| // 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"; |
| |
| class C<T> { |
| C.foo() { |
| x = (a) => a is T; |
| } |
| C.bar() { |
| x = (a) => a is! T; |
| } |
| C.baz() { |
| x = (a) => a as T; |
| } |
| var x; |
| } |
| |
| main() { |
| Expect.isTrue(new C<int>.foo().x(1)); |
| Expect.isFalse(new C<int>.foo().x('1')); |
| Expect.isFalse(new C<int>.bar().x(1)); |
| Expect.isTrue(new C<int>.bar().x('1')); |
| Expect.equals(new C<int>.baz().x(1), 1); |
| Expect.throws(() => new C<int>.baz().x('1')); |
| } |