The Tor Browser / file comparison
comparison: js/src/tests/js1_8/extensions/regress-394709.js
js/src/tests/js1_8/extensions/regress-394709.js
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:88fd0ae74913 |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 //----------------------------------------------------------------------------- | |
| 7 var BUGNUMBER = 394709; | |
| 8 var summary = 'Do not leak with object.watch and closure'; | |
| 9 var actual = 'No Leak'; | |
| 10 var expect = 'No Leak'; | |
| 11 | |
| 12 if (typeof countHeap == 'undefined') | |
| 13 { | |
| 14 countHeap = function () { | |
| 15 print('This test requires countHeap which is not supported'); | |
| 16 return 0; | |
| 17 }; | |
| 18 } | |
| 19 | |
| 20 //----------------------------------------------------------------------------- | |
| 21 test(); | |
| 22 //----------------------------------------------------------------------------- | |
| 23 | |
| 24 function test() | |
| 25 { | |
| 26 enterFunc ('test'); | |
| 27 printBugNumber(BUGNUMBER); | |
| 28 printStatus (summary); | |
| 29 | |
| 30 // Ensure that we flush all values so that gc() collects all objects that | |
| 31 // the user cannot reach from JS. | |
| 32 eval(); | |
| 33 | |
| 34 runtest(); | |
| 35 gc(); | |
| 36 var count1 = countHeap(); | |
| 37 runtest(); | |
| 38 gc(); | |
| 39 var count2 = countHeap(); | |
| 40 runtest(); | |
| 41 gc(); | |
| 42 var count3 = countHeap(); | |
| 43 /* Try to be tolerant of conservative GC noise: we want a steady leak. */ | |
| 44 if (count1 < count2 && count2 < count3) | |
| 45 throw "A leaky watch point is detected"; | |
| 46 | |
| 47 function runtest () { | |
| 48 var obj = { b: 0 }; | |
| 49 obj.watch('b', watcher); | |
| 50 | |
| 51 function watcher(id, old, value) { | |
| 52 ++obj.n; | |
| 53 return value; | |
| 54 } | |
| 55 } | |
| 56 | |
| 57 reportCompare(expect, actual, summary); | |
| 58 | |
| 59 exitFunc ('test'); | |
| 60 } |
