2 * The contents of this file are subject to the Netscape Public
3 * License Version 1.1 (the "License"); you may not use this file
4 * except in compliance with the License. You may obtain a copy of
5 * the License at http://www.mozilla.org/NPL/
7 * Software distributed under the License is distributed on an "AS
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9 * implied. See the License for the specific language governing
10 * rights and limitations under the License.
12 * The Original Code is mozilla.org code.
14 * The Initial Developer of the Original Code is Netscape
15 * Communications Corporation. Portions created by Netscape are
16 * Copyright (C) 1998 Netscape Communications Corporation.
17 * All Rights Reserved.
19 * Contributor(s): pschwartau@netscape.com
20 * Date: 27 September 2001
22 * SUMMARY: Performance: truncating even very large arrays should be fast!
23 * See http://bugzilla.mozilla.org/show_bug.cgi?id=101964
25 * Adjust this testcase if necessary. The FAST constant defines
26 * an upper bound in milliseconds for any truncation to take.
28 //-----------------------------------------------------------------------------
31 var summary = 'Performance: truncating even very large arrays should be fast!';
34 var FAST = 50; // array truncation should be 50 ms or less to pass the test
35 var MSG_FAST = 'Truncation took less than ' + FAST + ' ms';
36 var MSG_SLOW = 'Truncation took ';
41 var actualvalues = [];
43 var expectedvalues = [];
47 status = inSection(1);
49 var start = new Date();
51 actual = elapsedTime(start);
57 //-----------------------------------------------------------------------------
59 //-----------------------------------------------------------------------------
63 function elapsedTime(startTime)
65 return new Date() - startTime;
71 statusitems[UBound] = status;
72 actualvalues[UBound] = isThisFast(actual);
73 expectedvalues[UBound] = isThisFast(expect);
78 function isThisFast(ms)
82 return MSG_SLOW + ms + MSG_MS;
90 printStatus (summary);
92 for (var i=0; i<UBound; i++)
94 reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]);