js/src/tests/js1_5/Regress/regress-404755.js

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1 // |reftest| skip -- unreliable - based on GC timing
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 var BUGNUMBER = 404755;
9 var summary = 'Do not consume heap when deleting property';
10 var actual = 'No leak';
11 var expect = 'No leak';
12
13
14 //-----------------------------------------------------------------------------
15 test();
16 //-----------------------------------------------------------------------------
17
18 function test()
19 {
20 enterFunc ('test');
21 printBugNumber(BUGNUMBER);
22 printStatus (summary);
23
24 var n = 1 << 22;
25 var o = {};
26 do {
27 o[0] = 0;
28 delete o[0];
29 } while (--n != 0);
30
31 gc();
32 var time = Date.now();
33 gc();
34 time = Date.now() - time;
35
36 o = {};
37 o[0] = 0;
38 delete o[0];
39 gc();
40 var time2 = Date.now();
41 gc();
42 time2 = Date.now() - time2;
43 print(time+" "+time2);
44 if (time > 2 && time > time2 * 5)
45 throw "A possible leak is observed";
46
47 reportCompare(expect, actual, summary);
48
49 exitFunc ('test');
50 }

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