The Tor Browser / file comparison
comparison: js/src/tests/js1_5/Array/regress-101964.js
js/src/tests/js1_5/Array/regress-101964.js
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:18f993a73586 |
|---|---|
| 1 // |reftest| random -- bogus perf test (bug 467263) | |
| 2 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 3 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. | |
| 6 | |
| 7 /* | |
| 8 * Date: 27 September 2001 | |
| 9 * | |
| 10 * SUMMARY: Performance: truncating even very large arrays should be fast! | |
| 11 * See http://bugzilla.mozilla.org/show_bug.cgi?id=101964 | |
| 12 * | |
| 13 * Adjust this testcase if necessary. The FAST constant defines | |
| 14 * an upper bound in milliseconds for any truncation to take. | |
| 15 */ | |
| 16 //----------------------------------------------------------------------------- | |
| 17 var UBound = 0; | |
| 18 var BUGNUMBER = 101964; | |
| 19 var summary = 'Performance: truncating even very large arrays should be fast!'; | |
| 20 var BIG = 10000000; | |
| 21 var LITTLE = 10; | |
| 22 var FAST = 50; // array truncation should be 50 ms or less to pass the test | |
| 23 var MSG_FAST = 'Truncation took less than ' + FAST + ' ms'; | |
| 24 var MSG_SLOW = 'Truncation took '; | |
| 25 var MSG_MS = ' ms'; | |
| 26 var status = ''; | |
| 27 var statusitems = []; | |
| 28 var actual = ''; | |
| 29 var actualvalues = []; | |
| 30 var expect= ''; | |
| 31 var expectedvalues = []; | |
| 32 | |
| 33 | |
| 34 | |
| 35 status = inSection(1); | |
| 36 var arr = Array(BIG); | |
| 37 var start = new Date(); | |
| 38 arr.length = LITTLE; | |
| 39 actual = elapsedTime(start); | |
| 40 expect = FAST; | |
| 41 addThis(); | |
| 42 | |
| 43 | |
| 44 | |
| 45 //----------------------------------------------------------------------------- | |
| 46 test(); | |
| 47 //----------------------------------------------------------------------------- | |
| 48 | |
| 49 | |
| 50 | |
| 51 function elapsedTime(startTime) | |
| 52 { | |
| 53 return new Date() - startTime; | |
| 54 } | |
| 55 | |
| 56 | |
| 57 function addThis() | |
| 58 { | |
| 59 statusitems[UBound] = status; | |
| 60 actualvalues[UBound] = isThisFast(actual); | |
| 61 expectedvalues[UBound] = isThisFast(expect); | |
| 62 UBound++; | |
| 63 } | |
| 64 | |
| 65 | |
| 66 function isThisFast(ms) | |
| 67 { | |
| 68 if (ms <= FAST) | |
| 69 return MSG_FAST; | |
| 70 return MSG_SLOW + ms + MSG_MS; | |
| 71 } | |
| 72 | |
| 73 | |
| 74 function test() | |
| 75 { | |
| 76 enterFunc ('test'); | |
| 77 printBugNumber(BUGNUMBER); | |
| 78 printStatus (summary); | |
| 79 | |
| 80 for (var i=0; i<UBound; i++) | |
| 81 { | |
| 82 reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]); | |
| 83 } | |
| 84 | |
| 85 exitFunc ('test'); | |
| 86 } |
