pkg/analyzer/test/generated/static_type_warning_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.static_type_warning_code_test;

import 'package:analyzer/src/generated/source_io.dart';
import 'package:analyzer/src/generated/error.dart';
import 'package:unittest/unittest.dart' as _ut;
import 'resolver_test.dart';
import 'test_support.dart';
import '../reflective_tests.dart';


class StaticTypeWarningCodeTest extends ResolverTestCase {
  void fail_inaccessibleSetter() {
    Source source = addSource(EngineTestCase.createSource([]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.INACCESSIBLE_SETTER]);
    verify([source]);
  }

  void fail_undefinedEnumConstant() {
    // We need a way to set the parseEnum flag in the parser to true.
    Source source = addSource(EngineTestCase.createSource(["enum E { ONE }", "E e() {", "  return E.TWO;", "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.UNDEFINED_ENUM_CONSTANT]);
    verify([source]);
  }

  void test_ambiguousImport_function() {
    Source source = addSource(EngineTestCase.createSource([
        "import 'lib1.dart';",
        "import 'lib2.dart';",
        "g() { return f(); }"]));
    addNamedSource("/lib1.dart", EngineTestCase.createSource(["library lib1;", "f() {}"]));
    addNamedSource("/lib2.dart", EngineTestCase.createSource(["library lib2;", "f() {}"]));
    resolve(source);
    assertErrors(source, [StaticWarningCode.AMBIGUOUS_IMPORT]);
  }

  void test_expectedOneListTypeArgument() {
    Source source = addSource(EngineTestCase.createSource(["main() {", "  <int, int> [];", "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.EXPECTED_ONE_LIST_TYPE_ARGUMENTS]);
    verify([source]);
  }

  void test_expectedTwoMapTypeArguments_one() {
    Source source = addSource(EngineTestCase.createSource(["main() {", "  <int> {};", "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.EXPECTED_TWO_MAP_TYPE_ARGUMENTS]);
    verify([source]);
  }

  void test_expectedTwoMapTypeArguments_three() {
    Source source = addSource(EngineTestCase.createSource(["main() {", "  <int, int, int> {};", "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.EXPECTED_TWO_MAP_TYPE_ARGUMENTS]);
    verify([source]);
  }

  void test_inconsistentMethodInheritance_paramCount() {
    Source source = addSource(EngineTestCase.createSource([
        "abstract class A {",
        "  int x();",
        "}",
        "abstract class B {",
        "  int x(int y);",
        "}",
        "class C implements A, B {",
        "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.INCONSISTENT_METHOD_INHERITANCE]);
    verify([source]);
  }

  void test_inconsistentMethodInheritance_paramType() {
    Source source = addSource(EngineTestCase.createSource([
        "abstract class A {",
        "  x(int i);",
        "}",
        "abstract class B {",
        "  x(String s);",
        "}",
        "abstract class C implements A, B {}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.INCONSISTENT_METHOD_INHERITANCE]);
    verify([source]);
  }

  void test_inconsistentMethodInheritance_returnType() {
    Source source = addSource(EngineTestCase.createSource([
        "abstract class A {",
        "  int x();",
        "}",
        "abstract class B {",
        "  String x();",
        "}",
        "abstract class C implements A, B {}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.INCONSISTENT_METHOD_INHERITANCE]);
    verify([source]);
  }

  void test_instanceAccessToStaticMember_method_invocation() {
    Source source = addSource(EngineTestCase.createSource([
        "class A {",
        "  static m() {}",
        "}",
        "main(A a) {",
        "  a.m();",
        "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.INSTANCE_ACCESS_TO_STATIC_MEMBER]);
    verify([source]);
  }

  void test_instanceAccessToStaticMember_method_reference() {
    Source source = addSource(EngineTestCase.createSource([
        "class A {",
        "  static m() {}",
        "}",
        "main(A a) {",
        "  a.m;",
        "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.INSTANCE_ACCESS_TO_STATIC_MEMBER]);
    verify([source]);
  }

  void test_instanceAccessToStaticMember_propertyAccess_field() {
    Source source = addSource(EngineTestCase.createSource([
        "class A {",
        "  static var f;",
        "}",
        "main(A a) {",
        "  a.f;",
        "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.INSTANCE_ACCESS_TO_STATIC_MEMBER]);
    verify([source]);
  }

  void test_instanceAccessToStaticMember_propertyAccess_getter() {
    Source source = addSource(EngineTestCase.createSource([
        "class A {",
        "  static get f => 42;",
        "}",
        "main(A a) {",
        "  a.f;",
        "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.INSTANCE_ACCESS_TO_STATIC_MEMBER]);
    verify([source]);
  }

  void test_instanceAccessToStaticMember_propertyAccess_setter() {
    Source source = addSource(EngineTestCase.createSource([
        "class A {",
        "  static set f(x) {}",
        "}",
        "main(A a) {",
        "  a.f = 42;",
        "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.INSTANCE_ACCESS_TO_STATIC_MEMBER]);
    verify([source]);
  }

