Removed fixed dependencies

packages/analyzer/test/generated/static_type_analyzer_test.dart

Index: packages/analyzer/test/generated/static_type_analyzer_test.dart
diff --git a/packages/analyzer/test/generated/static_type_analyzer_test.dart b/packages/analyzer/test/generated/static_type_analyzer_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..60854a9b2aa7a1ae1ea5c95f9e99a77b69ebc43b
--- /dev/null
+++ b/packages/analyzer/test/generated/static_type_analyzer_test.dart
@@ -0,0 +1,1685 @@
+// Copyright (c) 2016, 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 analyzer.test.generated.static_type_analyzer_test;
+
+import 'dart:collection';
+
+import 'package:analyzer/dart/ast/ast.dart';
+import 'package:analyzer/dart/ast/token.dart';
+import 'package:analyzer/dart/element/element.dart';
+import 'package:analyzer/dart/element/type.dart';
+import 'package:analyzer/file_system/memory_file_system.dart';
+import 'package:analyzer/src/dart/element/element.dart';
+import 'package:analyzer/src/dart/element/member.dart';
+import 'package:analyzer/src/dart/element/type.dart';
+import 'package:analyzer/src/generated/engine.dart';
+import 'package:analyzer/src/generated/resolver.dart';
+import 'package:analyzer/src/generated/source.dart';
+import 'package:analyzer/src/generated/static_type_analyzer.dart';
+import 'package:analyzer/src/generated/testing/ast_factory.dart';
+import 'package:analyzer/src/generated/testing/element_factory.dart';
+import 'package:analyzer/src/generated/testing/test_type_provider.dart';
+import 'package:analyzer/src/generated/testing/token_factory.dart';
+import 'package:analyzer/src/source/source_resource.dart';
+import 'package:test_reflective_loader/test_reflective_loader.dart';
+import 'package:unittest/unittest.dart';
+
+import '../utils.dart';
+import 'analysis_context_factory.dart';
+import 'resolver_test_case.dart';
+import 'test_support.dart';
+
+main() {
+  initializeTestEnvironment();
+  defineReflectiveTests(StaticTypeAnalyzerTest);
+  defineReflectiveTests(StaticTypeAnalyzer2Test);
+}
+
+/**
+ * Like [StaticTypeAnalyzerTest], but as end-to-end tests.
+ */
+@reflectiveTest
+class StaticTypeAnalyzer2Test extends StaticTypeAnalyzer2TestShared {
+  void test_FunctionExpressionInvocation_block() {
+    String code = r'''
+main() {
+  var foo = (() { return 1; })();
+}
+''';
+    resolveTestUnit(code);
+    expectInitializerType('foo', 'dynamic', isNull);
+  }
+
+  void test_FunctionExpressionInvocation_curried() {
+    String code = r'''
+typedef int F();
+F f() => null;
+main() {
+  var foo = f()();
+}
+''';
+    resolveTestUnit(code);
+    expectInitializerType('foo', 'int', isNull);
+  }
+
+  void test_FunctionExpressionInvocation_expression() {
+    String code = r'''
+main() {
+  var foo = (() => 1)();
+}
+''';
+    resolveTestUnit(code);
+    expectInitializerType('foo', 'int', isNull);
+  }
+
+  void test_MethodInvocation_nameType_localVariable() {
+    String code = r"""
+typedef Foo();
+main() {
+  Foo foo;
+  foo();
+}
+""";
+    resolveTestUnit(code);
+    // "foo" should be resolved to the "Foo" type
+    expectIdentifierType("foo();", new isInstanceOf<FunctionType>());
+  }
+
+  void test_MethodInvocation_nameType_parameter_FunctionTypeAlias() {
+    String code = r"""
+typedef Foo();
+main(Foo foo) {
+  foo();
+}
+""";
+    resolveTestUnit(code);
+    // "foo" should be resolved to the "Foo" type
+    expectIdentifierType("foo();", new isInstanceOf<FunctionType>());
+  }
+
+  void test_MethodInvocation_nameType_parameter_propagatedType() {
+    String code = r"""
+typedef Foo();
+main(p) {
+  if (p is Foo) {
+    p();
+  }
+}
+""";
+    resolveTestUnit(code);
+    expectIdentifierType("p()", DynamicTypeImpl.instance,
+        predicate((type) => type.name == 'Foo'));
+  }
+
+  void test_staticMethods_classTypeParameters() {
+    String code = r'''
+class C<T> {
+  static void m() => null;
+}
+main() {
+  print(C.m);
+}
+''';
+    resolveTestUnit(code);
+    expectFunctionType('m);', '() → void');
+  }
+
+  void test_staticMethods_classTypeParameters_genericMethod() {
+    AnalysisOptionsImpl options = new AnalysisOptionsImpl();
+    options.enableGenericMethods = true;
+    resetWithOptions(options);
+    String code = r'''
+class C<T> {
+  static void m<S>(S s) {
+    void f<U>(S s, U u) {}
+    print(f);
+  }
+}
+main() {
+  print(C.m);
+}
+''';
+    resolveTestUnit(code);
+    // C - m
+    TypeParameterType typeS;
+    {
+      expectFunctionType('m);', '<S>(S) → void',
+          elementTypeParams: '[S]', typeFormals: '[S]');
+
+      FunctionTypeImpl type = findIdentifier('m);').staticType;
+      typeS = type.typeFormals[0].type;
+      type = type.instantiate([DynamicTypeImpl.instance]);
+      expect(type.toString(), '(dynamic) → void');
+      expect(type.typeParameters.toString(), '[S]');
+      expect(type.typeArguments, [DynamicTypeImpl.instance]);
+      expect(type.typeFormals, isEmpty);
+    }
+    // C - m - f
+    {
+      expectFunctionType('f);', '<U>(S, U) → void',
+          elementTypeParams: '[U]',
+          typeParams: '[S]',
+          typeArgs: '[S]',
+          typeFormals: '[U]');
+
+      FunctionTypeImpl type = findIdentifier('f);').staticType;
+      type = type.instantiate([DynamicTypeImpl.instance]);
+      expect(type.toString(), '(S, dynamic) → void');
+      expect(type.typeParameters.toString(), '[S, U]');
+      expect(type.typeArguments, [typeS, DynamicTypeImpl.instance]);
+      expect(type.typeFormals, isEmpty);
+    }
+  }
+}
+
+@reflectiveTest
+class StaticTypeAnalyzerTest extends EngineTestCase {
+  /**
+   * The error listener to which errors will be reported.
+   */
+  GatheringErrorListener _listener;
+
+  /**
+   * The resolver visitor used to create the analyzer.
+   */
+  ResolverVisitor _visitor;
+
+  /**
+   * The analyzer being used to analyze the test cases.
+   */
+  StaticTypeAnalyzer _analyzer;
+
+  /**
+   * The type provider used to access the types.
+   */
+  TestTypeProvider _typeProvider;
+
+  /**
+   * The type system used to analyze the test cases.
+   */
+  TypeSystem get _typeSystem => _visitor.typeSystem;
+
+  void fail_visitFunctionExpressionInvocation() {
+    fail("Not yet tested");
+    _listener.assertNoErrors();
+  }
+
+  void fail_visitMethodInvocation() {
+    fail("Not yet tested");
+    _listener.assertNoErrors();
+  }
+
+  void fail_visitSimpleIdentifier() {
+    fail("Not yet tested");
+    _listener.assertNoErrors();
+  }
+
+  @override
+  void setUp() {
+    super.setUp();
+    _listener = new GatheringErrorListener();
+    _analyzer = _createAnalyzer();
+  }
+
+  void test_flatten_derived() {
+    // class Derived<T> extends Future<T> { ... }
+    ClassElementImpl derivedClass =
+        ElementFactory.classElement2('Derived', ['T']);
+    derivedClass.supertype = _typeProvider.futureType
+        .instantiate([derivedClass.typeParameters[0].type]);
+    InterfaceType intType = _typeProvider.intType;
+    DartType dynamicType = _typeProvider.dynamicType;
+    InterfaceType derivedIntType = derivedClass.type.instantiate([intType]);
+    // flatten(Derived) = dynamic
+    InterfaceType derivedDynamicType =
+        derivedClass.type.instantiate([dynamicType]);
+    expect(_flatten(derivedDynamicType), dynamicType);
+    // flatten(Derived<int>) = int
+    expect(_flatten(derivedIntType), intType);
+    // flatten(Derived<Derived>) = Derived
+    expect(_flatten(derivedClass.type.instantiate([derivedDynamicType])),
+        derivedDynamicType);
+    // flatten(Derived<Derived<int>>) = Derived<int>
+    expect(_flatten(derivedClass.type.instantiate([derivedIntType])),
+        derivedIntType);
+  }
+
+  void test_flatten_inhibit_recursion() {
+    // class A extends B
+    // class B extends A
+    ClassElementImpl classA = ElementFactory.classElement2('A', []);
+    ClassElementImpl classB = ElementFactory.classElement2('B', []);
+    classA.supertype = classB.type;
+    classB.supertype = classA.type;
+    // flatten(A) = A and flatten(B) = B, since neither class contains Future
+    // in its class hierarchy.  Even though there is a loop in the class
+    // hierarchy, flatten() should terminate.
