The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/js/src/tests/js1_6/extensions/regress-456826.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,130 @@
     1.4 +// |reftest| skip-if(!xulRuntime.shell||Android) slow -- bug 504632
     1.5 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.9 +
    1.10 +//-----------------------------------------------------------------------------
    1.11 +var BUGNUMBER = 456826;
    1.12 +var summary = 'Do not assert with JIT during OOM';
    1.13 +var actual = 'No Crash';
    1.14 +var expect = 'No Crash';
    1.15 +
    1.16 +
    1.17 +//-----------------------------------------------------------------------------
    1.18 +test();
    1.19 +//-----------------------------------------------------------------------------
    1.20 +
    1.21 +function test()
    1.22 +{
    1.23 +  enterFunc ('test');
    1.24 +  printBugNumber(BUGNUMBER);
    1.25 +  printStatus (summary);
    1.26 +
    1.27 +  jit(true);
    1.28 +
    1.29 +  if (typeof gcparam != 'undefined')
    1.30 +  {
    1.31 +    gc();
    1.32 +    gc();
    1.33 +    gcparam("maxBytes", gcparam("gcBytes") + 4*1024);
    1.34 +    expectExitCode(5);
    1.35 +  }
    1.36 +
    1.37 +  const numRows = 600;
    1.38 +  const numCols = 600;
    1.39 +  var scratch = {};
    1.40 +  var scratchZ = {};
    1.41 +
    1.42 +  function complexMult(a, b) {
    1.43 +    var newr = a.r * b.r - a.i * b.i;
    1.44 +    var newi = a.r * b.i + a.i * b.r;
    1.45 +    scratch.r = newr;
    1.46 +    scratch.i = newi;
    1.47 +    return scratch;
    1.48 +  }
    1.49 +
    1.50 +  function complexAdd(a, b) {
    1.51 +    scratch.r = a.r + b.r;
    1.52 +    scratch.i = a.i + b.i;
    1.53 +    return scratch;
    1.54 +  }
    1.55 +
    1.56 +  function abs(a) {
    1.57 +    return Math.sqrt(a.r * a.r + a.i * a.i);
    1.58 +  }
    1.59 +
    1.60 +  function computeEscapeSpeed(c) {
    1.61 +    scratchZ.r = scratchZ.i = 0;
    1.62 +    const scaler = 5;
    1.63 +    const threshold = (colors.length - 1) * scaler + 1;
    1.64 +    for (var i = 1; i < threshold; ++i) {
    1.65 +      scratchZ = complexAdd(c, complexMult(scratchZ, scratchZ));
    1.66 +      if (scratchZ.r * scratchZ.r + scratchZ.i * scratchZ.i > 4) {
    1.67 +        return Math.floor((i - 1) / scaler) + 1;
    1.68 +      }
    1.69 +    }
    1.70 +    return 0;
    1.71 +  }
    1.72 +
    1.73 +  const colorStrings = [
    1.74 +    "black",
    1.75 +    "green",
    1.76 +    "blue",
    1.77 +    "red",
    1.78 +    "purple",
    1.79 +    "orange",
    1.80 +    "cyan",
    1.81 +    "yellow",
    1.82 +    "magenta",
    1.83 +    "brown",
    1.84 +    "pink",
    1.85 +    "chartreuse",
    1.86 +    "darkorange",
    1.87 +    "crimson",
    1.88 +    "gray",
    1.89 +    "deeppink",
    1.90 +    "firebrick",
    1.91 +    "lavender",
    1.92 +    "lawngreen",
    1.93 +    "lightsalmon",
    1.94 +    "lime",
    1.95 +    "goldenrod"
    1.96 +    ];
    1.97 +
    1.98 +  var colors = [];
    1.99 +
   1.100 +  function createMandelSet(realRange, imagRange) {
   1.101 +    var start = new Date();
   1.102 +
   1.103 +    // Set up our colors
   1.104 +    for each (var color in colorStrings) {
   1.105 +        var [r, g, b] = [0, 0, 0];
   1.106 +        colors.push([r, g, b, 0xff]);
   1.107 +      }
   1.108 +
   1.109 +    var realStep = (realRange.max - realRange.min)/numCols;
   1.110 +    var imagStep = (imagRange.min - imagRange.max)/numRows;
   1.111 +    for (var i = 0, curReal = realRange.min;
   1.112 +         i < numCols;
   1.113 +         ++i, curReal += realStep) {
   1.114 +      for (var j = 0, curImag = imagRange.max;
   1.115 +           j < numRows;
   1.116 +           ++j, curImag += imagStep) {
   1.117 +        var c = { r: curReal, i: curImag }
   1.118 +        var n = computeEscapeSpeed(c);
   1.119 +      }
   1.120 +    }
   1.121 +    print(Date.now() - start);
   1.122 +  }
   1.123 +
   1.124 +  var realRange = { min: -2.1, max: 2 };
   1.125 +  var imagRange = { min: -2, max: 2 };
   1.126 +  createMandelSet(realRange, imagRange);
   1.127 +
   1.128 +  jit(false);
   1.129 +
   1.130 +  reportCompare(expect, actual, summary);
   1.131 +
   1.132 +  exitFunc ('test');
   1.133 +}