  void test_invalidAssignment_compoundAssignment() {
    Source source = addSource(EngineTestCase.createSource([
        "class byte {",
        "  int _value;",
        "  byte(this._value);",
        "  int operator +(int val) { return 0; }",
        "}",
        "",
        "void main() {",
        "  byte b = new byte(52);",
        "  b += 3;",
        "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.INVALID_ASSIGNMENT]);
    verify([source]);
  }

  void test_invalidAssignment_defaultValue_named() {
    Source source = addSource(EngineTestCase.createSource(["f({String x: 0}) {", "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.INVALID_ASSIGNMENT]);
    verify([source]);
  }

  void test_invalidAssignment_defaultValue_optional() {
    Source source = addSource(EngineTestCase.createSource(["f([String x = 0]) {", "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.INVALID_ASSIGNMENT]);
    verify([source]);
  }

  void test_invalidAssignment_instanceVariable() {
    Source source = addSource(EngineTestCase.createSource([
        "class A {",
        "  int x;",
        "}",
        "f() {",
        "  A a;",
        "  a.x = '0';",
        "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.INVALID_ASSIGNMENT]);
    verify([source]);
  }

  void test_invalidAssignment_localVariable() {
    Source source = addSource(EngineTestCase.createSource(["f() {", "  int x;", "  x = '0';", "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.INVALID_ASSIGNMENT]);
    verify([source]);
  }

  void test_invalidAssignment_regressionInIssue18468Fix() {
    // https://code.google.com/p/dart/issues/detail?id=18628
    Source source = addSource(EngineTestCase.createSource(["class C<T> {", "  T t = int;", "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.INVALID_ASSIGNMENT]);
    verify([source]);
  }

  void test_invalidAssignment_staticVariable() {
    Source source = addSource(EngineTestCase.createSource([
        "class A {",
        "  static int x;",
        "}",
        "f() {",
        "  A.x = '0';",
        "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.INVALID_ASSIGNMENT]);
    verify([source]);
  }

  void test_invalidAssignment_topLevelVariableDeclaration() {
    Source source = addSource(EngineTestCase.createSource(["int x = 'string';"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.INVALID_ASSIGNMENT]);
    verify([source]);
  }

  void test_invalidAssignment_typeParameter() {
    // 14221
    Source source = addSource(EngineTestCase.createSource([
        "class B<T> {",
        "  T value;",
        "  void test(num n) {",
        "    value = n;",
        "  }",
        "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.INVALID_ASSIGNMENT]);
    verify([source]);
  }

  void test_invalidAssignment_variableDeclaration() {
    Source source = addSource(EngineTestCase.createSource(["class A {", "  int x = 'string';", "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.INVALID_ASSIGNMENT]);
    verify([source]);
  }

  void test_invocationOfNonFunction_class() {
    Source source = addSource(EngineTestCase.createSource(["class A {", "  void m() {", "    A();", "  }", "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.INVOCATION_OF_NON_FUNCTION]);
  }

  void test_invocationOfNonFunction_localVariable() {
    Source source = addSource(EngineTestCase.createSource(["f() {", "  int x;", "  return x();", "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.INVOCATION_OF_NON_FUNCTION]);
    verify([source]);
  }

  void test_invocationOfNonFunction_ordinaryInvocation() {
    Source source = addSource(EngineTestCase.createSource([
        "class A {",
        "  static int x;",
        "}",
        "class B {",
        "  m() {",
        "    A.x();",
        "  }",
        "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.INVOCATION_OF_NON_FUNCTION]);
    // A call to verify(source) fails as A.x() cannot be resolved.
  }

  void test_invocationOfNonFunction_staticInvocation() {
    Source source = addSource(EngineTestCase.createSource([
        "class A {",
        "  static int get g => 0;",
        "  f() {",
        "    A.g();",
        "  }",
        "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.INVOCATION_OF_NON_FUNCTION]);
    // A call to verify(source) fails as g() cannot be resolved.
  }

  void test_invocationOfNonFunction_superExpression() {
    Source source = addSource(EngineTestCase.createSource([
        "class A {",
        "  int get g => 0;",
        "}",
        "class B extends A {",
        "  m() {",
        "    var v = super.g();",
        "  }",
        "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.INVOCATION_OF_NON_FUNCTION]);
    verify([source]);
  }

  void test_invocationOfNonFunctionExpression_literal() {
    Source source = addSource(EngineTestCase.createSource(["f() {", "  3(5);", "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.INVOCATION_OF_NON_FUNCTION_EXPRESSION]);
    verify([source]);
  }

  void test_nonBoolCondition_conditional() {
    Source source = addSource(EngineTestCase.createSource(["f() { return 3 ? 2 : 1; }"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.NON_BOOL_CONDITION]);
    verify([source]);
  }

