blob: 4e82863b1c6cd7742f9254571b089007f0c5b84e (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
|
// |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()
{
printBugNumber(BUGNUMBER);
printStatus (summary);
for (var i=0; i<UBound; i++)
{
reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]);
}
}
|
