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

// Copyright (c) 2019, 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/error/codes.dart';
import 'package:test_reflective_loader/test_reflective_loader.dart';

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

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

@reflectiveTest
class FieldInitializedInInitializerAndDeclarationTest
    extends PubPackageResolutionTest {
  test_class_augmentation() async {
    newFile(testFile.path, r'''
import augment 'a.dart';

class A {
  final int f = 0;
  A();
}
''');

    var a = newFile('$testPackageLibPath/a.dart', r'''
augment library 'test.dart';

augment class A {
  augment A() : f = 1;
}
''');

    await resolveFile2(testFile);
    assertNoErrorsInResult();

    await resolveFile2(a);
    assertErrorsInResult([
      error(
          CompileTimeErrorCode.FIELD_INITIALIZED_IN_INITIALIZER_AND_DECLARATION,
          64,
          1),
    ]);
  }

  test_class_both() async {
    await assertErrorsInCode('''
class A {
  final int x = 0;
  A() : x = 1;
}
''', [
      error(
          CompileTimeErrorCode.FIELD_INITIALIZED_IN_INITIALIZER_AND_DECLARATION,
          37,
          1),
    ]);
  }

  test_enum_both() async {
    await assertErrorsInCode('''
enum E {
  v;
  final int x = 0;
  const E() : x = 1;
}
''', [
      error(CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION, 11, 1),
      error(
          CompileTimeErrorCode.FIELD_INITIALIZED_IN_INITIALIZER_AND_DECLARATION,
          47,
          1),
    ]);
  }
}