Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [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 | function newArrayWithGetter() { |
| 6 | var arr = [1, 2, 3]; |
| 7 | Object.defineProperty(arr, '1', { |
| 8 | get: function() { delete this[1]; return undefined; }, |
| 9 | configurable: true |
| 10 | }); |
| 11 | return arr; |
| 12 | } |
| 13 | |
| 14 | var a = newArrayWithGetter(); |
| 15 | var s = a.slice(1); |
| 16 | assertTrue('0' in s); |
| 17 | |
| 18 | // Sparse case should hit the same code as above due to presence of the getter. |
| 19 | a = newArrayWithGetter(); |
| 20 | a[0xffff] = 4; |
| 21 | s = a.slice(1); |
| 22 | assertTrue('0' in s); |
| 23 | |
| 24 | a = newArrayWithGetter(); |
| 25 | a.shift(); |
| 26 | assertTrue('0' in a); |
| 27 | |
| 28 | a = newArrayWithGetter(); |
| 29 | a.unshift(0); |
| 30 | assertTrue('2' in a); |