| 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 | // Flags: --allow-natives-syntax |
| 6 | |
| 7 | Object.defineProperty(Array.prototype, "1", { |
| 8 | get: function() { return "element 1"; }, |
| 9 | set: function(value) { } |
| 10 | }); |
| 11 | function test(array) { |
| 12 | array.shift(); |
| 13 | return array; |
| 14 | } |
| Emily Bernier | 958fae7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 15 | |
| 16 | var result = test(["0",,2]); |
| 17 | assertEquals(["element 1","element 1"], result); |
| 18 | assertTrue(result.hasOwnProperty("0")); |
| 19 | assertFalse(result.hasOwnProperty("1")); |
| 20 | result = test([{},,{}]); |
| 21 | assertEquals(["element 1","element 1"], result); |
| 22 | assertTrue(result.hasOwnProperty("0")); |
| 23 | assertFalse(result.hasOwnProperty("1")); |
| Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 24 | %OptimizeFunctionOnNextCall(test); |
| Emily Bernier | 958fae7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 25 | result = test([{},,0]); |
| 26 | assertEquals(["element 1","element 1"], result); |
| 27 | assertTrue(result.hasOwnProperty("0")); |
| 28 | assertFalse(result.hasOwnProperty("1")); |