| // Copyright (c) 2013, 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. | |
| // Regression test for dart2js that used to miscompile classes | |
| // extending HashMap, because HashMap is patched. | |
| import "package:expect/expect.dart"; | |
| import 'dart:collection'; | |
| class Foo extends Expando {} | |
| main() { | |
| Expect.isNull(new Foo()[new Object()]); | |
| } |