  void test_nonBoolCondition_do() {
    Source source = addSource(EngineTestCase.createSource(["f() {", "  do {} while (3);", "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.NON_BOOL_CONDITION]);
    verify([source]);
  }

  void test_nonBoolCondition_if() {
    Source source = addSource(EngineTestCase.createSource(["f() {", "  if (3) return 2; else return 1;", "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.NON_BOOL_CONDITION]);
    verify([source]);
  }

  void test_nonBoolCondition_while() {
    Source source = addSource(EngineTestCase.createSource(["f() {", "  while (3) {}", "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.NON_BOOL_CONDITION]);
    verify([source]);
  }

  void test_nonBoolExpression_functionType() {
    Source source = addSource(EngineTestCase.createSource([
        "int makeAssertion() => 1;",
        "f() {",
        "  assert(makeAssertion);",
        "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.NON_BOOL_EXPRESSION]);
    verify([source]);
  }

  void test_nonBoolExpression_interfaceType() {
    Source source = addSource(EngineTestCase.createSource(["f() {", "  assert(0);", "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.NON_BOOL_EXPRESSION]);
    verify([source]);
  }

  void test_nonBoolNegationExpression() {
    Source source = addSource(EngineTestCase.createSource(["f() {", "  !42;", "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.NON_BOOL_NEGATION_EXPRESSION]);
    verify([source]);
  }

  void test_nonBoolOperand_and_left() {
    Source source = addSource(EngineTestCase.createSource([
        "bool f(int left, bool right) {",
        "  return left && right;",
        "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.NON_BOOL_OPERAND]);
    verify([source]);
  }

  void test_nonBoolOperand_and_right() {
    Source source = addSource(EngineTestCase.createSource([
        "bool f(bool left, String right) {",
        "  return left && right;",
        "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.NON_BOOL_OPERAND]);
    verify([source]);
  }

  void test_nonBoolOperand_or_left() {
    Source source = addSource(EngineTestCase.createSource([
        "bool f(List<int> left, bool right) {",
        "  return left || right;",
        "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.NON_BOOL_OPERAND]);
    verify([source]);
  }

  void test_nonBoolOperand_or_right() {
    Source source = addSource(EngineTestCase.createSource([
        "bool f(bool left, double right) {",
        "  return left || right;",
        "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.NON_BOOL_OPERAND]);
    verify([source]);
  }

  void test_nonTypeAsTypeArgument_notAType() {
    Source source = addSource(EngineTestCase.createSource(["int A;", "class B<E> {}", "f(B<A> b) {}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.NON_TYPE_AS_TYPE_ARGUMENT]);
    verify([source]);
  }

  void test_nonTypeAsTypeArgument_undefinedIdentifier() {
    Source source = addSource(EngineTestCase.createSource(["class B<E> {}", "f(B<A> b) {}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.NON_TYPE_AS_TYPE_ARGUMENT]);
    verify([source]);
  }

  void test_notEnoughRequiredArguments_mergedUnionTypeMethod() {
    enableUnionTypes(false);
    Source source = addSource(EngineTestCase.createSource([
        "class A {",
        "  int m(int x) => 0;",
        "}",
        "class B {",
        "  String m(String x) => '0';",
        "}",
        "f(A a, B b) {",
        "  var ab;",
        "  if (0 < 1) {",
        "    ab = a;",
        "  } else {",
        "    ab = b;",
        "  }",
        "  ab.m();",
        "}"]));
    resolve(source);
    assertErrors(source, [StaticWarningCode.NOT_ENOUGH_REQUIRED_ARGUMENTS]);
    verify([source]);
  }

  void test_returnOfInvalidType_expressionFunctionBody_function() {
    Source source = addSource(EngineTestCase.createSource(["int f() => '0';"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.RETURN_OF_INVALID_TYPE]);
    verify([source]);
  }

  void test_returnOfInvalidType_expressionFunctionBody_getter() {
    Source source = addSource(EngineTestCase.createSource(["int get g => '0';"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.RETURN_OF_INVALID_TYPE]);
    verify([source]);
  }

  void test_returnOfInvalidType_expressionFunctionBody_localFunction() {
    Source source = addSource(EngineTestCase.createSource([
        "class A {",
        "  String m() {",
        "    int f() => '0';",
        "    return '0';",
        "  }",
        "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.RETURN_OF_INVALID_TYPE]);
    verify([source]);
  }

  void test_returnOfInvalidType_expressionFunctionBody_method() {
    Source source = addSource(EngineTestCase.createSource(["class A {", "  int f() => '0';", "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.RETURN_OF_INVALID_TYPE]);
    verify([source]);
  }

  void test_returnOfInvalidType_expressionFunctionBody_void() {
    Source source = addSource(EngineTestCase.createSource(["void f() => 42;"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.RETURN_OF_INVALID_TYPE]);
    verify([source]);
  }