+    expect(_flatten(classA.type), classA.type);
+    expect(_flatten(classB.type), classB.type);
+  }
+
+  void test_flatten_related_derived_types() {
+    InterfaceType intType = _typeProvider.intType;
+    InterfaceType numType = _typeProvider.numType;
+    // class Derived<T> extends Future<T>
+    ClassElementImpl derivedClass =
+        ElementFactory.classElement2('Derived', ['T']);
+    derivedClass.supertype = _typeProvider.futureType
+        .instantiate([derivedClass.typeParameters[0].type]);
+    InterfaceType derivedType = derivedClass.type;
+    // class A extends Derived<int> implements Derived<num> { ... }
+    ClassElementImpl classA =
+        ElementFactory.classElement('A', derivedType.instantiate([intType]));
+    classA.interfaces = <InterfaceType>[
+      derivedType.instantiate([numType])
+    ];
+    // class B extends Future<num> implements Future<int> { ... }
+    ClassElementImpl classB =
+        ElementFactory.classElement('B', derivedType.instantiate([numType]));
+    classB.interfaces = <InterfaceType>[
+      derivedType.instantiate([intType])
+    ];
+    // flatten(A) = flatten(B) = int, since int is more specific than num.
+    // The code in flatten() that inhibits infinite recursion shouldn't be
+    // fooled by the fact that Derived appears twice in the type hierarchy.
+    expect(_flatten(classA.type), intType);
+    expect(_flatten(classB.type), intType);
+  }
+
+  void test_flatten_related_types() {
+    InterfaceType futureType = _typeProvider.futureType;
+    InterfaceType intType = _typeProvider.intType;
+    InterfaceType numType = _typeProvider.numType;
+    // class A extends Future<int> implements Future<num> { ... }
+    ClassElementImpl classA =
+        ElementFactory.classElement('A', futureType.instantiate([intType]));
+    classA.interfaces = <InterfaceType>[
+      futureType.instantiate([numType])
+    ];
+    // class B extends Future<num> implements Future<int> { ... }
+    ClassElementImpl classB =
+        ElementFactory.classElement('B', futureType.instantiate([numType]));
+    classB.interfaces = <InterfaceType>[
+      futureType.instantiate([intType])
+    ];
+    // flatten(A) = flatten(B) = int, since int is more specific than num.
+    expect(_flatten(classA.type), intType);
+    expect(_flatten(classB.type), intType);
+  }
+
+  void test_flatten_simple() {
+    InterfaceType intType = _typeProvider.intType;
+    DartType dynamicType = _typeProvider.dynamicType;
+    InterfaceType futureDynamicType = _typeProvider.futureDynamicType;
+    InterfaceType futureIntType =
+        _typeProvider.futureType.instantiate([intType]);
+    InterfaceType futureFutureDynamicType =
+        _typeProvider.futureType.instantiate([futureDynamicType]);
+    InterfaceType futureFutureIntType =
+        _typeProvider.futureType.instantiate([futureIntType]);
+    // flatten(int) = int
+    expect(_flatten(intType), intType);
+    // flatten(dynamic) = dynamic
+    expect(_flatten(dynamicType), dynamicType);
+    // flatten(Future) = dynamic
+    expect(_flatten(futureDynamicType), dynamicType);
+    // flatten(Future<int>) = int
+    expect(_flatten(futureIntType), intType);
+    // flatten(Future<Future>) = dynamic
+    expect(_flatten(futureFutureDynamicType), dynamicType);
+    // flatten(Future<Future<int>>) = int
+    expect(_flatten(futureFutureIntType), intType);
+  }
+
+  void test_flatten_unrelated_types() {
+    InterfaceType futureType = _typeProvider.futureType;
+    InterfaceType intType = _typeProvider.intType;
+    InterfaceType stringType = _typeProvider.stringType;
+    // class A extends Future<int> implements Future<String> { ... }
+    ClassElementImpl classA =
+        ElementFactory.classElement('A', futureType.instantiate([intType]));
+    classA.interfaces = <InterfaceType>[
+      futureType.instantiate([stringType])
+    ];
+    // class B extends Future<String> implements Future<int> { ... }
+    ClassElementImpl classB =
+        ElementFactory.classElement('B', futureType.instantiate([stringType]));
+    classB.interfaces = <InterfaceType>[
+      futureType.instantiate([intType])
+    ];
+    // flatten(A) = A and flatten(B) = B, since neither string nor int is more
+    // specific than the other.
+    expect(_flatten(classA.type), classA.type);
+    expect(_flatten(classB.type), classB.type);
+  }
+
+  void test_visitAdjacentStrings() {
+    // "a" "b"
+    Expression node = AstFactory
+        .adjacentStrings([_resolvedString("a"), _resolvedString("b")]);
+    expect(_analyze(node), same(_typeProvider.stringType));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitAsExpression() {
+    // class A { ... this as B ... }
+    // class B extends A {}
+    ClassElement superclass = ElementFactory.classElement2("A");
+    InterfaceType superclassType = superclass.type;
+    ClassElement subclass = ElementFactory.classElement("B", superclassType);
+    Expression node = AstFactory.asExpression(
+        AstFactory.thisExpression(), AstFactory.typeName(subclass));
+    expect(_analyze3(node, superclassType), same(subclass.type));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitAssignmentExpression_compound_II() {
+    validate(TokenType operator) {
+      InterfaceType numType = _typeProvider.numType;
+      InterfaceType intType = _typeProvider.intType;
+      SimpleIdentifier identifier = _resolvedVariable(intType, "i");
+      AssignmentExpression node = AstFactory.assignmentExpression(
+          identifier, operator, _resolvedInteger(1));
+      MethodElement plusMethod = getMethod(numType, "+");
+      node.staticElement = plusMethod;
+      expect(_analyze(node), same(intType));
+      _listener.assertNoErrors();
+    }
+
+    validate(TokenType.MINUS_EQ);
+    validate(TokenType.PERCENT_EQ);
+    validate(TokenType.PLUS_EQ);
+    validate(TokenType.STAR_EQ);
+    validate(TokenType.TILDE_SLASH_EQ);
+  }
+
+  void test_visitAssignmentExpression_compound_lazy() {
+    validate(TokenType operator) {
+      InterfaceType boolType = _typeProvider.boolType;
+      SimpleIdentifier identifier = _resolvedVariable(boolType, "b");
+      AssignmentExpression node = AstFactory.assignmentExpression(
+          identifier, operator, _resolvedBool(true));
+      expect(_analyze(node), same(boolType));
+      _listener.assertNoErrors();
+    }
+
+    validate(TokenType.AMPERSAND_AMPERSAND_EQ);
+    validate(TokenType.BAR_BAR_EQ);
+  }
+
+  void test_visitAssignmentExpression_compound_plusID() {
+    validate(TokenType operator) {
+      InterfaceType numType = _typeProvider.numType;
+      InterfaceType intType = _typeProvider.intType;
+      InterfaceType doubleType = _typeProvider.doubleType;
+      SimpleIdentifier identifier = _resolvedVariable(intType, "i");
+      AssignmentExpression node = AstFactory.assignmentExpression(
+          identifier, operator, _resolvedDouble(1.0));
+      MethodElement plusMethod = getMethod(numType, "+");
+      node.staticElement = plusMethod;
+      expect(_analyze(node), same(doubleType));
+      _listener.assertNoErrors();
+    }
+
+    validate(TokenType.MINUS_EQ);
+    validate(TokenType.PERCENT_EQ);
+    validate(TokenType.PLUS_EQ);
+    validate(TokenType.STAR_EQ);
+  }
+
+  void test_visitAssignmentExpression_compoundIfNull_differentTypes() {
+    // double d; d ??= 0
+    Expression node = AstFactory.assignmentExpression(
+        _resolvedVariable(_typeProvider.doubleType, 'd'),
