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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 import "package:expect/expect.dart"; | 5 import "package:expect/expect.dart"; |
6 | 6 |
7 class C<T> { | 7 class C<T> { |
8 C.foo() { | 8 C.foo() { |
9 x = (a) => a is T; | 9 x = (a) => a is T; |
10 } | 10 } |
11 C.bar() { | 11 C.bar() { |
12 x = (a) => a is! T; | 12 x = (a) => a is! T; |
13 } | 13 } |
14 C.baz() { | 14 C.baz() { |
15 x = (a) => a as T; | 15 x = (a) => a as T; |
16 } | 16 } |
17 var x; | 17 var x; |
18 } | 18 } |
19 | 19 |
20 main() { | 20 main() { |
21 Expect.isTrue(new C<int>.foo().x(1)); | 21 Expect.isTrue(new C<int>.foo().x(1)); |
22 Expect.isFalse(new C<int>.foo().x('1')); | 22 Expect.isFalse(new C<int>.foo().x('1')); |
23 Expect.isFalse(new C<int>.bar().x(1)); | 23 Expect.isFalse(new C<int>.bar().x(1)); |
24 Expect.isTrue(new C<int>.bar().x('1')); | 24 Expect.isTrue(new C<int>.bar().x('1')); |
25 Expect.equals(new C<int>.baz().x(1), 1); | 25 Expect.equals(new C<int>.baz().x(1), 1); |
26 Expect.throws(() => new C<int>.baz().x('1')); | 26 Expect.throws(() => new C<int>.baz().x('1')); |
27 } | 27 } |
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