  void test_returnOfInvalidType_function() {
    Source source = addSource(EngineTestCase.createSource(["int f() { return '0'; }"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.RETURN_OF_INVALID_TYPE]);
    verify([source]);
  }

  void test_returnOfInvalidType_getter() {
    Source source = addSource(EngineTestCase.createSource(["int get g { return '0'; }"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.RETURN_OF_INVALID_TYPE]);
    verify([source]);
  }

  void test_returnOfInvalidType_localFunction() {
    Source source = addSource(EngineTestCase.createSource([
        "class A {",
        "  String m() {",
        "    int f() { return '0'; }",
        "    return '0';",
        "  }",
        "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.RETURN_OF_INVALID_TYPE]);
    verify([source]);
  }

  void test_returnOfInvalidType_method() {
    Source source = addSource(EngineTestCase.createSource(["class A {", "  int f() { return '0'; }", "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.RETURN_OF_INVALID_TYPE]);
    verify([source]);
  }

  void test_returnOfInvalidType_void() {
    Source source = addSource(EngineTestCase.createSource(["void f() { return 42; }"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.RETURN_OF_INVALID_TYPE]);
    verify([source]);
  }

  void test_typeArgumentNotMatchingBounds_classTypeAlias() {
    Source source = addSource(EngineTestCase.createSource([
        "class A {}",
        "class B {}",
        "class C {}",
        "class G<E extends A> {}",
        "class D = G<B> with C;"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.TYPE_ARGUMENT_NOT_MATCHING_BOUNDS]);
    verify([source]);
  }

  void test_typeArgumentNotMatchingBounds_extends() {
    Source source = addSource(EngineTestCase.createSource([
        "class A {}",
        "class B {}",
        "class G<E extends A> {}",
        "class C extends G<B>{}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.TYPE_ARGUMENT_NOT_MATCHING_BOUNDS]);
    verify([source]);
  }

  void test_typeArgumentNotMatchingBounds_extends_regressionInIssue18468Fix() {
    // https://code.google.com/p/dart/issues/detail?id=18628
    Source source = addSource(EngineTestCase.createSource([
        "class X<T extends Type> {}",
        "class Y<U> extends X<U> {}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.TYPE_ARGUMENT_NOT_MATCHING_BOUNDS]);
    verify([source]);
  }

  void test_typeArgumentNotMatchingBounds_fieldFormalParameter() {
    Source source = addSource(EngineTestCase.createSource([
        "class A {}",
        "class B {}",
        "class G<E extends A> {}",
        "class C {",
        "  var f;",
        "  C(G<B> this.f) {}",
        "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.TYPE_ARGUMENT_NOT_MATCHING_BOUNDS]);
    verify([source]);
  }

  void test_typeArgumentNotMatchingBounds_functionReturnType() {
    Source source = addSource(EngineTestCase.createSource([
        "class A {}",
        "class B {}",
        "class G<E extends A> {}",
        "G<B> f() { return null; }"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.TYPE_ARGUMENT_NOT_MATCHING_BOUNDS]);
    verify([source]);
  }

  void test_typeArgumentNotMatchingBounds_functionTypeAlias() {
    Source source = addSource(EngineTestCase.createSource([
        "class A {}",
        "class B {}",
        "class G<E extends A> {}",
        "typedef G<B> f();"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.TYPE_ARGUMENT_NOT_MATCHING_BOUNDS]);
    verify([source]);
  }

  void test_typeArgumentNotMatchingBounds_functionTypedFormalParameter() {
    Source source = addSource(EngineTestCase.createSource([
        "class A {}",
        "class B {}",
        "class G<E extends A> {}",
        "f(G<B> h()) {}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.TYPE_ARGUMENT_NOT_MATCHING_BOUNDS]);
    verify([source]);
  }

  void test_typeArgumentNotMatchingBounds_implements() {
    Source source = addSource(EngineTestCase.createSource([
        "class A {}",
        "class B {}",
        "class G<E extends A> {}",
        "class C implements G<B>{}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.TYPE_ARGUMENT_NOT_MATCHING_BOUNDS]);
    verify([source]);
  }

  void test_typeArgumentNotMatchingBounds_is() {
    Source source = addSource(EngineTestCase.createSource([
        "class A {}",
        "class B {}",
        "class G<E extends A> {}",
        "var b = 1 is G<B>;"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.TYPE_ARGUMENT_NOT_MATCHING_BOUNDS]);
    verify([source]);
  }

  void test_typeArgumentNotMatchingBounds_methodReturnType() {
    Source source = addSource(EngineTestCase.createSource([
        "class A {}",
        "class B {}",
        "class G<E extends A> {}",
        "class C {",
        "  G<B> m() { return null; }",
        "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.TYPE_ARGUMENT_NOT_MATCHING_BOUNDS]);
    verify([source]);
  }

