| // Copyright (c) 2012 Ecma International. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| esid: sec-array.prototype.lastindexof |
| description: > |
| Array.prototype.lastIndexOf returns -1 if 'length' is 0 and does |
| not access any other properties |
| ---*/ |
| |
| var accessed = false; |
| var f = { |
| length: 0 |
| }; |
| Object.defineProperty(f, "0", { |
| get: function() { |
| accessed = true; |
| return 1; |
| } |
| }); |
| |
| var i = Array.prototype.lastIndexOf.call(f, 1); |
| |
| |
| assert.sameValue(i, -1, 'i'); |
| assert.sameValue(accessed, false, 'accessed'); |
