList_multiple() {
     TypeParameterList parameterList =
-        ParserTestCase.parse4("parseTypeParameterList", "<A, B extends C, D>");
+        parse4("parseTypeParameterList", "<A, B extends C, D>");
     expect(parameterList.leftBracket, isNotNull);
     expect(parameterList.rightBracket, isNotNull);
     expect(parameterList.typeParameters, hasLength(3));
   }
 
   void test_parseTypeParameterList_parameterizedWithTrailingEquals() {
     TypeParameterList parameterList =
-        ParserTestCase.parse4("parseTypeParameterList", "<A extends B<E>>=");
+        parse4("parseTypeParameterList", "<A extends B<E>>=");
     expect(parameterList.leftBracket, isNotNull);
     expect(parameterList.rightBracket, isNotNull);
     expect(parameterList.typeParameters, hasLength(1));
   }
 
   void test_parseTypeParameterList_single() {
-    TypeParameterList parameterList =
-        ParserTestCase.parse4("parseTypeParameterList", "<A>");
+    TypeParameterList parameterList = parse4("parseTypeParameterList", "<A>");
     expect(parameterList.leftBracket, isNotNull);
     expect(parameterList.rightBracket, isNotNull);
     expect(parameterList.typeParameters, hasLength(1));
   }
 
   void test_parseTypeParameterList_withTrailingEquals() {
-    TypeParameterList parameterList =
-        ParserTestCase.parse4("parseTypeParameterList", "<A>=");
+    TypeParameterList parameterList = parse4("parseTypeParameterList", "<A>=");
     expect(parameterList.leftBracket, isNotNull);
     expect(parameterList.rightBracket, isNotNull);
     expect(parameterList.typeParameters, hasLength(1));
   }
 
   void test_parseUnaryExpression_decrement_normal() {
-    PrefixExpression expression =
-        ParserTestCase.parse4("parseUnaryExpression", "--x");
+    PrefixExpression expression = parse4("parseUnaryExpression", "--x");
     expect(expression.operator, isNotNull);
     expect(expression.operator.type, TokenType.MINUS_MINUS);
     expect(expression.operand, isNotNull);
   }
 
   void test_parseUnaryExpression_decrement_super() {
-    PrefixExpression expression =
-        ParserTestCase.parse4("parseUnaryExpression", "--super");
+    PrefixExpression expression = parse4("parseUnaryExpression", "--super");
     expect(expression.operator, isNotNull);
     expect(expression.operator.type, TokenType.MINUS);
     Expression innerExpression = expression.operand;
     expect(innerExpression, isNotNull);
     expect(innerExpression is PrefixExpression, isTrue);
     PrefixExpression operand = innerExpression as PrefixExpression;
     expect(operand.operator, isNotNull);
     expect(operand.operator.type, TokenType.MINUS);
     expect(operand.operand, isNotNull);
   }
 
   void test_parseUnaryExpression_decrement_super_propertyAccess() {
-    PrefixExpression expression =
-        ParserTestCase.parse4("parseUnaryExpression", "--super.x");
+    PrefixExpression expression = parse4("parseUnaryExpression", "--super.x");
     expect(expression.operator, isNotNull);
     expect(expression.operator.type, TokenType.MINUS_MINUS);
     expect(expression.operand, isNotNull);
     PropertyAccess operand = expression.operand as PropertyAccess;
     expect(operand.target is SuperExpression, isTrue);
     expect(operand.propertyName.name, "x");
   }
 
   void test_parseUnaryExpression_decrement_super_withComment() {
     PrefixExpression expression =
-        ParserTestCase.parse4("parseUnaryExpression", "/* 0 */ --super");
+        parse4("parseUnaryExpression", "/* 0 */ --super");
     expect(expression.operator, isNotNull);
     expect(expression.operator.type, TokenType.MINUS);
     expect(expression.operator.precedingComments, isNotNull);
     Expression innerExpression = expression.operand;
     expect(innerExpression, isNotNull);
     expect(innerExpression is PrefixExpression, isTrue);
     PrefixExpression operand = innerExpression as PrefixExpression;
     expect(operand.operator, isNotNull);
     expect(operand.operator.type, TokenType.MINUS);
     expect(operand.operand, isNotNull);
   }
 
   void test_parseUnaryExpression_increment_normal() {
-    PrefixExpression expression =
-        ParserTestCase.parse4("parseUnaryExpression", "++x");
+    PrefixExpression expression = parse4("parseUnaryExpression", "++x");
     expect(expression.operator, isNotNull);
     expect(expression.operator.type, TokenType.PLUS_PLUS);
     expect(expression.operand, isNotNull);
   }
 