  void test_typeArgumentNotMatchingBounds_new() {
    Source source = addSource(EngineTestCase.createSource([
        "class A {}",
        "class B {}",
        "class G<E extends A> {}",
        "f() { return new G<B>(); }"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.TYPE_ARGUMENT_NOT_MATCHING_BOUNDS]);
    verify([source]);
  }

  void test_typeArgumentNotMatchingBounds_new_superTypeOfUpperBound() {
    Source source = addSource(EngineTestCase.createSource([
        "class A {}",
        "class B extends A {}",
        "class C extends B {}",
        "class G<E extends B> {}",
        "f() { return new G<A>(); }"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.TYPE_ARGUMENT_NOT_MATCHING_BOUNDS]);
    verify([source]);
  }

  void test_typeArgumentNotMatchingBounds_parameter() {
    Source source = addSource(EngineTestCase.createSource([
        "class A {}",
        "class B {}",
        "class G<E extends A> {}",
        "f(G<B> g) {}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.TYPE_ARGUMENT_NOT_MATCHING_BOUNDS]);
    verify([source]);
  }

  void test_typeArgumentNotMatchingBounds_redirectingConstructor() {
    Source source = addSource(EngineTestCase.createSource([
        "class A {}",
        "class B {}",
        "class X<T extends A> {",
        "  X(int x, int y) {}",
        "  factory X.name(int x, int y) = X<B>;",
        "}"]));
    resolve(source);
    assertErrors(source, [
        StaticTypeWarningCode.TYPE_ARGUMENT_NOT_MATCHING_BOUNDS,
        StaticWarningCode.REDIRECT_TO_INVALID_RETURN_TYPE]);
    verify([source]);
  }

  void test_typeArgumentNotMatchingBounds_typeArgumentList() {
    Source source = addSource(EngineTestCase.createSource([
        "class A {}",
        "class B {}",
        "class C<E> {}",
        "class D<E extends A> {}",
        "C<D<B>> Var;"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.TYPE_ARGUMENT_NOT_MATCHING_BOUNDS]);
    verify([source]);
  }

  void test_typeArgumentNotMatchingBounds_typeParameter() {
    Source source = addSource(EngineTestCase.createSource([
        "class A {}",
        "class B {}",
        "class C {}",
        "class G<E extends A> {}",
        "class D<F extends G<B>> {}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.TYPE_ARGUMENT_NOT_MATCHING_BOUNDS]);
    verify([source]);
  }

  void test_typeArgumentNotMatchingBounds_variableDeclaration() {
    Source source = addSource(EngineTestCase.createSource([
        "class A {}",
        "class B {}",
        "class G<E extends A> {}",
        "G<B> g;"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.TYPE_ARGUMENT_NOT_MATCHING_BOUNDS]);
    verify([source]);
  }

  void test_typeArgumentNotMatchingBounds_with() {
    Source source = addSource(EngineTestCase.createSource([
        "class A {}",
        "class B {}",
        "class G<E extends A> {}",
        "class C extends Object with G<B>{}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.TYPE_ARGUMENT_NOT_MATCHING_BOUNDS]);
    verify([source]);
  }

  void test_typeParameterSupertypeOfItsBound() {
    Source source = addSource(EngineTestCase.createSource(["class A<T extends T> {", "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.TYPE_PARAMETER_SUPERTYPE_OF_ITS_BOUND]);
    verify([source]);
  }

  void test_typePromotion_booleanAnd_useInRight_accessedInClosureRight_mutated() {
    Source source = addSource(EngineTestCase.createSource([
        "callMe(f()) { f(); }",
        "main(Object p) {",
        "  (p is String) && callMe(() { p.length; });",
        "  p = 0;",
        "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.UNDEFINED_GETTER]);
  }

  void test_typePromotion_booleanAnd_useInRight_mutatedInLeft() {
    Source source = addSource(EngineTestCase.createSource([
        "main(Object p) {",
        "  ((p is String) && ((p = 42) == 42)) && p.length != 0;",
        "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.UNDEFINED_GETTER]);
  }

  void test_typePromotion_booleanAnd_useInRight_mutatedInRight() {
    Source source = addSource(EngineTestCase.createSource([
        "main(Object p) {",
        "  (p is String) && (((p = 42) == 42) && p.length != 0);",
        "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.UNDEFINED_GETTER]);
  }

  void test_typePromotion_conditional_useInThen_accessedInClosure_hasAssignment_after() {
    Source source = addSource(EngineTestCase.createSource([
        "callMe(f()) { f(); }",
        "main(Object p) {",
        "  p is String ? callMe(() { p.length; }) : 0;",
        "  p = 42;",
        "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.UNDEFINED_GETTER]);
  }

  void test_typePromotion_conditional_useInThen_accessedInClosure_hasAssignment_before() {
    Source source = addSource(EngineTestCase.createSource([
        "callMe(f()) { f(); }",
        "main(Object p) {",
        "  p = 42;",
        "  p is String ? callMe(() { p.length; }) : 0;",
        "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.UNDEFINED_GETTER]);
  }

