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packages/analyzer/test/generated/compile_time_error_code_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.compile_time_error_code_test;
+
+import 'package:analyzer/src/generated/error.dart';
+import 'package:analyzer/src/generated/parser.dart' show ParserErrorCode;
+import 'package:analyzer/src/generated/source_io.dart';
+
+import '../reflective_tests.dart';
+import '../utils.dart';
+import 'resolver_test.dart';
+
+main() {
+  initializeTestEnvironment();
+  runReflectiveTests(CompileTimeErrorCodeTest);
+}
+
+@reflectiveTest
+class CompileTimeErrorCodeTest extends ResolverTestCase {
+  void fail_awaitInWrongContext_sync() {
+    // 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.
+    Source source = addSource(r'''
+f(x) {
+  return await x;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.AWAIT_IN_WRONG_CONTEXT]);
+    verify([source]);
+  }
+
+  void fail_awaitInWrongContext_syncStar() {
+    // 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.
+    Source source = addSource(r'''
+f(x) sync* {
+  yield await x;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.AWAIT_IN_WRONG_CONTEXT]);
+    verify([source]);
+  }
+
+  void fail_compileTimeConstantRaisesException() {
+    Source source = addSource(r'''
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.COMPILE_TIME_CONSTANT_RAISES_EXCEPTION]);
+    verify([source]);
+  }
+
+  void fail_constEvalThrowsException() {
+    Source source = addSource(r'''
+class C {
+  const C();
+}
+f() { return const C(); }''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.CONST_CONSTRUCTOR_THROWS_EXCEPTION]);
+    verify([source]);
+  }
+
+  void fail_invalidIdentifierInAsync_async() {
+    // TODO(brianwilkerson) Report this error.
+    Source source = addSource(r'''
+class A {
+  m() async {
+    int async;
+  }
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.INVALID_IDENTIFIER_IN_ASYNC]);
+    verify([source]);
+  }
+
+  void fail_invalidIdentifierInAsync_await() {
+    // TODO(brianwilkerson) Report this error.
+    Source source = addSource(r'''
+class A {
+  m() async {
+    int await;
+  }
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.INVALID_IDENTIFIER_IN_ASYNC]);
+    verify([source]);
+  }
+
+  void fail_invalidIdentifierInAsync_yield() {
+    // TODO(brianwilkerson) Report this error.
+    Source source = addSource(r'''
+class A {
+  m() async {
+    int yield;
+  }
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.INVALID_IDENTIFIER_IN_ASYNC]);
+    verify([source]);
+  }
+
+  void fail_mixinDeclaresConstructor() {
+    Source source = addSource(r'''
+class A {
+  A() {}
+}
+class B extends Object mixin A {}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.MIXIN_DECLARES_CONSTRUCTOR]);
+    verify([source]);
+  }
+
+  void fail_mixinOfNonClass() {
+    // TODO(brianwilkerson) Compare with MIXIN_WITH_NON_CLASS_SUPERCLASS.
+    Source source = addSource(r'''
+var A;
+class B extends Object mixin A {}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.MIXIN_OF_NON_CLASS]);
+    verify([source]);
+  }
+
+  void fail_objectCannotExtendAnotherClass() {
+    Source source = addSource(r'''
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.OBJECT_CANNOT_EXTEND_ANOTHER_CLASS]);
+    verify([source]);
+  }
+
+  void fail_superInitializerInObject() {
+    Source source = addSource(r'''
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.SUPER_INITIALIZER_IN_OBJECT]);
+    verify([source]);
+  }
+
+  void fail_yieldEachInNonGenerator_async() {
+    // TODO(brianwilkerson) We are currently parsing the yield statement as a
+    // binary expression.
+    Source source = addSource(r'''
+f() async {
+  yield* 0;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.YIELD_EACH_IN_NON_GENERATOR]);
+    verify([source]);
+  }
+
+  void fail_yieldEachInNonGenerator_sync() {
+    // TODO(brianwilkerson) We are currently parsing the yield statement as a
+    // binary expression.
+    Source source = addSource(r'''
+f() {
+  yield* 0;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.YIELD_IN_NON_GENERATOR]);
+    verify([source]);
+  }
+
+  void fail_yieldInNonGenerator_async() {
+    // TODO(brianwilkerson) We are currently trying to parse the yield statement
+    // as a binary expression.
+    Source source = addSource(r'''
+f() async {
+  yield 0;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.YIELD_IN_NON_GENERATOR]);
+    verify([source]);
+  }
+
+  void fail_yieldInNonGenerator_sync() {
+    // TODO(brianwilkerson) We are currently trying to parse the yield statement
+    // as a binary expression.
+    Source source = addSource(r'''
+f() {
+  yield 0;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.YIELD_EACH_IN_NON_GENERATOR]);
+    verify([source]);
+  }
+
+  void test_accessPrivateEnumField() {
+    Source source = addSource(r'''
+enum E { ONE }
+String name(E e) {
+  return e._name;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.ACCESS_PRIVATE_ENUM_FIELD]);
+    // Cannot verify because "_name" cannot be resolved.
+  }
+
+  void test_ambiguousExport() {
+    Source source = addSource(r'''
+library L;
+export 'lib1.dart';
+export 'lib2.dart';''');
+    addNamedSource(
+        "/lib1.dart",
+        r'''
+library lib1;
+class N {}''');
+    addNamedSource(
+        "/lib2.dart",
+        r'''
+library lib2;
+class N {}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.AMBIGUOUS_EXPORT]);
+    verify([source]);
+  }
+
+  void test_async_used_as_identifier_in_annotation() {
+    Source source = addSource('''
+const int async = 0;
+f() async {
+  g(@async x) {}
+  g(0);
+}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [ParserErrorCode.ASYNC_KEYWORD_USED_AS_IDENTIFIER]);
+    verify([source]);
+  }
+
+  void test_async_used_as_identifier_in_argument_label() {
+    Source source = addSource('''
+@proxy
+class C {}
+f() async {
+  new C().g(async: 0);
+}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [ParserErrorCode.ASYNC_KEYWORD_USED_AS_IDENTIFIER]);
+    // Note: we don't call verify([source]) because verify() doesn't understand
+    // about @proxy.
+  }
+
+  void test_async_used_as_identifier_in_async_method() {
+    Source source = addSource('''
+f() async {
+  var async = 1;
+}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [ParserErrorCode.ASYNC_KEYWORD_USED_AS_IDENTIFIER]);
+    verify([source]);
+  }
+
+  void test_async_used_as_identifier_in_async_star_method() {
+    Source source = addSource('''
+f() async* {
+  var async = 1;
+}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [ParserErrorCode.ASYNC_KEYWORD_USED_AS_IDENTIFIER]);
+    verify([source]);
+  }
+
+  void test_async_used_as_identifier_in_break_statement() {
+    Source source = addSource('''
+f() async {
+  while (true) {
+    break async;
+  }
+}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      ParserErrorCode.ASYNC_KEYWORD_USED_AS_IDENTIFIER,
+      CompileTimeErrorCode.LABEL_UNDEFINED
+    ]);
+    // Note: we don't call verify([source]) because the reference to the
+    // "async" label is unresolved.
+  }
+
+  void test_async_used_as_identifier_in_cascaded_invocation() {
+    Source source = addSource('''
+class C {
+  int async() => 1;
+}
+f() async {
+  return new C()..async();
+}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [ParserErrorCode.ASYNC_KEYWORD_USED_AS_IDENTIFIER]);
+    verify([source]);
+  }
+
+  void test_async_used_as_identifier_in_cascaded_setter_invocation() {
+    Source source = addSource('''
+class C {
+  void set async(int i) {}
+}
+f() async {
+  return new C()..async = 1;
+}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [ParserErrorCode.ASYNC_KEYWORD_USED_AS_IDENTIFIER]);
+    verify([source]);
+  }
+
+  void test_async_used_as_identifier_in_catch_exception_argument() {
+    Source source = addSource('''
+g() {}
+f() async {
+  try {
+    g();
+  } catch (async) { }
+}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [ParserErrorCode.ASYNC_KEYWORD_USED_AS_IDENTIFIER]);
+    verify([source]);
+  }
+
+  void test_async_used_as_identifier_in_catch_stacktrace_argument() {
+    Source source = addSource('''
+g() {}
+f() async {
+  try {
+    g();
+  } catch (e, async) { }
+}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [ParserErrorCode.ASYNC_KEYWORD_USED_AS_IDENTIFIER]);
+    verify([source]);
+  }
+
+  void test_async_used_as_identifier_in_continue_statement() {
+    Source source = addSource('''
+f() async {
+  while (true) {
+    continue async;
+  }
+}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      ParserErrorCode.ASYNC_KEYWORD_USED_AS_IDENTIFIER,
+      CompileTimeErrorCode.LABEL_UNDEFINED
+    ]);
+    // Note: we don't call verify([source]) because the reference to the
+    // "async" label is unresolved.
+  }
+
+  void test_async_used_as_identifier_in_for_statement() {
+    Source source = addSource('''
+var async;
+f() async {
+  for (async in []) {}
+}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [ParserErrorCode.ASYNC_KEYWORD_USED_AS_IDENTIFIER]);
+    verify([source]);
+  }
+
+  void test_async_used_as_identifier_in_formal_parameter_name() {
+    Source source = addSource('''
+f() async {
+  g(int async) {}
+  g(0);
+}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [ParserErrorCode.ASYNC_KEYWORD_USED_AS_IDENTIFIER]);
+    verify([source]);
+  }
+
+  void test_async_used_as_identifier_in_getter_name() {
+    Source source = addSource('''
+class C {
+  int get async => 1;
+}
+f() async {
+  return new C().async;
+}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [ParserErrorCode.ASYNC_KEYWORD_USED_AS_IDENTIFIER]);
+    verify([source]);
+  }
+
+  void test_async_used_as_identifier_in_invocation() {
+    Source source = addSource('''
+class C {
+  int async() => 1;
+}
+f() async {
+  return new C().async();
+}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [ParserErrorCode.ASYNC_KEYWORD_USED_AS_IDENTIFIER]);
+    verify([source]);
+  }
+
+  void test_async_used_as_identifier_in_local_function_name() {
+    Source source = addSource('''
+f() async {
+  int async() => null;
+}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [ParserErrorCode.ASYNC_KEYWORD_USED_AS_IDENTIFIER]);
+    verify([source]);
+  }
+
+  void test_async_used_as_identifier_in_prefix() {
+    Source source = addSource('''
+import 'dart:async' as async;
+f() async {
+  return new async.Future.value(0);
+}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [ParserErrorCode.ASYNC_KEYWORD_USED_AS_IDENTIFIER]);
+    verify([source]);
+  }
+
+  void test_async_used_as_identifier_in_setter_name() {
+    Source source = addSource('''
+class C {
+  void set async(int i) {}
+}
+f() async {
+  new C().async = 1;
+}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [ParserErrorCode.ASYNC_KEYWORD_USED_AS_IDENTIFIER]);
+    verify([source]);
+  }
+
+  void test_async_used_as_identifier_in_statement_label() {
+    Source source = addSource('''
+f() async {
+  async: g();
+}
+g() {}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [ParserErrorCode.ASYNC_KEYWORD_USED_AS_IDENTIFIER]);
+    verify([source]);
+  }
+
+  void test_async_used_as_identifier_in_string_interpolation() {
+    Source source = addSource(r'''
+int async = 1;
+f() async {
+  return "$async";
+}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [ParserErrorCode.ASYNC_KEYWORD_USED_AS_IDENTIFIER]);
+    verify([source]);
+  }
+
+  void test_async_used_as_identifier_in_suffix() {
+    addNamedSource(
+        "/lib1.dart",
+        r'''
+library lib1;
+int async;
+''');
+    Source source = addSource('''
+import 'lib1.dart' as l;
+f() async {
+  return l.async;
+}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [ParserErrorCode.ASYNC_KEYWORD_USED_AS_IDENTIFIER]);
+    verify([source]);
+  }
+
+  void test_async_used_as_identifier_in_switch_label() {
+    Source source = addSource('''
+f() async {
+  switch (0) {
+    async: case 0: break;
+  }
+}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [ParserErrorCode.ASYNC_KEYWORD_USED_AS_IDENTIFIER]);
+    verify([source]);
+  }
+
+  void test_async_used_as_identifier_in_sync_star_method() {
+    Source source = addSource('''
+f() sync* {
+  var async = 1;
+}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [ParserErrorCode.ASYNC_KEYWORD_USED_AS_IDENTIFIER]);
+    verify([source]);
+  }
+
+  void test_asyncForInWrongContext() {
+    Source source = addSource(r'''
+f(list) {
+  await for (var e in list) {
+  }
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.ASYNC_FOR_IN_WRONG_CONTEXT]);
+    verify([source]);
+  }
+
+  void test_await_used_as_identifier_in_async_method() {
+    Source source = addSource('''
+f() async {
+  var await = 1;
+}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [ParserErrorCode.ASYNC_KEYWORD_USED_AS_IDENTIFIER]);
+    verify([source]);
+  }
+
+  void test_await_used_as_identifier_in_async_star_method() {
+    Source source = addSource('''
+f() async* {
+  var await = 1;
+}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [ParserErrorCode.ASYNC_KEYWORD_USED_AS_IDENTIFIER]);
+    verify([source]);
+  }
+
+  void test_await_used_as_identifier_in_sync_star_method() {
+    Source source = addSource('''
+f() sync* {
+  var await = 1;
+}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [ParserErrorCode.ASYNC_KEYWORD_USED_AS_IDENTIFIER]);
+    verify([source]);
+  }
+
+  void test_bug_23176() {
+    Source source = addSource('''
+class A {
+  const A([x]);
+}
+class B {
+  dynamic @A(const A()) x;
+}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      ParserErrorCode.EXPECTED_CLASS_MEMBER,
+      ParserErrorCode.MISSING_CONST_FINAL_VAR_OR_TYPE
+    ]);
+    verify([source]);
+  }
+
+  void test_builtInIdentifierAsMixinName_classTypeAlias() {
+    Source source = addSource(r'''
+class A {}
+class B {}
+class as = A with B;''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.BUILT_IN_IDENTIFIER_AS_TYPEDEF_NAME]);
+    verify([source]);
+  }
+
+  void test_builtInIdentifierAsType_formalParameter_field() {
+    Source source = addSource(r'''
+class A {
+  var x;
+  A(static this.x);
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.BUILT_IN_IDENTIFIER_AS_TYPE]);
+    verify([source]);
+  }
+
+  void test_builtInIdentifierAsType_formalParameter_simple() {
+    Source source = addSource(r'''
+f(static x) {
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.BUILT_IN_IDENTIFIER_AS_TYPE]);
+    verify([source]);
+  }
+
+  void test_builtInIdentifierAsType_variableDeclaration() {
+    Source source = addSource(r'''
+f() {
+  typedef x;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.BUILT_IN_IDENTIFIER_AS_TYPE]);
+    verify([source]);
+  }
+
+  void test_builtInIdentifierAsTypedefName_functionTypeAlias() {
+    Source source = addSource("typedef bool as();");
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.BUILT_IN_IDENTIFIER_AS_TYPEDEF_NAME]);
+    verify([source]);
+  }
+
+  void test_builtInIdentifierAsTypeName() {
+    Source source = addSource("class as {}");
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.BUILT_IN_IDENTIFIER_AS_TYPE_NAME]);
+    verify([source]);
+  }
+
+  void test_builtInIdentifierAsTypeParameterName() {
+    Source source = addSource("class A<as> {}");
+    computeLibrarySourceErrors(source);
+    assertErrors(source,
+        [CompileTimeErrorCode.BUILT_IN_IDENTIFIER_AS_TYPE_PARAMETER_NAME]);
+    verify([source]);
+  }
+
+  void test_caseExpressionTypeImplementsEquals() {
+    Source source = addSource(r'''
+class IntWrapper {
+  final int value;
+  const IntWrapper(this.value);
+  bool operator ==(IntWrapper x) {
+    return value == x.value;
+  }
+  get hashCode => value;
+}
+
+f(var a) {
+  switch(a) {
+    case(const IntWrapper(1)) : return 1;
+    default: return 0;
+  }
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.CASE_EXPRESSION_TYPE_IMPLEMENTS_EQUALS]);
+    verify([source]);
+  }
+
+  void test_conflictingConstructorNameAndMember_field() {
+    Source source = addSource(r'''
+class A {
+  int x;
+  A.x() {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.CONFLICTING_CONSTRUCTOR_NAME_AND_FIELD]);
+    verify([source]);
+  }
+
+  void test_conflictingConstructorNameAndMember_method() {
+    Source source = addSource(r'''
+class A {
+  const A.x();
+  void x() {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.CONFLICTING_CONSTRUCTOR_NAME_AND_METHOD]);
+    verify([source]);
+  }
+
+  void test_conflictingGetterAndMethod_field_method() {
+    Source source = addSource(r'''
+class A {
+  final int m = 0;
+}
+class B extends A {
+  m() {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.CONFLICTING_GETTER_AND_METHOD]);
+    verify([source]);
+  }
+
+  void test_conflictingGetterAndMethod_getter_method() {
+    Source source = addSource(r'''
+class A {
+  get m => 0;
+}
+class B extends A {
+  m() {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.CONFLICTING_GETTER_AND_METHOD]);
+    verify([source]);
+  }
+
+  void test_conflictingGetterAndMethod_method_field() {
+    Source source = addSource(r'''
+class A {
+  m() {}
+}
+class B extends A {
+  int m;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.CONFLICTING_METHOD_AND_GETTER]);
+    verify([source]);
+  }
+
+  void test_conflictingGetterAndMethod_method_getter() {
+    Source source = addSource(r'''
+class A {
+  m() {}
+}
+class B extends A {
+  get m => 0;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.CONFLICTING_METHOD_AND_GETTER]);
+    verify([source]);
+  }
+
+  void test_conflictingTypeVariableAndClass() {
+    Source source = addSource(r'''
+class T<T> {
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.CONFLICTING_TYPE_VARIABLE_AND_CLASS]);
+    verify([source]);
+  }
+
+  void test_conflictingTypeVariableAndMember_field() {
+    Source source = addSource(r'''
+class A<T> {
+  var T;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.CONFLICTING_TYPE_VARIABLE_AND_MEMBER]);
+    verify([source]);
+  }
+
+  void test_conflictingTypeVariableAndMember_getter() {
+    Source source = addSource(r'''
+class A<T> {
+  get T => null;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.CONFLICTING_TYPE_VARIABLE_AND_MEMBER]);
+    verify([source]);
+  }
+
+  void test_conflictingTypeVariableAndMember_method() {
+    Source source = addSource(r'''
+class A<T> {
+  T() {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.CONFLICTING_TYPE_VARIABLE_AND_MEMBER]);
+    verify([source]);
+  }
+
+  void test_conflictingTypeVariableAndMember_method_static() {
+    Source source = addSource(r'''
+class A<T> {
+  static T() {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.CONFLICTING_TYPE_VARIABLE_AND_MEMBER]);
+    verify([source]);
+  }
+
+  void test_conflictingTypeVariableAndMember_setter() {
+    Source source = addSource(r'''
+class A<T> {
+  set T(x) {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.CONFLICTING_TYPE_VARIABLE_AND_MEMBER]);
+    verify([source]);
+  }
+
+  void test_consistentCaseExpressionTypes_dynamic() {
+    // Even though A.S and S have a static type of "dynamic", we should see
+    // that they match 'abc', because they are constant strings.
+    Source source = addSource(r'''
+class A {
+  static const S = 'A.S';
+}
+
+const S = 'S';
+
+foo(var p) {
+  switch (p) {
+    case S:
+      break;
+    case A.S:
+      break;
+    case 'abc':
+      break;
+  }
+}''');
+    computeLibrarySourceErrors(source);
+    assertNoErrors(source);
+    verify([source]);
+  }
+
+  void test_constConstructorWithFieldInitializedByNonConst() {
+    Source source = addSource(r'''
+class A {
+  final int i = f();
+  const A();
+}
+int f() {
+  return 3;
+}''');
+    computeLibrarySourceErrors(source);
+    // TODO(paulberry): the error CONST_INITIALIZED_WITH_NON_CONSTANT_VALUE is
+    // redundant and ought to be suppressed.
