| /* |
| * Copyright (c) 2011, 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 function is always an instance of some class that implements the class Function. |
| * All function types are subtypes of Function. |
| * @description Checks that various local functions implement the interface Function. |
| * @author iefremov |
| * @reviewer rodionov |
| */ |
| import "../../Utils/expect.dart"; |
| |
| main() { |
| f1() {} |
| void f2() {} |
| Object f3() {} |
| int f4() {} |
| f5(var x) {} |
| void f6(var x) {} |
| String f7([var x]) {} |
| Object f8(var x, int z, [Object o, var v = 1]) {} |
| Object f9(var x, int z, {o, v: 1}) {} |
| |
| Expect.isTrue(f1 is Function); |
| Expect.isTrue(f2 is Function); |
| Expect.isTrue(f3 is Function); |
| Expect.isTrue(f4 is Function); |
| Expect.isTrue(f5 is Function); |
| Expect.isTrue(f6 is Function); |
| Expect.isTrue(f7 is Function); |
| Expect.isTrue(f8 is Function); |
| Expect.isTrue(f9 is Function); |
| } |