  void test_typePromotion_conditional_useInThen_hasAssignment() {
    Source source = addSource(EngineTestCase.createSource([
        "main(Object p) {",
        "  p is String ? (p.length + (p = 42)) : 0;",
        "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.UNDEFINED_GETTER]);
  }

  void test_typePromotion_if_accessedInClosure_hasAssignment() {
    Source source = addSource(EngineTestCase.createSource([
        "callMe(f()) { f(); }",
        "main(Object p) {",
        "  if (p is String) {",
        "    callMe(() {",
        "      p.length;",
        "    });",
        "  }",
        "  p = 0;",
        "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.UNDEFINED_GETTER]);
  }

  void test_typePromotion_if_and_right_hasAssignment() {
    Source source = addSource(EngineTestCase.createSource([
        "main(Object p) {",
        "  if (p is String && (p = null) == null) {",
        "    p.length;",
        "  }",
        "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.UNDEFINED_GETTER]);
  }

  void test_typePromotion_if_extends_notMoreSpecific_dynamic() {
    Source source = addSource(EngineTestCase.createSource([
        "class V {}",
        "class A<T> {}",
        "class B<S> extends A<S> {",
        "  var b;",
        "}",
        "",
        "main(A<V> p) {",
        "  if (p is B) {",
        "    p.b;",
        "  }",
        "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.UNDEFINED_GETTER]);
  }

  void test_typePromotion_if_extends_notMoreSpecific_notMoreSpecificTypeArg() {
    Source source = addSource(EngineTestCase.createSource([
        "class V {}",
        "class A<T> {}",
        "class B<S> extends A<S> {",
        "  var b;",
        "}",
        "",
        "main(A<V> p) {",
        "  if (p is B<int>) {",
        "    p.b;",
        "  }",
        "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.UNDEFINED_GETTER]);
  }

  void test_typePromotion_if_hasAssignment_after() {
    Source source = addSource(EngineTestCase.createSource([
        "main(Object p) {",
        "  if (p is String) {",
        "    p.length;",
        "    p = 0;",
        "  }",
        "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.UNDEFINED_GETTER]);
  }

  void test_typePromotion_if_hasAssignment_before() {
    Source source = addSource(EngineTestCase.createSource([
        "main(Object p) {",
        "  if (p is String) {",
        "    p = 0;",
        "    p.length;",
        "  }",
        "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.UNDEFINED_GETTER]);
  }

  void test_typePromotion_if_hasAssignment_inClosure_anonymous_after() {
    Source source = addSource(EngineTestCase.createSource([
        "main(Object p) {",
        "  if (p is String) {",
        "    p.length;",
        "  }",
        "  () {p = 0;};",
        "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.UNDEFINED_GETTER]);
  }

  void test_typePromotion_if_hasAssignment_inClosure_anonymous_before() {
    Source source = addSource(EngineTestCase.createSource([
        "main(Object p) {",
        "  () {p = 0;};",
        "  if (p is String) {",
        "    p.length;",
        "  }",
        "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.UNDEFINED_GETTER]);
  }

  void test_typePromotion_if_hasAssignment_inClosure_function_after() {
    Source source = addSource(EngineTestCase.createSource([
        "main(Object p) {",
        "  if (p is String) {",
        "    p.length;",
        "  }",
        "  f() {p = 0;};",
        "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.UNDEFINED_GETTER]);
  }

  void test_typePromotion_if_hasAssignment_inClosure_function_before() {
    Source source = addSource(EngineTestCase.createSource([
        "main(Object p) {",
        "  f() {p = 0;};",
        "  if (p is String) {",
        "    p.length;",
        "  }",
        "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.UNDEFINED_GETTER]);
  }

  void test_typePromotion_if_implements_notMoreSpecific_dynamic() {
    Source source = addSource(EngineTestCase.createSource([
        "class V {}",
        "class A<T> {}",
        "class B<S> implements A<S> {",
        "  var b;",
        "}",
        "",
        "main(A<V> p) {",
        "  if (p is B) {",
        "    p.b;",
        "  }",
        "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.UNDEFINED_GETTER]);
  }

  void test_typePromotion_if_with_notMoreSpecific_dynamic() {
    Source source = addSource(EngineTestCase.createSource([
        "class V {}",
        "class A<T> {}",
        "class B<S> extends Object with A<S> {",
        "  var b;",
        "}",
        "",
        "main(A<V> p) {",
        "  if (p is B) {",
        "    p.b;",
        "  }",
        "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.UNDEFINED_GETTER]);
  }

  void test_undefinedFunction() {
    Source source = addSource(EngineTestCase.createSource(["void f() {", "  g();", "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.UNDEFINED_FUNCTION]);
  }

  void test_undefinedFunction_hasImportPrefix() {
    Source source = addSource(EngineTestCase.createSource(["import 'lib.dart' as f;", "main() { return f(); }"]));
    addNamedSource("/lib.dart", "library lib;");
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.UNDEFINED_FUNCTION]);
  }