+        TokenType.QUESTION_QUESTION_EQ,
+        _resolvedInteger(0));
+    expect(_analyze(node), same(_typeProvider.numType));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitAssignmentExpression_compoundIfNull_sameTypes() {
+    // int i; i ??= 0
+    Expression node = AstFactory.assignmentExpression(
+        _resolvedVariable(_typeProvider.intType, 'i'),
+        TokenType.QUESTION_QUESTION_EQ,
+        _resolvedInteger(0));
+    expect(_analyze(node), same(_typeProvider.intType));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitAssignmentExpression_simple() {
+    // i = 0
+    InterfaceType intType = _typeProvider.intType;
+    Expression node = AstFactory.assignmentExpression(
+        _resolvedVariable(intType, "i"), TokenType.EQ, _resolvedInteger(0));
+    expect(_analyze(node), same(intType));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitAwaitExpression_flattened() {
+    // await e, where e has type Future<Future<int>>
+    InterfaceType intType = _typeProvider.intType;
+    InterfaceType futureIntType =
+        _typeProvider.futureType.instantiate(<DartType>[intType]);
+    InterfaceType futureFutureIntType =
+        _typeProvider.futureType.instantiate(<DartType>[futureIntType]);
+    Expression node =
+        AstFactory.awaitExpression(_resolvedVariable(futureFutureIntType, 'e'));
+    expect(_analyze(node), same(intType));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitAwaitExpression_simple() {
+    // await e, where e has type Future<int>
+    InterfaceType intType = _typeProvider.intType;
+    InterfaceType futureIntType =
+        _typeProvider.futureType.instantiate(<DartType>[intType]);
+    Expression node =
+        AstFactory.awaitExpression(_resolvedVariable(futureIntType, 'e'));
+    expect(_analyze(node), same(intType));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitBinaryExpression_equals() {
+    // 2 == 3
+    Expression node = AstFactory.binaryExpression(
+        _resolvedInteger(2), TokenType.EQ_EQ, _resolvedInteger(3));
+    expect(_analyze(node), same(_typeProvider.boolType));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitBinaryExpression_ifNull() {
+    // 1 ?? 1.5
+    Expression node = AstFactory.binaryExpression(
+        _resolvedInteger(1), TokenType.QUESTION_QUESTION, _resolvedDouble(1.5));
+    expect(_analyze(node), same(_typeProvider.numType));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitBinaryExpression_logicalAnd() {
+    // false && true
+    Expression node = AstFactory.binaryExpression(
+        AstFactory.booleanLiteral(false),
+        TokenType.AMPERSAND_AMPERSAND,
+        AstFactory.booleanLiteral(true));
+    expect(_analyze(node), same(_typeProvider.boolType));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitBinaryExpression_logicalOr() {
+    // false || true
+    Expression node = AstFactory.binaryExpression(
+        AstFactory.booleanLiteral(false),
+        TokenType.BAR_BAR,
+        AstFactory.booleanLiteral(true));
+    expect(_analyze(node), same(_typeProvider.boolType));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitBinaryExpression_minusID_propagated() {
+    // a - b
+    BinaryExpression node = AstFactory.binaryExpression(
+        _propagatedVariable(_typeProvider.intType, 'a'),
+        TokenType.MINUS,
+        _propagatedVariable(_typeProvider.doubleType, 'b'));
+    node.propagatedElement = getMethod(_typeProvider.numType, "+");
+    _analyze(node);
+    expect(node.propagatedType, same(_typeProvider.doubleType));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitBinaryExpression_notEquals() {
+    // 2 != 3
+    Expression node = AstFactory.binaryExpression(
+        _resolvedInteger(2), TokenType.BANG_EQ, _resolvedInteger(3));
+    expect(_analyze(node), same(_typeProvider.boolType));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitBinaryExpression_plusID() {
+    // 1 + 2.0
+    BinaryExpression node = AstFactory.binaryExpression(
+        _resolvedInteger(1), TokenType.PLUS, _resolvedDouble(2.0));
+    node.staticElement = getMethod(_typeProvider.numType, "+");
+    expect(_analyze(node), same(_typeProvider.doubleType));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitBinaryExpression_plusII() {
+    // 1 + 2
+    BinaryExpression node = AstFactory.binaryExpression(
+        _resolvedInteger(1), TokenType.PLUS, _resolvedInteger(2));
+    node.staticElement = getMethod(_typeProvider.numType, "+");
+    expect(_analyze(node), same(_typeProvider.intType));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitBinaryExpression_plusII_propagated() {
+    // a + b
+    BinaryExpression node = AstFactory.binaryExpression(
+        _propagatedVariable(_typeProvider.intType, 'a'),
+        TokenType.PLUS,
+        _propagatedVariable(_typeProvider.intType, 'b'));
+    node.propagatedElement = getMethod(_typeProvider.numType, "+");
+    _analyze(node);
+    expect(node.propagatedType, same(_typeProvider.intType));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitBinaryExpression_slash() {
+    // 2 / 2
+    BinaryExpression node = AstFactory.binaryExpression(
+        _resolvedInteger(2), TokenType.SLASH, _resolvedInteger(2));
+    node.staticElement = getMethod(_typeProvider.numType, "/");
+    expect(_analyze(node), same(_typeProvider.doubleType));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitBinaryExpression_star_notSpecial() {
+    // class A {
+    //   A operator *(double value);
+    // }
+    // (a as A) * 2.0
+    ClassElementImpl classA = ElementFactory.classElement2("A");
+    InterfaceType typeA = classA.type;
+    MethodElement operator =
+        ElementFactory.methodElement("*", typeA, [_typeProvider.doubleType]);
+    classA.methods = <MethodElement>[operator];
+    BinaryExpression node = AstFactory.binaryExpression(
+        AstFactory.asExpression(
+            AstFactory.identifier3("a"), AstFactory.typeName(classA)),
+        TokenType.PLUS,
+        _resolvedDouble(2.0));
+    node.staticElement = operator;
+    expect(_analyze(node), same(typeA));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitBinaryExpression_starID() {
+    // 1 * 2.0
+    BinaryExpression node = AstFactory.binaryExpression(
+        _resolvedInteger(1), TokenType.PLUS, _resolvedDouble(2.0));
+    node.staticElement = getMethod(_typeProvider.numType, "*");
+    expect(_analyze(node), same(_typeProvider.doubleType));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitBooleanLiteral_false() {
+    // false
+    Expression node = AstFactory.booleanLiteral(false);
+    expect(_analyze(node), same(_typeProvider.boolType));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitBooleanLiteral_true() {
+    // true
+    Expression node = AstFactory.booleanLiteral(true);
+    expect(_analyze(node), same(_typeProvider.boolType));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitCascadeExpression() {
+    // a..length
+    Expression node = AstFactory.cascadeExpression(
+        _resolvedString("a"), [AstFactory.propertyAccess2(null, "length")]);
+    expect(_analyze(node), same(_typeProvider.stringType));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitConditionalExpression_differentTypes() {
+    // true ? 1.0 : 0
+    Expression node = AstFactory.conditionalExpression(
+        AstFactory.booleanLiteral(true),
+        _resolvedDouble(1.0),
+        _resolvedInteger(0));
