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

// Copyright (c) 2020, 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(ConstConstructorWithFieldInitializedByNonConstTest);
  });
}

@reflectiveTest
class ConstConstructorWithFieldInitializedByNonConstTest
    extends PubPackageResolutionTest {
  test_class_factoryConstructor() async {
    await assertNoErrorsInCode(r'''
class A {
  final List<int> list = f();
  const factory A() = B;
}
class B implements A {
  final List<int> list = const [];
  const B();
}
List<int> f() {
  return [3];
}
''');
  }

  test_class_instanceField() async {
    await assertErrorsInCode(r'''
class A {
  final int i = f();
  const A();
}
int f() {
  return 3;
}
''', [
      error(CompileTimeErrorCode.CONST_EVAL_METHOD_INVOCATION, 26, 3),
      error(
          CompileTimeErrorCode
              .CONST_CONSTRUCTOR_WITH_FIELD_INITIALIZED_BY_NON_CONST,
          33,
          5),
    ]);
  }

  test_class_instanceField_asExpression() async {
    await assertErrorsInCode(r'''
dynamic y = 2;
class A {
  const A();
  final x = y as num;
}
''', [
      error(
          CompileTimeErrorCode
              .CONST_CONSTRUCTOR_WITH_FIELD_INITIALIZED_BY_NON_CONST,
          27,
          5),
    ]);
  }

  test_class_staticField() async {
    await assertNoErrorsInCode(r'''
class A {
  static final int i = f();
  const A();
}
int f() {
  return 3;
}
''');
  }

//   test_enum_factoryConstructor() async {
//     await assertErrorsInCode(r'''
// enum E {
//   v;
//   final int i = f();
//   const factory E();
// }
// int f() => 0;
// ''', [
//       error(CompileTimeErrorCode.CONST_EVAL_METHOD_INVOCATION, 30, 3),
//       error(
//           CompileTimeErrorCode
//               .CONST_CONSTRUCTOR_WITH_FIELD_INITIALIZED_BY_NON_CONST,
//           37,
//           5),
//     ]);
//   }

  test_enum_instanceField() async {
    await assertErrorsInCode(r'''
enum E {
  v;
  final int i = f();
  const E();
}
int f() => 0;
''', [
      error(CompileTimeErrorCode.CONST_EVAL_METHOD_INVOCATION, 30, 3),
      error(
          CompileTimeErrorCode
              .CONST_CONSTRUCTOR_WITH_FIELD_INITIALIZED_BY_NON_CONST,
          37,
          5),
    ]);
  }

  test_enum_staticField() async {
    await assertNoErrorsInCode(r'''
enum E {
  v;
  static final int i = f();
  const E();
}
int f() => 0;
''');
  }

  test_mixinClass_factory() async {
    await assertNoErrorsInCode(r'''
int e = 3;
mixin class MixinClassFactory {
  final int foo = e;
  const factory MixinClassFactory.x() = A;
}

mixin class A implements MixinClassFactory {
  @override
  final int foo = 0;
  const A();
}
''');
  }
}