  void test_undefinedFunction_inCatch() {
    Source source = addSource(EngineTestCase.createSource([
        "void f() {",
        "  try {",
        "  } on Object {",
        "    g();",
        "  }",
        "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.UNDEFINED_FUNCTION]);
  }

  void test_undefinedFunction_inImportedLib() {
    Source source = addSource(EngineTestCase.createSource(["import 'lib.dart' as f;", "main() { return f.g(); }"]));
    addNamedSource("/lib.dart", EngineTestCase.createSource(["library lib;", "h() {}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.UNDEFINED_FUNCTION]);
  }

  void test_undefinedGetter() {
    Source source = addSource(EngineTestCase.createSource(["class T {}", "f(T e) { return e.m; }"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.UNDEFINED_GETTER]);
  }

  void test_undefinedGetter_proxy_annotation_fakeProxy() {
    Source source = addSource(EngineTestCase.createSource([
        "library L;",
        "class Fake {",
        "  const Fake();",
        "}",
        "const proxy = const Fake();",
        "@proxy class PrefixProxy {}",
        "main() {",
        "  new PrefixProxy().foo;",
        "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.UNDEFINED_GETTER]);
  }

  void test_undefinedGetter_static() {
    Source source = addSource(EngineTestCase.createSource(["class A {}", "var a = A.B;"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.UNDEFINED_GETTER]);
  }

  void test_undefinedGetter_void() {
    Source source = addSource(EngineTestCase.createSource([
        "class T {",
        "  void m() {}",
        "}",
        "f(T e) { return e.m().f; }"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.UNDEFINED_GETTER]);
  }

  void test_undefinedGetter_wrongNumberOfTypeArguments_tooLittle() {
    Source source = addSource(EngineTestCase.createSource([
        "class A<K, V> {",
        "  K element;",
        "}",
        "main(A<int> a) {",
        "  a.element.anyGetterExistsInDynamic;",
        "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.WRONG_NUMBER_OF_TYPE_ARGUMENTS]);
    verify([source]);
  }

  void test_undefinedGetter_wrongNumberOfTypeArguments_tooMany() {
    Source source = addSource(EngineTestCase.createSource([
        "class A<E> {",
        "  E element;",
        "}",
        "main(A<int,int> a) {",
        "  a.element.anyGetterExistsInDynamic;",
        "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.WRONG_NUMBER_OF_TYPE_ARGUMENTS]);
    verify([source]);
  }

  void test_undefinedGetter_wrongOfTypeArgument() {
    Source source = addSource(EngineTestCase.createSource([
        "class A<E> {",
        "  E element;",
        "}",
        "main(A<NoSuchType> a) {",
        "  a.element.anyGetterExistsInDynamic;",
        "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.NON_TYPE_AS_TYPE_ARGUMENT]);
    verify([source]);
  }

  void test_undefinedMethod() {
    Source source = addSource(EngineTestCase.createSource(["class A {", "  void m() {", "    n();", "  }", "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.UNDEFINED_METHOD]);
  }

  void test_undefinedMethod_assignmentExpression() {
    Source source = addSource(EngineTestCase.createSource([
        "class A {}",
        "class B {",
        "  f(A a) {",
        "    A a2 = new A();",
        "    a += a2;",
        "  }",
        "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.UNDEFINED_METHOD]);
  }

  void test_undefinedMethod_ignoreTypePropagation() {
    Source source = addSource(EngineTestCase.createSource([
        "class A {}",
        "class B extends A {",
        "  m() {}",
        "}",
        "class C {",
        "  f() {",
        "    A a = new B();",
        "    a.m();",
        "  }",
        "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.UNDEFINED_METHOD]);
  }

  void test_undefinedMethod_private() {
    addNamedSource("/lib.dart", EngineTestCase.createSource(["library lib;", "class A {", "  _foo() {}", "}"]));
    Source source = addSource(EngineTestCase.createSource([
        "import 'lib.dart';",
        "class B extends A {",
        "  test() {",
        "    _foo();",
        "  }",
        "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.UNDEFINED_METHOD]);
  }

  void test_undefinedMethod_proxy_annotation_fakeProxy() {
    Source source = addSource(EngineTestCase.createSource([
        "library L;",
        "class Fake {",
        "  const Fake();",
        "}",
        "const proxy = const Fake();",
        "@proxy class PrefixProxy {}",
        "main() {",
        "  new PrefixProxy().foo();",
        "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.UNDEFINED_METHOD]);
  }

  void test_undefinedOperator_indexBoth() {
    Source source = addSource(EngineTestCase.createSource(["class A {}", "f(A a) {", "  a[0]++;", "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.UNDEFINED_OPERATOR]);
  }

  void test_undefinedOperator_indexGetter() {
    Source source = addSource(EngineTestCase.createSource(["class A {}", "f(A a) {", "  a[0];", "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.UNDEFINED_OPERATOR]);
  }

