pkg/analyzer/test/src/diagnostics/duplicate_constructor_default_test.dart

// Copyright (c) 2022, 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.

import 'package:analyzer/src/diagnostic/diagnostic.dart' as diag;
import 'package:test_reflective_loader/test_reflective_loader.dart';

import '../dart/resolution/context_collection_resolution.dart';

main() {
  defineReflectiveSuite(() {
    defineReflectiveTests(DuplicateConstructorDefaultTest);
  });
}

@reflectiveTest
class DuplicateConstructorDefaultTest extends PubPackageResolutionTest {
  @SkippedTest() // TODO(scheglov): implement augmentation
  test_class_augmentation_augments() async {
    newFile(testFile.path, r'''
part 'a.dart';

class A {
  A();
}
''');

    var a = newFile('$testPackageLibPath/a.dart', r'''
part of 'test.dart';

augment class A {
  augment A();
}
''');

    await resolveFile2(testFile);
    assertNoErrorsInResult();

    await resolveFile2(a);
    assertNoErrorsInResult();
  }

  @SkippedTest() // TODO(scheglov): implement augmentation
  test_class_augmentation_declares() async {
    newFile(testFile.path, r'''
part 'a.dart';

class A {
  A();
}
''');

    var a = newFile('$testPackageLibPath/a.dart', r'''
part of 'test.dart';

augment class A {
  A();
}
''');

    await resolveFile2(testFile);
    assertNoErrorsInResult();

    await resolveFile2(a);
    assertErrorsInResult([error(diag.duplicateConstructorDefault, 42, 1)]);
  }

  test_class_primary_unnamed_typeName_new() async {
    await assertErrorsInCode(
      r'''
class C() {
  C.new() : this();
}
''',
      [error(diag.duplicateConstructorDefault, 14, 5)],
    );
  }

  test_class_typeName_new_typeName_new() async {
    await assertErrorsInCode(
      r'''
class C {
  C.new();
  C.new();
}
''',
      [error(diag.duplicateConstructorDefault, 23, 5)],
    );
  }

  test_class_typeName_new_typeName_unnamed() async {
    await assertErrorsInCode(
      r'''
class C {
  C.new();
  C();
}
''',
      [error(diag.duplicateConstructorDefault, 23, 1)],
    );
  }

  test_class_typeName_unnamed_factoryHead_unnamed() async {
    await assertErrorsInCode(
      r'''
class C {
  factory C() => throw 0;
  factory () => throw 0;
}
''',
      [error(diag.duplicateConstructorDefault, 38, 7)],
    );
  }

  test_class_typeName_unnamed_newHead_unnamed() async {
    await assertErrorsInCode(
      r'''
class C {
  C();
  new ();
}
''',
      [error(diag.duplicateConstructorDefault, 19, 3)],
    );
  }

  test_class_typeName_unnamed_typeName_new() async {
    await assertErrorsInCode(
      r'''
class C {
  C();
  C.new();
}
''',
      [error(diag.duplicateConstructorDefault, 19, 5)],
    );
  }

  test_class_typeName_unnamed_typeName_unnamed() async {
    await assertErrorsInCode(
      r'''
class C {
  C();
  C();
}
''',
      [error(diag.duplicateConstructorDefault, 19, 1)],
    );
  }

  test_class_wrongTypeName_unnamed_typeName_unnamed() async {
    await assertErrorsInCode(
      r'''
class A {
  factory B.new() => throw 0;
  A();
}
''',
      [error(diag.invalidFactoryNameNotAClass, 20, 1)],
    );
  }

  test_enum_newHead_unnamed_newHead_unnamed() async {
    await assertErrorsInCode(
      r'''
enum E {
  v;
  const new ();
  const new ();
}
''',
      [error(diag.duplicateConstructorDefault, 38, 3)],
    );
  }

  test_enum_primary_unnamed_typeName_new() async {
    await assertErrorsInCode(
      r'''
enum E() {
  v;
  factory E.new() => v;
}
''',
      [error(diag.duplicateConstructorDefault, 26, 5)],
    );
  }

  test_enum_typeName_new_typeName_new() async {
    await assertErrorsInCode(
      r'''
enum E {
  v;
  const E.new();
  const E.new();
}
''',
      [
        error(diag.duplicateConstructorDefault, 39, 5),
        error(diag.unusedElement, 41, 3),
      ],
    );
  }

  test_enum_typeName_new_typeName_unnamed() async {
    await assertErrorsInCode(
      r'''
enum E {
  v;
  const E.new();
  const E();
}
''',
      [error(diag.duplicateConstructorDefault, 39, 1)],
    );
  }

  test_enum_typeName_unnamed_factoryHead_unnamed() async {
    await assertErrorsInCode(
      r'''
enum E {
  v;
  const E();
  factory () => v;
}
''',
      [error(diag.duplicateConstructorDefault, 29, 7)],
    );
  }

  test_enum_typeName_unnamed_newHead_unnamed() async {
    await assertErrorsInCode(
      r'''
enum E {
  v;
  const E();
  const new ();
}
''',
      [error(diag.duplicateConstructorDefault, 35, 3)],
    );
  }

  test_enum_typeName_unnamed_typeName_new() async {
    await assertErrorsInCode(
      r'''
enum E {
  v;
  const E();
  const E.new();
}
''',
      [
        error(diag.duplicateConstructorDefault, 35, 5),
        error(diag.unusedElement, 37, 3),
      ],
    );
  }

  test_enum_typeName_unnamed_typeName_unnamed() async {
    await assertErrorsInCode(
      r'''
enum E {
  v;
  const E();
  const E();
}
''',
      [error(diag.duplicateConstructorDefault, 35, 1)],
    );
  }

  test_extensionType_primary_new_secondary_typeName_new() async {
    await assertErrorsInCode(
      r'''
extension type A.new(int it) {
  A.new(this.it);
}
''',
      [error(diag.duplicateConstructorDefault, 33, 5)],
    );
  }

  test_extensionType_primary_new_secondary_typeName_unnamed() async {
    await assertErrorsInCode(
      r'''
extension type A.new(int it) {
  A(this.it);
}
''',
      [error(diag.duplicateConstructorDefault, 33, 1)],
    );
  }

  test_extensionType_primary_unnamed_secondary_newHead_unnamed() async {
    await assertErrorsInCode(
      r'''
extension type A(int it) {
  new(this.it);
}
''',
      [error(diag.duplicateConstructorDefault, 29, 3)],
    );
  }

  test_extensionType_primary_unnamed_secondary_typeName_new() async {
    await assertErrorsInCode(
      r'''
extension type A(int it) {
  A.new(this.it);
}
''',
      [error(diag.duplicateConstructorDefault, 29, 5)],
    );
  }

  test_extensionType_primary_unnamed_secondary_typeName_unnamed() async {
    await assertErrorsInCode(
      r'''
extension type A(int it) {
  A(this.it);
}
''',
      [error(diag.duplicateConstructorDefault, 29, 1)],
    );
  }

  test_extensionType_secondary_factoryHead_unnamed_factoryHead_unnamed() async {
    await assertErrorsInCode(
      r'''
extension type A.named(int it) {
  factory (int it) => A.named(it);
  factory (int it) => A.named(it);
}
''',
      [error(diag.duplicateConstructorDefault, 70, 7)],
    );
  }

  test_extensionType_secondary_newHead_unnamed_newHead_unnamed() async {
    await assertErrorsInCode(
      r'''
extension type A.named(int it) {
  new(this.it);
  new(this.it);
}
''',
      [error(diag.duplicateConstructorDefault, 51, 3)],
    );
  }
}