js/src/tests/js1_7/regress/regress-355023.js

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1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this
4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
5
6 //-----------------------------------------------------------------------------
7 var BUGNUMBER = 355023;
8 var summary = 'destructuring assignment optimization';
9 var actual = '';
10 var expect = '';
11
12
13 //-----------------------------------------------------------------------------
14 test();
15 //-----------------------------------------------------------------------------
16
17 function test()
18 {
19 enterFunc ('test');
20 printBugNumber(BUGNUMBER);
21 printStatus (summary);
22
23 Array.prototype[0] = 1024;
24
25 expect = (function(){ var a=[],[x]=a; return x; })();
26 actual = (function(){ var [x]=[]; return x; })();
27
28 reportCompare(expect, actual, summary);
29
30 exitFunc ('test');
31 }

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