| // 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 |
| |
| // Test that an is check on a function type involving type parameters |
| // does not crash dart2js, when the is test is in the initializer list |
| // of a constructor. |
| |
| class A<T> { |
| var f; |
| A(this.f); |
| } |
| |
| typedef foo<T>(T a); |
| |
| class B<T> extends A<T> { |
| B({void f(T foo)}) : super(() => f is foo<T>); |
| } |
| |
| main() { |
| var t = new B<int>(f: (int a) => 42); |
| if (!t.f()) { |
| throw 'Test failed'; |
| } |
| } |