| // Copyright (c) 2014, 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 = 2.9 |
| |
| library test.delgate_function_invocation; |
| |
| import 'dart:mirrors'; |
| |
| import 'package:expect/expect.dart'; |
| |
| class Proxy { |
| var targetMirror; |
| Proxy(target) : this.targetMirror = reflect(target); |
| noSuchMethod(invocation) => targetMirror.delegate(invocation); |
| } |
| |
| testClosure() { |
| dynamic proxy = new Proxy(() => 42); |
| Expect.equals(42, proxy()); |
| Expect.equals(42, proxy.call()); |
| } |
| |
| class FakeFunction { |
| call() => 43; |
| } |
| |
| testFakeFunction() { |
| dynamic proxy = new Proxy(new FakeFunction()); |
| Expect.equals(43, proxy()); |
| Expect.equals(43, proxy.call()); |
| } |
| |
| topLevelFunction() => 44; |
| |
| testTopLevelTearOff() { |
| dynamic proxy = new Proxy(topLevelFunction); |
| Expect.equals(44, proxy()); |
| Expect.equals(44, proxy.call()); |
| } |
| |
| class C { |
| method() => 45; |
| } |
| |
| testInstanceTearOff() { |
| dynamic proxy = new Proxy(new C().method); |
| Expect.equals(45, proxy()); |
| Expect.equals(45, proxy.call()); |
| } |
| |
| main() { |
| testClosure(); |
| testFakeFunction(); |
| testTopLevelTearOff(); |
| testInstanceTearOff(); |
| } |