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1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2011, 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 // Test verifying that generic extends are processed correctly. | 5 // Test verifying that generic extends are processed correctly. |
6 | 6 |
7 class A<T> {} | 7 class A<T> {} |
8 class B<T1, T2 extends A<T1>> {} | 8 class B<T1, T2 extends A<T1>> {} |
9 class C<T1 extends A<T2>, T2> {} | 9 class C<T1 extends A<T2>, T2> {} |
10 | 10 |
11 main() { | 11 main() { |
12 var a = new A<String>(); | 12 var a = new A<String>(); |
13 var b = new B<String, A<String>>(); | 13 var b = new B<String, A<String>>(); |
14 var c = new C<A<String>, String>(); | 14 var c = new C<A<String>, String>(); |
15 Expect.isTrue(a is Object); | 15 Expect.isTrue(a is Object); |
16 Expect.isTrue(a is A<Object>); | 16 Expect.isTrue(a is A<Object>); |
17 Expect.isTrue(a is A<String>); | 17 Expect.isTrue(a is A<String>); |
18 Expect.isTrue(a is !A<int>); | 18 Expect.isTrue(a is !A<int>); |
19 Expect.isTrue(b is Object); | 19 Expect.isTrue(b is Object); |
20 Expect.isTrue(b is B<Object, A<Object>>); | 20 Expect.isTrue(b is B<Object, A<Object>>); |
21 Expect.isTrue(b is B<String, A<String>>); | 21 Expect.isTrue(b is B<String, A<String>>); |
22 Expect.isTrue(b is !B<int, A<int>>); | 22 Expect.isTrue(b is !B<int, A<int>>); |
23 Expect.isTrue(c is Object); | 23 Expect.isTrue(c is Object); |
24 Expect.isTrue(c is C<A<Object>, Object>); | 24 Expect.isTrue(c is C<A<Object>, Object>); |
25 Expect.isTrue(c is C<A<String>, String>); | 25 Expect.isTrue(c is C<A<String>, String>); |
26 Expect.isTrue(c is !C<A<int>, int>); | 26 Expect.isTrue(c is !C<A<int>, int>); |
27 } | 27 } |
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