| // 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.indexof | |
| description: > | |
| Array.prototype.indexOf - deleted properties in step 5 are visible | |
| here on an Array | |
| ---*/ | |
| var arr = []; | |
| arr[10] = "10"; | |
| arr.length = 20; | |
| var fromIndex = { | |
| valueOf: function() { | |
| delete arr[10]; | |
| return 3; | |
| } | |
| }; | |
| assert.sameValue(arr.indexOf("10", fromIndex), -1, 'arr.indexOf("10", fromIndex)'); |