+    assertErrors(source, [
+      CompileTimeErrorCode.CONST_CONSTRUCTOR_WITH_FIELD_INITIALIZED_BY_NON_CONST,
+      CompileTimeErrorCode.CONST_INITIALIZED_WITH_NON_CONSTANT_VALUE
+    ]);
+    verify([source]);
+  }
+
+  void test_constConstructorWithFieldInitializedByNonConst_static() {
+    Source source = addSource(r'''
+class A {
+  static final int i = f();
+  const A();
+}
+int f() {
+  return 3;
+}''');
+    computeLibrarySourceErrors(source);
+    assertNoErrors(source);
+    verify([source]);
+  }
+
+  void test_constConstructorWithMixin() {
+    Source source = addSource(r'''
+class M {
+}
+class A extends Object with M {
+  const A();
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.CONST_CONSTRUCTOR_WITH_MIXIN]);
+    verify([source]);
+  }
+
+  void test_constConstructorWithNonConstSuper_explicit() {
+    Source source = addSource(r'''
+class A {
+  A();
+}
+class B extends A {
+  const B(): super();
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.CONST_CONSTRUCTOR_WITH_NON_CONST_SUPER]);
+    verify([source]);
+  }
+
+  void test_constConstructorWithNonConstSuper_implicit() {
+    Source source = addSource(r'''
+class A {
+  A();
+}
+class B extends A {
+  const B();
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.CONST_CONSTRUCTOR_WITH_NON_CONST_SUPER]);
+    verify([source]);
+  }
+
+  void test_constConstructorWithNonFinalField_mixin() {
+    Source source = addSource(r'''
+class A {
+  var a;
+}
+class B extends Object with A {
+  const B();
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.CONST_CONSTRUCTOR_WITH_MIXIN,
+      CompileTimeErrorCode.CONST_CONSTRUCTOR_WITH_NON_FINAL_FIELD
+    ]);
+    verify([source]);
+  }
+
+  void test_constConstructorWithNonFinalField_super() {
+    Source source = addSource(r'''
+class A {
+  var a;
+}
+class B extends A {
+  const B();
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.CONST_CONSTRUCTOR_WITH_NON_FINAL_FIELD,
+      CompileTimeErrorCode.CONST_CONSTRUCTOR_WITH_NON_CONST_SUPER
+    ]);
+    verify([source]);
+  }
+
+  void test_constConstructorWithNonFinalField_this() {
+    Source source = addSource(r'''
+class A {
+  int x;
+  const A();
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.CONST_CONSTRUCTOR_WITH_NON_FINAL_FIELD]);
+    verify([source]);
+  }
+
+  void test_constDeferredClass() {
+    resolveWithErrors(<String>[
+      r'''
+library lib1;
+class A {
+  const A();
+}''',
+      r'''
+library root;
+import 'lib1.dart' deferred as a;
+main() {
+  const a.A();
+}'''
+    ], <ErrorCode>[
+      CompileTimeErrorCode.CONST_DEFERRED_CLASS
+    ]);
+  }
+
+  void test_constDeferredClass_namedConstructor() {
+    resolveWithErrors(<String>[
+      r'''
+library lib1;
+class A {
+  const A.b();
+}''',
+      r'''
+library root;
+import 'lib1.dart' deferred as a;
+main() {
+  const a.A.b();
+}'''
+    ], <ErrorCode>[
+      CompileTimeErrorCode.CONST_DEFERRED_CLASS
+    ]);
+  }
+
+  void test_constEval_newInstance_constConstructor() {
+    Source source = addSource(r'''
+class A {
+  const A();
+}
+const a = new A();''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source,
+        [CompileTimeErrorCode.CONST_INITIALIZED_WITH_NON_CONSTANT_VALUE]);
+    verify([source]);
+  }
+
+  void test_constEval_newInstance_externalFactoryConstConstructor() {
+    // We can't evaluate "const A()" because its constructor is external.  But
+    // the code is correct--we shouldn't report an error.
+    Source source = addSource(r'''
+class A {
+  external factory const A();
+}
+const x = const A();''');
+    computeLibrarySourceErrors(source);
+    assertNoErrors(source);
+    verify([source]);
+  }
+
+  void test_constEval_propertyExtraction_targetNotConst() {
+    Source source = addSource(r'''
+class A {
+  const A();
+  m() {}
+}
+final a = const A();
+const C = a.m;''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source,
+        [CompileTimeErrorCode.CONST_INITIALIZED_WITH_NON_CONSTANT_VALUE]);
+    verify([source]);
+  }
+
+  void test_constEvalThrowsException_binaryMinus_null() {
+    _check_constEvalThrowsException_binary_null("null - 5", false);
+    _check_constEvalThrowsException_binary_null("5 - null", true);
+  }
+
+  void test_constEvalThrowsException_binaryPlus_null() {
+    _check_constEvalThrowsException_binary_null("null + 5", false);
+    _check_constEvalThrowsException_binary_null("5 + null", true);
+  }
+
+  void test_constEvalThrowsException_divisionByZero() {
+    Source source = addSource("const C = 1 ~/ 0;");
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.CONST_EVAL_THROWS_IDBZE]);
+    verify([source]);
+  }
+
+  void test_constEvalThrowsException_finalAlreadySet_initializer() {
+    // If a final variable has an initializer at the site of its declaration,
+    // and at the site of the constructor, then invoking that constructor would
+    // produce a runtime error; hence invoking that constructor via the "const"
+    // keyword results in a compile-time error.
+    Source source = addSource('''
+class C {
+  final x = 1;
+  const C() : x = 2;
+}
+var x = const C();
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION,
+      StaticWarningCode.FIELD_INITIALIZED_IN_INITIALIZER_AND_DECLARATION
+    ]);
+    verify([source]);
+  }
+
+  void test_constEvalThrowsException_finalAlreadySet_initializing_formal() {
+    // If a final variable has an initializer at the site of its declaration,
+    // and it is initialized using an initializing formal at the site of the
+    // constructor, then invoking that constructor would produce a runtime
+    // error; hence invoking that constructor via the "const" keyword results
+    // in a compile-time error.
+    Source source = addSource('''
+class C {
+  final x = 1;
+  const C(this.x);
+}
+var x = const C(2);
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION,
+      StaticWarningCode.FINAL_INITIALIZED_IN_DECLARATION_AND_CONSTRUCTOR
+    ]);
+    verify([source]);
+  }
+
+  void test_constEvalThrowsException_unaryBitNot_null() {
+    Source source = addSource("const C = ~null;");
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION]);
+    // no verify(), '~null' is not resolved
+  }
+
+  void test_constEvalThrowsException_unaryNegated_null() {
+    Source source = addSource("const C = -null;");
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION]);
+    // no verify(), '-null' is not resolved
+  }
+
+  void test_constEvalThrowsException_unaryNot_null() {
+    Source source = addSource("const C = !null;");
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION]);
+    verify([source]);
+  }
+
+  void test_constEvalTypeBool_binary() {
+    _check_constEvalTypeBool_withParameter_binary("p && ''");
+    _check_constEvalTypeBool_withParameter_binary("p || ''");
+  }
+
+  void test_constEvalTypeBool_binary_leftTrue() {
+    Source source = addSource("const C = (true || 0);");
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.CONST_EVAL_TYPE_BOOL,
+      StaticTypeWarningCode.NON_BOOL_OPERAND,
+      HintCode.DEAD_CODE
+    ]);
+    verify([source]);
+  }
+
+  void test_constEvalTypeBoolNumString_equal() {
+    Source source = addSource(r'''
+class A {
+  const A();
+}
+class B {
+  final a;
+  const B(num p) : a = p == const A();
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.CONST_EVAL_TYPE_BOOL_NUM_STRING]);
+    verify([source]);
+  }
+
+  void test_constEvalTypeBoolNumString_notEqual() {
+    Source source = addSource(r'''
+class A {
+  const A();
+}
+class B {
+  final a;
+  const B(String p) : a = p != const A();
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.CONST_EVAL_TYPE_BOOL_NUM_STRING]);
+    verify([source]);
+  }
+
+  void test_constEvalTypeInt_binary() {
+    _check_constEvalTypeInt_withParameter_binary("p ^ ''");
+    _check_constEvalTypeInt_withParameter_binary("p & ''");
+    _check_constEvalTypeInt_withParameter_binary("p | ''");
+    _check_constEvalTypeInt_withParameter_binary("p >> ''");
+    _check_constEvalTypeInt_withParameter_binary("p << ''");
+  }
+
+  void test_constEvalTypeNum_binary() {
+    _check_constEvalTypeNum_withParameter_binary("p + ''");
+    _check_constEvalTypeNum_withParameter_binary("p - ''");
+    _check_constEvalTypeNum_withParameter_binary("p * ''");
+    _check_constEvalTypeNum_withParameter_binary("p / ''");
+    _check_constEvalTypeNum_withParameter_binary("p ~/ ''");
+    _check_constEvalTypeNum_withParameter_binary("p > ''");
+    _check_constEvalTypeNum_withParameter_binary("p < ''");
+    _check_constEvalTypeNum_withParameter_binary("p >= ''");
+    _check_constEvalTypeNum_withParameter_binary("p <= ''");
+    _check_constEvalTypeNum_withParameter_binary("p % ''");
+  }
+
+  void test_constFormalParameter_fieldFormalParameter() {
+    Source source = addSource(r'''
+class A {
+  var x;
+  A(const this.x) {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.CONST_FORMAL_PARAMETER]);
+    verify([source]);
+  }
+
+  void test_constFormalParameter_simpleFormalParameter() {
+    Source source = addSource("f(const x) {}");
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.CONST_FORMAL_PARAMETER]);
+    verify([source]);
+  }
+
+  void test_constInitializedWithNonConstValue() {
+    Source source = addSource(r'''
+f(p) {
+  const C = p;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source,
+        [CompileTimeErrorCode.CONST_INITIALIZED_WITH_NON_CONSTANT_VALUE]);
+    verify([source]);
+  }
+
+  void test_constInitializedWithNonConstValue_missingConstInListLiteral() {
+    Source source = addSource("const List L = [0];");
+    computeLibrarySourceErrors(source);
+    assertErrors(source,
+        [CompileTimeErrorCode.CONST_INITIALIZED_WITH_NON_CONSTANT_VALUE]);
+    verify([source]);
+  }
+
+  void test_constInitializedWithNonConstValue_missingConstInMapLiteral() {
+    Source source = addSource("const Map M = {'a' : 0};");
+    computeLibrarySourceErrors(source);
+    assertErrors(source,
+        [CompileTimeErrorCode.CONST_INITIALIZED_WITH_NON_CONSTANT_VALUE]);
+    verify([source]);
+  }
+
+  void test_constInitializedWithNonConstValueFromDeferredClass() {
+    resolveWithErrors(<String>[
+      r'''
+library lib1;
+const V = 1;''',
+      r'''
+library root;
+import 'lib1.dart' deferred as a;
+const B = a.V;'''
+    ], <ErrorCode>[
+      CompileTimeErrorCode.CONST_INITIALIZED_WITH_NON_CONSTANT_VALUE_FROM_DEFERRED_LIBRARY
+    ]);
+  }
+
+  void test_constInitializedWithNonConstValueFromDeferredClass_nested() {
+    resolveWithErrors(<String>[
+      r'''
+library lib1;
+const V = 1;''',
+      r'''
+library root;
+import 'lib1.dart' deferred as a;
+const B = a.V + 1;'''
+    ], <ErrorCode>[
+      CompileTimeErrorCode.CONST_INITIALIZED_WITH_NON_CONSTANT_VALUE_FROM_DEFERRED_LIBRARY
+    ]);
+  }
+
+  void test_constInstanceField() {
+    Source source = addSource(r'''
+class C {
+  const int f = 0;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.CONST_INSTANCE_FIELD]);
+    verify([source]);
+  }
+
+  void test_constMapKeyTypeImplementsEquals_direct() {
+    Source source = addSource(r'''
+class A {
+  const A();
+  operator ==(other) => false;
+}
+main() {
+  const {const A() : 0};
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source,
+        [CompileTimeErrorCode.CONST_MAP_KEY_EXPRESSION_TYPE_IMPLEMENTS_EQUALS]);
+    verify([source]);
+  }
+
+  void test_constMapKeyTypeImplementsEquals_dynamic() {
+    // Note: static type of B.a is "dynamic", but actual type of the const
+    // object is A.  We need to make sure we examine the actual type when
+    // deciding whether there is a problem with operator==.
+    Source source = addSource(r'''
+class A {
+  const A();
+  operator ==(other) => false;
+}
+class B {
+  static const a = const A();
+}
+main() {
+  const {B.a : 0};
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source,
+        [CompileTimeErrorCode.CONST_MAP_KEY_EXPRESSION_TYPE_IMPLEMENTS_EQUALS]);
+    verify([source]);
+  }
+
+  void test_constMapKeyTypeImplementsEquals_factory() {
+    Source source = addSource(r'''
+class A { const factory A() = B; }
+
+class B implements A {
+  const B();
+
+  operator ==(o) => true;
+}
+
+main() {
+  var m = const { const A(): 42 };
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source,
+        [CompileTimeErrorCode.CONST_MAP_KEY_EXPRESSION_TYPE_IMPLEMENTS_EQUALS]);
+    verify([source]);
+  }
+
+  void test_constMapKeyTypeImplementsEquals_super() {
+    Source source = addSource(r'''
+class A {
+  const A();
+  operator ==(other) => false;
+}
+class B extends A {
+  const B();
+}
+main() {
+  const {const B() : 0};
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source,
+        [CompileTimeErrorCode.CONST_MAP_KEY_EXPRESSION_TYPE_IMPLEMENTS_EQUALS]);
+    verify([source]);
+  }
+
+  void test_constWithInvalidTypeParameters() {
+    Source source = addSource(r'''
+class A {
+  const A();
+}
+f() { return const A<A>(); }''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.CONST_WITH_INVALID_TYPE_PARAMETERS]);
+    verify([source]);
+  }
+
+  void test_constWithInvalidTypeParameters_tooFew() {
+    Source source = addSource(r'''
+class A {}
+class C<K, V> {
+  const C();
+}
+f(p) {
+  return const C<A>();
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.CONST_WITH_INVALID_TYPE_PARAMETERS]);
+    verify([source]);
+  }
+
+  void test_constWithInvalidTypeParameters_tooMany() {
+    Source source = addSource(r'''
+class A {}
+class C<E> {
+  const C();
+}
+f(p) {
+  return const C<A, A>();
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.CONST_WITH_INVALID_TYPE_PARAMETERS]);
+    verify([source]);
+  }
+
+  void test_constWithNonConst() {
+    Source source = addSource(r'''
+class T {
+  T(a, b, {c, d}) {}
+}
+f() { return const T(0, 1, c: 2, d: 3); }''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.CONST_WITH_NON_CONST]);
+    verify([source]);
+  }
+
+  void test_constWithNonConstantArgument_annotation() {
+    Source source = addSource(r'''
+class A {
+  const A(int p);
+}
+var v = 42;
+@A(v)
+main() {
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.CONST_WITH_NON_CONSTANT_ARGUMENT]);
+    verify([source]);
+  }
+
+  void test_constWithNonConstantArgument_instanceCreation() {
+    Source source = addSource(r'''
+class A {
+  const A(a);
+}
+f(p) { return const A(p); }''');
+    computeLibrarySourceErrors(source);
+    // TODO(paulberry): the error INVALID_CONSTAT is redundant and ought to be
+    // suppressed.
