02d37b8f10
This avoids using the Sparse methods on objects with non-enumerable elements, which can cause the 'enumerable: false' bit to get lost in the operation. R=mstarzinger@chromium.org Review URL: https://codereview.chromium.org/672323003 Cr-Commit-Position: refs/heads/master@{#24883} git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24883 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
17 lines
445 B
JavaScript
17 lines
445 B
JavaScript
// Copyright 2014 the V8 project authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
var arr = [1, 2];
|
|
Object.defineProperty(arr, 0xfffe, {
|
|
value: 3,
|
|
configurable: true,
|
|
writable: true,
|
|
enumerable: false
|
|
});
|
|
arr[0xffff] = 4;
|
|
arr.shift();
|
|
var desc = Object.getOwnPropertyDescriptor(arr, 0xfffe);
|
|
assertEquals(4, desc.value);
|
|
assertFalse(desc.enumerable);
|