Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame^] | 1 | // Copyright 2014 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | var o = { __proto__:Array.prototype, 0:"x" }; |
| 6 | function boomer() { return 0; } |
| 7 | Object.defineProperty(o, "length", { get:boomer, set:boomer }); |
| 8 | Object.seal(o); |
| 9 | |
| 10 | assertDoesNotThrow(function() { o.push(1); }); |
| 11 | assertEquals(0, o.length); |
| 12 | assertEquals(1, o[0]); |
| 13 | |
| 14 | assertDoesNotThrow(function() { o.unshift(2); }); |
| 15 | assertEquals(0, o.length); |
| 16 | assertEquals(2, o[0]); |