   void test_parseUnaryExpression_increment_super_index() {
-    PrefixExpression expression =
-        ParserTestCase.parse4("parseUnaryExpression", "++super[0]");
+    PrefixExpression expression = parse4("parseUnaryExpression", "++super[0]");
     expect(expression.operator, isNotNull);
     expect(expression.operator.type, TokenType.PLUS_PLUS);
     expect(expression.operand, isNotNull);
     IndexExpression operand = expression.operand as IndexExpression;
     expect(operand.realTarget is SuperExpression, isTrue);
     expect(operand.index is IntegerLiteral, isTrue);
   }
 
   void test_parseUnaryExpression_increment_super_propertyAccess() {
-    PrefixExpression expression =
-        ParserTestCase.parse4("parseUnaryExpression", "++super.x");
+    PrefixExpression expression = parse4("parseUnaryExpression", "++super.x");
     expect(expression.operator, isNotNull);
     expect(expression.operator.type, TokenType.PLUS_PLUS);
     expect(expression.operand, isNotNull);
     PropertyAccess operand = expression.operand as PropertyAccess;
     expect(operand.target is SuperExpression, isTrue);
     expect(operand.propertyName.name, "x");
   }
 
   void test_parseUnaryExpression_minus_normal() {
-    PrefixExpression expression =
-        ParserTestCase.parse4("parseUnaryExpression", "-x");
+    PrefixExpression expression = parse4("parseUnaryExpression", "-x");
     expect(expression.operator, isNotNull);
     expect(expression.operator.type, TokenType.MINUS);
     expect(expression.operand, isNotNull);
   }
 
   void test_parseUnaryExpression_minus_super() {
-    PrefixExpression expression =
-        ParserTestCase.parse4("parseUnaryExpression", "-super");
+    PrefixExpression expression = parse4("parseUnaryExpression", "-super");
     expect(expression.operator, isNotNull);
     expect(expression.operator.type, TokenType.MINUS);
     expect(expression.operand, isNotNull);
   }
 
   void test_parseUnaryExpression_not_normal() {
-    PrefixExpression expression =
-        ParserTestCase.parse4("parseUnaryExpression", "!x");
+    PrefixExpression expression = parse4("parseUnaryExpression", "!x");
     expect(expression.operator, isNotNull);
     expect(expression.operator.type, TokenType.BANG);
     expect(expression.operand, isNotNull);
   }
 
   void test_parseUnaryExpression_not_super() {
-    PrefixExpression expression =
-        ParserTestCase.parse4("parseUnaryExpression", "!super");
+    PrefixExpression expression = parse4("parseUnaryExpression", "!super");
     expect(expression.operator, isNotNull);
     expect(expression.operator.type, TokenType.BANG);
     expect(expression.operand, isNotNull);
   }
 
   void test_parseUnaryExpression_tilda_normal() {
-    PrefixExpression expression =
-        ParserTestCase.parse4("parseUnaryExpression", "~x");
+    PrefixExpression expression = parse4("parseUnaryExpression", "~x");
     expect(expression.operator, isNotNull);
     expect(expression.operator.type, TokenType.TILDE);
     expect(expression.operand, isNotNull);
   }
 
   void test_parseUnaryExpression_tilda_super() {
-    PrefixExpression expression =
-        ParserTestCase.parse4("parseUnaryExpression", "~super");
+    PrefixExpression expression = parse4("parseUnaryExpression", "~super");
     expect(expression.operator, isNotNull);
     expect(expression.operator.type, TokenType.TILDE);
     expect(expression.operand, isNotNull);
   }
 
   void test_parseVariableDeclaration_equals() {
     VariableDeclaration declaration =
-        ParserTestCase.parse4("parseVariableDeclaration", "a = b");
+        parse4("parseVariableDeclaration", "a = b");
     expect(declaration.name, isNotNull);
     expect(declaration.equals, isNotNull);
     expect(declaration.initializer, isNotNull);
   }
 
   void test_parseVariableDeclaration_noEquals() {
-    VariableDeclaration declaration =
-        ParserTestCase.parse4("parseVariableDeclaration", "a");
+    VariableDeclaration declaration = parse4("parseVariableDeclaration", "a");
     expect(declaration.name, isNotNull);
     expect(declaration.equals, isNull);
     expect(declaration.initializer, isNull);
   }
 