  void test_undefinedOperator_indexSetter() {
    Source source = addSource(EngineTestCase.createSource(["class A {}", "f(A a) {", "  a[0] = 1;", "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.UNDEFINED_OPERATOR]);
  }

  void test_undefinedOperator_plus() {
    Source source = addSource(EngineTestCase.createSource(["class A {}", "f(A a) {", "  a + 1;", "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.UNDEFINED_OPERATOR]);
  }

  void test_undefinedOperator_postfixExpression() {
    Source source = addSource(EngineTestCase.createSource(["class A {}", "f(A a) {", "  a++;", "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.UNDEFINED_OPERATOR]);
  }

  void test_undefinedOperator_prefixExpression() {
    Source source = addSource(EngineTestCase.createSource(["class A {}", "f(A a) {", "  ++a;", "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.UNDEFINED_OPERATOR]);
  }

  void test_undefinedSetter() {
    Source source = addSource(EngineTestCase.createSource(["class T {}", "f(T e1) { e1.m = 0; }"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.UNDEFINED_SETTER]);
  }

  void test_undefinedSetter_static() {
    Source source = addSource(EngineTestCase.createSource(["class A {}", "f() { A.B = 0;}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.UNDEFINED_SETTER]);
  }

  void test_undefinedSetter_void() {
    Source source = addSource(EngineTestCase.createSource([
        "class T {",
        "  void m() {}",
        "}",
        "f(T e) { e.m().f = 0; }"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.UNDEFINED_SETTER]);
  }

  void test_undefinedSuperMethod() {
    Source source = addSource(EngineTestCase.createSource([
        "class A {}",
        "class B extends A {",
        "  m() { return super.m(); }",
        "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.UNDEFINED_SUPER_METHOD]);
  }

  void test_unqualifiedReferenceToNonLocalStaticMember_getter() {
    Source source = addSource(EngineTestCase.createSource([
        "class A {",
        "  static int get a => 0;",
        "}",
        "class B extends A {",
        "  int b() {",
        "    return a;",
        "  }",
        "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.UNQUALIFIED_REFERENCE_TO_NON_LOCAL_STATIC_MEMBER]);
    verify([source]);
  }

  void test_unqualifiedReferenceToNonLocalStaticMember_method() {
    Source source = addSource(EngineTestCase.createSource([
        "class A {",
        "  static void a() {}",
        "}",
        "class B extends A {",
        "  void b() {",
        "    a();",
        "  }",
        "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.UNQUALIFIED_REFERENCE_TO_NON_LOCAL_STATIC_MEMBER]);
    verify([source]);
  }

  void test_unqualifiedReferenceToNonLocalStaticMember_setter() {
    Source source = addSource(EngineTestCase.createSource([
        "class A {",
        "  static set a(x) {}",
        "}",
        "class B extends A {",
        "  b(y) {",
        "    a = y;",
        "  }",
        "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.UNQUALIFIED_REFERENCE_TO_NON_LOCAL_STATIC_MEMBER]);
    verify([source]);
  }

  void test_wrongNumberOfTypeArguments_classAlias() {
    Source source = addSource(EngineTestCase.createSource([
        "class A {}",
        "class M {}",
        "class B<F extends num> = A<F> with M;"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.WRONG_NUMBER_OF_TYPE_ARGUMENTS]);
    verify([source]);
  }

  void test_wrongNumberOfTypeArguments_tooFew() {
    Source source = addSource(EngineTestCase.createSource(["class A<E, F> {}", "A<A> a = null;"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.WRONG_NUMBER_OF_TYPE_ARGUMENTS]);
    verify([source]);
  }

  void test_wrongNumberOfTypeArguments_tooMany() {
    Source source = addSource(EngineTestCase.createSource(["class A<E> {}", "A<A, A> a = null;"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.WRONG_NUMBER_OF_TYPE_ARGUMENTS]);
    verify([source]);
  }

  void test_wrongNumberOfTypeArguments_typeTest_tooFew() {
    Source source = addSource(EngineTestCase.createSource([
        "class A {}",
        "class C<K, V> {}",
        "f(p) {",
        "  return p is C<A>;",
        "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.WRONG_NUMBER_OF_TYPE_ARGUMENTS]);
    verify([source]);
  }

  void test_wrongNumberOfTypeArguments_typeTest_tooMany() {
    Source source = addSource(EngineTestCase.createSource([
        "class A {}",
        "class C<E> {}",
        "f(p) {",
        "  return p is C<A, A>;",
        "}"]));
    resolve(source);
    assertErrors(source, [StaticTypeWarningCode.WRONG_NUMBER_OF_TYPE_ARGUMENTS]);
    verify([source]);
  }
}

main() {
  _ut.groupSep = ' | ';
  runReflectiveTests(StaticTypeWarningCodeTest);
}