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Issue 656423004: Narrow cases where Sparse/Smart versions of Array methods are used (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Added more tests Created 6 years, 1 month ago
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1 // Copyright 2014 the V8 project authors. All rights reserved. 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 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 var a = [1]; 5 var a = [1];
6 var getterValue = 2; 6 var getterValue = 2;
7 var endIndex = 0xffff; 7 var endIndex = 0xffff;
8 Object.defineProperty(a, endIndex, { 8 Object.defineProperty(a, endIndex, {
9 get: function() { 9 get: function() {
10 this[1] = 3; 10 this[1] = 3;
11 return getterValue; 11 return getterValue;
12 }, 12 },
13 set: function(val) { 13 set: function(val) {
14 getterValue = val; 14 getterValue = val;
15 }, 15 },
16 configurable: true, 16 configurable: true,
17 enumerable: true 17 enumerable: true
18 }); 18 });
19 a.reverse(); 19 a.reverse();
20 assertFalse(a.hasOwnProperty(1)); 20 assertFalse(a.hasOwnProperty(1));
21 assertEquals(3, a[endIndex-1]); 21 assertEquals(3, a[endIndex-1]);
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