gecko/js/tests/js1_6/extensions/regress-456826.js

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/* -*- 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) 2008
* the Initial Developer. All Rights Reserved.
*
* Contributor(s): Boris Zbarsky
*
* 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 gTestfile = 'regress-456826.js';
//-----------------------------------------------------------------------------
var BUGNUMBER = 456826;
var summary = 'Do not assert with JIT during OOM';
var actual = 'No Crash';
var expect = 'No Crash';
//-----------------------------------------------------------------------------
test();
//-----------------------------------------------------------------------------
function test()
{
enterFunc ('test');
printBugNumber(BUGNUMBER);
printStatus (summary);
jit(true);
if (typeof gcparam != 'undefined')
{
gcparam("maxBytes", 22000);
}
const numRows = 600;
const numCols = 600;
var scratch = {};
var scratchZ = {};
function complexMult(a, b) {
var newr = a.r * b.r - a.i * b.i;
var newi = a.r * b.i + a.i * b.r;
scratch.r = newr;
scratch.i = newi;
return scratch;
}
function complexAdd(a, b) {
scratch.r = a.r + b.r;
scratch.i = a.i + b.i;
return scratch;
}
function abs(a) {
return Math.sqrt(a.r * a.r + a.i * a.i);
}
function computeEscapeSpeed(c) {
scratchZ.r = scratchZ.i = 0;
const scaler = 5;
const threshold = (colors.length - 1) * scaler + 1;
for (var i = 1; i < threshold; ++i) {
scratchZ = complexAdd(c, complexMult(scratchZ, scratchZ));
if (scratchZ.r * scratchZ.r + scratchZ.i * scratchZ.i > 4) {
return Math.floor((i - 1) / scaler) + 1;
}
}
return 0;
}
const colorStrings = [
"black",
"green",
"blue",
"red",
"purple",
"orange",
"cyan",
"yellow",
"magenta",
"brown",
"pink",
"chartreuse",
"darkorange",
"crimson",
"gray",
"deeppink",
"firebrick",
"lavender",
"lawngreen",
"lightsalmon",
"lime",
"goldenrod"
];
var colors = [];
function createMandelSet(realRange, imagRange) {
var start = new Date();
// Set up our colors
for each (var color in colorStrings) {
var [r, g, b] = [0, 0, 0];
colors.push([r, g, b, 0xff]);
}
var realStep = (realRange.max - realRange.min)/numCols;
var imagStep = (imagRange.min - imagRange.max)/numRows;
for (var i = 0, curReal = realRange.min;
i < numCols;
++i, curReal += realStep) {
for (var j = 0, curImag = imagRange.max;
j < numRows;
++j, curImag += imagStep) {
var c = { r: curReal, i: curImag }
var n = computeEscapeSpeed(c);
}
}
print(Date.now() - start);
}
var realRange = { min: -2.1, max: 2 };
var imagRange = { min: -2, max: 2 };
createMandelSet(realRange, imagRange);
jit(false);
reportCompare(expect, actual, summary);
exitFunc ('test');
}