+    assertErrors(source, [
+      CompileTimeErrorCode.CONST_WITH_NON_CONSTANT_ARGUMENT,
+      CompileTimeErrorCode.INVALID_CONSTANT
+    ]);
+    verify([source]);
+  }
+
+  void test_constWithNonType() {
+    Source source = addSource(r'''
+int A;
+f() {
+  return const A();
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.CONST_WITH_NON_TYPE]);
+    verify([source]);
+  }
+
+  void test_constWithNonType_fromLibrary() {
+    Source source1 = addNamedSource("/lib.dart", "");
+    Source source2 = addNamedSource(
+        "/lib2.dart",
+        r'''
+import 'lib.dart' as lib;
+void f() {
+  const lib.A();
+}''');
+    computeLibrarySourceErrors(source1);
+    computeLibrarySourceErrors(source2);
+    assertErrors(source2, [CompileTimeErrorCode.CONST_WITH_NON_TYPE]);
+    verify([source1]);
+  }
+
+  void test_constWithTypeParameters_direct() {
+    Source source = addSource(r'''
+class A<T> {
+  static const V = const A<T>();
+  const A();
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.CONST_WITH_TYPE_PARAMETERS,
+      StaticWarningCode.TYPE_PARAMETER_REFERENCED_BY_STATIC
+    ]);
+    verify([source]);
+  }
+
+  void test_constWithTypeParameters_indirect() {
+    Source source = addSource(r'''
+class A<T> {
+  static const V = const A<List<T>>();
+  const A();
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.CONST_WITH_TYPE_PARAMETERS,
+      StaticWarningCode.TYPE_PARAMETER_REFERENCED_BY_STATIC
+    ]);
+    verify([source]);
+  }
+
+  void test_constWithUndefinedConstructor() {
+    Source source = addSource(r'''
+class A {
+  const A();
+}
+f() {
+  return const A.noSuchConstructor();
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.CONST_WITH_UNDEFINED_CONSTRUCTOR]);
+    // no verify(), 'noSuchConstructor' is not resolved
+  }
+
+  void test_constWithUndefinedConstructorDefault() {
+    Source source = addSource(r'''
+class A {
+  const A.name();
+}
+f() {
+  return const A();
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source,
+        [CompileTimeErrorCode.CONST_WITH_UNDEFINED_CONSTRUCTOR_DEFAULT]);
+    verify([source]);
+  }
+
+  void test_defaultValueInFunctionTypeAlias() {
+    Source source = addSource("typedef F([x = 0]);");
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.DEFAULT_VALUE_IN_FUNCTION_TYPE_ALIAS]);
+    verify([source]);
+  }
+
+  void test_defaultValueInFunctionTypedParameter_named() {
+    Source source = addSource("f(g({p: null})) {}");
+    computeLibrarySourceErrors(source);
+    assertErrors(source,
+        [CompileTimeErrorCode.DEFAULT_VALUE_IN_FUNCTION_TYPED_PARAMETER]);
+    verify([source]);
+  }
+
+  void test_defaultValueInFunctionTypedParameter_optional() {
+    Source source = addSource("f(g([p = null])) {}");
+    computeLibrarySourceErrors(source);
+    assertErrors(source,
+        [CompileTimeErrorCode.DEFAULT_VALUE_IN_FUNCTION_TYPED_PARAMETER]);
+    verify([source]);
+  }
+
+  void test_defaultValueInRedirectingFactoryConstructor() {
+    Source source = addSource(r'''
+class A {
+  factory A([int x = 0]) = B;
+}
+
+class B implements A {
+  B([int x = 1]) {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.DEFAULT_VALUE_IN_REDIRECTING_FACTORY_CONSTRUCTOR
+    ]);
+    verify([source]);
+  }
+
+  void test_duplicateConstructorName_named() {
+    Source source = addSource(r'''
+class A {
+  A.a() {}
+  A.a() {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.DUPLICATE_CONSTRUCTOR_NAME,
+      CompileTimeErrorCode.DUPLICATE_CONSTRUCTOR_NAME
+    ]);
+    verify([source]);
+  }
+
+  void test_duplicateConstructorName_unnamed() {
+    Source source = addSource(r'''
+class A {
+  A() {}
+  A() {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.DUPLICATE_CONSTRUCTOR_DEFAULT,
+      CompileTimeErrorCode.DUPLICATE_CONSTRUCTOR_DEFAULT
+    ]);
+    verify([source]);
+  }
+
+  void test_duplicateDefinition_acrossLibraries() {
+    Source librarySource = addNamedSource(
+        "/lib.dart",
+        r'''
+library lib;
+
+part 'a.dart';
+part 'b.dart';''');
+    Source sourceA = addNamedSource(
+        "/a.dart",
+        r'''
+part of lib;
+
+class A {}''');
+    Source sourceB = addNamedSource(
+        "/b.dart",
+        r'''
+part of lib;
+
+class A {}''');
+    computeLibrarySourceErrors(librarySource);
+    assertErrors(sourceB, [CompileTimeErrorCode.DUPLICATE_DEFINITION]);
+    verify([librarySource, sourceA, sourceB]);
+  }
+
+  void test_duplicateDefinition_catch() {
+    Source source = addSource(r'''
+main() {
+  try {} catch (e, e) {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.DUPLICATE_DEFINITION]);
+    verify([source]);
+  }
+
+  void test_duplicateDefinition_classMembers_fields() {
+    Source source = addSource(r'''
+class A {
+  int a;
+  int a;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.DUPLICATE_DEFINITION]);
+    verify([source]);
+  }
+
+  void test_duplicateDefinition_classMembers_fields_oneStatic() {
+    Source source = addSource(r'''
+class A {
+  int x;
+  static int x;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.DUPLICATE_DEFINITION]);
+    verify([source]);
+  }
+
+  void test_duplicateDefinition_classMembers_methods() {
+    Source source = addSource(r'''
+class A {
+  m() {}
+  m() {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.DUPLICATE_DEFINITION]);
+    verify([source]);
+  }
+
+  void test_duplicateDefinition_locals_inCase() {
+    Source source = addSource(r'''
+main() {
+  switch(1) {
+    case 1:
+      var a;
+      var a;
+  }
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.DUPLICATE_DEFINITION]);
+    verify([source]);
+  }
+
+  void test_duplicateDefinition_locals_inFunctionBlock() {
+    Source source = addSource(r'''
+main() {
+  int m = 0;
+  m(a) {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.DUPLICATE_DEFINITION]);
+    verify([source]);
+  }
+
+  void test_duplicateDefinition_locals_inIf() {
+    Source source = addSource(r'''
+main(int p) {
+  if (p != 0) {
+    var a;
+    var a;
+  }
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.DUPLICATE_DEFINITION]);
+    verify([source]);
+  }
+
+  void test_duplicateDefinition_locals_inMethodBlock() {
+    Source source = addSource(r'''
+class A {
+  m() {
+    int a;
+    int a;
+  }
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.DUPLICATE_DEFINITION]);
+    verify([source]);
+  }
+
+  void test_duplicateDefinition_parameters_inFunctionTypeAlias() {
+    Source source = addSource(r'''
+typedef F(int a, double a);
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.DUPLICATE_DEFINITION]);
+    verify([source]);
+  }
+
+  void test_duplicateDefinition_parameters_inLocalFunction() {
+    Source source = addSource(r'''
+main() {
+  f(int a, double a) {
+  };
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.DUPLICATE_DEFINITION]);
+    verify([source]);
+  }
+
+  void test_duplicateDefinition_parameters_inMethod() {
+    Source source = addSource(r'''
+class A {
+  m(int a, double a) {
+  }
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.DUPLICATE_DEFINITION]);
+    verify([source]);
+  }
+
+  void test_duplicateDefinition_parameters_inTopLevelFunction() {
+    Source source = addSource(r'''
+f(int a, double a) {
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.DUPLICATE_DEFINITION]);
+    verify([source]);
+  }
+
+  void test_duplicateDefinition_typeParameters() {
+    Source source = addSource(r'''
+class A<T, T> {
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.DUPLICATE_DEFINITION]);
+    verify([source]);
+  }
+
+  void test_duplicateDefinitionInheritance_instanceGetter_staticGetter() {
+    Source source = addSource(r'''
+class A {
+  int get x => 0;
+}
+class B extends A {
+  static int get x => 0;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.DUPLICATE_DEFINITION_INHERITANCE]);
+    verify([source]);
+  }
+
+  void test_duplicateDefinitionInheritance_instanceGetterAbstract_staticGetter() {
+    Source source = addSource(r'''
+abstract class A {
+  int get x;
+}
+class B extends A {
+  static int get x => 0;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.DUPLICATE_DEFINITION_INHERITANCE]);
+    verify([source]);
+  }
+
+  void test_duplicateDefinitionInheritance_instanceMethod_staticMethod() {
+    Source source = addSource(r'''
+class A {
+  x() {}
+}
+class B extends A {
+  static x() {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.DUPLICATE_DEFINITION_INHERITANCE]);
+    verify([source]);
+  }
+
+  void test_duplicateDefinitionInheritance_instanceMethodAbstract_staticMethod() {
+    Source source = addSource(r'''
+abstract class A {
+  x();
+}
+abstract class B extends A {
+  static x() {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.DUPLICATE_DEFINITION_INHERITANCE]);
+    verify([source]);
+  }
+
+  void test_duplicateDefinitionInheritance_instanceSetter_staticSetter() {
+    Source source = addSource(r'''
+class A {
+  set x(value) {}
+}
+class B extends A {
+  static set x(value) {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.DUPLICATE_DEFINITION_INHERITANCE]);
+    verify([source]);
+  }
+
+  void test_duplicateDefinitionInheritance_instanceSetterAbstract_staticSetter() {
+    Source source = addSource(r'''
+abstract class A {
+  set x(value);
+}
+class B extends A {
+  static set x(value) {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.DUPLICATE_DEFINITION_INHERITANCE]);
+    verify([source]);
+  }
+
+  void test_duplicateNamedArgument() {
+    Source source = addSource(r'''
+f({a, b}) {}
+main() {
+  f(a: 1, a: 2);
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.DUPLICATE_NAMED_ARGUMENT]);
+    verify([source]);
+  }
+
+  void test_exportInternalLibrary() {
+    Source source = addSource("export 'dart:_interceptors';");
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.EXPORT_INTERNAL_LIBRARY]);
+    verify([source]);
+  }
+
+  void test_exportOfNonLibrary() {
+    Source source = addSource(r'''
+library L;
+export 'lib1.dart';''');
+    addNamedSource("/lib1.dart", "part of lib;");
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.EXPORT_OF_NON_LIBRARY]);
+    verify([source]);
+  }
+
+  void test_extendsDeferredClass() {
+    resolveWithErrors(<String>[
+      r'''
+library lib1;
+class A {}''',
+      r'''
+library root;
+import 'lib1.dart' deferred as a;
+class B extends a.A {}'''
+    ], <ErrorCode>[
+      CompileTimeErrorCode.EXTENDS_DEFERRED_CLASS
+    ]);
+  }
+
+  void test_extendsDeferredClass_classTypeAlias() {
+    resolveWithErrors(<String>[
+      r'''
+library lib1;
+class A {}''',
+      r'''
+library root;
+import 'lib1.dart' deferred as a;
+class M {}
+class C = a.A with M;'''
+    ], <ErrorCode>[
+      CompileTimeErrorCode.EXTENDS_DEFERRED_CLASS
+    ]);
+  }
+
+  void test_extendsDisallowedClass_class_bool() {
+    Source source = addSource("class A extends bool {}");
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.EXTENDS_DISALLOWED_CLASS,
+      CompileTimeErrorCode.NO_DEFAULT_SUPER_CONSTRUCTOR_IMPLICIT
+    ]);
+    verify([source]);
+  }
+
+  void test_extendsDisallowedClass_class_double() {
+    Source source = addSource("class A extends double {}");
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.EXTENDS_DISALLOWED_CLASS,
+      CompileTimeErrorCode.NO_DEFAULT_SUPER_CONSTRUCTOR_IMPLICIT
+    ]);
+    verify([source]);
+  }
+
+  void test_extendsDisallowedClass_class_int() {
+    Source source = addSource("class A extends int {}");
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.EXTENDS_DISALLOWED_CLASS,
+      CompileTimeErrorCode.NO_DEFAULT_SUPER_CONSTRUCTOR_IMPLICIT
+    ]);
+    verify([source]);
+  }
+
+  void test_extendsDisallowedClass_class_Null() {
+    Source source = addSource("class A extends Null {}");
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.EXTENDS_DISALLOWED_CLASS,
+      CompileTimeErrorCode.NO_DEFAULT_SUPER_CONSTRUCTOR_IMPLICIT
+    ]);
+    verify([source]);
+  }
+
+  void test_extendsDisallowedClass_class_num() {
+    Source source = addSource("class A extends num {}");
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.EXTENDS_DISALLOWED_CLASS,
+      CompileTimeErrorCode.NO_DEFAULT_SUPER_CONSTRUCTOR_IMPLICIT
+    ]);
+    verify([source]);
+  }
+
+  void test_extendsDisallowedClass_class_String() {
+    Source source = addSource("class A extends String {}");
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.EXTENDS_DISALLOWED_CLASS,
+      CompileTimeErrorCode.NO_DEFAULT_SUPER_CONSTRUCTOR_IMPLICIT
+    ]);
+    verify([source]);
+  }
+
+  void test_extendsDisallowedClass_classTypeAlias_bool() {
+    Source source = addSource(r'''
+class M {}
+class C = bool with M;''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.EXTENDS_DISALLOWED_CLASS]);
+    verify([source]);
+  }
+
+  void test_extendsDisallowedClass_classTypeAlias_double() {
+    Source source = addSource(r'''
+class M {}
+class C = double with M;''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.EXTENDS_DISALLOWED_CLASS]);
+    verify([source]);
+  }
+
+  void test_extendsDisallowedClass_classTypeAlias_int() {
+    Source source = addSource(r'''
+class M {}
+class C = int with M;''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.EXTENDS_DISALLOWED_CLASS]);
+    verify([source]);
+  }
+
+  void test_extendsDisallowedClass_classTypeAlias_Null() {
+    Source source = addSource(r'''
+class M {}
+class C = Null with M;''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.EXTENDS_DISALLOWED_CLASS]);
+    verify([source]);
+  }
+
+  void test_extendsDisallowedClass_classTypeAlias_num() {
+    Source source = addSource(r'''
+class M {}
+class C = num with M;''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.EXTENDS_DISALLOWED_CLASS]);
+    verify([source]);
+  }
+
+  void test_extendsDisallowedClass_classTypeAlias_String() {
+    Source source = addSource(r'''
+class M {}
+class C = String with M;''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.EXTENDS_DISALLOWED_CLASS]);
+    verify([source]);
+  }
+
+  void test_extendsEnum() {
+    Source source = addSource(r'''
+enum E { ONE }
+class A extends E {}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.EXTENDS_ENUM]);
+    verify([source]);
+  }
+
+  void test_extendsNonClass_class() {
+    Source source = addSource(r'''
+int A;
+class B extends A {}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.EXTENDS_NON_CLASS]);
+    verify([source]);
+  }
+
+  void test_extendsNonClass_dynamic() {
+    Source source = addSource("class B extends dynamic {}");
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.EXTENDS_NON_CLASS]);
+    verify([source]);
+  }
+
+  void test_extraPositionalArguments_const() {
+    Source source = addSource(r'''
+class A {
+  const A();
+}
+main() {
+  const A(0);
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.EXTRA_POSITIONAL_ARGUMENTS]);
+    verify([source]);
+  }
+
+  void test_extraPositionalArguments_const_super() {
+    Source source = addSource(r'''
+class A {
+  const A();
+}
+class B extends A {
+  const B() : super(0);
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.EXTRA_POSITIONAL_ARGUMENTS]);
+    verify([source]);
+  }
+
+  void test_fieldInitializedByMultipleInitializers() {
+    Source source = addSource(r'''
+class A {
+  int x;
+  A() : x = 0, x = 1 {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source,
+        [CompileTimeErrorCode.FIELD_INITIALIZED_BY_MULTIPLE_INITIALIZERS]);
+    verify([source]);
+  }
+
+  void test_fieldInitializedByMultipleInitializers_multipleInits() {
+    Source source = addSource(r'''
+class A {
+  int x;
+  A() : x = 0, x = 1, x = 2 {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.FIELD_INITIALIZED_BY_MULTIPLE_INITIALIZERS,
+      CompileTimeErrorCode.FIELD_INITIALIZED_BY_MULTIPLE_INITIALIZERS
+    ]);
+    verify([source]);
+  }
+
+  void test_fieldInitializedByMultipleInitializers_multipleNames() {
+    Source source = addSource(r'''
+class A {
+  int x;
+  int y;
+  A() : x = 0, x = 1, y = 0, y = 1 {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.FIELD_INITIALIZED_BY_MULTIPLE_INITIALIZERS,
+      CompileTimeErrorCode.FIELD_INITIALIZED_BY_MULTIPLE_INITIALIZERS
+    ]);
+    verify([source]);
+  }
+
+  void test_fieldInitializedInParameterAndInitializer() {
+    Source source = addSource(r'''
+class A {
+  int x;
+  A(this.x) : x = 1 {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source,
+        [CompileTimeErrorCode.FIELD_INITIALIZED_IN_PARAMETER_AND_INITIALIZER]);
+    verify([source]);
+  }
+
+  void test_fieldInitializerFactoryConstructor() {
+    Source source = addSource(r'''
+class A {
+  int x;
+  factory A(this.x) {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.FIELD_INITIALIZER_FACTORY_CONSTRUCTOR]);
+    verify([source]);
+  }
+
+  void test_fieldInitializerOutsideConstructor() {
+    // TODO(brianwilkerson) Fix the duplicate error messages.
+    Source source = addSource(r'''
+class A {
+  int x;
+  m(this.x) {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      ParserErrorCode.FIELD_INITIALIZER_OUTSIDE_CONSTRUCTOR,
+      CompileTimeErrorCode.FIELD_INITIALIZER_OUTSIDE_CONSTRUCTOR
+    ]);
+    verify([source]);
+  }
+
+  void test_fieldInitializerOutsideConstructor_defaultParameter() {
+    Source source = addSource(r'''
+class A {
+  int x;
+  m([this.x]) {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.FIELD_INITIALIZER_OUTSIDE_CONSTRUCTOR]);
+    verify([source]);
+  }
+
+  void test_fieldInitializerRedirectingConstructor_afterRedirection() {
+    Source source = addSource(r'''
+class A {
+  int x;
+  A.named() {}
+  A() : this.named(), x = 42;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source,
+        [CompileTimeErrorCode.FIELD_INITIALIZER_REDIRECTING_CONSTRUCTOR]);
+    verify([source]);
+  }
+
+  void test_fieldInitializerRedirectingConstructor_beforeRedirection() {
+    Source source = addSource(r'''
+class A {
+  int x;
+  A.named() {}
+  A() : x = 42, this.named();
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source,
+        [CompileTimeErrorCode.FIELD_INITIALIZER_REDIRECTING_CONSTRUCTOR]);
+    verify([source]);
+  }
+
+  void test_fieldInitializingFormalRedirectingConstructor() {
+    Source source = addSource(r'''
+class A {
+  int x;
+  A.named() {}
+  A(this.x) : this.named();
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source,
+        [CompileTimeErrorCode.FIELD_INITIALIZER_REDIRECTING_CONSTRUCTOR]);
+    verify([source]);
+  }
+
+  void test_finalInitializedMultipleTimes_initializers() {
+    Source source = addSource(r'''
+class A {
+  final x;
+  A() : x = 0, x = 0 {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source,
+        [CompileTimeErrorCode.FIELD_INITIALIZED_BY_MULTIPLE_INITIALIZERS]);
+    verify([source]);
+  }
+
+  /**
+   * This test doesn't test the FINAL_INITIALIZED_MULTIPLE_TIMES code, but tests the
+   * FIELD_INITIALIZED_IN_PARAMETER_AND_INITIALIZER code instead. It is provided here to show
+   * coverage over all of the permutations of initializers in constructor declarations.
+   *
+   * Note: FIELD_INITIALIZED_IN_PARAMETER_AND_INITIALIZER covers a subset of
+   * FINAL_INITIALIZED_MULTIPLE_TIMES, since it more specific, we use it instead of the broader code
+   */
+  void test_finalInitializedMultipleTimes_initializingFormal_initializer() {
+    Source source = addSource(r'''
+class A {
+  final x;
+  A(this.x) : x = 0 {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source,
+        [CompileTimeErrorCode.FIELD_INITIALIZED_IN_PARAMETER_AND_INITIALIZER]);
+    verify([source]);
+  }
+
+  void test_finalInitializedMultipleTimes_initializingFormals() {
+    Source source = addSource(r'''
+class A {
+  final x;
+  A(this.x, this.x) {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.FINAL_INITIALIZED_MULTIPLE_TIMES]);
+    verify([source]);
+  }
+
+  void test_finalNotInitialized_instanceField_const_static() {
+    Source source = addSource(r'''
+class A {
+  static const F;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.CONST_NOT_INITIALIZED]);
+    verify([source]);
+  }
+
+  void test_finalNotInitialized_library_const() {
+    Source source = addSource("const F;");
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.CONST_NOT_INITIALIZED]);
+    verify([source]);
+  }
+
+  void test_finalNotInitialized_local_const() {
+    Source source = addSource(r'''
+f() {
+  const int x;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.CONST_NOT_INITIALIZED]);
+    verify([source]);
+  }
+
+  void test_fromEnvironment_bool_badArgs() {
+    Source source = addSource(r'''
+var b1 = const bool.fromEnvironment(1);
+var b2 = const bool.fromEnvironment('x', defaultValue: 1);''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION,
+      StaticWarningCode.ARGUMENT_TYPE_NOT_ASSIGNABLE,
+      CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION,
+      StaticWarningCode.ARGUMENT_TYPE_NOT_ASSIGNABLE
+    ]);
+    verify([source]);
+  }
+
+  void test_fromEnvironment_bool_badDefault_whenDefined() {
+    // The type of the defaultValue needs to be correct even when the default
+    // value isn't used (because the variable is defined in the environment).