   void test_parseVariableDeclarationListAfterMetadata_const_noType() {
-    VariableDeclarationList declarationList = ParserTestCase.parse(
-        "parseVariableDeclarationListAfterMetadata", <Object>[
-      emptyCommentAndMetadata()
-    ], "const a");
+    VariableDeclarationList declarationList = parse(
+        "parseVariableDeclarationListAfterMetadata",
+        <Object>[emptyCommentAndMetadata()], "const a");
     expect(declarationList.keyword, isNotNull);
     expect(declarationList.type, isNull);
     expect(declarationList.variables, hasLength(1));
   }
 
   void test_parseVariableDeclarationListAfterMetadata_const_type() {
-    VariableDeclarationList declarationList = ParserTestCase.parse(
-        "parseVariableDeclarationListAfterMetadata", <Object>[
-      emptyCommentAndMetadata()
-    ], "const A a");
+    VariableDeclarationList declarationList = parse(
+        "parseVariableDeclarationListAfterMetadata",
+        <Object>[emptyCommentAndMetadata()], "const A a");
     expect(declarationList.keyword, isNotNull);
     expect(declarationList.type, isNotNull);
     expect(declarationList.variables, hasLength(1));
   }
 
   void test_parseVariableDeclarationListAfterMetadata_final_noType() {
-    VariableDeclarationList declarationList = ParserTestCase.parse(
-        "parseVariableDeclarationListAfterMetadata", <Object>[
-      emptyCommentAndMetadata()
-    ], "final a");
+    VariableDeclarationList declarationList = parse(
+        "parseVariableDeclarationListAfterMetadata",
+        <Object>[emptyCommentAndMetadata()], "final a");
     expect(declarationList.keyword, isNotNull);
     expect(declarationList.type, isNull);
     expect(declarationList.variables, hasLength(1));
   }
 
   void test_parseVariableDeclarationListAfterMetadata_final_type() {
-    VariableDeclarationList declarationList = ParserTestCase.parse(
-        "parseVariableDeclarationListAfterMetadata", <Object>[
-      emptyCommentAndMetadata()
-    ], "final A a");
+    VariableDeclarationList declarationList = parse(
+        "parseVariableDeclarationListAfterMetadata",
+        <Object>[emptyCommentAndMetadata()], "final A a");
     expect(declarationList.keyword, isNotNull);
     expect(declarationList.type, isNotNull);
     expect(declarationList.variables, hasLength(1));
   }
 
   void test_parseVariableDeclarationListAfterMetadata_type_multiple() {
-    VariableDeclarationList declarationList = ParserTestCase.parse(
-        "parseVariableDeclarationListAfterMetadata", <Object>[
-      emptyCommentAndMetadata()
-    ], "A a, b, c");
+    VariableDeclarationList declarationList = parse(
+        "parseVariableDeclarationListAfterMetadata",
+        <Object>[emptyCommentAndMetadata()], "A a, b, c");
     expect(declarationList.keyword, isNull);
     expect(declarationList.type, isNotNull);
     expect(declarationList.variables, hasLength(3));
   }
 
   void test_parseVariableDeclarationListAfterMetadata_type_single() {
-    VariableDeclarationList declarationList = ParserTestCase.parse(
-        "parseVariableDeclarationListAfterMetadata", <Object>[
-      emptyCommentAndMetadata()
-    ], "A a");
+    VariableDeclarationList declarationList = parse(
+        "parseVariableDeclarationListAfterMetadata",
+        <Object>[emptyCommentAndMetadata()], "A a");
     expect(declarationList.keyword, isNull);
     expect(declarationList.type, isNotNull);
     expect(declarationList.variables, hasLength(1));
   }
 
   void test_parseVariableDeclarationListAfterMetadata_var_multiple() {
-    VariableDeclarationList declarationList = ParserTestCase.parse(
-        "parseVariableDeclarationListAfterMetadata", <Object>[
-      emptyCommentAndMetadata()
-    ], "var a, b, c");
+    VariableDeclarationList declarationList = parse(
+        "parseVariableDeclarationListAfterMetadata",
+        <Object>[emptyCommentAndMetadata()], "var a, b, c");
     expect(declarationList.keyword, isNotNull);
     expect(declarationList.type, isNull);
     expect(declarationList.variables, hasLength(3));
   }
 
   void test_parseVariableDeclarationListAfterMetadata_var_single() {
-    VariableDeclarationList declarationList = ParserTestCase.parse(
-        "parseVariableDeclarationListAfterMetadata", <Object>[
-      emptyCommentAndMetadata()
-    ], "var a");
+    VariableDeclarationList declarationList = parse(
+        "parseVariableDeclarationListAfterMetadata",
+        <Object>[emptyCommentAndMetadata()], "var a");
     expect(declarationList.keyword, isNotNull);
     expect(declarationList.type, isNull);
     expect(declarationList.variables, hasLength(1));
   }
 
