regress-311497.js - mozsearch

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/* -*- tab-width: 2; indent-tabs-mode: nil; js-indent-level: 2 -*- */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

//-----------------------------------------------------------------------------

var BUGNUMBER = 311497;

var summary = 'Root pivots in js_HeapSort';

var actual = 'No Crash';

var expect = 'No Crash';

printBugNumber(BUGNUMBER);

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);