+    analysisContext2.declaredVariables.define("x", "true");
+    Source source =
+        addSource("var b = const bool.fromEnvironment('x', defaultValue: 1);");
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION,
+      StaticWarningCode.ARGUMENT_TYPE_NOT_ASSIGNABLE
+    ]);
+    verify([source]);
+  }
+
+  void test_getterAndMethodWithSameName() {
+    Source source = addSource(r'''
+class A {
+  x(y) {}
+  get x => 0;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.GETTER_AND_METHOD_WITH_SAME_NAME]);
+    verify([source]);
+  }
+
+  void test_implementsDeferredClass() {
+    resolveWithErrors(<String>[
+      r'''
+library lib1;
+class A {}''',
+      r'''
+library root;
+import 'lib1.dart' deferred as a;
+class B implements a.A {}'''
+    ], <ErrorCode>[
+      CompileTimeErrorCode.IMPLEMENTS_DEFERRED_CLASS
+    ]);
+  }
+
+  void test_implementsDeferredClass_classTypeAlias() {
+    resolveWithErrors(<String>[
+      r'''
+library lib1;
+class A {}''',
+      r'''
+library root;
+import 'lib1.dart' deferred as a;
+class B {}
+class M {}
+class C = B with M implements a.A;'''
+    ], <ErrorCode>[
+      CompileTimeErrorCode.IMPLEMENTS_DEFERRED_CLASS
+    ]);
+  }
+
+  void test_implementsDisallowedClass_class_bool() {
+    Source source = addSource("class A implements bool {}");
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.IMPLEMENTS_DISALLOWED_CLASS]);
+    verify([source]);
+  }
+
+  void test_implementsDisallowedClass_class_double() {
+    Source source = addSource("class A implements double {}");
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.IMPLEMENTS_DISALLOWED_CLASS]);
+    verify([source]);
+  }
+
+  void test_implementsDisallowedClass_class_int() {
+    Source source = addSource("class A implements int {}");
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.IMPLEMENTS_DISALLOWED_CLASS]);
+    verify([source]);
+  }
+
+  void test_implementsDisallowedClass_class_Null() {
+    Source source = addSource("class A implements Null {}");
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.IMPLEMENTS_DISALLOWED_CLASS]);
+    verify([source]);
+  }
+
+  void test_implementsDisallowedClass_class_num() {
+    Source source = addSource("class A implements num {}");
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.IMPLEMENTS_DISALLOWED_CLASS]);
+    verify([source]);
+  }
+
+  void test_implementsDisallowedClass_class_String() {
+    Source source = addSource("class A implements String {}");
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.IMPLEMENTS_DISALLOWED_CLASS]);
+    verify([source]);
+  }
+
+  void test_implementsDisallowedClass_class_String_num() {
+    Source source = addSource("class A implements String, num {}");
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.IMPLEMENTS_DISALLOWED_CLASS,
+      CompileTimeErrorCode.IMPLEMENTS_DISALLOWED_CLASS
+    ]);
+    verify([source]);
+  }
+
+  void test_implementsDisallowedClass_classTypeAlias_bool() {
+    Source source = addSource(r'''
+class A {}
+class M {}
+class C = A with M implements bool;''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.IMPLEMENTS_DISALLOWED_CLASS]);
+    verify([source]);
+  }
+
+  void test_implementsDisallowedClass_classTypeAlias_double() {
+    Source source = addSource(r'''
+class A {}
+class M {}
+class C = A with M implements double;''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.IMPLEMENTS_DISALLOWED_CLASS]);
+    verify([source]);
+  }
+
+  void test_implementsDisallowedClass_classTypeAlias_int() {
+    Source source = addSource(r'''
+class A {}
+class M {}
+class C = A with M implements int;''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.IMPLEMENTS_DISALLOWED_CLASS]);
+    verify([source]);
+  }
+
+  void test_implementsDisallowedClass_classTypeAlias_Null() {
+    Source source = addSource(r'''
+class A {}
+class M {}
+class C = A with M implements Null;''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.IMPLEMENTS_DISALLOWED_CLASS]);
+    verify([source]);
+  }
+
+  void test_implementsDisallowedClass_classTypeAlias_num() {
+    Source source = addSource(r'''
+class A {}
+class M {}
+class C = A with M implements num;''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.IMPLEMENTS_DISALLOWED_CLASS]);
+    verify([source]);
+  }
+
+  void test_implementsDisallowedClass_classTypeAlias_String() {
+    Source source = addSource(r'''
+class A {}
+class M {}
+class C = A with M implements String;''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.IMPLEMENTS_DISALLOWED_CLASS]);
+    verify([source]);
+  }
+
+  void test_implementsDisallowedClass_classTypeAlias_String_num() {
+    Source source = addSource(r'''
+class A {}
+class M {}
+class C = A with M implements String, num;''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.IMPLEMENTS_DISALLOWED_CLASS,
+      CompileTimeErrorCode.IMPLEMENTS_DISALLOWED_CLASS
+    ]);
+    verify([source]);
+  }
+
+  void test_implementsDynamic() {
+    Source source = addSource("class A implements dynamic {}");
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.IMPLEMENTS_DYNAMIC]);
+    verify([source]);
+  }
+
+  void test_implementsEnum() {
+    Source source = addSource(r'''
+enum E { ONE }
+class A implements E {}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.IMPLEMENTS_ENUM]);
+    verify([source]);
+  }
+
+  void test_implementsNonClass_class() {
+    Source source = addSource(r'''
+int A;
+class B implements A {}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.IMPLEMENTS_NON_CLASS]);
+    verify([source]);
+  }
+
+  void test_implementsNonClass_typeAlias() {
+    Source source = addSource(r'''
+class A {}
+class M {}
+int B;
+class C = A with M implements B;''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.IMPLEMENTS_NON_CLASS]);
+    verify([source]);
+  }
+
+  void test_implementsRepeated() {
+    Source source = addSource(r'''
+class A {}
+class B implements A, A {}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.IMPLEMENTS_REPEATED]);
+    verify([source]);
+  }
+
+  void test_implementsRepeated_3times() {
+    Source source = addSource(r'''
+class A {} class C{}
+class B implements A, A, A, A {}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.IMPLEMENTS_REPEATED,
+      CompileTimeErrorCode.IMPLEMENTS_REPEATED,
+      CompileTimeErrorCode.IMPLEMENTS_REPEATED
+    ]);
+    verify([source]);
+  }
+
+  void test_implementsSuperClass() {
+    Source source = addSource(r'''
+class A {}
+class B extends A implements A {}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.IMPLEMENTS_SUPER_CLASS]);
+    verify([source]);
+  }
+
+  void test_implementsSuperClass_Object() {
+    Source source = addSource("class A implements Object {}");
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.IMPLEMENTS_SUPER_CLASS]);
+    verify([source]);
+  }
+
+  void test_implicitThisReferenceInInitializer_field() {
+    Source source = addSource(r'''
+class A {
+  var v;
+  A() : v = f;
+  var f;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.IMPLICIT_THIS_REFERENCE_IN_INITIALIZER]);
+    verify([source]);
+  }
+
+  void test_implicitThisReferenceInInitializer_field2() {
+    Source source = addSource(r'''
+class A {
+  final x = 0;
+  final y = x;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.IMPLICIT_THIS_REFERENCE_IN_INITIALIZER]);
+    verify([source]);
+  }
+
+  void test_implicitThisReferenceInInitializer_invocation() {
+    Source source = addSource(r'''
+class A {
+  var v;
+  A() : v = f();
+  f() {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.IMPLICIT_THIS_REFERENCE_IN_INITIALIZER]);
+    verify([source]);
+  }
+
+  void test_implicitThisReferenceInInitializer_invocationInStatic() {
+    Source source = addSource(r'''
+class A {
+  static var F = m();
+  m() {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.IMPLICIT_THIS_REFERENCE_IN_INITIALIZER]);
+    verify([source]);
+  }
+
+  void test_implicitThisReferenceInInitializer_redirectingConstructorInvocation() {
+    Source source = addSource(r'''
+class A {
+  A(p) {}
+  A.named() : this(f);
+  var f;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.IMPLICIT_THIS_REFERENCE_IN_INITIALIZER]);
+    verify([source]);
+  }
+
+  void test_implicitThisReferenceInInitializer_superConstructorInvocation() {
+    Source source = addSource(r'''
+class A {
+  A(p) {}
+}
+class B extends A {
+  B() : super(f);
+  var f;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.IMPLICIT_THIS_REFERENCE_IN_INITIALIZER]);
+    verify([source]);
+  }
+
+  void test_importInternalLibrary() {
+    Source source = addSource("import 'dart:_interceptors';");
+    computeLibrarySourceErrors(source);
+    // Note, in these error cases we may generate an UNUSED_IMPORT hint, while
+    // we could prevent the hint from being generated by testing the import
+    // directive for the error, this is such a minor corner case that we don't
+    // think we should add the additional computation time to figure out such
+    // cases.
+    assertErrors(source,
+        [CompileTimeErrorCode.IMPORT_INTERNAL_LIBRARY, HintCode.UNUSED_IMPORT]);
+    verify([source]);
+  }
+
+  void test_importInternalLibrary_js_helper() {
+    Source source = addSource("import 'dart:_js_helper';");
+    computeLibrarySourceErrors(source);
+    // Note, in these error cases we may generate an UNUSED_IMPORT hint, while
+    // we could prevent the hint from being generated by testing the import
+    // directive for the error, this is such a minor corner case that we don't
+    // think we should add the additional computation time to figure out such
+    // cases.
+    assertErrors(source,
+        [CompileTimeErrorCode.IMPORT_INTERNAL_LIBRARY, HintCode.UNUSED_IMPORT]);
+    verify([source]);
+  }
+
+  void test_importOfNonLibrary() {
+    Source source = addSource(r'''
+library lib;
+import 'part.dart';
+A a;''');
+    addNamedSource(
+        "/part.dart",
+        r'''
+part of lib;
+class A{}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.IMPORT_OF_NON_LIBRARY]);
+    verify([source]);
+  }
+
+  void test_inconsistentCaseExpressionTypes() {
+    Source source = addSource(r'''
+f(var p) {
+  switch (p) {
+    case 1:
+      break;
+    case 'a':
+      break;
+  }
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.INCONSISTENT_CASE_EXPRESSION_TYPES]);
+    verify([source]);
+  }
+
+  void test_inconsistentCaseExpressionTypes_dynamic() {
+    // Even though A.S and S have a static type of "dynamic", we should see
+    // that they fail to match 3, because they are constant strings.
+    Source source = addSource(r'''
+class A {
+  static const S = 'A.S';
+}
+
+const S = 'S';
+
+foo(var p) {
+  switch (p) {
+    case 3:
+      break;
+    case S:
+      break;
+    case A.S:
+      break;
+  }
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.INCONSISTENT_CASE_EXPRESSION_TYPES,
+      CompileTimeErrorCode.INCONSISTENT_CASE_EXPRESSION_TYPES
+    ]);
+    verify([source]);
+  }
+
+  void test_inconsistentCaseExpressionTypes_repeated() {
+    Source source = addSource(r'''
+f(var p) {
+  switch (p) {
+    case 1:
+      break;
+    case 'a':
+      break;
+    case 'b':
+      break;
+  }
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.INCONSISTENT_CASE_EXPRESSION_TYPES,
+      CompileTimeErrorCode.INCONSISTENT_CASE_EXPRESSION_TYPES
+    ]);
+    verify([source]);
+  }
+
+  void test_initializerForNonExistent_const() {
+    // Check that the absence of a matching field doesn't cause a
+    // crash during constant evaluation.
+    Source source = addSource(r'''
+class A {
+  const A() : x = 'foo';
+}
+A a = const A();''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.INITIALIZER_FOR_NON_EXISTENT_FIELD]);
+  }
+
+  void test_initializerForNonExistent_initializer() {
+    Source source = addSource(r'''
+class A {
+  A() : x = 0 {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.INITIALIZER_FOR_NON_EXISTENT_FIELD]);
+  }
+
+  void test_initializerForStaticField() {
+    Source source = addSource(r'''
+class A {
+  static int x;
+  A() : x = 0 {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.INITIALIZER_FOR_STATIC_FIELD]);
+    verify([source]);
+  }
+
+  void test_initializingFormalForNonExistentField() {
+    Source source = addSource(r'''
+class A {
+  A(this.x) {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source,
+        [CompileTimeErrorCode.INITIALIZING_FORMAL_FOR_NON_EXISTENT_FIELD]);
+    verify([source]);
+  }
+
+  void test_initializingFormalForNonExistentField_notInEnclosingClass() {
+    Source source = addSource(r'''
+class A {
+int x;
+}
+class B extends A {
+  B(this.x) {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source,
+        [CompileTimeErrorCode.INITIALIZING_FORMAL_FOR_NON_EXISTENT_FIELD]);
+    verify([source]);
+  }
+
+  void test_initializingFormalForNonExistentField_optional() {
+    Source source = addSource(r'''
+class A {
+  A([this.x]) {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source,
+        [CompileTimeErrorCode.INITIALIZING_FORMAL_FOR_NON_EXISTENT_FIELD]);
+    verify([source]);
+  }
+
+  void test_initializingFormalForNonExistentField_synthetic() {
+    Source source = addSource(r'''
+class A {
+  int get x => 1;
+  A(this.x) {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source,
+        [CompileTimeErrorCode.INITIALIZING_FORMAL_FOR_NON_EXISTENT_FIELD]);
+    verify([source]);
+  }
+
+  void test_initializingFormalForStaticField() {
+    Source source = addSource(r'''
+class A {
+  static int x;
+  A([this.x]) {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.INITIALIZING_FORMAL_FOR_STATIC_FIELD]);
+    verify([source]);
+  }
+
+  void test_instanceMemberAccessFromFactory_named() {
+    Source source = addSource(r'''
+class A {
+  m() {}
+  A();
+  factory A.make() {
+    m();
+    return new A();
+  }
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.INSTANCE_MEMBER_ACCESS_FROM_FACTORY]);
+    verify([source]);
+  }
+
+  void test_instanceMemberAccessFromFactory_unnamed() {
+    Source source = addSource(r'''
+class A {
+  m() {}
+  A._();
+  factory A() {
+    m();
+    return new A._();
+  }
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.INSTANCE_MEMBER_ACCESS_FROM_FACTORY]);
+    verify([source]);
+  }
+
+  void test_instanceMemberAccessFromStatic_field() {
+    Source source = addSource(r'''
+class A {
+  int f;
+  static foo() {
+    f;
+  }
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.INSTANCE_MEMBER_ACCESS_FROM_STATIC]);
+    verify([source]);
+  }
+
+  void test_instanceMemberAccessFromStatic_getter() {
+    Source source = addSource(r'''
+class A {
+  get g => null;
+  static foo() {
+    g;
+  }
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.INSTANCE_MEMBER_ACCESS_FROM_STATIC]);
+    verify([source]);
+  }
+
+  void test_instanceMemberAccessFromStatic_method() {
+    Source source = addSource(r'''
+class A {
+  m() {}
+  static foo() {
+    m();
+  }
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.INSTANCE_MEMBER_ACCESS_FROM_STATIC]);
+    verify([source]);
+  }
+
+  void test_instantiateEnum_const() {
+    Source source = addSource(r'''
+enum E { ONE }
+E e(String name) {
+  return const E();
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.INSTANTIATE_ENUM]);
+    verify([source]);
+  }
+
+  void test_instantiateEnum_new() {
+    Source source = addSource(r'''
+enum E { ONE }
+E e(String name) {
+  return new E();
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.INSTANTIATE_ENUM]);
+    verify([source]);
+  }
+
+  void test_invalidAnnotation_getter() {
+    Source source = addSource(r'''
+get V => 0;
+@V
+main() {
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.INVALID_ANNOTATION]);
+    verify([source]);
+  }
+
+  void test_invalidAnnotation_importWithPrefix_getter() {
+    addNamedSource(
+        "/lib.dart",
+        r'''
+library lib;
+get V => 0;''');
+    Source source = addSource(r'''
+import 'lib.dart' as p;
+@p.V
+main() {
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.INVALID_ANNOTATION]);
+    verify([source]);
+  }
+
+  void test_invalidAnnotation_importWithPrefix_notConstantVariable() {
+    addNamedSource(
+        "/lib.dart",
+        r'''
+library lib;
+final V = 0;''');
+    Source source = addSource(r'''
+import 'lib.dart' as p;
+@p.V
+main() {
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.INVALID_ANNOTATION]);
+    verify([source]);
+  }
+
+  void test_invalidAnnotation_importWithPrefix_notVariableOrConstructorInvocation() {
+    addNamedSource(
+        "/lib.dart",
+        r'''
+library lib;
+typedef V();''');
+    Source source = addSource(r'''
+import 'lib.dart' as p;
+@p.V
+main() {
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.INVALID_ANNOTATION]);
+    verify([source]);
+  }
+
+  void test_invalidAnnotation_notConstantVariable() {
+    Source source = addSource(r'''
+final V = 0;
+@V
+main() {
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.INVALID_ANNOTATION]);
+    verify([source]);
+  }
+
+  void test_invalidAnnotation_notVariableOrConstructorInvocation() {
+    Source source = addSource(r'''
+typedef V();
+@V
+main() {
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.INVALID_ANNOTATION]);
+    verify([source]);
+  }
+
+  void test_invalidAnnotation_staticMethodReference() {
+    Source source = addSource(r'''
+class A {
+  static f() {}
+}
+@A.f
+main() {
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.INVALID_ANNOTATION]);
+    verify([source]);
+  }
+
+  void test_invalidAnnotation_unresolved_identifier() {
+    Source source = addSource(r'''
+@unresolved
+main() {
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.INVALID_ANNOTATION]);
+  }
+
+  void test_invalidAnnotation_unresolved_invocation() {
+    Source source = addSource(r'''
+@Unresolved()
+main() {
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.INVALID_ANNOTATION]);
+  }
+
+  void test_invalidAnnotation_unresolved_prefixedIdentifier() {
+    Source source = addSource(r'''
+import 'dart:math' as p;
+@p.unresolved
+main() {
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.INVALID_ANNOTATION]);
+  }
+
+  void test_invalidAnnotation_useLibraryScope() {
+    Source source = addSource(r'''
+@foo
+class A {
+  static const foo = null;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.INVALID_ANNOTATION]);
+  }
+
+  void test_invalidAnnotationFromDeferredLibrary() {
+    // See test_invalidAnnotation_notConstantVariable
+    resolveWithErrors(<String>[
+      r'''
+library lib1;
+class V { const V(); }
+const v = const V();''',
+      r'''
+library root;
+import 'lib1.dart' deferred as a;
+@a.v main () {}'''
+    ], <ErrorCode>[
+      CompileTimeErrorCode.INVALID_ANNOTATION_FROM_DEFERRED_LIBRARY
+    ]);
+  }
+
+  void test_invalidAnnotationFromDeferredLibrary_constructor() {
+    // See test_invalidAnnotation_notConstantVariable
+    resolveWithErrors(<String>[
+      r'''
+library lib1;
+class C { const C(); }''',
+      r'''
+library root;
+import 'lib1.dart' deferred as a;
+@a.C() main () {}'''
+    ], <ErrorCode>[
+      CompileTimeErrorCode.INVALID_ANNOTATION_FROM_DEFERRED_LIBRARY
+    ]);
+  }
+
+  void test_invalidAnnotationFromDeferredLibrary_namedConstructor() {
+    // See test_invalidAnnotation_notConstantVariable
+    resolveWithErrors(<String>[
+      r'''
+library lib1;
+class C { const C.name(); }''',
+      r'''
+library root;
+import 'lib1.dart' deferred as a;
+@a.C.name() main () {}'''
+    ], <ErrorCode>[
+      CompileTimeErrorCode.INVALID_ANNOTATION_FROM_DEFERRED_LIBRARY
+    ]);
+  }
+
+  void test_invalidConstructorName_notEnclosingClassName_defined() {
+    Source source = addSource(r'''
+class A {
+  B() : super();
+}
+class B {}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.INVALID_CONSTRUCTOR_NAME]);
+    // no verify() call, "B" is not resolved
+  }
+
+  void test_invalidConstructorName_notEnclosingClassName_undefined() {
+    Source source = addSource(r'''
+class A {
+  B() : super();
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.INVALID_CONSTRUCTOR_NAME]);
+    // no verify() call, "B" is not resolved
+  }
+
+  void test_invalidFactoryNameNotAClass_notClassName() {
+    Source source = addSource(r'''
+int B;
+class A {
+  factory B() {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.INVALID_FACTORY_NAME_NOT_A_CLASS]);
+    verify([source]);
+  }
+
+  void test_invalidFactoryNameNotAClass_notEnclosingClassName() {
+    Source source = addSource(r'''
+class A {
+  factory B() {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.INVALID_FACTORY_NAME_NOT_A_CLASS]);
+    // no verify() call, "B" is not resolved
+  }
+
+  void test_invalidModifierOnConstructor_async() {
+    Source source = addSource(r'''
+class A {
+  A() async {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.INVALID_MODIFIER_ON_CONSTRUCTOR]);
+    verify([source]);
+  }
+
+  void test_invalidModifierOnConstructor_asyncStar() {
+    Source source = addSource(r'''
+class A {
+  A() async* {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.INVALID_MODIFIER_ON_CONSTRUCTOR]);
+    verify([source]);
+  }
+
+  void test_invalidModifierOnConstructor_syncStar() {
+    Source source = addSource(r'''
+class A {
+  A() sync* {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.INVALID_MODIFIER_ON_CONSTRUCTOR]);
+    verify([source]);
+  }
+
+  void test_invalidModifierOnSetter_member_async() {
+    Source source = addSource(r'''
+class A {
+  set x(v) async {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.INVALID_MODIFIER_ON_SETTER]);
+    verify([source]);
+  }
+
+  void test_invalidModifierOnSetter_member_asyncStar() {
+    Source source = addSource(r'''
+class A {
+  set x(v) async* {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.INVALID_MODIFIER_ON_SETTER]);
+    verify([source]);
+  }
+
+  void test_invalidModifierOnSetter_member_syncStar() {
+    Source source = addSource(r'''
+class A {
+  set x(v) sync* {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.INVALID_MODIFIER_ON_SETTER]);
+    verify([source]);
+  }
+
+  void test_invalidModifierOnSetter_topLevel_async() {
+    Source source = addSource("set x(v) async {}");
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.INVALID_MODIFIER_ON_SETTER]);
+    verify([source]);
+  }
+
+  void test_invalidModifierOnSetter_topLevel_asyncStar() {
+    Source source = addSource("set x(v) async* {}");
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.INVALID_MODIFIER_ON_SETTER]);
+    verify([source]);
+  }
+
+  void test_invalidModifierOnSetter_topLevel_syncStar() {
+    Source source = addSource("set x(v) sync* {}");
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.INVALID_MODIFIER_ON_SETTER]);
+    verify([source]);
+  }
+
+  void test_invalidReferenceToThis_factoryConstructor() {
+    Source source = addSource(r'''
+class A {
+  factory A() { return this; }
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.INVALID_REFERENCE_TO_THIS]);
+    verify([source]);
+  }
+
+  void test_invalidReferenceToThis_instanceVariableInitializer_inConstructor() {
+    Source source = addSource(r'''
+class A {
+  var f;
+  A() : f = this;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.INVALID_REFERENCE_TO_THIS]);
+    verify([source]);
+  }
+
+  void test_invalidReferenceToThis_instanceVariableInitializer_inDeclaration() {
+    Source source = addSource(r'''
+class A {
+  var f = this;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.INVALID_REFERENCE_TO_THIS]);
+    verify([source]);
+  }
+
+  void test_invalidReferenceToThis_staticMethod() {
+    Source source = addSource(r'''
+class A {
+  static m() { return this; }
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.INVALID_REFERENCE_TO_THIS]);
+    verify([source]);
+  }
+
+  void test_invalidReferenceToThis_staticVariableInitializer() {
+    Source source = addSource(r'''
+class A {
+  static A f = this;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.INVALID_REFERENCE_TO_THIS]);
+    verify([source]);
+  }
+
+  void test_invalidReferenceToThis_superInitializer() {
+    Source source = addSource(r'''
+class A {
+  A(var x) {}
+}
+class B extends A {
+  B() : super(this);
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.INVALID_REFERENCE_TO_THIS]);
+    verify([source]);
+  }
+
+  void test_invalidReferenceToThis_topLevelFunction() {
+    Source source = addSource("f() { return this; }");
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.INVALID_REFERENCE_TO_THIS]);
+    verify([source]);
+  }
+
+  void test_invalidReferenceToThis_variableInitializer() {
+    Source source = addSource("int x = this;");
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.INVALID_REFERENCE_TO_THIS]);
+    verify([source]);
+  }
+
+  void test_invalidTypeArgumentInConstList() {
+    Source source = addSource(r'''
+class A<E> {
+  m() {
+    return const <E>[];
+  }
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.INVALID_TYPE_ARGUMENT_IN_CONST_LIST]);
+    verify([source]);
+  }
+
+  void test_invalidTypeArgumentInConstMap() {
+    Source source = addSource(r'''
+class A<E> {
+  m() {
+    return const <String, E>{};
+  }
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.INVALID_TYPE_ARGUMENT_IN_CONST_MAP]);
+    verify([source]);
+  }
+
+  void test_invalidUri_export() {
+    Source source = addSource("export 'ht:';");
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.INVALID_URI]);
+  }
+
+  void test_invalidUri_import() {
+    Source source = addSource("import 'ht:';");
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.INVALID_URI]);
+  }
+
+  void test_invalidUri_part() {
+    Source source = addSource(r'''
+library lib;
+part 'ht:';''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.INVALID_URI]);
+  }
+
+  void test_isInConstInstanceCreation_restored() {
+    // If ErrorVerifier._isInConstInstanceCreation is not properly restored on
+    // exit from visitInstanceCreationExpression, the error at (1) will be
+    // treated as a warning rather than an error.
