regress-363258.js - mozsearch

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// |reftest| random -- bug 524788

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 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 = 363258;

var summary = 'Timer resolution';

var actual = '';

var expect = '';

//-----------------------------------------------------------------------------

test();

//-----------------------------------------------------------------------------

function test()

  printBugNumber(BUGNUMBER);

  printStatus (summary);

  var start = 0;

  var stop  = 0;

  var i;

  var limit = 0;

  var incr  = 10;

  var resolution = 5;

  while (stop - start == 0)

    limit += incr;

    start = Date.now();

    for (i = 0; i < limit; i++) {}

    stop = Date.now();

  print('limit=' + limit + ', resolution=' + resolution + ', time=' + (stop - start));

  expect = true;

  actual = (stop - start <= resolution);

  reportCompare(expect, actual, summary);