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

Thu, 22 Jan 2015 13:21:57 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 22 Jan 2015 13:21:57 +0100
branch
TOR_BUG_9701
changeset 15
b8a032363ba2
permissions
-rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

michael@0 1 // |reftest| skip-if(!xulRuntime.shell||Android) slow -- bug 504632
michael@0 2 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0 3 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 4 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 6
michael@0 7 //-----------------------------------------------------------------------------
michael@0 8 var BUGNUMBER = 456826;
michael@0 9 var summary = 'Do not assert with JIT during OOM';
michael@0 10 var actual = 'No Crash';
michael@0 11 var expect = 'No Crash';
michael@0 12
michael@0 13
michael@0 14 //-----------------------------------------------------------------------------
michael@0 15 test();
michael@0 16 //-----------------------------------------------------------------------------
michael@0 17
michael@0 18 function test()
michael@0 19 {
michael@0 20 enterFunc ('test');
michael@0 21 printBugNumber(BUGNUMBER);
michael@0 22 printStatus (summary);
michael@0 23
michael@0 24 jit(true);
michael@0 25
michael@0 26 if (typeof gcparam != 'undefined')
michael@0 27 {
michael@0 28 gc();
michael@0 29 gc();
michael@0 30 gcparam("maxBytes", gcparam("gcBytes") + 4*1024);
michael@0 31 expectExitCode(5);
michael@0 32 }
michael@0 33
michael@0 34 const numRows = 600;
michael@0 35 const numCols = 600;
michael@0 36 var scratch = {};
michael@0 37 var scratchZ = {};
michael@0 38
michael@0 39 function complexMult(a, b) {
michael@0 40 var newr = a.r * b.r - a.i * b.i;
michael@0 41 var newi = a.r * b.i + a.i * b.r;
michael@0 42 scratch.r = newr;
michael@0 43 scratch.i = newi;
michael@0 44 return scratch;
michael@0 45 }
michael@0 46
michael@0 47 function complexAdd(a, b) {
michael@0 48 scratch.r = a.r + b.r;
michael@0 49 scratch.i = a.i + b.i;
michael@0 50 return scratch;
michael@0 51 }
michael@0 52
michael@0 53 function abs(a) {
michael@0 54 return Math.sqrt(a.r * a.r + a.i * a.i);
michael@0 55 }
michael@0 56
michael@0 57 function computeEscapeSpeed(c) {
michael@0 58 scratchZ.r = scratchZ.i = 0;
michael@0 59 const scaler = 5;
michael@0 60 const threshold = (colors.length - 1) * scaler + 1;
michael@0 61 for (var i = 1; i < threshold; ++i) {
michael@0 62 scratchZ = complexAdd(c, complexMult(scratchZ, scratchZ));
michael@0 63 if (scratchZ.r * scratchZ.r + scratchZ.i * scratchZ.i > 4) {
michael@0 64 return Math.floor((i - 1) / scaler) + 1;
michael@0 65 }
michael@0 66 }
michael@0 67 return 0;
michael@0 68 }
michael@0 69
michael@0 70 const colorStrings = [
michael@0 71 "black",
michael@0 72 "green",
michael@0 73 "blue",
michael@0 74 "red",
michael@0 75 "purple",
michael@0 76 "orange",
michael@0 77 "cyan",
michael@0 78 "yellow",
michael@0 79 "magenta",
michael@0 80 "brown",
michael@0 81 "pink",
michael@0 82 "chartreuse",
michael@0 83 "darkorange",
michael@0 84 "crimson",
michael@0 85 "gray",
michael@0 86 "deeppink",
michael@0 87 "firebrick",
michael@0 88 "lavender",
michael@0 89 "lawngreen",
michael@0 90 "lightsalmon",
michael@0 91 "lime",
michael@0 92 "goldenrod"
michael@0 93 ];
michael@0 94
michael@0 95 var colors = [];
michael@0 96
michael@0 97 function createMandelSet(realRange, imagRange) {
michael@0 98 var start = new Date();
michael@0 99
michael@0 100 // Set up our colors
michael@0 101 for each (var color in colorStrings) {
michael@0 102 var [r, g, b] = [0, 0, 0];
michael@0 103 colors.push([r, g, b, 0xff]);
michael@0 104 }
michael@0 105
michael@0 106 var realStep = (realRange.max - realRange.min)/numCols;
michael@0 107 var imagStep = (imagRange.min - imagRange.max)/numRows;
michael@0 108 for (var i = 0, curReal = realRange.min;
michael@0 109 i < numCols;
michael@0 110 ++i, curReal += realStep) {
michael@0 111 for (var j = 0, curImag = imagRange.max;
michael@0 112 j < numRows;
michael@0 113 ++j, curImag += imagStep) {
michael@0 114 var c = { r: curReal, i: curImag }
michael@0 115 var n = computeEscapeSpeed(c);
michael@0 116 }
michael@0 117 }
michael@0 118 print(Date.now() - start);
michael@0 119 }
michael@0 120
michael@0 121 var realRange = { min: -2.1, max: 2 };
michael@0 122 var imagRange = { min: -2, max: 2 };
michael@0 123 createMandelSet(realRange, imagRange);
michael@0 124
michael@0 125 jit(false);
michael@0 126
michael@0 127 reportCompare(expect, actual, summary);
michael@0 128
michael@0 129 exitFunc ('test');
michael@0 130 }

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