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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 = 341956;
var summary = 'GC Hazards in jsarray.c - unshift';
var actual = 'No Crash';
var expect = 'No Crash';
//-----------------------------------------------------------------------------
test();
//-----------------------------------------------------------------------------
function test()
{
printBugNumber(BUGNUMBER);
printStatus (summary);
var N = 0xFFFFFFFF;
var a = [];
a[N - 1] = 1;
a.__defineGetter__(N - 1, function() {
var tmp = [];
tmp[N - 2] = 0;
if (typeof gc == 'function')
gc();
for (var i = 0; i != 50000; ++i) {
var tmp = 1 / 3;
tmp /= 10;
}
for (var i = 0; i != 1000; ++i) {
// Make string with 11 characters that would take
// (11 + 1) * 2 bytes or sizeof(JSAtom) so eventually
// malloc will ovewrite just freed atoms.
var tmp2 = Array(12).join(' ');
}
return 10;
});
// The following always-throw getter is to stop unshift from doing
// 2^32 iterations.
var toStop = "stringToStop";
a[N - 3] = 0;
a.__defineGetter__(N - 3, function() { throw toStop; });
var good = false;
try {
a.unshift(1);
} catch (e) {
if (e === toStop)
good = true;
}
expect = true;
actual = good;
reportCompare(expect, actual, summary);
print('Done');
}
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