+    Source source = addSource(r'''
+class Foo<T extends num> {
+  const Foo(x, y);
+}
+const x = const Foo<int>(const Foo<int>(0, 1),
+    const <Foo<String>>[]); // (1)
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.TYPE_ARGUMENT_NOT_MATCHING_BOUNDS]);
+    verify([source]);
+  }
+
+  void test_isInInstanceVariableInitializer_restored() {
+    // If ErrorVerifier._isInInstanceVariableInitializer is not properly
+    // restored on exit from visitVariableDeclaration, the error at (1)
+    // won't be detected.
+    Source source = addSource(r'''
+class Foo {
+  var bar;
+  Map foo = {
+    'bar': () {
+        var _bar;
+    },
+    'bop': _foo // (1)
+  };
+  _foo() {
+  }
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.IMPLICIT_THIS_REFERENCE_IN_INITIALIZER]);
+    verify([source]);
+  }
+
+  void test_labelInOuterScope() {
+    Source source = addSource(r'''
+class A {
+  void m(int i) {
+    l: while (i > 0) {
+      void f() {
+        break l;
+      };
+    }
+  }
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.LABEL_IN_OUTER_SCOPE]);
+    // We cannot verify resolution with unresolvable labels
+  }
+
+  void test_labelUndefined_break() {
+    Source source = addSource(r'''
+f() {
+  x: while (true) {
+    break y;
+  }
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.LABEL_UNDEFINED]);
+    // We cannot verify resolution with undefined labels
+  }
+
+  void test_labelUndefined_continue() {
+    Source source = addSource(r'''
+f() {
+  x: while (true) {
+    continue y;
+  }
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.LABEL_UNDEFINED]);
+    // We cannot verify resolution with undefined labels
+  }
+
+  void test_length_of_erroneous_constant() {
+    // Attempting to compute the length of constant that couldn't be evaluated
+    // (due to an error) should not crash the analyzer (see dartbug.com/23383)
+    Source source = addSource("const int i = (1 ? 'alpha' : 'beta').length;");
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.CONST_INITIALIZED_WITH_NON_CONSTANT_VALUE,
+      CompileTimeErrorCode.CONST_EVAL_TYPE_BOOL,
+      StaticTypeWarningCode.NON_BOOL_CONDITION
+    ]);
+    verify([source]);
+  }
+
+  void test_memberWithClassName_field() {
+    Source source = addSource(r'''
+class A {
+  int A = 0;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.MEMBER_WITH_CLASS_NAME]);
+    verify([source]);
+  }
+
+  void test_memberWithClassName_field2() {
+    Source source = addSource(r'''
+class A {
+  int z, A, b = 0;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.MEMBER_WITH_CLASS_NAME]);
+    verify([source]);
+  }
+
+  void test_memberWithClassName_getter() {
+    Source source = addSource(r'''
+class A {
+  get A => 0;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.MEMBER_WITH_CLASS_NAME]);
+    verify([source]);
+  }
+
+  void test_memberWithClassName_method() {
+    // no test because indistinguishable from constructor
+  }
+
+  void test_methodAndGetterWithSameName() {
+    Source source = addSource(r'''
+class A {
+  get x => 0;
+  x(y) {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.METHOD_AND_GETTER_WITH_SAME_NAME]);
+    verify([source]);
+  }
+
+  void test_missingEnumConstantInSwitch() {
+    Source source = addSource(r'''
+enum E { ONE, TWO, THREE, FOUR }
+bool odd(E e) {
+  switch (e) {
+    case E.ONE:
+    case E.THREE: return true;
+  }
+  return false;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.MISSING_ENUM_CONSTANT_IN_SWITCH,
+      CompileTimeErrorCode.MISSING_ENUM_CONSTANT_IN_SWITCH
+    ]);
+    verify([source]);
+  }
+
+  void test_mixinDeclaresConstructor_classDeclaration() {
+    Source source = addSource(r'''
+class A {
+  A() {}
+}
+class B extends Object with A {}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.MIXIN_DECLARES_CONSTRUCTOR]);
+    verify([source]);
+  }
+
+  void test_mixinDeclaresConstructor_typeAlias() {
+    Source source = addSource(r'''
+class A {
+  A() {}
+}
+class B = Object with A;''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.MIXIN_DECLARES_CONSTRUCTOR]);
+    verify([source]);
+  }
+
+  void test_mixinDeferredClass() {
+    resolveWithErrors(<String>[
+      r'''
+library lib1;
+class A {}''',
+      r'''
+library root;
+import 'lib1.dart' deferred as a;
+class B extends Object with a.A {}'''
+    ], <ErrorCode>[
+      CompileTimeErrorCode.MIXIN_DEFERRED_CLASS
+    ]);
+  }
+
+  void test_mixinDeferredClass_classTypeAlias() {
+    resolveWithErrors(<String>[
+      r'''
+library lib1;
+class A {}''',
+      r'''
+library root;
+import 'lib1.dart' deferred as a;
+class B {}
+class C = B with a.A;'''
+    ], <ErrorCode>[
+      CompileTimeErrorCode.MIXIN_DEFERRED_CLASS
+    ]);
+  }
+
+  void test_mixinHasNoConstructors_mixinApp() {
+    Source source = addSource(r'''
+class B {
+  B({x});
+}
+class M {}
+class C = B with M;
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.MIXIN_HAS_NO_CONSTRUCTORS]);
+    verify([source]);
+  }
+
+  void test_mixinHasNoConstructors_mixinClass() {
+    Source source = addSource(r'''
+class B {
+  B({x});
+}
+class M {}
+class C extends B with M {}
+''');
+    // Note: the implicit call from C's default constructor to B() should not
+    // generate a further error (despite the fact that it's not forwarded),
+    // since CompileTimeErrorCode.MIXIN_HAS_NO_CONSTRUCTORS does a better job
+    // of explaining the probem to the user.
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.MIXIN_HAS_NO_CONSTRUCTORS]);
+    verify([source]);
+  }
+
+  void test_mixinHasNoConstructors_mixinClass_explicitSuperCall() {
+    Source source = addSource(r'''
+class B {
+  B({x});
+}
+class M {}
+class C extends B with M {
+  C() : super();
+}
+''');
+    // Note: the explicit call from C() to B() should not generate a further
+    // error (despite the fact that it's not forwarded), since
+    // CompileTimeErrorCode.MIXIN_HAS_NO_CONSTRUCTORS does a better job of
+    // explaining the error to the user.
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.MIXIN_HAS_NO_CONSTRUCTORS]);
+    verify([source]);
+  }
+
+  void test_mixinHasNoConstructors_mixinClass_implicitSuperCall() {
+    Source source = addSource(r'''
+class B {
+  B({x});
+}
+class M {}
+class C extends B with M {
+  C();
+}
+''');
+    // Note: the implicit call from C() to B() should not generate a further
+    // error (despite the fact that it's not forwarded), since
+    // CompileTimeErrorCode.MIXIN_HAS_NO_CONSTRUCTORS does a better job of
+    // explaining the error to the user.
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.MIXIN_HAS_NO_CONSTRUCTORS]);
+    verify([source]);
+  }
+
+  void test_mixinHasNoConstructors_mixinClass_namedSuperCall() {
+    Source source = addSource(r'''
+class B {
+  B.named({x});
+}
+class M {}
+class C extends B with M {
+  C() : super.named();
+}
+''');
+    // Note: the explicit call from C() to B.named() should not generate a
+    // further error (despite the fact that it's not forwarded), since
+    // CompileTimeErrorCode.MIXIN_HAS_NO_CONSTRUCTORS does a better job of
+    // explaining the error to the user.
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.MIXIN_HAS_NO_CONSTRUCTORS]);
+    verify([source]);
+  }
+
+  void test_mixinInheritsFromNotObject_classDeclaration_extends() {
+    Source source = addSource(r'''
+class A {}
+class B extends A {}
+class C extends Object with B {}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.MIXIN_INHERITS_FROM_NOT_OBJECT]);
+    verify([source]);
+  }
+
+  void test_mixinInheritsFromNotObject_classDeclaration_with() {
+    Source source = addSource(r'''
+class A {}
+class B extends Object with A {}
+class C extends Object with B {}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.MIXIN_INHERITS_FROM_NOT_OBJECT]);
+    verify([source]);
+  }
+
+  void test_mixinInheritsFromNotObject_typeAlias_extends() {
+    Source source = addSource(r'''
+class A {}
+class B extends A {}
+class C = Object with B;''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.MIXIN_INHERITS_FROM_NOT_OBJECT]);
+    verify([source]);
+  }
+
+  void test_mixinInheritsFromNotObject_typeAlias_with() {
+    Source source = addSource(r'''
+class A {}
+class B extends Object with A {}
+class C = Object with B;''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.MIXIN_INHERITS_FROM_NOT_OBJECT]);
+    verify([source]);
+  }
+
+  void test_mixinOfDisallowedClass_class_bool() {
+    Source source = addSource("class A extends Object with bool {}");
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.MIXIN_OF_DISALLOWED_CLASS]);
+    verify([source]);
+  }
+
+  void test_mixinOfDisallowedClass_class_double() {
+    Source source = addSource("class A extends Object with double {}");
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.MIXIN_OF_DISALLOWED_CLASS]);
+    verify([source]);
+  }
+
+  void test_mixinOfDisallowedClass_class_int() {
+    Source source = addSource("class A extends Object with int {}");
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.MIXIN_OF_DISALLOWED_CLASS]);
+    verify([source]);
+  }
+
+  void test_mixinOfDisallowedClass_class_Null() {
+    Source source = addSource("class A extends Object with Null {}");
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.MIXIN_OF_DISALLOWED_CLASS]);
+    verify([source]);
+  }
+
+  void test_mixinOfDisallowedClass_class_num() {
+    Source source = addSource("class A extends Object with num {}");
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.MIXIN_OF_DISALLOWED_CLASS]);
+    verify([source]);
+  }
+
+  void test_mixinOfDisallowedClass_class_String() {
+    Source source = addSource("class A extends Object with String {}");
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.MIXIN_OF_DISALLOWED_CLASS]);
+    verify([source]);
+  }
+
+  void test_mixinOfDisallowedClass_classTypeAlias_bool() {
+    Source source = addSource(r'''
+class A {}
+class C = A with bool;''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.MIXIN_OF_DISALLOWED_CLASS]);
+    verify([source]);
+  }
+
+  void test_mixinOfDisallowedClass_classTypeAlias_double() {
+    Source source = addSource(r'''
+class A {}
+class C = A with double;''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.MIXIN_OF_DISALLOWED_CLASS]);
+    verify([source]);
+  }
+
+  void test_mixinOfDisallowedClass_classTypeAlias_int() {
+    Source source = addSource(r'''
+class A {}
+class C = A with int;''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.MIXIN_OF_DISALLOWED_CLASS]);
+    verify([source]);
+  }
+
+  void test_mixinOfDisallowedClass_classTypeAlias_Null() {
+    Source source = addSource(r'''
+class A {}
+class C = A with Null;''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.MIXIN_OF_DISALLOWED_CLASS]);
+    verify([source]);
+  }
+
+  void test_mixinOfDisallowedClass_classTypeAlias_num() {
+    Source source = addSource(r'''
+class A {}
+class C = A with num;''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.MIXIN_OF_DISALLOWED_CLASS]);
+    verify([source]);
+  }
+
+  void test_mixinOfDisallowedClass_classTypeAlias_String() {
+    Source source = addSource(r'''
+class A {}
+class C = A with String;''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.MIXIN_OF_DISALLOWED_CLASS]);
+    verify([source]);
+  }
+
+  void test_mixinOfDisallowedClass_classTypeAlias_String_num() {
+    Source source = addSource(r'''
+class A {}
+class C = A with String, num;''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.MIXIN_OF_DISALLOWED_CLASS,
+      CompileTimeErrorCode.MIXIN_OF_DISALLOWED_CLASS
+    ]);
+    verify([source]);
+  }
+
+  void test_mixinOfEnum() {
+    Source source = addSource(r'''
+enum E { ONE }
+class A extends Object with E {}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.MIXIN_OF_ENUM]);
+    verify([source]);
+  }
+
+  void test_mixinOfNonClass_class() {
+    Source source = addSource(r'''
+int A;
+class B extends Object with A {}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.MIXIN_OF_NON_CLASS]);
+    verify([source]);
+  }
+
+  void test_mixinOfNonClass_typeAlias() {
+    Source source = addSource(r'''
+class A {}
+int B;
+class C = A with B;''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.MIXIN_OF_NON_CLASS]);
+    verify([source]);
+  }
+
+  void test_mixinReferencesSuper() {
+    Source source = addSource(r'''
+class A {
+  toString() => super.toString();
+}
+class B extends Object with A {}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.MIXIN_REFERENCES_SUPER]);
+    verify([source]);
+  }
+
+  void test_mixinWithNonClassSuperclass_class() {
+    Source source = addSource(r'''
+int A;
+class B {}
+class C extends A with B {}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.MIXIN_WITH_NON_CLASS_SUPERCLASS]);
+    verify([source]);
+  }
+
+  void test_mixinWithNonClassSuperclass_typeAlias() {
+    Source source = addSource(r'''
+int A;
+class B {}
+class C = A with B;''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.MIXIN_WITH_NON_CLASS_SUPERCLASS]);
+    verify([source]);
+  }
+
+  void test_multipleRedirectingConstructorInvocations() {
+    Source source = addSource(r'''
+class A {
+  A() : this.a(), this.b();
+  A.a() {}
+  A.b() {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source,
+        [CompileTimeErrorCode.MULTIPLE_REDIRECTING_CONSTRUCTOR_INVOCATIONS]);
+    verify([source]);
+  }
+
+  void test_multipleSuperInitializers() {
+    Source source = addSource(r'''
+class A {}
+class B extends A {
+  B() : super(), super() {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.MULTIPLE_SUPER_INITIALIZERS]);
+    verify([source]);
+  }
+
+  void test_nativeClauseInNonSDKCode() {
+    // TODO(jwren) Move this test somewhere else: This test verifies a parser
+    // error code is generated through the ErrorVerifier, it is not a
+    // CompileTimeErrorCode.
+    Source source = addSource("class A native 'string' {}");
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [ParserErrorCode.NATIVE_CLAUSE_IN_NON_SDK_CODE]);
+    verify([source]);
+  }
+
+  void test_nativeFunctionBodyInNonSDKCode_function() {
+    // TODO(jwren) Move this test somewhere else: This test verifies a parser
+    // error code is generated through the ErrorVerifier, it is not a
+    // CompileTimeErrorCode.
+    Source source = addSource("int m(a) native 'string';");
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [ParserErrorCode.NATIVE_FUNCTION_BODY_IN_NON_SDK_CODE]);
+    verify([source]);
+  }
+
+  void test_nativeFunctionBodyInNonSDKCode_method() {
+    // TODO(jwren) Move this test somewhere else: This test verifies a parser
+    // error code is generated through the ErrorVerifier, it is not a
+    // CompileTimeErrorCode.
