зеркало из https://github.com/mozilla/gecko-dev.git
120 строки
3.5 KiB
JavaScript
120 строки
3.5 KiB
JavaScript
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Mozilla Public License Version
|
|
* 1.1 (the "License"); you may not use this file except in compliance with
|
|
* the License. You may obtain a copy of the License at
|
|
* http://www.mozilla.org/MPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
|
* for the specific language governing rights and limitations under the
|
|
* License.
|
|
*
|
|
* The Original Code is mozilla.org code.
|
|
*
|
|
* The Initial Developer of the Original Code is
|
|
* Netscape Communications Corporation.
|
|
* Portions created by the Initial Developer are Copyright (C) 1998
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
* pschwartau@netscape.com
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either the GNU General Public License Version 2 or later (the "GPL"), or
|
|
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
|
* in which case the provisions of the GPL or the LGPL are applicable instead
|
|
* of those above. If you wish to allow use of your version of this file only
|
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
|
* use your version of this file under the terms of the MPL, indicate your
|
|
* decision by deleting the provisions above and replace them with the notice
|
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
|
* the provisions above, a recipient may use your version of this file under
|
|
* the terms of any one of the MPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** /
|
|
|
|
/*
|
|
* 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 gTestfile = 'regress-101964.js';
|
|
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');
|
|
}
|