+    expect(_analyze(node), same(_typeProvider.numType));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitConditionalExpression_sameTypes() {
+    // true ? 1 : 0
+    Expression node = AstFactory.conditionalExpression(
+        AstFactory.booleanLiteral(true),
+        _resolvedInteger(1),
+        _resolvedInteger(0));
+    expect(_analyze(node), same(_typeProvider.intType));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitDoubleLiteral() {
+    // 4.33
+    Expression node = AstFactory.doubleLiteral(4.33);
+    expect(_analyze(node), same(_typeProvider.doubleType));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitFunctionExpression_async_block() {
+    // () async {}
+    BlockFunctionBody body = AstFactory.blockFunctionBody2();
+    body.keyword = TokenFactory.tokenFromString('async');
+    FunctionExpression node =
+        _resolvedFunctionExpression(AstFactory.formalParameterList([]), body);
+    DartType resultType = _analyze(node);
+    _assertFunctionType(
+        _typeProvider.futureDynamicType, null, null, null, resultType);
+    _listener.assertNoErrors();
+  }
+
+  void test_visitFunctionExpression_async_expression() {
+    // () async => e, where e has type int
+    InterfaceType intType = _typeProvider.intType;
+    InterfaceType futureIntType =
+        _typeProvider.futureType.instantiate(<DartType>[intType]);
+    Expression expression = _resolvedVariable(intType, 'e');
+    ExpressionFunctionBody body = AstFactory.expressionFunctionBody(expression);
+    body.keyword = TokenFactory.tokenFromString('async');
+    FunctionExpression node =
+        _resolvedFunctionExpression(AstFactory.formalParameterList([]), body);
+    DartType resultType = _analyze(node);
+    _assertFunctionType(futureIntType, null, null, null, resultType);
+    _listener.assertNoErrors();
+  }
+
+  void test_visitFunctionExpression_async_expression_flatten() {
+    // () async => e, where e has type Future<int>
+    InterfaceType intType = _typeProvider.intType;
+    InterfaceType futureIntType =
+        _typeProvider.futureType.instantiate(<DartType>[intType]);
+    Expression expression = _resolvedVariable(futureIntType, 'e');
+    ExpressionFunctionBody body = AstFactory.expressionFunctionBody(expression);
+    body.keyword = TokenFactory.tokenFromString('async');
+    FunctionExpression node =
+        _resolvedFunctionExpression(AstFactory.formalParameterList([]), body);
+    DartType resultType = _analyze(node);
+    _assertFunctionType(futureIntType, null, null, null, resultType);
+    _listener.assertNoErrors();
+  }
+
+  void test_visitFunctionExpression_async_expression_flatten_twice() {
+    // () async => e, where e has type Future<Future<int>>
+    InterfaceType intType = _typeProvider.intType;
+    InterfaceType futureIntType =
+        _typeProvider.futureType.instantiate(<DartType>[intType]);
+    InterfaceType futureFutureIntType =
+        _typeProvider.futureType.instantiate(<DartType>[futureIntType]);
+    Expression expression = _resolvedVariable(futureFutureIntType, 'e');
+    ExpressionFunctionBody body = AstFactory.expressionFunctionBody(expression);
+    body.keyword = TokenFactory.tokenFromString('async');
+    FunctionExpression node =
+        _resolvedFunctionExpression(AstFactory.formalParameterList([]), body);
+    DartType resultType = _analyze(node);
+    _assertFunctionType(futureIntType, null, null, null, resultType);
+    _listener.assertNoErrors();
+  }
+
+  void test_visitFunctionExpression_generator_async() {
+    // () async* {}
+    BlockFunctionBody body = AstFactory.blockFunctionBody2();
+    body.keyword = TokenFactory.tokenFromString('async');
+    body.star = TokenFactory.tokenFromType(TokenType.STAR);
+    FunctionExpression node =
+        _resolvedFunctionExpression(AstFactory.formalParameterList([]), body);
+    DartType resultType = _analyze(node);
+    _assertFunctionType(
+        _typeProvider.streamDynamicType, null, null, null, resultType);
+    _listener.assertNoErrors();
+  }
+
+  void test_visitFunctionExpression_generator_sync() {
+    // () sync* {}
+    BlockFunctionBody body = AstFactory.blockFunctionBody2();
+    body.keyword = TokenFactory.tokenFromString('sync');
+    body.star = TokenFactory.tokenFromType(TokenType.STAR);
+    FunctionExpression node =
+        _resolvedFunctionExpression(AstFactory.formalParameterList([]), body);
+    DartType resultType = _analyze(node);
+    _assertFunctionType(
+        _typeProvider.iterableDynamicType, null, null, null, resultType);
+    _listener.assertNoErrors();
+  }
+
+  void test_visitFunctionExpression_named_block() {
+    // ({p1 : 0, p2 : 0}) {}
+    DartType dynamicType = _typeProvider.dynamicType;
+    FormalParameter p1 = AstFactory.namedFormalParameter(
+        AstFactory.simpleFormalParameter3("p1"), _resolvedInteger(0));
+    _setType(p1, dynamicType);
+    FormalParameter p2 = AstFactory.namedFormalParameter(
+        AstFactory.simpleFormalParameter3("p2"), _resolvedInteger(0));
+    _setType(p2, dynamicType);
+    FunctionExpression node = _resolvedFunctionExpression(
+        AstFactory.formalParameterList([p1, p2]),
+        AstFactory.blockFunctionBody2());
+    _analyze5(p1);
+    _analyze5(p2);
+    DartType resultType = _analyze(node);
+    Map<String, DartType> expectedNamedTypes = new HashMap<String, DartType>();
+    expectedNamedTypes["p1"] = dynamicType;
+    expectedNamedTypes["p2"] = dynamicType;
+    _assertFunctionType(
+        dynamicType, null, null, expectedNamedTypes, resultType);
+    _listener.assertNoErrors();
+  }
+
+  void test_visitFunctionExpression_named_expression() {
+    // ({p : 0}) -> 0;
+    DartType dynamicType = _typeProvider.dynamicType;
+    FormalParameter p = AstFactory.namedFormalParameter(
+        AstFactory.simpleFormalParameter3("p"), _resolvedInteger(0));
+    _setType(p, dynamicType);
+    FunctionExpression node = _resolvedFunctionExpression(
+        AstFactory.formalParameterList([p]),
+        AstFactory.expressionFunctionBody(_resolvedInteger(0)));
+    _analyze5(p);
+    DartType resultType = _analyze(node);
+    Map<String, DartType> expectedNamedTypes = new HashMap<String, DartType>();
+    expectedNamedTypes["p"] = dynamicType;
+    _assertFunctionType(
+        _typeProvider.intType, null, null, expectedNamedTypes, resultType);
+    _listener.assertNoErrors();
+  }
+
+  void test_visitFunctionExpression_normal_block() {
+    // (p1, p2) {}
+    DartType dynamicType = _typeProvider.dynamicType;
+    FormalParameter p1 = AstFactory.simpleFormalParameter3("p1");
+    _setType(p1, dynamicType);
+    FormalParameter p2 = AstFactory.simpleFormalParameter3("p2");
+    _setType(p2, dynamicType);
+    FunctionExpression node = _resolvedFunctionExpression(
+        AstFactory.formalParameterList([p1, p2]),
+        AstFactory.blockFunctionBody2());
+    _analyze5(p1);
+    _analyze5(p2);
+    DartType resultType = _analyze(node);
+    _assertFunctionType(dynamicType, <DartType>[dynamicType, dynamicType], null,
+        null, resultType);
+    _listener.assertNoErrors();
+  }
+
+  void test_visitFunctionExpression_normal_expression() {
+    // (p1, p2) -> 0
+    DartType dynamicType = _typeProvider.dynamicType;
+    FormalParameter p = AstFactory.simpleFormalParameter3("p");
+    _setType(p, dynamicType);
+    FunctionExpression node = _resolvedFunctionExpression(
+        AstFactory.formalParameterList([p]),
