pjs/js/tests/js1_5/GC/regress-311497.js

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JavaScript
Executable File

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is JavaScript Engine testing utilities.
*
* The Initial Developer of the Original Code is
* Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2005
* the Initial Developer. All Rights Reserved.
*
* Contributor(s): Igor Bukanov
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
//-----------------------------------------------------------------------------
var bug = 311497;
var summary = 'Root pivots in js_HeapSort';
var actual = 'No Crash';
var expect = 'No Crash';
printBugNumber (bug);
printStatus (summary);
function force_gc()
{
if (this.gc) gc();
for (var i = 0; i != 30000; ++i) {
var tmp = Math.sin(i);
tmp = null;
}
}
var array = new Array(10);
for (var i = 0; i != array.length; ++i) {
array[i] = String.fromCharCode(i, i, i);
}
function cmp(a, b)
{
for (var i = 0; i != array.length; ++i) {
array[i] = null;
}
force_gc();
return 0;
}
array.sort(cmp);
// Verify that array contains either null or original strings
var null_count = 0;
var original_string_count = 0;
for (var i = 0; i != array.length; ++i) {
var elem = array[i];
if (elem === null) {
++null_count;
} else if (typeof elem == "string" && elem.length == 3) {
var code = elem.charCodeAt(0);
if (0 <= code && code < array.length) {
if (code === elem.charCodeAt(1) && code == elem.charCodeAt(2))
++original_string_count;
}
}
}
var expect = array.length;
var actual = null_count + original_string_count;
reportCompare(expect, actual, summary);