| // 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 static void equals(var expected, var actual, [String reason = '']) |
| /// Checks whether the expected and actual values are equal (using [:==:]). |
| /// |
| /// @description Checks that object equality is checked with == operator (on |
| /// expected value). |
| /// |
| /// @author varlax |
| |
| import "../../../Utils/expect.dart"; |
| |
| class A { |
| operator ==(var b) { |
| return true; |
| } |
| } |
| |
| class B { |
| var checked; |
| operator ==(var b) { |
| checked = b; |
| return b is B || b is A; |
| } |
| } |
| |
| class C { |
| operator ==(var b) { |
| return false; |
| } |
| } |
| |
| |
| main() { |
| B b = new B(); |
| Expect.identical(b.checked, null); |
| var a1 = new B(); |
| Expect.equals(b, a1); |
| Expect.identical(b.checked, a1); |
| |
| var a2 = new A(); |
| Expect.equals(b, a2); |
| Expect.identical(b.checked, a2); |
| |
| Expect.equals(new A(), new C()); |
| |
| try { |
| Expect.equals(new C(), new C()); |
| throw "ExpectException expected"; |
| } on ExpectException {} |
| } |