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| 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 | |
| 3 // BSD-style license that can be found in the LICENSE file. | |
| 4 // | |
| 5 // Test verifying that generic extends are processed correctly. | |
| 6 | |
| 7 import "package:expect/expect.dart"; | |
| 8 | |
| 9 class A<T> {} | |
| 10 | |
| 11 class B<T1, T2 extends A<T1>> {} | |
| 12 | |
| 13 class C<T1 extends A<T2>, T2> {} | |
| 14 | |
| 15 main() { | |
| 16 var a = new A<String>(); | |
| 17 var b = new B<String, A<String>>(); | |
| 18 var c = new C<A<String>, String>(); | |
| 19 Expect.isTrue(a is Object); | |
| 20 Expect.isTrue(a is A<Object>); | |
| 21 Expect.isTrue(a is A<String>); | |
| 22 Expect.isTrue(a is! A<int>); | |
| 23 Expect.isTrue(b is Object); | |
| 24 Expect.isTrue(b is B<Object, A<Object>>); | |
| 25 Expect.isTrue(b is B<String, A<String>>); | |
| 26 Expect.isTrue(b is! B<int, A<int>>); | |
| 27 Expect.isTrue(c is Object); | |
| 28 Expect.isTrue(c is C<A<Object>, Object>); | |
| 29 Expect.isTrue(c is C<A<String>, String>); | |
| 30 Expect.isTrue(c is! C<A<int>, int>); | |
| 31 } | |
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