pkg/analyzer/test/src/diagnostics/late_final_field_with_const_constructor_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(LateFinalFieldWithConstConstructorTest);
  });
}

@reflectiveTest
class LateFinalFieldWithConstConstructorTest extends PubPackageResolutionTest
    with WithNullSafetyMixin {
  static const _errorCode =
      CompileTimeErrorCode.LATE_FINAL_FIELD_WITH_CONST_CONSTRUCTOR;

  test_class_hasConstConstructor_instance_hasInitializer() async {
    await assertErrorsInCode('''
class A {
  late final f = 0;
  const A();
}
''', [
      error(_errorCode, 12, 4),
    ]);
  }

  test_class_hasConstConstructor_instance_hasNotConst() async {
    await assertErrorsInCode('''
class A {
  late final f = 0;
  const A();
  A.notConst();
}
''', [
      error(_errorCode, 12, 4),
    ]);
  }

  test_class_hasConstConstructor_instance_noInitializer() async {
    await assertErrorsInCode('''
class A {
  late final f;
  const A();
}
''', [
      error(_errorCode, 12, 4),
    ]);
  }

  test_class_hasConstConstructor_static_late_final() async {
    await assertNoErrorsInCode('''
class A {
  static late final f = 0;
  const A();
}
''');
  }

  test_class_noConstConstructor() async {
    await assertNoErrorsInCode('''
class A {
  late final f = 0;
  A();
}
''');
  }
}