| // 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 Evaluation of an assignment of the form e1[e2] = e3 is equivalent |
| * to the evaluation of the expression |
| * (a, i, e){a.[]=(i, e); return e;} (e1, e2, e3). |
| * @description Checks that an assignment of the form e1[e2] = e3 is equivalent |
| * to (a, i, e){a.[]=(i, e); return e;} (e1, e2, e3). |
| * @author rodionov |
| */ |
| |
| import '../../../Utils/expect.dart'; |
| |
| class C { |
| var v, i; |
| |
| operator [](idx) { |
| return v; |
| } |
| |
| operator []=(idx, val) { |
| i = idx; |
| v = val; |
| } |
| } |
| |
| main() { |
| C c = new C(); |
| var res = (c[-10] = 1); |
| Expect.equals(1, res); |
| Expect.equals(1, c.v); |
| Expect.equals(-10, c.i); |
| |
| Expect.equals(2, c[true] = 2); |
| Expect.equals(2, c.v); |
| Expect.equals(true, c.i); |
| |
| c["foo"] = 1; |
| Expect.equals(1, c.v); |
| Expect.equals("foo", c.i); |
| |
| c[-1.1] = 2 * 6; |
| Expect.equals(12, c.v); |
| } |