michael@0: // |reftest| skip-if(!xulRuntime.shell||Android) slow -- bug 504632
michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: //-----------------------------------------------------------------------------
michael@0: var BUGNUMBER = 456826;
michael@0: var summary = 'Do not assert with JIT during OOM';
michael@0: var actual = 'No Crash';
michael@0: var expect = 'No Crash';
michael@0: 
michael@0: 
michael@0: //-----------------------------------------------------------------------------
michael@0: test();
michael@0: //-----------------------------------------------------------------------------
michael@0: 
michael@0: function test()
michael@0: {
michael@0:   enterFunc ('test');
michael@0:   printBugNumber(BUGNUMBER);
michael@0:   printStatus (summary);
michael@0: 
michael@0:   jit(true);
michael@0: 
michael@0:   if (typeof gcparam != 'undefined')
michael@0:   {
michael@0:     gc();
michael@0:     gc();
michael@0:     gcparam("maxBytes", gcparam("gcBytes") + 4*1024);
michael@0:     expectExitCode(5);
michael@0:   }
michael@0: 
michael@0:   const numRows = 600;
michael@0:   const numCols = 600;
michael@0:   var scratch = {};
michael@0:   var scratchZ = {};
michael@0: 
michael@0:   function complexMult(a, b) {
michael@0:     var newr = a.r * b.r - a.i * b.i;
michael@0:     var newi = a.r * b.i + a.i * b.r;
michael@0:     scratch.r = newr;
michael@0:     scratch.i = newi;
michael@0:     return scratch;
michael@0:   }
michael@0: 
michael@0:   function complexAdd(a, b) {
michael@0:     scratch.r = a.r + b.r;
michael@0:     scratch.i = a.i + b.i;
michael@0:     return scratch;
michael@0:   }
michael@0: 
michael@0:   function abs(a) {
michael@0:     return Math.sqrt(a.r * a.r + a.i * a.i);
michael@0:   }
michael@0: 
michael@0:   function computeEscapeSpeed(c) {
michael@0:     scratchZ.r = scratchZ.i = 0;
michael@0:     const scaler = 5;
michael@0:     const threshold = (colors.length - 1) * scaler + 1;
michael@0:     for (var i = 1; i < threshold; ++i) {
michael@0:       scratchZ = complexAdd(c, complexMult(scratchZ, scratchZ));
michael@0:       if (scratchZ.r * scratchZ.r + scratchZ.i * scratchZ.i > 4) {
michael@0:         return Math.floor((i - 1) / scaler) + 1;
michael@0:       }
michael@0:     }
michael@0:     return 0;
michael@0:   }
michael@0: 
michael@0:   const colorStrings = [
michael@0:     "black",
michael@0:     "green",
michael@0:     "blue",
michael@0:     "red",
michael@0:     "purple",
michael@0:     "orange",
michael@0:     "cyan",
michael@0:     "yellow",
michael@0:     "magenta",
michael@0:     "brown",
michael@0:     "pink",
michael@0:     "chartreuse",
michael@0:     "darkorange",
michael@0:     "crimson",
michael@0:     "gray",
michael@0:     "deeppink",
michael@0:     "firebrick",
michael@0:     "lavender",
michael@0:     "lawngreen",
michael@0:     "lightsalmon",
michael@0:     "lime",
michael@0:     "goldenrod"
michael@0:     ];
michael@0: 
michael@0:   var colors = [];
michael@0: 
michael@0:   function createMandelSet(realRange, imagRange) {
michael@0:     var start = new Date();
michael@0: 
michael@0:     // Set up our colors
michael@0:     for each (var color in colorStrings) {
michael@0:         var [r, g, b] = [0, 0, 0];
michael@0:         colors.push([r, g, b, 0xff]);
michael@0:       }
michael@0: 
michael@0:     var realStep = (realRange.max - realRange.min)/numCols;
michael@0:     var imagStep = (imagRange.min - imagRange.max)/numRows;
michael@0:     for (var i = 0, curReal = realRange.min;
michael@0:          i < numCols;
michael@0:          ++i, curReal += realStep) {
michael@0:       for (var j = 0, curImag = imagRange.max;
michael@0:            j < numRows;
michael@0:            ++j, curImag += imagStep) {
michael@0:         var c = { r: curReal, i: curImag }
michael@0:         var n = computeEscapeSpeed(c);
michael@0:       }
michael@0:     }
michael@0:     print(Date.now() - start);
michael@0:   }
michael@0: 
michael@0:   var realRange = { min: -2.1, max: 2 };
michael@0:   var imagRange = { min: -2, max: 2 };
michael@0:   createMandelSet(realRange, imagRange);
michael@0: 
michael@0:   jit(false);
michael@0: 
michael@0:   reportCompare(expect, actual, summary);
michael@0: 
michael@0:   exitFunc ('test');
michael@0: }