dart-sdk/tests/language_2/mixin_factory_constructor_test.dart
pq 296099e66f Migrate test block 132 to Dart 2.0.
Bug:
Change-Id: Ic8fd22a882887682f3c23a54515b72bb7a7ae13e
Reviewed-on: https://dart-review.googlesource.com/12860
Commit-Queue: Phil Quitslund <pquitslund@google.com>
Reviewed-by: Ben Konyi <bkonyi@google.com>
2017-10-11 16:19:53 +00:00

29 lines
744 B
Dart

// Copyright (c) 2017, 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:expect/expect.dart";
class Base {
var y;
Base._() {
y = "world";
}
}
abstract class Mixin implements Base {
final x = "hello";
factory Mixin() => new _MixinAndBase._();
}
// TODO(jmesserly): according to the spec, this does not appear to be a valid
// mixin (because it declares a constructor), however it is supported by Dart
// implementations.
class _MixinAndBase = Base with Mixin;
void main() {
var val = new Mixin();
Expect.equals(val.x, "hello");
Expect.equals(val.y, "world");
}