| // 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 value, or an instance of a class with a "call" method,
|
| * is a subtype of a function type, and as such, a subtype of Function.
|
| * @description Checks that function values are indeed subtypes of the
|
| * [Function] class.
|
| * @author rodionov
|
| */
|
| import "../../../Utils/expect.dart";
|
|
|
| int foo(String s) {
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| return 21;
|
| }
|
|
|
| int foo1() => 1;
|
|
|
| main() {
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| Expect.isTrue(foo is Function);
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| Expect.isTrue(foo1 is Function);
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| Expect.isTrue((int, double) { return 1; } is Function);
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| Expect.isTrue((() => 1) is Function);
|
| }
|