+        AstFactory.expressionFunctionBody(_resolvedInteger(0)));
+    _analyze5(p);
+    DartType resultType = _analyze(node);
+    _assertFunctionType(
+        _typeProvider.intType, <DartType>[dynamicType], null, null, resultType);
+    _listener.assertNoErrors();
+  }
+
+  void test_visitFunctionExpression_normalAndNamed_block() {
+    // (p1, {p2 : 0}) {}
+    DartType dynamicType = _typeProvider.dynamicType;
+    FormalParameter p1 = AstFactory.simpleFormalParameter3("p1");
+    _setType(p1, dynamicType);
+    FormalParameter p2 = AstFactory.namedFormalParameter(
+        AstFactory.simpleFormalParameter3("p2"), _resolvedInteger(0));
+    _setType(p2, dynamicType);
+    FunctionExpression node = _resolvedFunctionExpression(
+        AstFactory.formalParameterList([p1, p2]),
+        AstFactory.blockFunctionBody2());
+    _analyze5(p2);
+    DartType resultType = _analyze(node);
+    Map<String, DartType> expectedNamedTypes = new HashMap<String, DartType>();
+    expectedNamedTypes["p2"] = dynamicType;
+    _assertFunctionType(dynamicType, <DartType>[dynamicType], null,
+        expectedNamedTypes, resultType);
+    _listener.assertNoErrors();
+  }
+
+  void test_visitFunctionExpression_normalAndNamed_expression() {
+    // (p1, {p2 : 0}) -> 0
+    DartType dynamicType = _typeProvider.dynamicType;
+    FormalParameter p1 = AstFactory.simpleFormalParameter3("p1");
+    _setType(p1, dynamicType);
+    FormalParameter p2 = AstFactory.namedFormalParameter(
+        AstFactory.simpleFormalParameter3("p2"), _resolvedInteger(0));
+    _setType(p2, dynamicType);
+    FunctionExpression node = _resolvedFunctionExpression(
+        AstFactory.formalParameterList([p1, p2]),
+        AstFactory.expressionFunctionBody(_resolvedInteger(0)));
+    _analyze5(p2);
+    DartType resultType = _analyze(node);
+    Map<String, DartType> expectedNamedTypes = new HashMap<String, DartType>();
+    expectedNamedTypes["p2"] = dynamicType;
+    _assertFunctionType(_typeProvider.intType, <DartType>[dynamicType], null,
+        expectedNamedTypes, resultType);
+    _listener.assertNoErrors();
+  }
+
+  void test_visitFunctionExpression_normalAndPositional_block() {
+    // (p1, [p2 = 0]) {}
+    DartType dynamicType = _typeProvider.dynamicType;
+    FormalParameter p1 = AstFactory.simpleFormalParameter3("p1");
+    _setType(p1, dynamicType);
+    FormalParameter p2 = AstFactory.positionalFormalParameter(
+        AstFactory.simpleFormalParameter3("p2"), _resolvedInteger(0));
+    _setType(p2, dynamicType);
+    FunctionExpression node = _resolvedFunctionExpression(
+        AstFactory.formalParameterList([p1, p2]),
+        AstFactory.blockFunctionBody2());
+    _analyze5(p1);
+    _analyze5(p2);
+    DartType resultType = _analyze(node);
+    _assertFunctionType(dynamicType, <DartType>[dynamicType],
+        <DartType>[dynamicType], null, resultType);
+    _listener.assertNoErrors();
+  }
+
+  void test_visitFunctionExpression_normalAndPositional_expression() {
+    // (p1, [p2 = 0]) -> 0
+    DartType dynamicType = _typeProvider.dynamicType;
+    FormalParameter p1 = AstFactory.simpleFormalParameter3("p1");
+    _setType(p1, dynamicType);
+    FormalParameter p2 = AstFactory.positionalFormalParameter(
+        AstFactory.simpleFormalParameter3("p2"), _resolvedInteger(0));
+    _setType(p2, dynamicType);
+    FunctionExpression node = _resolvedFunctionExpression(
+        AstFactory.formalParameterList([p1, p2]),
+        AstFactory.expressionFunctionBody(_resolvedInteger(0)));
+    _analyze5(p1);
+    _analyze5(p2);
+    DartType resultType = _analyze(node);
+    _assertFunctionType(_typeProvider.intType, <DartType>[dynamicType],
+        <DartType>[dynamicType], null, resultType);
+    _listener.assertNoErrors();
+  }
+
+  void test_visitFunctionExpression_positional_block() {
+    // ([p1 = 0, p2 = 0]) {}
+    DartType dynamicType = _typeProvider.dynamicType;
+    FormalParameter p1 = AstFactory.positionalFormalParameter(
+        AstFactory.simpleFormalParameter3("p1"), _resolvedInteger(0));
+    _setType(p1, dynamicType);
+    FormalParameter p2 = AstFactory.positionalFormalParameter(
+        AstFactory.simpleFormalParameter3("p2"), _resolvedInteger(0));
+    _setType(p2, dynamicType);
+    FunctionExpression node = _resolvedFunctionExpression(
+        AstFactory.formalParameterList([p1, p2]),
+        AstFactory.blockFunctionBody2());
+    _analyze5(p1);
+    _analyze5(p2);
+    DartType resultType = _analyze(node);
+    _assertFunctionType(dynamicType, null, <DartType>[dynamicType, dynamicType],
+        null, resultType);
+    _listener.assertNoErrors();
+  }
+
+  void test_visitFunctionExpression_positional_expression() {
+    // ([p1 = 0, p2 = 0]) -> 0
+    DartType dynamicType = _typeProvider.dynamicType;
+    FormalParameter p = AstFactory.positionalFormalParameter(
+        AstFactory.simpleFormalParameter3("p"), _resolvedInteger(0));
+    _setType(p, dynamicType);
+    FunctionExpression node = _resolvedFunctionExpression(
+        AstFactory.formalParameterList([p]),
+        AstFactory.expressionFunctionBody(_resolvedInteger(0)));
+    _analyze5(p);
+    DartType resultType = _analyze(node);
+    _assertFunctionType(
+        _typeProvider.intType, null, <DartType>[dynamicType], null, resultType);
+    _listener.assertNoErrors();
+  }
+
+  void test_visitIndexExpression_getter() {
+    // List a;
+    // a[2]
+    InterfaceType listType = _typeProvider.listType;
+    SimpleIdentifier identifier = _resolvedVariable(listType, "a");
+    IndexExpression node =
+        AstFactory.indexExpression(identifier, _resolvedInteger(2));
+    MethodElement indexMethod = listType.element.methods[0];
+    node.staticElement = indexMethod;
+    expect(_analyze(node), same(listType.typeArguments[0]));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitIndexExpression_setter() {
+    // List a;
+    // a[2] = 0
+    InterfaceType listType = _typeProvider.listType;
+    SimpleIdentifier identifier = _resolvedVariable(listType, "a");
+    IndexExpression node =
+        AstFactory.indexExpression(identifier, _resolvedInteger(2));
+    MethodElement indexMethod = listType.element.methods[1];
+    node.staticElement = indexMethod;
+    AstFactory.assignmentExpression(node, TokenType.EQ, AstFactory.integer(0));
+    expect(_analyze(node), same(listType.typeArguments[0]));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitIndexExpression_typeParameters() {
+    // List<int> list = ...
+    // list[0]
+    InterfaceType intType = _typeProvider.intType;
+    InterfaceType listType = _typeProvider.listType;
+    // (int) -> E
+    MethodElement methodElement = getMethod(listType, "[]");
+    // "list" has type List<int>
+    SimpleIdentifier identifier = AstFactory.identifier3("list");
+    InterfaceType listOfIntType = listType.instantiate(<DartType>[intType]);
+    identifier.staticType = listOfIntType;
+    // list[0] has MethodElement element (int) -> E
+    IndexExpression indexExpression =
+        AstFactory.indexExpression(identifier, AstFactory.integer(0));
+    MethodElement indexMethod = MethodMember.from(methodElement, listOfIntType);
+    indexExpression.staticElement = indexMethod;
+    // analyze and assert result of the index expression
+    expect(_analyze(indexExpression), same(intType));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitIndexExpression_typeParameters_inSetterContext() {
+    // List<int> list = ...