   void test_parseVariableDeclarationListAfterType_type() {
     TypeName type = new TypeName(new SimpleIdentifier(null), null);
-    VariableDeclarationList declarationList = ParserTestCase.parse(
+    VariableDeclarationList declarationList = parse(
         "parseVariableDeclarationListAfterType", <Object>[
       emptyCommentAndMetadata(),
       null,
       type
     ], "a");
     expect(declarationList.keyword, isNull);
     expect(declarationList.type, type);
     expect(declarationList.variables, hasLength(1));
   }
 
   void test_parseVariableDeclarationListAfterType_var() {
     Token keyword = TokenFactory.tokenFromKeyword(Keyword.VAR);
-    VariableDeclarationList declarationList = ParserTestCase.parse(
+    VariableDeclarationList declarationList = parse(
         "parseVariableDeclarationListAfterType", <Object>[
       emptyCommentAndMetadata(),
       keyword,
       null
     ], "a, b, c");
     expect(declarationList.keyword, keyword);
     expect(declarationList.type, isNull);
     expect(declarationList.variables, hasLength(3));
   }
 
   void test_parseVariableDeclarationStatementAfterMetadata_multiple() {
-    VariableDeclarationStatement statement = ParserTestCase.parse(
-        "parseVariableDeclarationStatementAfterMetadata", <Object>[
-      emptyCommentAndMetadata()
-    ], "var x, y, z;");
+    VariableDeclarationStatement statement = parse(
+        "parseVariableDeclarationStatementAfterMetadata",
+        <Object>[emptyCommentAndMetadata()], "var x, y, z;");
     expect(statement.semicolon, isNotNull);
     VariableDeclarationList variableList = statement.variables;
     expect(variableList, isNotNull);
     expect(variableList.variables, hasLength(3));
   }
 
   void test_parseVariableDeclarationStatementAfterMetadata_single() {
-    VariableDeclarationStatement statement = ParserTestCase.parse(
-        "parseVariableDeclarationStatementAfterMetadata", <Object>[
-      emptyCommentAndMetadata()
-    ], "var x;");
+    VariableDeclarationStatement statement = parse(
+        "parseVariableDeclarationStatementAfterMetadata",
+        <Object>[emptyCommentAndMetadata()], "var x;");
     expect(statement.semicolon, isNotNull);
     VariableDeclarationList variableList = statement.variables;
     expect(variableList, isNotNull);
     expect(variableList.variables, hasLength(1));
   }
 
   void test_parseWhileStatement() {
-    WhileStatement statement =
-        ParserTestCase.parse4("parseWhileStatement", "while (x) {}");
+    WhileStatement statement = parse4("parseWhileStatement", "while (x) {}");
     expect(statement.whileKeyword, isNotNull);
     expect(statement.leftParenthesis, isNotNull);
     expect(statement.condition, isNotNull);
     expect(statement.rightParenthesis, isNotNull);
     expect(statement.body, isNotNull);
   }
 
   void test_parseWithClause_multiple() {
-    WithClause clause =
-        ParserTestCase.parse4("parseWithClause", "with A, B, C");
+    WithClause clause = parse4("parseWithClause", "with A, B, C");
     expect(clause.withKeyword, isNotNull);
     expect(clause.mixinTypes, hasLength(3));
   }
 
   void test_parseWithClause_single() {
-    WithClause clause = ParserTestCase.parse4("parseWithClause", "with M");
+    WithClause clause = parse4("parseWithClause", "with M");
     expect(clause.withKeyword, isNotNull);
     expect(clause.mixinTypes, hasLength(1));
   }
 
   void test_parseYieldStatement_each() {
-    YieldStatement statement =
-        ParserTestCase.parse4("parseYieldStatement", "yield* x;");
+    YieldStatement statement = parse4("parseYieldStatement", "yield* x;");
     expect(statement.yieldKeyword, isNotNull);
     expect(statement.star, isNotNull);
     expect(statement.expression, isNotNull);
     expect(statement.semicolon, isNotNull);
   }
 
   void test_parseYieldStatement_normal() {
-    YieldStatement statement =
-        ParserTestCase.parse4("parseYieldStatement", "yield x;");
+    YieldStatement statement = parse4("parseYieldStatement", "yield x;");
     expect(statement.yieldKeyword, isNotNull);
     expect(statement.star, isNull);
     expect(statement.expression, isNotNull);
     expect(statement.semicolon, isNotNull);
   }
 
   void test_skipPrefixedIdentifier_invalid() {
     Token following = _skip("skipPrefixedIdentifier", "+");
     expect(following, isNull);
   }
@@ skipping 124 matching lines @@
   /**
    * Invoke the method [Parser.createSyntheticIdentifier] with the parser set to the token
    * stream produced by scanning the given source.
    *
    * @param source the source to be scanned to produce the token stream being tested
    * @return the result of invoking the method
    * @throws Exception if the method could not be invoked or throws an exception
    */
   SimpleIdentifier _createSyntheticIdentifier() {
     GatheringErrorListener listener = new GatheringErrorListener();
-    return ParserTestCase.invokeParserMethod2(
-        "createSyntheticIdentifier", "", listener);
+    return invokeParserMethod2("createSyntheticIdentifier", "", listener);
   }
 
