| // 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. |
| |
| // @dart = 2.9 |
| |
| import "package:expect/expect.dart"; |
| |
| // Test that user field names cannot clash with internal names of the |
| // dart2js compiler. |
| |
| class A<T> { |
| var $isA; |
| var $eq; |
| var $builtinTypeInfo; |
| } |
| |
| main() { |
| var c = [new A()]; |
| Expect.isTrue(c[0] is A); |
| Expect.isTrue(c[0] == c[0]); |
| |
| c = [new A<int>()]; |
| c[0].$builtinTypeInfo = 42; |
| Expect.isTrue(c[0] is! A<String>); |
| } |