+    // list[0] = 0;
+    InterfaceType intType = _typeProvider.intType;
+    InterfaceType listType = _typeProvider.listType;
+    // (int, E) -> void
+    MethodElement methodElement = getMethod(listType, "[]=");
+    // "list" has type List<int>
+    SimpleIdentifier identifier = AstFactory.identifier3("list");
+    InterfaceType listOfIntType = listType.instantiate(<DartType>[intType]);
+    identifier.staticType = listOfIntType;
+    // list[0] has MethodElement element (int) -> E
+    IndexExpression indexExpression =
+        AstFactory.indexExpression(identifier, AstFactory.integer(0));
+    MethodElement indexMethod = MethodMember.from(methodElement, listOfIntType);
+    indexExpression.staticElement = indexMethod;
+    // list[0] should be in a setter context
+    AstFactory.assignmentExpression(
+        indexExpression, TokenType.EQ, AstFactory.integer(0));
+    // analyze and assert result of the index expression
+    expect(_analyze(indexExpression), same(intType));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitInstanceCreationExpression_named() {
+    // new C.m()
+    ClassElementImpl classElement = ElementFactory.classElement2("C");
+    String constructorName = "m";
+    ConstructorElementImpl constructor =
+        ElementFactory.constructorElement2(classElement, constructorName);
+    classElement.constructors = <ConstructorElement>[constructor];
+    InstanceCreationExpression node = AstFactory.instanceCreationExpression2(
+        null,
+        AstFactory.typeName(classElement),
+        [AstFactory.identifier3(constructorName)]);
+    node.staticElement = constructor;
+    expect(_analyze(node), same(classElement.type));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitInstanceCreationExpression_typeParameters() {
+    // new C<I>()
+    ClassElementImpl elementC = ElementFactory.classElement2("C", ["E"]);
+    ClassElementImpl elementI = ElementFactory.classElement2("I");
+    ConstructorElementImpl constructor =
+        ElementFactory.constructorElement2(elementC, null);
+    elementC.constructors = <ConstructorElement>[constructor];
+    TypeName typeName =
+        AstFactory.typeName(elementC, [AstFactory.typeName(elementI)]);
+    typeName.type = elementC.type.instantiate(<DartType>[elementI.type]);
+    InstanceCreationExpression node =
+        AstFactory.instanceCreationExpression2(null, typeName);
+    node.staticElement = constructor;
+    InterfaceType interfaceType = _analyze(node) as InterfaceType;
+    List<DartType> typeArgs = interfaceType.typeArguments;
+    expect(typeArgs.length, 1);
+    expect(typeArgs[0], elementI.type);
+    _listener.assertNoErrors();
+  }
+
+  void test_visitInstanceCreationExpression_unnamed() {
+    // new C()
+    ClassElementImpl classElement = ElementFactory.classElement2("C");
+    ConstructorElementImpl constructor =
+        ElementFactory.constructorElement2(classElement, null);
+    classElement.constructors = <ConstructorElement>[constructor];
+    InstanceCreationExpression node = AstFactory.instanceCreationExpression2(
+        null, AstFactory.typeName(classElement));
+    node.staticElement = constructor;
+    expect(_analyze(node), same(classElement.type));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitIntegerLiteral() {
+    // 42
+    Expression node = _resolvedInteger(42);
+    expect(_analyze(node), same(_typeProvider.intType));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitIsExpression_negated() {
+    // a is! String
+    Expression node = AstFactory.isExpression(
+        _resolvedString("a"), true, AstFactory.typeName4("String"));
+    expect(_analyze(node), same(_typeProvider.boolType));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitIsExpression_notNegated() {
+    // a is String
+    Expression node = AstFactory.isExpression(
+        _resolvedString("a"), false, AstFactory.typeName4("String"));
+    expect(_analyze(node), same(_typeProvider.boolType));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitListLiteral_empty() {
+    // []
+    Expression node = AstFactory.listLiteral();
+    DartType resultType = _analyze(node);
+    _assertType2(
+        _typeProvider.listType
+            .instantiate(<DartType>[_typeProvider.dynamicType]),
+        resultType);
+    _listener.assertNoErrors();
+  }
+
+  void test_visitListLiteral_nonEmpty() {
+    // [0]
+    Expression node = AstFactory.listLiteral([_resolvedInteger(0)]);
+    DartType resultType = _analyze(node);
+    _assertType2(
+        _typeProvider.listType
+            .instantiate(<DartType>[_typeProvider.dynamicType]),
+        resultType);
+    _listener.assertNoErrors();
+  }
+
+  void test_visitListLiteral_unresolved() {
+    _analyzer = _createAnalyzer(strongMode: true);
+    // [a] // where 'a' is not resolved
+    Identifier identifier = AstFactory.identifier3('a');
+    Expression node = AstFactory.listLiteral([identifier]);
+    DartType resultType = _analyze(node);
+    _assertType2(
+        _typeProvider.listType
+            .instantiate(<DartType>[_typeProvider.dynamicType]),
+        resultType);
+    _listener.assertNoErrors();
+  }
+
+  void test_visitListLiteral_unresolved_multiple() {
+    _analyzer = _createAnalyzer(strongMode: true);
+    // [0, a, 1] // where 'a' is not resolved
+    Identifier identifier = AstFactory.identifier3('a');
+    Expression node = AstFactory
+        .listLiteral([_resolvedInteger(0), identifier, _resolvedInteger(1)]);
+    DartType resultType = _analyze(node);
+    _assertType2(
+        _typeProvider.listType.instantiate(<DartType>[_typeProvider.intType]),
+        resultType);
+    _listener.assertNoErrors();
+  }
+
+  void test_visitMapLiteral_empty() {
+    // {}
+    Expression node = AstFactory.mapLiteral2();
+    DartType resultType = _analyze(node);
+    _assertType2(
+        _typeProvider.mapType.instantiate(
+            <DartType>[_typeProvider.dynamicType, _typeProvider.dynamicType]),
+        resultType);
+    _listener.assertNoErrors();
+  }
+
+  void test_visitMapLiteral_nonEmpty() {
+    // {"k" : 0}
+    Expression node = AstFactory
+        .mapLiteral2([AstFactory.mapLiteralEntry("k", _resolvedInteger(0))]);
+    DartType resultType = _analyze(node);
+    _assertType2(
+        _typeProvider.mapType.instantiate(
+            <DartType>[_typeProvider.dynamicType, _typeProvider.dynamicType]),
+        resultType);
+    _listener.assertNoErrors();
+  }
+
+  void test_visitMethodInvocation_then() {
+    // then()
+    Expression node = AstFactory.methodInvocation(null, "then");
+    _analyze(node);
+    _listener.assertNoErrors();
+  }
+
+  void test_visitNamedExpression() {
+    // n: a
+    Expression node = AstFactory.namedExpression2("n", _resolvedString("a"));
+    expect(_analyze(node), same(_typeProvider.stringType));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitNullLiteral() {
+    // null
+    Expression node = AstFactory.nullLiteral();
+    expect(_analyze(node), same(_typeProvider.bottomType));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitParenthesizedExpression() {
+    // (0)
+    Expression node = AstFactory.parenthesizedExpression(_resolvedInteger(0));
+    expect(_analyze(node), same(_typeProvider.intType));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitPostfixExpression_minusMinus() {
+    // 0--
+    PostfixExpression node = AstFactory.postfixExpression(
+        _resolvedInteger(0), TokenType.MINUS_MINUS);
+    expect(_analyze(node), same(_typeProvider.intType));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitPostfixExpression_plusPlus() {
+    // 0++
+    PostfixExpression node =
+        AstFactory.postfixExpression(_resolvedInteger(0), TokenType.PLUS_PLUS);
+    expect(_analyze(node), same(_typeProvider.intType));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitPrefixedIdentifier_getter() {
+    DartType boolType = _typeProvider.boolType;
+    PropertyAccessorElementImpl getter =
+        ElementFactory.getterElement("b", false, boolType);
+    PrefixedIdentifier node = AstFactory.identifier5("a", "b");
+    node.identifier.staticElement = getter;
+    expect(_analyze(node), same(boolType));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitPrefixedIdentifier_setter() {
+    DartType boolType = _typeProvider.boolType;
+    FieldElementImpl field =
+        ElementFactory.fieldElement("b", false, false, false, boolType);
+    PropertyAccessorElement setter = field.setter;
+    PrefixedIdentifier node = AstFactory.identifier5("a", "b");
+    node.identifier.staticElement = setter;
+    expect(_analyze(node), same(boolType));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitPrefixedIdentifier_variable() {
+    VariableElementImpl variable = ElementFactory.localVariableElement2("b");
+    variable.type = _typeProvider.boolType;