   /**
    * Invoke the method [Parser.createSyntheticIdentifier] with the parser set to the token
    * stream produced by scanning the given source.
    *
    * @param source the source to be scanned to produce the token stream being tested
    * @return the result of invoking the method
    * @throws Exception if the method could not be invoked or throws an exception
    */
   SimpleStringLiteral _createSyntheticStringLiteral() {
     GatheringErrorListener listener = new GatheringErrorListener();
-    return ParserTestCase.invokeParserMethod2(
-        "createSyntheticStringLiteral", "", listener);
+    return invokeParserMethod2("createSyntheticStringLiteral", "", listener);
   }
 
   /**
    * Invoke the method [Parser.isFunctionDeclaration] with the parser set to the token
    * stream produced by scanning the given source.
    *
    * @param source the source to be scanned to produce the token stream being tested
    * @return the result of invoking the method
    * @throws Exception if the method could not be invoked or throws an exception
    */
   bool _isFunctionDeclaration(String source) {
     GatheringErrorListener listener = new GatheringErrorListener();
-    return ParserTestCase.invokeParserMethod2(
+    return invokeParserMethod2(
         "isFunctionDeclaration", source, listener) as bool;
   }
 
   /**
    * Invoke the method [Parser.isFunctionExpression] with the parser set to the token stream
    * produced by scanning the given source.
    *
    * @param source the source to be scanned to produce the token stream being tested
    * @return the result of invoking the method
    * @throws Exception if the method could not be invoked or throws an exception
    */
   bool _isFunctionExpression(String source) {
     GatheringErrorListener listener = new GatheringErrorListener();
     //
     // Scan the source.
     //
     Scanner scanner =
         new Scanner(null, new CharSequenceReader(source), listener);
     Token tokenStream = scanner.tokenize();
     //
     // Parse the source.
     //
     Parser parser = new Parser(null, listener);
-    return invokeParserMethodImpl(parser, "isFunctionExpression", <Object>[
-      tokenStream
-    ], tokenStream) as bool;
+    return invokeParserMethodImpl(parser, "isFunctionExpression",
+        <Object>[tokenStream], tokenStream) as bool;
   }
 
   /**
    * Invoke the method [Parser.isInitializedVariableDeclaration] with the parser set to the
    * token stream produced by scanning the given source.
    *
    * @param source the source to be scanned to produce the token stream being tested
    * @return the result of invoking the method
    * @throws Exception if the method could not be invoked or throws an exception
    */
   bool _isInitializedVariableDeclaration(String source) {
     GatheringErrorListener listener = new GatheringErrorListener();
-    return ParserTestCase.invokeParserMethod2(
+    return invokeParserMethod2(
         "isInitializedVariableDeclaration", source, listener) as bool;
   }
 
   /**
    * Invoke the method [Parser.isSwitchMember] with the parser set to the token stream
    * produced by scanning the given source.
    *
    * @param source the source to be scanned to produce the token stream being tested
    * @return the result of invoking the method
    * @throws Exception if the method could not be invoked or throws an exception
    */
   bool _isSwitchMember(String source) {
     GatheringErrorListener listener = new GatheringErrorListener();
-    return ParserTestCase.invokeParserMethod2(
-        "isSwitchMember", source, listener) as bool;
+    return invokeParserMethod2("isSwitchMember", source, listener) as bool;
   }
 
   /**
    * Parse the given source as a compilation unit.
    *
    * @param source the source to be parsed
    * @param errorCodes the error codes of the errors that are expected to be found
    * @return the compilation unit that was parsed
    * @throws Exception if the source could not be parsed, if the compilation errors in the source do
    *           not match those that are expected, or if the result would have been `null`
@@ skipping 32 matching lines @@
         new Scanner(null, new CharSequenceReader(source), listener);
     Token tokenStream = scanner.tokenize();
     //
     // Parse the source.
     //
     Parser parser = new Parser(null, listener);
     return invokeParserMethodImpl(
         parser, methodName, <Object>[tokenStream], tokenStream) as Token;
   }
 }