| // 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 test program for constructors and initializers. |
| |
| // Check function subtyping for generic bound closures. This also tests |
| // type argument substitution. |
| |
| import 'package:expect/expect.dart'; |
| |
| typedef void Foo(bool a, [String b]); |
| typedef void Bar(bool a, [String b]); |
| typedef void Baz(bool a, {String b}); |
| typedef int Boz(bool a); |
| |
| class C<T> { |
| void test(String nameOfT, bool expectedResult) { |
| void foo(T a, [String b = '']) {} |
| void baz(T a, {String b = ''}) {} |
| |
| Expect.equals(expectedResult, foo is Foo, 'C<$nameOfT>.foo is Foo'); |
| Expect.equals(expectedResult, foo is Bar, 'C<$nameOfT>.foo is Bar'); |
| Expect.isFalse(foo is Baz, 'C<$nameOfT>.foo is Baz'); |
| Expect.isFalse(foo is Boz, 'C<$nameOfT>.foo is Boz'); |
| |
| Expect.isFalse(baz is Foo, 'C<$nameOfT>.baz is Foo'); |
| Expect.isFalse(baz is Bar, 'C<$nameOfT>.baz is Bar'); |
| Expect.equals(expectedResult, baz is Baz, 'C<$nameOfT>.baz is Baz'); |
| Expect.isFalse(baz is Boz, 'C<$nameOfT>.baz is Boz'); |
| } |
| } |
| |
| class D<S, T> extends C<T> {} |
| |
| main() { |
| new D<String, bool>().test('bool', true); |
| new D<bool, int>().test('int', false); |
| new D().test('dynamic', true); |
| } |