+    PrefixedIdentifier node = AstFactory.identifier5("a", "b");
+    node.identifier.staticElement = variable;
+    expect(_analyze(node), same(_typeProvider.boolType));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitPrefixExpression_bang() {
+    // !0
+    PrefixExpression node =
+        AstFactory.prefixExpression(TokenType.BANG, _resolvedInteger(0));
+    expect(_analyze(node), same(_typeProvider.boolType));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitPrefixExpression_minus() {
+    // -0
+    PrefixExpression node =
+        AstFactory.prefixExpression(TokenType.MINUS, _resolvedInteger(0));
+    MethodElement minusMethod = getMethod(_typeProvider.numType, "-");
+    node.staticElement = minusMethod;
+    expect(_analyze(node), same(_typeProvider.numType));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitPrefixExpression_minusMinus() {
+    // --0
+    PrefixExpression node =
+        AstFactory.prefixExpression(TokenType.MINUS_MINUS, _resolvedInteger(0));
+    MethodElement minusMethod = getMethod(_typeProvider.numType, "-");
+    node.staticElement = minusMethod;
+    expect(_analyze(node), same(_typeProvider.intType));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitPrefixExpression_not() {
+    // !true
+    Expression node = AstFactory.prefixExpression(
+        TokenType.BANG, AstFactory.booleanLiteral(true));
+    expect(_analyze(node), same(_typeProvider.boolType));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitPrefixExpression_plusPlus() {
+    // ++0
+    PrefixExpression node =
+        AstFactory.prefixExpression(TokenType.PLUS_PLUS, _resolvedInteger(0));
+    MethodElement plusMethod = getMethod(_typeProvider.numType, "+");
+    node.staticElement = plusMethod;
+    expect(_analyze(node), same(_typeProvider.intType));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitPrefixExpression_tilde() {
+    // ~0
+    PrefixExpression node =
+        AstFactory.prefixExpression(TokenType.TILDE, _resolvedInteger(0));
+    MethodElement tildeMethod = getMethod(_typeProvider.intType, "~");
+    node.staticElement = tildeMethod;
+    expect(_analyze(node), same(_typeProvider.intType));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitPropertyAccess_propagated_getter() {
+    DartType boolType = _typeProvider.boolType;
+    PropertyAccessorElementImpl getter =
+        ElementFactory.getterElement("b", false, boolType);
+    PropertyAccess node =
+        AstFactory.propertyAccess2(AstFactory.identifier3("a"), "b");
+    node.propertyName.propagatedElement = getter;
+    expect(_analyze2(node, false), same(boolType));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitPropertyAccess_propagated_setter() {
+    DartType boolType = _typeProvider.boolType;
+    FieldElementImpl field =
+        ElementFactory.fieldElement("b", false, false, false, boolType);
+    PropertyAccessorElement setter = field.setter;
+    PropertyAccess node =
+        AstFactory.propertyAccess2(AstFactory.identifier3("a"), "b");
+    node.propertyName.propagatedElement = setter;
+    expect(_analyze2(node, false), same(boolType));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitPropertyAccess_static_getter() {
+    DartType boolType = _typeProvider.boolType;
+    PropertyAccessorElementImpl getter =
+        ElementFactory.getterElement("b", false, boolType);
+    PropertyAccess node =
+        AstFactory.propertyAccess2(AstFactory.identifier3("a"), "b");
+    node.propertyName.staticElement = getter;
+    expect(_analyze(node), same(boolType));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitPropertyAccess_static_setter() {
+    DartType boolType = _typeProvider.boolType;
+    FieldElementImpl field =
+        ElementFactory.fieldElement("b", false, false, false, boolType);
+    PropertyAccessorElement setter = field.setter;
+    PropertyAccess node =
+        AstFactory.propertyAccess2(AstFactory.identifier3("a"), "b");
+    node.propertyName.staticElement = setter;
+    expect(_analyze(node), same(boolType));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitSimpleIdentifier_dynamic() {
+    // "dynamic"
+    SimpleIdentifier identifier = AstFactory.identifier3('dynamic');
+    DynamicElementImpl element = DynamicElementImpl.instance;
+    identifier.staticElement = element;
+    identifier.staticType = _typeProvider.typeType;
+    expect(_analyze(identifier), same(_typeProvider.typeType));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitSimpleStringLiteral() {
+    // "a"
+    Expression node = _resolvedString("a");
+    expect(_analyze(node), same(_typeProvider.stringType));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitStringInterpolation() {
+    // "a${'b'}c"
+    Expression node = AstFactory.string([
+      AstFactory.interpolationString("a", "a"),
+      AstFactory.interpolationExpression(_resolvedString("b")),
+      AstFactory.interpolationString("c", "c")
+    ]);
+    expect(_analyze(node), same(_typeProvider.stringType));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitSuperExpression() {
+    // super
+    InterfaceType superType = ElementFactory.classElement2("A").type;
+    InterfaceType thisType = ElementFactory.classElement("B", superType).type;
+    Expression node = AstFactory.superExpression();
+    expect(_analyze3(node, thisType), same(thisType));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitSymbolLiteral() {
+    expect(_analyze(AstFactory.symbolLiteral(["a"])),
+        same(_typeProvider.symbolType));
+  }
+
+  void test_visitThisExpression() {
+    // this
+    InterfaceType thisType = ElementFactory
+        .classElement("B", ElementFactory.classElement2("A").type)
+        .type;
+    Expression node = AstFactory.thisExpression();
+    expect(_analyze3(node, thisType), same(thisType));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitThrowExpression_withoutValue() {
+    // throw
+    Expression node = AstFactory.throwExpression();
+    expect(_analyze(node), same(_typeProvider.bottomType));
+    _listener.assertNoErrors();
+  }
+
+  void test_visitThrowExpression_withValue() {
+    // throw 0
+    Expression node = AstFactory.throwExpression2(_resolvedInteger(0));
+    expect(_analyze(node), same(_typeProvider.bottomType));
+    _listener.assertNoErrors();
+  }
+
+  /**
+   * Return the type associated with the given expression after the static type analyzer has
+   * computed a type for it.
+   *
+   * @param node the expression with which the type is associated
+   * @return the type associated with the expression
+   */
+  DartType _analyze(Expression node) => _analyze4(node, null, true);
+
+  /**
+   * Return the type associated with the given expression after the static or propagated type
+   * analyzer has computed a type for it.
+   *
+   * @param node the expression with which the type is associated
+   * @param useStaticType `true` if the static type is being requested, and `false` if
+   *          the propagated type is being requested
+   * @return the type associated with the expression
+   */
+  DartType _analyze2(Expression node, bool useStaticType) =>
+      _analyze4(node, null, useStaticType);
+
+  /**
+   * Return the type associated with the given expression after the static type analyzer has
+   * computed a type for it.
+   *
+   * @param node the expression with which the type is associated
+   * @param thisType the type of 'this'
+   * @return the type associated with the expression
+   */
+  DartType _analyze3(Expression node, InterfaceType thisType) =>
+      _analyze4(node, thisType, true);
+
+  /**
+   * Return the type associated with the given expression after the static type analyzer has
+   * computed a type for it.
+   *
+   * @param node the expression with which the type is associated
+   * @param thisType the type of 'this'
+   * @param useStaticType `true` if the static type is being requested, and `false` if
+   *          the propagated type is being requested
+   * @return the type associated with the expression
+   */
+  DartType _analyze4(
+      Expression node, InterfaceType thisType, bool useStaticType) {
+    _analyzer.thisType = thisType;
+    node.accept(_analyzer);
+    if (useStaticType) {
+      return node.staticType;
+    } else {
+      return node.propagatedType;
+    }
+  }
+
+  /**
+   * Return the type associated with the given parameter after the static type analyzer has computed
+   * a type for it.
+   *
+   * @param node the parameter with which the type is associated
+   * @return the type associated with the parameter
+   */
+  DartType _analyze5(FormalParameter node) {
+    node.accept(_analyzer);
+    return (node.identifier.staticElement as ParameterElement).type;
+  }
+
+  /**
+   * Assert that the actual type is a function type with the expected characteristics.