+    Source source = addSource(r'''
+class A{
+  static int m(a) native 'string';
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [ParserErrorCode.NATIVE_FUNCTION_BODY_IN_NON_SDK_CODE]);
+    verify([source]);
+  }
+
+  void test_noAnnotationConstructorArguments() {
+    Source source = addSource(r'''
+class A {
+  const A();
+}
+@A
+main() {
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.NO_ANNOTATION_CONSTRUCTOR_ARGUMENTS]);
+    verify([source]);
+  }
+
+  void test_noDefaultSuperConstructorExplicit() {
+    Source source = addSource(r'''
+class A {
+  A(p);
+}
+class B extends A {
+  B() {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.NO_DEFAULT_SUPER_CONSTRUCTOR_EXPLICIT]);
+    verify([source]);
+  }
+
+  void test_noDefaultSuperConstructorExplicit_MixinAppWithDirectSuperCall() {
+    Source source = addSource(r'''
+class M {}
+class B {
+  B({x});
+  B.named(); // To avoid MIXIN_HAS_NO_CONSTRUCTORS
+}
+class Mixed = B with M;
+class C extends Mixed {
+  C(x) : super();
+}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source,
+        [CompileTimeErrorCode.UNDEFINED_CONSTRUCTOR_IN_INITIALIZER_DEFAULT]);
+    verify([source]);
+  }
+
+  void test_noDefaultSuperConstructorExplicit_mixinAppWithNamedParam() {
+    Source source = addSource(r'''
+class M {}
+class B {
+  B({x});
+  B.named(); // To avoid MIXIN_HAS_NO_CONSTRUCTORS
+}
+class Mixed = B with M;
+class C extends Mixed {
+  C();
+}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source,
+        [CompileTimeErrorCode.UNDEFINED_CONSTRUCTOR_IN_INITIALIZER_DEFAULT]);
+    verify([source]);
+  }
+
+  void test_noDefaultSuperConstructorExplicit_MixinAppWithNamedSuperCall() {
+    Source source = addSource(r'''
+class M {}
+class B {
+  B.named({x});
+  B.named2(); // To avoid MIXIN_HAS_NO_CONSTRUCTORS
+}
+class Mixed = B with M;
+class C extends Mixed {
+  C(x) : super.named();
+}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.UNDEFINED_CONSTRUCTOR_IN_INITIALIZER]);
+    // Don't verify since call to super.named() can't be resolved.
+  }
+
+  void test_noDefaultSuperConstructorExplicit_mixinAppWithOptionalParam() {
+    Source source = addSource(r'''
+class M {}
+class B {
+  B([x]);
+  B.named(); // To avoid MIXIN_HAS_NO_CONSTRUCTORS
+}
+class Mixed = B with M;
+class C extends Mixed {
+  C();
+}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source,
+        [CompileTimeErrorCode.UNDEFINED_CONSTRUCTOR_IN_INITIALIZER_DEFAULT]);
+    verify([source]);
+  }
+
+  void test_noDefaultSuperConstructorExplicit_MixinWithDirectSuperCall() {
+    Source source = addSource(r'''
+class M {}
+class B {
+  B({x});
+  B.other();
+}
+class C extends B with M {
+  C(x) : super();
+}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source,
+        [CompileTimeErrorCode.UNDEFINED_CONSTRUCTOR_IN_INITIALIZER_DEFAULT]);
+    verify([source]);
+  }
+
+  void test_noDefaultSuperConstructorExplicit_mixinWithNamedParam() {
+    Source source = addSource(r'''
+class M {}
+class B {
+  B({x});
+  B.named();
+}
+class C extends B with M {
+  C();
+}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.NO_DEFAULT_SUPER_CONSTRUCTOR_EXPLICIT]);
+    verify([source]);
+  }
+
+  void test_noDefaultSuperConstructorExplicit_MixinWithNamedSuperCall() {
+    Source source = addSource(r'''
+class M {}
+class B {
+  B.named({x});
+  B.other();
+}
+class C extends B with M {
+  C(x) : super.named();
+}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.UNDEFINED_CONSTRUCTOR_IN_INITIALIZER]);
+    // Don't verify since call to super.named() can't be resolved.
+  }
+
+  void test_noDefaultSuperConstructorExplicit_mixinWithOptionalParam() {
+    Source source = addSource(r'''
+class M {}
+class B {
+  B([x]);
+  B.other();
+}
+class C extends B with M {
+  C();
+}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.NO_DEFAULT_SUPER_CONSTRUCTOR_EXPLICIT]);
+    verify([source]);
+  }
+
+  void test_noDefaultSuperConstructorImplicit_mixinAppWithNamedParam() {
+    Source source = addSource(r'''
+class M {}
+class B {
+  B({x});
+  B.named(); // To avoid MIXIN_HAS_NO_CONSTRUCTORS
+}
+class Mixed = B with M;
+class C extends Mixed {}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.NO_DEFAULT_SUPER_CONSTRUCTOR_IMPLICIT]);
+    verify([source]);
+  }
+
+  void test_noDefaultSuperConstructorImplicit_mixinAppWithOptionalParam() {
+    Source source = addSource(r'''
+class M {}
+class B {
+  B([x]);
+  B.named(); // To avoid MIXIN_HAS_NO_CONSTRUCTORS
+}
+class Mixed = B with M;
+class C extends Mixed {}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.NO_DEFAULT_SUPER_CONSTRUCTOR_IMPLICIT]);
+    verify([source]);
+  }
+
+  void test_noDefaultSuperConstructorImplicit_mixinWithNamedParam() {
+    Source source = addSource(r'''
+class M {}
+class B {
+  B({x});
+  B.other();
+}
+class C extends B with M {}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.NO_DEFAULT_SUPER_CONSTRUCTOR_IMPLICIT]);
+    verify([source]);
+  }
+
+  void test_noDefaultSuperConstructorImplicit_mixinWithOptionalParam() {
+    Source source = addSource(r'''
+class M {}
+class B {
+  B([x]);
+  B.other();
+}
+class C extends B with M {}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.NO_DEFAULT_SUPER_CONSTRUCTOR_IMPLICIT]);
+    verify([source]);
+  }
+
+  void test_noDefaultSuperConstructorImplicit_superHasParameters() {
+    Source source = addSource(r'''
+class A {
+  A(p);
+}
+class B extends A {
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.NO_DEFAULT_SUPER_CONSTRUCTOR_IMPLICIT]);
+    verify([source]);
+  }
+
+  void test_noDefaultSuperConstructorImplicit_superOnlyNamed() {
+    Source source = addSource(r'''
+class A { A.named() {} }
+class B extends A {}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.NO_DEFAULT_SUPER_CONSTRUCTOR_IMPLICIT]);
+    verify([source]);
+  }
+
+  void test_nonConstantAnnotationConstructor_named() {
+    Source source = addSource(r'''
+class A {
+  A.fromInt() {}
+}
+@A.fromInt()
+main() {
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.NON_CONSTANT_ANNOTATION_CONSTRUCTOR]);
+    verify([source]);
+  }
+
+  void test_nonConstantAnnotationConstructor_unnamed() {
+    Source source = addSource(r'''
+class A {
+  A() {}
+}
+@A()
+main() {
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.NON_CONSTANT_ANNOTATION_CONSTRUCTOR]);
+    verify([source]);
+  }
+
+  void test_nonConstantDefaultValue_function_named() {
+    Source source = addSource(r'''
+int y;
+f({x : y}) {}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.NON_CONSTANT_DEFAULT_VALUE]);
+    verify([source]);
+  }
+
+  void test_nonConstantDefaultValue_function_positional() {
+    Source source = addSource(r'''
+int y;
+f([x = y]) {}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.NON_CONSTANT_DEFAULT_VALUE]);
+    verify([source]);
+  }
+
+  void test_nonConstantDefaultValue_inConstructor_named() {
+    Source source = addSource(r'''
+class A {
+  int y;
+  A({x : y}) {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.NON_CONSTANT_DEFAULT_VALUE]);
+    verify([source]);
+  }
+
+  void test_nonConstantDefaultValue_inConstructor_positional() {
+    Source source = addSource(r'''
+class A {
+  int y;
+  A([x = y]) {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.NON_CONSTANT_DEFAULT_VALUE]);
+    verify([source]);
+  }
+
+  void test_nonConstantDefaultValue_method_named() {
+    Source source = addSource(r'''
+class A {
+  int y;
+  m({x : y}) {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.NON_CONSTANT_DEFAULT_VALUE]);
+    verify([source]);
+  }
+
+  void test_nonConstantDefaultValue_method_positional() {
+    Source source = addSource(r'''
+class A {
+  int y;
+  m([x = y]) {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.NON_CONSTANT_DEFAULT_VALUE]);
+    verify([source]);
+  }
+
+  void test_nonConstantDefaultValueFromDeferredLibrary() {
+    resolveWithErrors(<String>[
+      r'''
+library lib1;
+const V = 1;''',
+      r'''
+library root;
+import 'lib1.dart' deferred as a;
+f({x : a.V}) {}'''
+    ], <ErrorCode>[
+      CompileTimeErrorCode.NON_CONSTANT_DEFAULT_VALUE_FROM_DEFERRED_LIBRARY
+    ]);
+  }
+
+  void test_nonConstantDefaultValueFromDeferredLibrary_nested() {
+    resolveWithErrors(<String>[
+      r'''
+library lib1;
+const V = 1;''',
+      r'''
+library root;
+import 'lib1.dart' deferred as a;
+f({x : a.V + 1}) {}'''
+    ], <ErrorCode>[
+      CompileTimeErrorCode.NON_CONSTANT_DEFAULT_VALUE_FROM_DEFERRED_LIBRARY
+    ]);
+  }
+
+  void test_nonConstCaseExpression() {
+    Source source = addSource(r'''
+f(int p, int q) {
+  switch (p) {
+    case 3 + q:
+      break;
+  }
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.NON_CONSTANT_CASE_EXPRESSION]);
+    verify([source]);
+  }
+
+  void test_nonConstCaseExpressionFromDeferredLibrary() {
+    resolveWithErrors(<String>[
+      r'''
+library lib1;
+const int c = 1;''',
+      r'''
+library root;
+import 'lib1.dart' deferred as a;
+main (int p) {
+  switch (p) {
+    case a.c:
+      break;
+  }
+}'''
+    ], <ErrorCode>[
+      CompileTimeErrorCode.NON_CONSTANT_CASE_EXPRESSION_FROM_DEFERRED_LIBRARY
+    ]);
+  }
+
+  void test_nonConstCaseExpressionFromDeferredLibrary_nested() {
+    resolveWithErrors(<String>[
+      r'''
+library lib1;
+const int c = 1;''',
+      r'''
+library root;
+import 'lib1.dart' deferred as a;
+main (int p) {
+  switch (p) {
+    case a.c + 1:
+      break;
+  }
+}'''
+    ], <ErrorCode>[
+      CompileTimeErrorCode.NON_CONSTANT_CASE_EXPRESSION_FROM_DEFERRED_LIBRARY
+    ]);
+  }
+
+  void test_nonConstListElement() {
+    Source source = addSource(r'''
+f(a) {
+  return const [a];
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.NON_CONSTANT_LIST_ELEMENT]);
+    verify([source]);
+  }
+
+  void test_nonConstListElementFromDeferredLibrary() {
+    resolveWithErrors(<String>[
+      r'''
+library lib1;
+const int c = 1;''',
+      r'''
+library root;
+import 'lib1.dart' deferred as a;
+f() {
+  return const [a.c];
+}'''
+    ], <ErrorCode>[
+      CompileTimeErrorCode.NON_CONSTANT_LIST_ELEMENT_FROM_DEFERRED_LIBRARY
+    ]);
+  }
+
+  void test_nonConstListElementFromDeferredLibrary_nested() {
+    resolveWithErrors(<String>[
+      r'''
+library lib1;
+const int c = 1;''',
+      r'''
+library root;
+import 'lib1.dart' deferred as a;
+f() {
+  return const [a.c + 1];
+}'''
+    ], <ErrorCode>[
+      CompileTimeErrorCode.NON_CONSTANT_LIST_ELEMENT_FROM_DEFERRED_LIBRARY
+    ]);
+  }
+
+  void test_nonConstMapAsExpressionStatement_begin() {
+    Source source = addSource(r'''
+f() {
+  {'a' : 0, 'b' : 1}.length;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.NON_CONST_MAP_AS_EXPRESSION_STATEMENT]);
+    verify([source]);
+  }
+
+  void test_nonConstMapAsExpressionStatement_only() {
+    Source source = addSource(r'''
+f() {
+  {'a' : 0, 'b' : 1};
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.NON_CONST_MAP_AS_EXPRESSION_STATEMENT]);
+    verify([source]);
+  }
+
+  void test_nonConstMapKey() {
+    Source source = addSource(r'''
+f(a) {
+  return const {a : 0};
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.NON_CONSTANT_MAP_KEY]);
+    verify([source]);
+  }
+
+  void test_nonConstMapKeyFromDeferredLibrary() {
+    resolveWithErrors(<String>[
+      r'''
+library lib1;
+const int c = 1;''',
+      r'''
+library root;
+import 'lib1.dart' deferred as a;
+f() {
+  return const {a.c : 0};
+}'''
+    ], <ErrorCode>[
+      CompileTimeErrorCode.NON_CONSTANT_MAP_KEY_FROM_DEFERRED_LIBRARY
+    ]);
+  }
+
+  void test_nonConstMapKeyFromDeferredLibrary_nested() {
+    resolveWithErrors(<String>[
+      r'''
+library lib1;
+const int c = 1;''',
+      r'''
+library root;
+import 'lib1.dart' deferred as a;
+f() {
+  return const {a.c + 1 : 0};
+}'''
+    ], <ErrorCode>[
+      CompileTimeErrorCode.NON_CONSTANT_MAP_KEY_FROM_DEFERRED_LIBRARY
+    ]);
+  }
+
+  void test_nonConstMapValue() {
+    Source source = addSource(r'''
+f(a) {
+  return const {'a' : a};
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.NON_CONSTANT_MAP_VALUE]);
+    verify([source]);
+  }
+
+  void test_nonConstMapValueFromDeferredLibrary() {
+    resolveWithErrors(<String>[
+      r'''
+library lib1;
+const int c = 1;''',
+      r'''
+library root;
+import 'lib1.dart' deferred as a;
+f() {
+  return const {'a' : a.c};
+}'''
+    ], <ErrorCode>[
+      CompileTimeErrorCode.NON_CONSTANT_MAP_VALUE_FROM_DEFERRED_LIBRARY
+    ]);
+  }
+
+  void test_nonConstMapValueFromDeferredLibrary_nested() {
+    resolveWithErrors(<String>[
+      r'''
+library lib1;
+const int c = 1;''',
+      r'''
+library root;
+import 'lib1.dart' deferred as a;
+f() {
+  return const {'a' : a.c + 1};
+}'''
+    ], <ErrorCode>[
+      CompileTimeErrorCode.NON_CONSTANT_MAP_VALUE_FROM_DEFERRED_LIBRARY
+    ]);
+  }
+
+  void test_nonConstValueInInitializer_binary_notBool_left() {
+    Source source = addSource(r'''
+class A {
+  final bool a;
+  const A(String p) : a = p && true;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.CONST_EVAL_TYPE_BOOL,
+      StaticTypeWarningCode.NON_BOOL_OPERAND
+    ]);
+    verify([source]);
+  }
+
+  void test_nonConstValueInInitializer_binary_notBool_right() {
+    Source source = addSource(r'''
+class A {
+  final bool a;
+  const A(String p) : a = true && p;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.CONST_EVAL_TYPE_BOOL,
+      StaticTypeWarningCode.NON_BOOL_OPERAND
+    ]);
+    verify([source]);
+  }
+
+  void test_nonConstValueInInitializer_binary_notInt() {
+    Source source = addSource(r'''
+class A {
+  final int a;
+  const A(String p) : a = 5 & p;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.CONST_EVAL_TYPE_INT,
+      StaticWarningCode.ARGUMENT_TYPE_NOT_ASSIGNABLE
+    ]);
+    verify([source]);
+  }
+
+  void test_nonConstValueInInitializer_binary_notNum() {
+    Source source = addSource(r'''
+class A {
+  final int a;
+  const A(String p) : a = 5 + p;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.CONST_EVAL_TYPE_NUM,
+      StaticWarningCode.ARGUMENT_TYPE_NOT_ASSIGNABLE
+    ]);
+    verify([source]);
+  }
+
+  void test_nonConstValueInInitializer_field() {
+    Source source = addSource(r'''
+class A {
+  static int C;
+  final int a;
+  const A() : a = C;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.NON_CONSTANT_VALUE_IN_INITIALIZER]);
+    verify([source]);
+  }
+
+  void test_nonConstValueInInitializer_instanceCreation() {
+    Source source = addSource(r'''
+class A {
+  A();
+}
+class B {
+  const B() : a = new A();
+  final a;
+}
+var b = const B();''');
+    computeLibrarySourceErrors(source);
+    // TODO(paulberry): the error INVALID_CONSTAT is redundant and ought to be
+    // suppressed.
