| // Copyright (c) 2017, 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. |
| |
| import 'package:expect/expect.dart'; |
| |
| class A {} |
| |
| class B extends A {} |
| |
| class Foo<T extends A> { |
| String foo(T x) { |
| if (x is B) { |
| var list = [x]; |
| return list.runtimeType.toString(); |
| } |
| return ''; |
| } |
| |
| List<T> bar(T x) { |
| var tlist = <T>[]; |
| if (x is B) { |
| var list = [x]; |
| tlist = list; |
| } |
| return tlist; |
| } |
| } |
| |
| main() { |
| var foo = new Foo<B>(); |
| var b = new B(); |
| Expect.equals(foo.foo(b), 'List<B>'); |
| Expect.listEquals(foo.bar(b), [b]); |
| } |