+   *
+   * @param expectedReturnType the expected return type of the function
+   * @param expectedNormalTypes the expected types of the normal parameters
+   * @param expectedOptionalTypes the expected types of the optional parameters
+   * @param expectedNamedTypes the expected types of the named parameters
+   * @param actualType the type being tested
+   */
+  void _assertFunctionType(
+      DartType expectedReturnType,
+      List<DartType> expectedNormalTypes,
+      List<DartType> expectedOptionalTypes,
+      Map<String, DartType> expectedNamedTypes,
+      DartType actualType) {
+    EngineTestCase.assertInstanceOf(
+        (obj) => obj is FunctionType, FunctionType, actualType);
+    FunctionType functionType = actualType as FunctionType;
+    List<DartType> normalTypes = functionType.normalParameterTypes;
+    if (expectedNormalTypes == null) {
+      expect(normalTypes, hasLength(0));
+    } else {
+      int expectedCount = expectedNormalTypes.length;
+      expect(normalTypes, hasLength(expectedCount));
+      for (int i = 0; i < expectedCount; i++) {
+        expect(normalTypes[i], same(expectedNormalTypes[i]));
+      }
+    }
+    List<DartType> optionalTypes = functionType.optionalParameterTypes;
+    if (expectedOptionalTypes == null) {
+      expect(optionalTypes, hasLength(0));
+    } else {
+      int expectedCount = expectedOptionalTypes.length;
+      expect(optionalTypes, hasLength(expectedCount));
+      for (int i = 0; i < expectedCount; i++) {
+        expect(optionalTypes[i], same(expectedOptionalTypes[i]));
+      }
+    }
+    Map<String, DartType> namedTypes = functionType.namedParameterTypes;
+    if (expectedNamedTypes == null) {
+      expect(namedTypes, hasLength(0));
+    } else {
+      expect(namedTypes, hasLength(expectedNamedTypes.length));
+      expectedNamedTypes.forEach((String name, DartType type) {
+        expect(namedTypes[name], same(type));
+      });
+    }
+    expect(functionType.returnType, equals(expectedReturnType));
+  }
+
+  void _assertType(
+      InterfaceTypeImpl expectedType, InterfaceTypeImpl actualType) {
+    expect(actualType.displayName, expectedType.displayName);
+    expect(actualType.element, expectedType.element);
+    List<DartType> expectedArguments = expectedType.typeArguments;
+    int length = expectedArguments.length;
+    List<DartType> actualArguments = actualType.typeArguments;
+    expect(actualArguments, hasLength(length));
+    for (int i = 0; i < length; i++) {
+      _assertType2(expectedArguments[i], actualArguments[i]);
+    }
+  }
+
+  void _assertType2(DartType expectedType, DartType actualType) {
+    if (expectedType is InterfaceTypeImpl) {
+      EngineTestCase.assertInstanceOf(
+          (obj) => obj is InterfaceTypeImpl, InterfaceTypeImpl, actualType);
+      _assertType(expectedType, actualType as InterfaceTypeImpl);
+    }
+    // TODO(brianwilkerson) Compare other kinds of types then make this a shared
+    // utility method.
+  }
+
+  /**
+   * Create the analyzer used by the tests.
+   */
+  StaticTypeAnalyzer _createAnalyzer({bool strongMode: false}) {
+    MemoryResourceProvider resourceProvider = new MemoryResourceProvider();
+    InternalAnalysisContext context;
+    if (strongMode) {
+      AnalysisOptionsImpl options = new AnalysisOptionsImpl();
+      options.strongMode = true;
+      context = AnalysisContextFactory.contextWithCoreAndOptions(options,
+          resourceProvider: resourceProvider);
+    } else {
+      context = AnalysisContextFactory.contextWithCore(
+          resourceProvider: resourceProvider);
+    }
+    Source source = new FileSource(resourceProvider.getFile("/lib.dart"));
+    CompilationUnitElementImpl definingCompilationUnit =
+        new CompilationUnitElementImpl("lib.dart");
+    definingCompilationUnit.librarySource =
+        definingCompilationUnit.source = source;
+    LibraryElementImpl definingLibrary =
+        new LibraryElementImpl.forNode(context, null);
+    definingLibrary.definingCompilationUnit = definingCompilationUnit;
+    _typeProvider = new TestTypeProvider(context);
+    _visitor = new ResolverVisitor(
+        definingLibrary, source, _typeProvider, _listener,
+        nameScope: new LibraryScope(definingLibrary));
+    _visitor.overrideManager.enterScope();
+    return _visitor.typeAnalyzer;
+  }
+
+  DartType _flatten(DartType type) => type.flattenFutures(_typeSystem);
+
+  /**
+   * Return a simple identifier that has been resolved to a variable element with the given type.
+   *
+   * @param type the type of the variable being represented
+   * @param variableName the name of the variable
+   * @return a simple identifier that has been resolved to a variable element with the given type
+   */
+  SimpleIdentifier _propagatedVariable(
+      InterfaceType type, String variableName) {
+    SimpleIdentifier identifier = AstFactory.identifier3(variableName);
+    VariableElementImpl element =
+        ElementFactory.localVariableElement(identifier);
+    element.type = type;
+    identifier.staticType = _typeProvider.dynamicType;
+    identifier.propagatedElement = element;
+    identifier.propagatedType = type;
+    return identifier;
+  }
+
+  /**
+   * Return a boolean literal with the given [value] that has been resolved to
+   * the correct type.
+   */
+  BooleanLiteral _resolvedBool(bool value) {
+    BooleanLiteral literal = AstFactory.booleanLiteral(value);
+    literal.staticType = _typeProvider.intType;
+    return literal;
+  }
+
+  /**
+   * Return an integer literal that has been resolved to the correct type.
+   *
+   * @param value the value of the literal
+   * @return an integer literal that has been resolved to the correct type
+   */
+  DoubleLiteral _resolvedDouble(double value) {
+    DoubleLiteral literal = AstFactory.doubleLiteral(value);
+    literal.staticType = _typeProvider.doubleType;
+    return literal;
+  }
+
+  /**
+   * Create a function expression that has an element associated with it, where the element has an
+   * incomplete type associated with it (just like the one
+   * [ElementBuilder.visitFunctionExpression] would have built if we had
+   * run it).
+   *
+   * @param parameters the parameters to the function
+   * @param body the body of the function
+   * @return a resolved function expression
+   */
+  FunctionExpression _resolvedFunctionExpression(
+      FormalParameterList parameters, FunctionBody body) {
+    List<ParameterElement> parameterElements = new List<ParameterElement>();
+    for (FormalParameter parameter in parameters.parameters) {
+      ParameterElementImpl element =
+          new ParameterElementImpl.forNode(parameter.identifier);
+      element.parameterKind = parameter.kind;
+      element.type = _typeProvider.dynamicType;
+      parameter.identifier.staticElement = element;
+      parameterElements.add(element);
+    }
+    FunctionExpression node = AstFactory.functionExpression2(parameters, body);
+    FunctionElementImpl element = new FunctionElementImpl.forNode(null);
+    element.parameters = parameterElements;
+    element.type = new FunctionTypeImpl(element);
+    node.element = element;
+    return node;
+  }
+
+  /**
+   * Return an integer literal that has been resolved to the correct type.
+   *
+   * @param value the value of the literal
+   * @return an integer literal that has been resolved to the correct type
+   */
+  IntegerLiteral _resolvedInteger(int value) {
+    IntegerLiteral literal = AstFactory.integer(value);
+    literal.staticType = _typeProvider.intType;
+    return literal;
+  }
+
+  /**
+   * Return a string literal that has been resolved to the correct type.
+   *
+   * @param value the value of the literal
+   * @return a string literal that has been resolved to the correct type
+   */
+  SimpleStringLiteral _resolvedString(String value) {
+    SimpleStringLiteral string = AstFactory.string2(value);
+    string.staticType = _typeProvider.stringType;
+    return string;
+  }
+
+  /**
+   * Return a simple identifier that has been resolved to a variable element with the given type.
+   *
+   * @param type the type of the variable being represented
+   * @param variableName the name of the variable
+   * @return a simple identifier that has been resolved to a variable element with the given type
+   */
+  SimpleIdentifier _resolvedVariable(InterfaceType type, String variableName) {
+    SimpleIdentifier identifier = AstFactory.identifier3(variableName);
+    VariableElementImpl element =
+        ElementFactory.localVariableElement(identifier);
+    element.type = type;
+    identifier.staticElement = element;
+    identifier.staticType = type;
+    return identifier;
+  }
+
+  /**
+   * Set the type of the given parameter to the given type.
+   *
+   * @param parameter the parameter whose type is to be set
+   * @param type the new type of the given parameter
+   */
+  void _setType(FormalParameter parameter, DartType type) {
+    SimpleIdentifier identifier = parameter.identifier;
+    Element element = identifier.staticElement;
+    if (element is! ParameterElement) {
+      element = new ParameterElementImpl.forNode(identifier);
+      identifier.staticElement = element;
+    }
+    (element as ParameterElementImpl).type = type;
+  }
+}