v8/test/mjsunit/regress/regress-3643.js
adamk@chromium.org f1954232b0 SimpleMove now calls [[Has]] before [[Get]] when moving elements
BUG=v8:3643
LOG=n
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/678753002

Cr-Commit-Position: refs/heads/master@{#24907}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24907 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2014-10-27 13:05:13 +00:00

31 lines
719 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.
function newArrayWithGetter() {
var arr = [1, 2, 3];
Object.defineProperty(arr, '1', {
get: function() { delete this[1]; return undefined; },
configurable: true
});
return arr;
}
var a = newArrayWithGetter();
var s = a.slice(1);
assertTrue('0' in s);
// Sparse case should hit the same code as above due to presence of the getter.
a = newArrayWithGetter();
a[0xffff] = 4;
s = a.slice(1);
assertTrue('0' in s);
a = newArrayWithGetter();
a.shift();
assertTrue('0' in a);
a = newArrayWithGetter();
a.unshift(0);
assertTrue('2' in a);