| /* |
| * Copyright (c) 2019, 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. |
| */ |
| /** |
| * @assertion A generic type alias is a declaration [D] of one of the following |
| * forms: |
| * m typedef id<X1 extends B1, . . . , Xs extends Bs> = T; |
| * ... |
| * [D] introduces a mapping from actual type argument lists to types. |
| * @description Checks that [D] maps argument list to types when [T] represents |
| * some function |
| * @author iarkh@unipro.ru |
| */ |
| import "../../Utils/expect.dart"; |
| |
| class X {} |
| class Y extends X {} |
| |
| void checkme1(dynamic a) {} |
| void checkme2(Null a) {} |
| void checkme3(int a) {} |
| void checkme4(X a) {} |
| void checkme5(Y a) {} |
| |
| typedef Func1<T> = void Function(T); |
| typedef Func2<T extends X> = void Function(T); |
| typedef Func3<T extends Y> = void Function(T); |
| |
| main() { |
| Expect.isTrue(checkme1 is Func1); |
| Expect.isFalse(checkme2 is Func1); |
| Expect.isFalse(checkme3 is Func1); |
| Expect.isFalse(checkme4 is Func1); |
| Expect.isFalse(checkme5 is Func1); |
| |
| Expect.isTrue (checkme1 is Func2); |
| Expect.isFalse(checkme2 is Func2); |
| Expect.isFalse(checkme3 is Func2); |
| Expect.isTrue (checkme4 is Func2); |
| Expect.isFalse(checkme5 is Func2); |
| |
| Expect.isTrue (checkme1 is Func3); |
| Expect.isFalse(checkme2 is Func3); |
| Expect.isFalse(checkme3 is Func3); |
| Expect.isTrue (checkme4 is Func3); |
| Expect.isTrue (checkme5 is Func3); |
| } |