+    assertErrors(source, [
+      CompileTimeErrorCode.NON_CONSTANT_VALUE_IN_INITIALIZER,
+      CompileTimeErrorCode.INVALID_CONSTANT
+    ]);
+    verify([source]);
+  }
+
+  void test_nonConstValueInInitializer_redirecting() {
+    Source source = addSource(r'''
+class A {
+  static var C;
+  const A.named(p);
+  const A() : this.named(C);
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.NON_CONSTANT_VALUE_IN_INITIALIZER]);
+    verify([source]);
+  }
+
+  void test_nonConstValueInInitializer_super() {
+    Source source = addSource(r'''
+class A {
+  const A(p);
+}
+class B extends A {
+  static var C;
+  const B() : super(C);
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.NON_CONSTANT_VALUE_IN_INITIALIZER]);
+    verify([source]);
+  }
+
+  void test_nonConstValueInInitializerFromDeferredLibrary_field() {
+    resolveWithErrors(<String>[
+      r'''
+library lib1;
+const int c = 1;''',
+      r'''
+library root;
+import 'lib1.dart' deferred as a;
+class A {
+  final int x;
+  const A() : x = a.c;
+}'''
+    ], <ErrorCode>[
+      CompileTimeErrorCode.NON_CONSTANT_VALUE_IN_INITIALIZER_FROM_DEFERRED_LIBRARY
+    ]);
+  }
+
+  void test_nonConstValueInInitializerFromDeferredLibrary_field_nested() {
+    resolveWithErrors(<String>[
+      r'''
+library lib1;
+const int c = 1;''',
+      r'''
+library root;
+import 'lib1.dart' deferred as a;
+class A {
+  final int x;
+  const A() : x = a.c + 1;
+}'''
+    ], <ErrorCode>[
+      CompileTimeErrorCode.NON_CONSTANT_VALUE_IN_INITIALIZER_FROM_DEFERRED_LIBRARY
+    ]);
+  }
+
+  void test_nonConstValueInInitializerFromDeferredLibrary_redirecting() {
+    resolveWithErrors(<String>[
+      r'''
+library lib1;
+const int c = 1;''',
+      r'''
+library root;
+import 'lib1.dart' deferred as a;
+class A {
+  const A.named(p);
+  const A() : this.named(a.c);
+}'''
+    ], <ErrorCode>[
+      CompileTimeErrorCode.NON_CONSTANT_VALUE_IN_INITIALIZER_FROM_DEFERRED_LIBRARY
+    ]);
+  }
+
+  void test_nonConstValueInInitializerFromDeferredLibrary_super() {
+    resolveWithErrors(<String>[
+      r'''
+library lib1;
+const int c = 1;''',
+      r'''
+library root;
+import 'lib1.dart' deferred as a;
+class A {
+  const A(p);
+}
+class B extends A {
+  const B() : super(a.c);
+}'''
+    ], <ErrorCode>[
+      CompileTimeErrorCode.NON_CONSTANT_VALUE_IN_INITIALIZER_FROM_DEFERRED_LIBRARY
+    ]);
+  }
+
+  void test_nonGenerativeConstructor_explicit() {
+    Source source = addSource(r'''
+class A {
+  factory A.named() {}
+}
+class B extends A {
+  B() : super.named();
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.NON_GENERATIVE_CONSTRUCTOR]);
+    verify([source]);
+  }
+
+  void test_nonGenerativeConstructor_implicit() {
+    Source source = addSource(r'''
+class A {
+  factory A() {}
+}
+class B extends A {
+  B();
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.NON_GENERATIVE_CONSTRUCTOR]);
+    verify([source]);
+  }
+
+  void test_nonGenerativeConstructor_implicit2() {
+    Source source = addSource(r'''
+class A {
+  factory A() {}
+}
+class B extends A {
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.NON_GENERATIVE_CONSTRUCTOR]);
+    verify([source]);
+  }
+
+  void test_notEnoughRequiredArguments_const() {
+    Source source = addSource(r'''
+class A {
+  const A(int p);
+}
+main() {
+  const A();
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.NOT_ENOUGH_REQUIRED_ARGUMENTS]);
+    verify([source]);
+  }
+
+  void test_notEnoughRequiredArguments_const_super() {
+    Source source = addSource(r'''
+class A {
+  const A(int p);
+}
+class B extends A {
+  const B() : super();
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.NOT_ENOUGH_REQUIRED_ARGUMENTS]);
+    verify([source]);
+  }
+
+  void test_optionalParameterInOperator_named() {
+    Source source = addSource(r'''
+class A {
+  operator +({p}) {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.OPTIONAL_PARAMETER_IN_OPERATOR]);
+    verify([source]);
+  }
+
+  void test_optionalParameterInOperator_positional() {
+    Source source = addSource(r'''
+class A {
+  operator +([p]) {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.OPTIONAL_PARAMETER_IN_OPERATOR]);
+    verify([source]);
+  }
+
+  void test_partOfNonPart() {
+    Source source = addSource(r'''
+library l1;
+part 'l2.dart';''');
+    addNamedSource("/l2.dart", "library l2;");
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.PART_OF_NON_PART]);
+    verify([source]);
+  }
+
+  void test_partOfNonPart_self() {
+    Source source = addSource(r'''
+library lib;
+part 'test.dart';''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.PART_OF_NON_PART]);
+    verify([source]);
+  }
+
+  void test_prefix_assignment_compound_in_method() {
+    addNamedSource('/lib.dart', 'library lib;');
+    Source source = addSource('''
+import 'lib.dart' as p;
+class C {
+  f() {
+    p += 1;
+  }
+}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.PREFIX_IDENTIFIER_NOT_FOLLOWED_BY_DOT]);
+    verify([source]);
+  }
+
+  void test_prefix_assignment_compound_not_in_method() {
+    addNamedSource('/lib.dart', 'library lib;');
+    Source source = addSource('''
+import 'lib.dart' as p;
+f() {
+  p += 1;
+}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.PREFIX_IDENTIFIER_NOT_FOLLOWED_BY_DOT]);
+    verify([source]);
+  }
+
+  void test_prefix_assignment_in_method() {
+    addNamedSource('/lib.dart', 'library lib;');
+    Source source = addSource('''
+import 'lib.dart' as p;
+class C {
+  f() {
+    p = 1;
+  }
+}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.PREFIX_IDENTIFIER_NOT_FOLLOWED_BY_DOT]);
+    verify([source]);
+  }
+
+  void test_prefix_assignment_not_in_method() {
+    addNamedSource('/lib.dart', 'library lib;');
+    Source source = addSource('''
+import 'lib.dart' as p;
+f() {
+  p = 1;
+}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.PREFIX_IDENTIFIER_NOT_FOLLOWED_BY_DOT]);
+    verify([source]);
+  }
+
+  void test_prefix_conditionalPropertyAccess_call() {
+    addNamedSource(
+        '/lib.dart',
+        '''
+library lib;
+g() {}
+''');
+    Source source = addSource('''
+import 'lib.dart' as p;
+f() {
+  p?.g();
+}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.PREFIX_IDENTIFIER_NOT_FOLLOWED_BY_DOT]);
+    verify([source]);
+  }
+
+  void test_prefix_conditionalPropertyAccess_call_loadLibrary() {
+    addNamedSource(
+        '/lib.dart',
+        '''
+library lib;
+''');
+    Source source = addSource('''
+import 'lib.dart' deferred as p;
+f() {
+  p?.loadLibrary();
+}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.PREFIX_IDENTIFIER_NOT_FOLLOWED_BY_DOT]);
+    verify([source]);
+  }
+
+  void test_prefix_conditionalPropertyAccess_get() {
+    addNamedSource(
+        '/lib.dart',
+        '''
+library lib;
+var x;
+''');
+    Source source = addSource('''
+import 'lib.dart' as p;
+f() {
+  return p?.x;
+}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.PREFIX_IDENTIFIER_NOT_FOLLOWED_BY_DOT]);
+    verify([source]);
+  }
+
+  void test_prefix_conditionalPropertyAccess_get_loadLibrary() {
+    addNamedSource(
+        '/lib.dart',
+        '''
+library lib;
+''');
+    Source source = addSource('''
+import 'lib.dart' deferred as p;
+f() {
+  return p?.loadLibrary;
+}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.PREFIX_IDENTIFIER_NOT_FOLLOWED_BY_DOT]);
+    verify([source]);
+  }
+
+  void test_prefix_conditionalPropertyAccess_set() {
+    addNamedSource(
+        '/lib.dart',
+        '''
+library lib;
+var x;
+''');
+    Source source = addSource('''
+import 'lib.dart' as p;
+f() {
+  p?.x = null;
+}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.PREFIX_IDENTIFIER_NOT_FOLLOWED_BY_DOT]);
+    verify([source]);
+  }
+
+  void test_prefix_conditionalPropertyAccess_set_loadLibrary() {
+    addNamedSource(
+        '/lib.dart',
+        '''
+library lib;
+''');
+    Source source = addSource('''
+import 'lib.dart' deferred as p;
+f() {
+  p?.loadLibrary = null;
+}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.PREFIX_IDENTIFIER_NOT_FOLLOWED_BY_DOT]);
+    verify([source]);
+  }
+
+  void test_prefix_unqualified_invocation_in_method() {
+    addNamedSource('/lib.dart', 'librarylib;');
+    Source source = addSource('''
+import 'lib.dart' as p;
+class C {
+  f() {
+    p();
+  }
+}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.PREFIX_IDENTIFIER_NOT_FOLLOWED_BY_DOT]);
+    verify([source]);
+  }
+
+  void test_prefix_unqualified_invocation_not_in_method() {
+    addNamedSource('/lib.dart', 'librarylib;');
+    Source source = addSource('''
+import 'lib.dart' as p;
+f() {
+  p();
+}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.PREFIX_IDENTIFIER_NOT_FOLLOWED_BY_DOT]);
+    verify([source]);
+  }
+
+  void test_prefixCollidesWithTopLevelMembers_functionTypeAlias() {
+    addNamedSource(
+        "/lib.dart",
+        r'''
+library lib;
+class A{}''');
+    Source source = addSource(r'''
+import 'lib.dart' as p;
+typedef p();
+p.A a;''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.PREFIX_COLLIDES_WITH_TOP_LEVEL_MEMBER]);
+    verify([source]);
+  }
+
+  void test_prefixCollidesWithTopLevelMembers_topLevelFunction() {
+    addNamedSource(
+        "/lib.dart",
+        r'''
+library lib;
+class A{}''');
+    Source source = addSource(r'''
+import 'lib.dart' as p;
+p() {}
+p.A a;''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.PREFIX_COLLIDES_WITH_TOP_LEVEL_MEMBER]);
+    verify([source]);
+  }
+
+  void test_prefixCollidesWithTopLevelMembers_topLevelVariable() {
+    addNamedSource(
+        "/lib.dart",
+        r'''
+library lib;
+class A{}''');
+    Source source = addSource(r'''
+import 'lib.dart' as p;
+var p = null;
+p.A a;''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.PREFIX_COLLIDES_WITH_TOP_LEVEL_MEMBER]);
+    verify([source]);
+  }
+
+  void test_prefixCollidesWithTopLevelMembers_type() {
+    addNamedSource(
+        "/lib.dart",
+        r'''
+library lib;
+class A{}''');
+    Source source = addSource(r'''
+import 'lib.dart' as p;
+class p {}
+p.A a;''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.PREFIX_COLLIDES_WITH_TOP_LEVEL_MEMBER]);
+    verify([source]);
+  }
+
+  void test_prefixNotFollowedByDot() {
+    addNamedSource('/lib.dart', 'library lib;');
+    Source source = addSource('''
+import 'lib.dart' as p;
+f() {
+  return p;
+}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.PREFIX_IDENTIFIER_NOT_FOLLOWED_BY_DOT]);
+    verify([source]);
+  }
+
+  void test_prefixNotFollowedByDot_compoundAssignment() {
+    addNamedSource('/lib.dart', 'library lib;');
+    Source source = addSource('''
+import 'lib.dart' as p;
+f() {
+  p += 1;
+}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.PREFIX_IDENTIFIER_NOT_FOLLOWED_BY_DOT]);
+    verify([source]);
+  }
+
+  void test_prefixNotFollowedByDot_conditionalMethodInvocation() {
+    addNamedSource(
+        '/lib.dart',
+        '''
+library lib;
+g() {}
+''');
+    Source source = addSource('''
+import 'lib.dart' as p;
+f() {
+  p?.g();
+}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.PREFIX_IDENTIFIER_NOT_FOLLOWED_BY_DOT]);
+    verify([source]);
+  }
+
+  void test_privateOptionalParameter() {
+    Source source = addSource("f({var _p}) {}");
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.PRIVATE_OPTIONAL_PARAMETER]);
+    verify([source]);
+  }
+
+  void test_privateOptionalParameter_fieldFormal() {
+    Source source = addSource(r'''
+class A {
+  var _p;
+  A({this._p: 0});
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.PRIVATE_OPTIONAL_PARAMETER]);
+    verify([source]);
+  }
+
+  void test_privateOptionalParameter_withDefaultValue() {
+    Source source = addSource("f({_p : 0}) {}");
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.PRIVATE_OPTIONAL_PARAMETER]);
+    verify([source]);
+  }
+
+  void test_recursiveCompileTimeConstant() {
+    Source source = addSource(r'''
+class A {
+  const A();
+  final m = const A();
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.RECURSIVE_COMPILE_TIME_CONSTANT]);
+    verify([source]);
+  }
+
+  void test_recursiveCompileTimeConstant_cycle() {
+    Source source = addSource(r'''
+const x = y + 1;
+const y = x + 1;''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.RECURSIVE_COMPILE_TIME_CONSTANT,
+      CompileTimeErrorCode.RECURSIVE_COMPILE_TIME_CONSTANT
+    ]);
+    verify([source]);
+  }
+
+  void test_recursiveCompileTimeConstant_initializer_after_toplevel_var() {
+    Source source = addSource('''
+const y = const C();
+class C {
+  const C() : x = y;
+  final x;
+}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.RECURSIVE_COMPILE_TIME_CONSTANT]);
+    verify([source]);
+  }
+
+  void test_recursiveCompileTimeConstant_singleVariable() {
+    Source source = addSource(r'''
+const x = x;
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.RECURSIVE_COMPILE_TIME_CONSTANT]);
+    verify([source]);
+  }
+
+  void test_recursiveConstructorRedirect() {
+    Source source = addSource(r'''
+class A {
+  A.a() : this.b();
+  A.b() : this.a();
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.RECURSIVE_CONSTRUCTOR_REDIRECT,
+      CompileTimeErrorCode.RECURSIVE_CONSTRUCTOR_REDIRECT
+    ]);
+    verify([source]);
+  }
+
+  void test_recursiveConstructorRedirect_directSelfReference() {
+    Source source = addSource(r'''
+class A {
+  A() : this();
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.RECURSIVE_CONSTRUCTOR_REDIRECT]);
+    verify([source]);
+  }
+
+  void test_recursiveFactoryRedirect() {
+    Source source = addSource(r'''
+class A implements B {
+  factory A() = C;
+}
+class B implements C {
+  factory B() = A;
+}
+class C implements A {
+  factory C() = B;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.RECURSIVE_FACTORY_REDIRECT,
+      CompileTimeErrorCode.RECURSIVE_FACTORY_REDIRECT,
+      CompileTimeErrorCode.RECURSIVE_FACTORY_REDIRECT,
+      CompileTimeErrorCode.RECURSIVE_INTERFACE_INHERITANCE,
+      CompileTimeErrorCode.RECURSIVE_INTERFACE_INHERITANCE,
+      CompileTimeErrorCode.RECURSIVE_INTERFACE_INHERITANCE
+    ]);
+    verify([source]);
+  }
+
+  void test_recursiveFactoryRedirect_directSelfReference() {
+    Source source = addSource(r'''
+class A {
+  factory A() = A;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.RECURSIVE_FACTORY_REDIRECT]);
+    verify([source]);
+  }
+
+  void test_recursiveFactoryRedirect_diverging() {
+    // Analysis should terminate even though the redirections don't reach a
+    // fixed point.  (C<int> redirects to C<C<int>>, then to C<C<C<int>>>, and
+    // so on).
+    Source source = addSource('''
+class C<T> {
+  const factory C() = C<C<T>>;
+}
+main() {
+  const C<int>();
+}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.RECURSIVE_FACTORY_REDIRECT]);
+    verify([source]);
+  }
+
+  void test_recursiveFactoryRedirect_generic() {
+    Source source = addSource(r'''
+class A<T> implements B<T> {
+  factory A() = C;
+}
+class B<T> implements C<T> {
+  factory B() = A;
+}
+class C<T> implements A<T> {
+  factory C() = B;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.RECURSIVE_FACTORY_REDIRECT,
+      CompileTimeErrorCode.RECURSIVE_FACTORY_REDIRECT,
+      CompileTimeErrorCode.RECURSIVE_FACTORY_REDIRECT,
+      CompileTimeErrorCode.RECURSIVE_INTERFACE_INHERITANCE,
+      CompileTimeErrorCode.RECURSIVE_INTERFACE_INHERITANCE,
+      CompileTimeErrorCode.RECURSIVE_INTERFACE_INHERITANCE
+    ]);
+    verify([source]);
+  }
+
+  void test_recursiveFactoryRedirect_named() {
+    Source source = addSource(r'''
+class A implements B {
+  factory A.nameA() = C.nameC;
+}
+class B implements C {
+  factory B.nameB() = A.nameA;
+}
+class C implements A {
+  factory C.nameC() = B.nameB;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.RECURSIVE_FACTORY_REDIRECT,
+      CompileTimeErrorCode.RECURSIVE_FACTORY_REDIRECT,
+      CompileTimeErrorCode.RECURSIVE_FACTORY_REDIRECT,
+      CompileTimeErrorCode.RECURSIVE_INTERFACE_INHERITANCE,
+      CompileTimeErrorCode.RECURSIVE_INTERFACE_INHERITANCE,
+      CompileTimeErrorCode.RECURSIVE_INTERFACE_INHERITANCE
+    ]);
+    verify([source]);
+  }
+
+  /**
+   * "A" references "C" which has cycle with "B". But we should not report problem for "A" - it is
+   * not the part of a cycle.
+   */
+  void test_recursiveFactoryRedirect_outsideCycle() {
+    Source source = addSource(r'''
+class A {
+  factory A() = C;
+}
+class B implements C {
+  factory B() = C;
+}
+class C implements A, B {
+  factory C() = B;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.RECURSIVE_FACTORY_REDIRECT,
+      CompileTimeErrorCode.RECURSIVE_FACTORY_REDIRECT,
+      CompileTimeErrorCode.RECURSIVE_INTERFACE_INHERITANCE,
+      CompileTimeErrorCode.RECURSIVE_INTERFACE_INHERITANCE
+    ]);
+    verify([source]);
+  }
+
+  void test_recursiveInterfaceInheritance_extends() {
+    Source source = addSource(r'''
+class A extends B {}
+class B extends A {}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.RECURSIVE_INTERFACE_INHERITANCE,
+      CompileTimeErrorCode.RECURSIVE_INTERFACE_INHERITANCE
+    ]);
+    verify([source]);
+  }
+
+  void test_recursiveInterfaceInheritance_extends_implements() {
+    Source source = addSource(r'''
+class A extends B {}
+class B implements A {}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.RECURSIVE_INTERFACE_INHERITANCE,
+      CompileTimeErrorCode.RECURSIVE_INTERFACE_INHERITANCE
+    ]);
+    verify([source]);
+  }
+
+  void test_recursiveInterfaceInheritance_implements() {
+    Source source = addSource(r'''
+class A implements B {}
+class B implements A {}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.RECURSIVE_INTERFACE_INHERITANCE,
+      CompileTimeErrorCode.RECURSIVE_INTERFACE_INHERITANCE
+    ]);
+    verify([source]);
+  }
+
+  void test_recursiveInterfaceInheritance_mixin() {
+    Source source = addSource(r'''
+class M1 = Object with M2;
+class M2 = Object with M1;''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.RECURSIVE_INTERFACE_INHERITANCE,
+      CompileTimeErrorCode.RECURSIVE_INTERFACE_INHERITANCE
+    ]);
+    verify([source]);
+  }
+
+  void test_recursiveInterfaceInheritance_mixin_superclass() {
+    // Make sure we don't get CompileTimeErrorCode.MIXIN_HAS_NO_CONSTRUCTORS in
+    // addition--that would just be confusing.
