| // 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.reduceright |
| description: > |
| Array.prototype.reduceRight throws TypeError when elements |
| assigned values are deleted and initialValue is not present |
| ---*/ |
| |
| function callbackfn(prevVal, curVal, idx, obj) |
| {} |
| |
| var arr = [1, 2, 3, 4, 5]; |
| delete arr[0]; |
| delete arr[1]; |
| delete arr[2]; |
| delete arr[3]; |
| delete arr[4]; |
| assert.throws(TypeError, function() { |
| arr.reduceRight(callbackfn); |
| }); |
