| // 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 simple member invocation on a target expression X is an |
| /// expression of one of the forms: |
| /// Member invocation on target X Corresponding member name |
| /// ~X ~ |
| /// @description Check explicit extension member invocation in form of ~X |
| /// @author sgrekhov@unipro.ru |
| |
| |
| import "../../Utils/expect.dart"; |
| |
| class C { |
| String operator ~() => "Lily was here"; |
| } |
| |
| extension Extension1 on C { |
| String operator ~() => "Show must go on"; |
| } |
| |
| extension Extension2 on C { |
| String operator ~() => "Let it be"; |
| } |
| |
| main() { |
| C c = new C(); |
| Expect.equals("Show must go on", ~Extension1(c)); |
| Expect.equals("Let it be", ~Extension2(c)); |
| Expect.equals("Lily was here", ~c); |
| } |