+    Source source = addSource('''
+class C = D with M;
+class D = C with M;
+class M {}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.RECURSIVE_INTERFACE_INHERITANCE,
+      CompileTimeErrorCode.RECURSIVE_INTERFACE_INHERITANCE
+    ]);
+    verify([source]);
+  }
+
+  void test_recursiveInterfaceInheritance_tail() {
+    Source source = addSource(r'''
+abstract class A implements A {}
+class B implements A {}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.RECURSIVE_INTERFACE_INHERITANCE_BASE_CASE_IMPLEMENTS
+    ]);
+    verify([source]);
+  }
+
+  void test_recursiveInterfaceInheritance_tail2() {
+    Source source = addSource(r'''
+abstract class A implements B {}
+abstract class B implements A {}
+class C implements A {}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.RECURSIVE_INTERFACE_INHERITANCE,
+      CompileTimeErrorCode.RECURSIVE_INTERFACE_INHERITANCE
+    ]);
+    verify([source]);
+  }
+
+  void test_recursiveInterfaceInheritance_tail3() {
+    Source source = addSource(r'''
+abstract class A implements B {}
+abstract class B implements C {}
+abstract class C implements A {}
+class D implements A {}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.RECURSIVE_INTERFACE_INHERITANCE,
+      CompileTimeErrorCode.RECURSIVE_INTERFACE_INHERITANCE,
+      CompileTimeErrorCode.RECURSIVE_INTERFACE_INHERITANCE
+    ]);
+    verify([source]);
+  }
+
+  void test_recursiveInterfaceInheritanceBaseCaseExtends() {
+    Source source = addSource("class A extends A {}");
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.RECURSIVE_INTERFACE_INHERITANCE_BASE_CASE_EXTENDS
+    ]);
+    verify([source]);
+  }
+
+  void test_recursiveInterfaceInheritanceBaseCaseImplements() {
+    Source source = addSource("class A implements A {}");
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.RECURSIVE_INTERFACE_INHERITANCE_BASE_CASE_IMPLEMENTS
+    ]);
+    verify([source]);
+  }
+
+  void test_recursiveInterfaceInheritanceBaseCaseImplements_typeAlias() {
+    Source source = addSource(r'''
+class A {}
+class M {}
+class B = A with M implements B;''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.RECURSIVE_INTERFACE_INHERITANCE_BASE_CASE_IMPLEMENTS
+    ]);
+    verify([source]);
+  }
+
+  void test_recursiveInterfaceInheritanceBaseCaseWith() {
+    Source source = addSource("class M = Object with M;");
+    computeLibrarySourceErrors(source);
+    assertErrors(source,
+        [CompileTimeErrorCode.RECURSIVE_INTERFACE_INHERITANCE_BASE_CASE_WITH]);
+    verify([source]);
+  }
+
+  void test_redirectGenerativeToMissingConstructor() {
+    Source source = addSource(r'''
+class A {
+  A() : this.noSuchConstructor();
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source,
+        [CompileTimeErrorCode.REDIRECT_GENERATIVE_TO_MISSING_CONSTRUCTOR]);
+  }
+
+  void test_redirectGenerativeToNonGenerativeConstructor() {
+    Source source = addSource(r'''
+class A {
+  A() : this.x();
+  factory A.x() => null;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.REDIRECT_GENERATIVE_TO_NON_GENERATIVE_CONSTRUCTOR
+    ]);
+    verify([source]);
+  }
+
+  void test_redirectToMissingConstructor_named() {
+    Source source = addSource(r'''
+class A implements B{
+  A() {}
+}
+class B {
+  const factory B() = A.name;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.REDIRECT_TO_MISSING_CONSTRUCTOR]);
+  }
+
+  void test_redirectToMissingConstructor_unnamed() {
+    Source source = addSource(r'''
+class A implements B{
+  A.name() {}
+}
+class B {
+  const factory B() = A;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.REDIRECT_TO_MISSING_CONSTRUCTOR]);
+  }
+
+  void test_redirectToNonClass_notAType() {
+    Source source = addSource(r'''
+int A;
+class B {
+  const factory B() = A;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.REDIRECT_TO_NON_CLASS]);
+    verify([source]);
+  }
+
+  void test_redirectToNonClass_undefinedIdentifier() {
+    Source source = addSource(r'''
+class B {
+  const factory B() = A;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.REDIRECT_TO_NON_CLASS]);
+    verify([source]);
+  }
+
+  void test_redirectToNonConstConstructor() {
+    Source source = addSource(r'''
+class A {
+  A.a() {}
+  const factory A.b() = A.a;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.REDIRECT_TO_NON_CONST_CONSTRUCTOR]);
+    verify([source]);
+  }
+
+  void test_referencedBeforeDeclaration_hideInBlock_function() {
+    Source source = addSource(r'''
+var v = 1;
+main() {
+  print(v);
+  v() {}
+}
+print(x) {}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.REFERENCED_BEFORE_DECLARATION]);
+  }
+
+  void test_referencedBeforeDeclaration_hideInBlock_local() {
+    Source source = addSource(r'''
+var v = 1;
+main() {
+  print(v);
+  var v = 2;
+}
+print(x) {}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.REFERENCED_BEFORE_DECLARATION]);
+  }
+
+  void test_referencedBeforeDeclaration_hideInBlock_subBlock() {
+    Source source = addSource(r'''
+var v = 1;
+main() {
+  {
+    print(v);
+  }
+  var v = 2;
+}
+print(x) {}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.REFERENCED_BEFORE_DECLARATION]);
+  }
+
+  void test_referencedBeforeDeclaration_inInitializer_closure() {
+    Source source = addSource(r'''
+main() {
+  var v = () => v;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.REFERENCED_BEFORE_DECLARATION]);
+  }
+
+  void test_referencedBeforeDeclaration_inInitializer_directly() {
+    Source source = addSource(r'''
+main() {
+  var v = v;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.REFERENCED_BEFORE_DECLARATION]);
+  }
+
+  void test_rethrowOutsideCatch() {
+    Source source = addSource(r'''
+f() {
+  rethrow;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.RETHROW_OUTSIDE_CATCH]);
+    verify([source]);
+  }
+
+  void test_returnInGenerativeConstructor() {
+    Source source = addSource(r'''
+class A {
+  A() { return 0; }
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.RETURN_IN_GENERATIVE_CONSTRUCTOR]);
+    verify([source]);
+  }
+
+  void test_returnInGenerativeConstructor_expressionFunctionBody() {
+    Source source = addSource(r'''
+class A {
+  A() => null;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.RETURN_IN_GENERATIVE_CONSTRUCTOR]);
+    verify([source]);
+  }
+
+  void test_returnInGenerator_asyncStar() {
+    Source source = addSource(r'''
+f() async* {
+  return 0;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.RETURN_IN_GENERATOR]);
+    verify([source]);
+  }
+
+  void test_returnInGenerator_syncStar() {
+    Source source = addSource(r'''
+f() sync* {
+  return 0;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.RETURN_IN_GENERATOR]);
+    verify([source]);
+  }
+
+  void test_sharedDeferredPrefix() {
+    resolveWithErrors(<String>[
+      r'''
+library lib1;
+f1() {}''',
+      r'''
+library lib2;
+f2() {}''',
+      r'''
+library root;
+import 'lib1.dart' deferred as lib;
+import 'lib2.dart' as lib;
+main() { lib.f1(); lib.f2(); }'''
+    ], <ErrorCode>[
+      CompileTimeErrorCode.SHARED_DEFERRED_PREFIX
+    ]);
+  }
+
+  void test_superInInvalidContext_binaryExpression() {
+    Source source = addSource("var v = super + 0;");
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.SUPER_IN_INVALID_CONTEXT]);
+    // no verify(), 'super.v' is not resolved
+  }
+
+  void test_superInInvalidContext_constructorFieldInitializer() {
+    Source source = addSource(r'''
+class A {
+  m() {}
+}
+class B extends A {
+  var f;
+  B() : f = super.m();
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.SUPER_IN_INVALID_CONTEXT]);
+    // no verify(), 'super.m' is not resolved
+  }
+
+  void test_superInInvalidContext_factoryConstructor() {
+    Source source = addSource(r'''
+class A {
+  m() {}
+}
+class B extends A {
+  factory B() {
+    super.m();
+  }
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.SUPER_IN_INVALID_CONTEXT]);
+    // no verify(), 'super.m' is not resolved
+  }
+
+  void test_superInInvalidContext_instanceVariableInitializer() {
+    Source source = addSource(r'''
+class A {
+  var a;
+}
+class B extends A {
+ var b = super.a;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.SUPER_IN_INVALID_CONTEXT]);
+    // no verify(), 'super.a' is not resolved
+  }
+
+  void test_superInInvalidContext_staticMethod() {
+    Source source = addSource(r'''
+class A {
+  static m() {}
+}
+class B extends A {
+  static n() { return super.m(); }
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.SUPER_IN_INVALID_CONTEXT]);
+    // no verify(), 'super.m' is not resolved
+  }
+
+  void test_superInInvalidContext_staticVariableInitializer() {
+    Source source = addSource(r'''
+class A {
+  static int a = 0;
+}
+class B extends A {
+  static int b = super.a;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.SUPER_IN_INVALID_CONTEXT]);
+    // no verify(), 'super.a' is not resolved
+  }
+
+  void test_superInInvalidContext_topLevelFunction() {
+    Source source = addSource(r'''
+f() {
+  super.f();
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.SUPER_IN_INVALID_CONTEXT]);
+    // no verify(), 'super.f' is not resolved
+  }
+
+  void test_superInInvalidContext_topLevelVariableInitializer() {
+    Source source = addSource("var v = super.y;");
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.SUPER_IN_INVALID_CONTEXT]);
+    // no verify(), 'super.y' is not resolved
+  }
+
+  void test_superInRedirectingConstructor_redirectionSuper() {
+    Source source = addSource(r'''
+class A {}
+class B {
+  B() : this.name(), super();
+  B.name() {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.SUPER_IN_REDIRECTING_CONSTRUCTOR]);
+    verify([source]);
+  }
+
+  void test_superInRedirectingConstructor_superRedirection() {
+    Source source = addSource(r'''
+class A {}
+class B {
+  B() : super(), this.name();
+  B.name() {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.SUPER_IN_REDIRECTING_CONSTRUCTOR]);
+    verify([source]);
+  }
+
+  void test_symbol_constructor_badArgs() {
+    Source source = addSource(r'''
+var s1 = const Symbol('3');
+var s2 = const Symbol(3);
+var s3 = const Symbol();
+var s4 = const Symbol('x', 'y');
+var s5 = const Symbol('x', foo: 'x');''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION,
+      CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION,
+      StaticWarningCode.ARGUMENT_TYPE_NOT_ASSIGNABLE,
+      CompileTimeErrorCode.NOT_ENOUGH_REQUIRED_ARGUMENTS,
+      CompileTimeErrorCode.EXTRA_POSITIONAL_ARGUMENTS,
+      CompileTimeErrorCode.UNDEFINED_NAMED_PARAMETER
+    ]);
+    verify([source]);
+  }
+
+  void test_typeAliasCannotReferenceItself_11987() {
+    Source source = addSource(r'''
+typedef void F(List<G> l);
+typedef void G(List<F> l);
+main() {
+  F foo(G g) => g;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.TYPE_ALIAS_CANNOT_REFERENCE_ITSELF,
+      CompileTimeErrorCode.TYPE_ALIAS_CANNOT_REFERENCE_ITSELF
+    ]);
+    verify([source]);
+  }
+
+  void test_typeAliasCannotReferenceItself_19459() {
+    // A complex example involving multiple classes.  This is legal, since
+    // typedef F references itself only via a class.
+    Source source = addSource(r'''
+class A<B, C> {}
+abstract class D {
+  f(E e);
+}
+abstract class E extends A<dynamic, F> {}
+typedef D F();
+''');
+    computeLibrarySourceErrors(source);
+    assertNoErrors(source);
+    verify([source]);
+  }
+
+  void test_typeAliasCannotReferenceItself_parameterType_named() {
+    Source source = addSource("typedef A({A a});");
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.TYPE_ALIAS_CANNOT_REFERENCE_ITSELF]);
+    verify([source]);
+  }
+
+  void test_typeAliasCannotReferenceItself_parameterType_positional() {
+    Source source = addSource("typedef A([A a]);");
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.TYPE_ALIAS_CANNOT_REFERENCE_ITSELF]);
+    verify([source]);
+  }
+
+  void test_typeAliasCannotReferenceItself_parameterType_required() {
+    Source source = addSource("typedef A(A a);");
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.TYPE_ALIAS_CANNOT_REFERENCE_ITSELF]);
+    verify([source]);
+  }
+
+  void test_typeAliasCannotReferenceItself_parameterType_typeArgument() {
+    Source source = addSource("typedef A(List<A> a);");
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.TYPE_ALIAS_CANNOT_REFERENCE_ITSELF]);
+    verify([source]);
+  }
+
+  void test_typeAliasCannotReferenceItself_returnClass_withTypeAlias() {
+    // A typedef is allowed to indirectly reference itself via a class.
+    Source source = addSource(r'''
+typedef C A();
+typedef A B();
+class C {
+  B a;
+}''');
+    computeLibrarySourceErrors(source);
+    assertNoErrors(source);
+    verify([source]);
+  }
+
+  void test_typeAliasCannotReferenceItself_returnType() {
+    Source source = addSource("typedef A A();");
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.TYPE_ALIAS_CANNOT_REFERENCE_ITSELF]);
+    verify([source]);
+  }
+
+  void test_typeAliasCannotReferenceItself_returnType_indirect() {
+    Source source = addSource(r'''
+typedef B A();
+typedef A B();''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.TYPE_ALIAS_CANNOT_REFERENCE_ITSELF,
+      CompileTimeErrorCode.TYPE_ALIAS_CANNOT_REFERENCE_ITSELF
+    ]);
+    verify([source]);
+  }
+
+  void test_typeAliasCannotReferenceItself_typeVariableBounds() {
+    Source source = addSource("typedef A<T extends A>();");
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.TYPE_ALIAS_CANNOT_REFERENCE_ITSELF]);
+    verify([source]);
+  }
+
+  void test_typeArgumentNotMatchingBounds_const() {
+    Source source = addSource(r'''
+class A {}
+class B {}
+class G<E extends A> {
+  const G();
+}
+f() { return const G<B>(); }''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.TYPE_ARGUMENT_NOT_MATCHING_BOUNDS]);
+    verify([source]);
+  }
+
+  void test_undefinedClass_const() {
+    Source source = addSource(r'''
+f() {
+  return const A();
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.UNDEFINED_CLASS]);
+    verify([source]);
+  }
+
+  void test_undefinedConstructorInInitializer_explicit_named() {
+    Source source = addSource(r'''
+class A {}
+class B extends A {
+  B() : super.named();
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.UNDEFINED_CONSTRUCTOR_IN_INITIALIZER]);
+    // no verify(), "super.named()" is not resolved
+  }
+
+  void test_undefinedConstructorInInitializer_explicit_unnamed() {
+    Source source = addSource(r'''
+class A {
+  A.named() {}
+}
+class B extends A {
+  B() : super();
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source,
+        [CompileTimeErrorCode.UNDEFINED_CONSTRUCTOR_IN_INITIALIZER_DEFAULT]);
+    verify([source]);
+  }
+
+  void test_undefinedConstructorInInitializer_implicit() {
+    Source source = addSource(r'''
+class A {
+  A.named() {}
+}
+class B extends A {
+  B();
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source,
+        [CompileTimeErrorCode.UNDEFINED_CONSTRUCTOR_IN_INITIALIZER_DEFAULT]);
+    verify([source]);
+  }
+
+  void test_undefinedNamedParameter() {
+    Source source = addSource(r'''
+class A {
+  const A();
+}
+main() {
+  const A(p: 0);
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.UNDEFINED_NAMED_PARAMETER]);
+    // no verify(), 'p' is not resolved
+  }
+
+  void test_uriDoesNotExist_export() {
+    Source source = addSource("export 'unknown.dart';");
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.URI_DOES_NOT_EXIST]);
+  }
+
+  void test_uriDoesNotExist_import() {
+    Source source = addSource("import 'unknown.dart';");
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.URI_DOES_NOT_EXIST]);
+  }
+
+  void test_uriDoesNotExist_part() {
+    Source source = addSource(r'''
+library lib;
+part 'unknown.dart';''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.URI_DOES_NOT_EXIST]);
+  }
+
+  void test_uriWithInterpolation_constant() {
+    Source source = addSource("import 'stuff_\$platform.dart';");
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.URI_WITH_INTERPOLATION,
+      StaticWarningCode.UNDEFINED_IDENTIFIER
+    ]);
+    // We cannot verify resolution with an unresolvable
+    // URI: 'stuff_$platform.dart'
+  }
+
+  void test_uriWithInterpolation_nonConstant() {
+    Source source = addSource(r'''
+library lib;
+part '${'a'}.dart';''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [CompileTimeErrorCode.URI_WITH_INTERPOLATION]);
+    // We cannot verify resolution with an unresolvable URI: '${'a'}.dart'
+  }
+
+  void test_wrongNumberOfParametersForOperator1() {
+    _check_wrongNumberOfParametersForOperator1("<");
+    _check_wrongNumberOfParametersForOperator1(">");
+    _check_wrongNumberOfParametersForOperator1("<=");
+    _check_wrongNumberOfParametersForOperator1(">=");
+    _check_wrongNumberOfParametersForOperator1("+");
+    _check_wrongNumberOfParametersForOperator1("/");
+    _check_wrongNumberOfParametersForOperator1("~/");
+    _check_wrongNumberOfParametersForOperator1("*");
+    _check_wrongNumberOfParametersForOperator1("%");
+    _check_wrongNumberOfParametersForOperator1("|");
+    _check_wrongNumberOfParametersForOperator1("^");
+    _check_wrongNumberOfParametersForOperator1("&");
+    _check_wrongNumberOfParametersForOperator1("<<");
+    _check_wrongNumberOfParametersForOperator1(">>");
+    _check_wrongNumberOfParametersForOperator1("[]");
+  }
+
+  void test_wrongNumberOfParametersForOperator_minus() {
+    Source source = addSource(r'''
+class A {
+  operator -(a, b) {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source,
+        [CompileTimeErrorCode.WRONG_NUMBER_OF_PARAMETERS_FOR_OPERATOR_MINUS]);
+    verify([source]);
+    reset();
+  }
+
+  void test_wrongNumberOfParametersForOperator_tilde() {
+    _check_wrongNumberOfParametersForOperator("~", "a");
+    _check_wrongNumberOfParametersForOperator("~", "a, b");
+  }
+
+  void test_wrongNumberOfParametersForSetter_function_named() {
+    Source source = addSource("set x({p}) {}");
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.WRONG_NUMBER_OF_PARAMETERS_FOR_SETTER]);
+    verify([source]);
+  }
+
+  void test_wrongNumberOfParametersForSetter_function_optional() {
+    Source source = addSource("set x([p]) {}");
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.WRONG_NUMBER_OF_PARAMETERS_FOR_SETTER]);
+    verify([source]);
+  }
+
+  void test_wrongNumberOfParametersForSetter_function_tooFew() {
+    Source source = addSource("set x() {}");
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.WRONG_NUMBER_OF_PARAMETERS_FOR_SETTER]);
+    verify([source]);
+  }
+
+  void test_wrongNumberOfParametersForSetter_function_tooMany() {
+    Source source = addSource("set x(a, b) {}");
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.WRONG_NUMBER_OF_PARAMETERS_FOR_SETTER]);
+    verify([source]);
+  }
+
+  void test_wrongNumberOfParametersForSetter_method_named() {
+    Source source = addSource(r'''
+class A {
+  set x({p}) {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.WRONG_NUMBER_OF_PARAMETERS_FOR_SETTER]);
+    verify([source]);
+  }
+
+  void test_wrongNumberOfParametersForSetter_method_optional() {
+    Source source = addSource(r'''
+class A {
+  set x([p]) {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.WRONG_NUMBER_OF_PARAMETERS_FOR_SETTER]);
+    verify([source]);
+  }
+
+  void test_wrongNumberOfParametersForSetter_method_tooFew() {
+    Source source = addSource(r'''
+class A {
+  set x() {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.WRONG_NUMBER_OF_PARAMETERS_FOR_SETTER]);
+    verify([source]);
+  }
+
+  void test_wrongNumberOfParametersForSetter_method_tooMany() {
+    Source source = addSource(r'''
+class A {
+  set x(a, b) {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.WRONG_NUMBER_OF_PARAMETERS_FOR_SETTER]);
+    verify([source]);
+  }
+
+  void test_yield_used_as_identifier_in_async_method() {
+    Source source = addSource('''
+f() async {
+  var yield = 1;
+}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [ParserErrorCode.ASYNC_KEYWORD_USED_AS_IDENTIFIER]);
+    verify([source]);
+  }
+
+  void test_yield_used_as_identifier_in_async_star_method() {
+    Source source = addSource('''
+f() async* {
+  var yield = 1;
+}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [ParserErrorCode.ASYNC_KEYWORD_USED_AS_IDENTIFIER]);
+    verify([source]);
+  }
+
+  void test_yield_used_as_identifier_in_sync_star_method() {
+    Source source = addSource('''
+f() sync* {
+  var yield = 1;
+}
+''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [ParserErrorCode.ASYNC_KEYWORD_USED_AS_IDENTIFIER]);
+    verify([source]);
+  }
+
+  void _check_constEvalThrowsException_binary_null(String expr, bool resolved) {
+    Source source = addSource("const C = $expr;");
+    computeLibrarySourceErrors(source);
+    if (resolved) {
+      assertErrors(source, [CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION]);
+      verify([source]);
+    } else {
+      assertErrors(source, [CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION]);
+      // no verify(), 'null x' is not resolved
+    }
+    reset();
+  }
+
+  void _check_constEvalTypeBool_withParameter_binary(String expr) {
+    Source source = addSource('''
+class A {
+  final a;
+  const A(bool p) : a = $expr;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.CONST_EVAL_TYPE_BOOL,
+      StaticTypeWarningCode.NON_BOOL_OPERAND
+    ]);
+    verify([source]);
+    reset();
+  }
+
+  void _check_constEvalTypeInt_withParameter_binary(String expr) {
+    Source source = addSource('''
+class A {
+  final a;
+  const A(int p) : a = $expr;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.CONST_EVAL_TYPE_INT,
+      StaticWarningCode.ARGUMENT_TYPE_NOT_ASSIGNABLE
+    ]);
+    verify([source]);
+    reset();
+  }
+
+  void _check_constEvalTypeNum_withParameter_binary(String expr) {
+    Source source = addSource('''
+class A {
+  final a;
+  const A(num p) : a = $expr;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [
+      CompileTimeErrorCode.CONST_EVAL_TYPE_NUM,
+      StaticWarningCode.ARGUMENT_TYPE_NOT_ASSIGNABLE
+    ]);
+    verify([source]);
+    reset();
+  }
+
+  void _check_wrongNumberOfParametersForOperator(
+      String name, String parameters) {
+    Source source = addSource('''
+class A {
+  operator $name($parameters) {}
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(
+        source, [CompileTimeErrorCode.WRONG_NUMBER_OF_PARAMETERS_FOR_OPERATOR]);
+    verify([source]);
+    reset();
+  }
+
+  void _check_wrongNumberOfParametersForOperator1(String name) {
+    _check_wrongNumberOfParametersForOperator(name, "");
+    _check_wrongNumberOfParametersForOperator(name, "a, b");
+  }
+}