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// |reftest| random -- bogus perf test (bug 467263)
/* -*- 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/.
/*
* Date: 27 September 2001
*
* SUMMARY: Performance: truncating even very large arrays should be fast!
* See http://bugzilla.mozilla.org/show_bug.cgi?id=101964
*
* Adjust this testcase if necessary. The FAST constant defines
* an upper bound in milliseconds for any truncation to take.
*/
//-----------------------------------------------------------------------------
var UBound = 0;
var BUGNUMBER = 101964;
var summary = 'Performance: truncating even very large arrays should be fast!';
var BIG = 10000000;
var LITTLE = 10;
var FAST = 50; // array truncation should be 50 ms or less to pass the test
var MSG_FAST = 'Truncation took less than ' + FAST + ' ms';
var MSG_SLOW = 'Truncation took ';
var MSG_MS = ' ms';
var status = '';
var statusitems = [];
var actual = '';
var actualvalues = [];
var expect= '';
var expectedvalues = [];
status = inSection(1);
var arr = Array(BIG);
var start = new Date();
arr.length = LITTLE;
actual = elapsedTime(start);
expect = FAST;
addThis();
//-----------------------------------------------------------------------------
test();
//-----------------------------------------------------------------------------
function elapsedTime(startTime)
{
return new Date() - startTime;
}
function addThis()
{
statusitems[UBound] = status;
actualvalues[UBound] = isThisFast(actual);
expectedvalues[UBound] = isThisFast(expect);
UBound++;
}
function isThisFast(ms)
{
if (ms <= FAST)
return MSG_FAST;
return MSG_SLOW + ms + MSG_MS;
}
function test()
{
enterFunc ('test');
printBugNumber(BUGNUMBER);
printStatus (summary);
for (var i=0; i<UBound; i++)
{
reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]);
}
exitFunc ('test');
}
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