js/xpconnect/tests/chrome/test_getweakmapkeys.xul@6474c204b198 (annotated)
js/xpconnect/tests/chrome/test_getweakmapkeys.xul
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | <?xml version="1.0"?> |
| michael@0 | 2 | <?xml-stylesheet type="text/css" href="chrome://global/skin"?> |
| michael@0 | 3 | <?xml-stylesheet type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"?> |
| michael@0 | 4 | <!-- |
| michael@0 | 5 | https://bugzilla.mozilla.org/show_bug.cgi?id=688277 |
| michael@0 | 6 | --> |
| michael@0 | 7 | <window title="Mozilla Bug " |
| michael@0 | 8 | xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"> |
| michael@0 | 9 | <script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"/> |
| michael@0 | 10 | |
| michael@0 | 11 | <!-- test results are displayed in the html:body --> |
| michael@0 | 12 | <body xmlns="http://www.w3.org/1999/xhtml"> |
| michael@0 | 13 | <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=" |
| michael@0 | 14 | target="_blank">Mozilla Bug 688277</a> |
| michael@0 | 15 | </body> |
| michael@0 | 16 | |
| michael@0 | 17 | <!-- test code goes here --> |
| michael@0 | 18 | <script type="application/javascript"> |
| michael@0 | 19 | <![CDATA[ |
| michael@0 | 20 | /** Test for Bug 688277 **/ |
| michael@0 | 21 | |
| michael@0 | 22 | let Cu = Components.utils; |
| michael@0 | 23 | |
| michael@0 | 24 | /* Fail gracefully if junk is passed in. */ |
| michael@0 | 25 | is(Cu.nondeterministicGetWeakMapKeys(11), undefined, |
| michael@0 | 26 | "nondeterministicGetWeakMapKeys should return undefined for non-objects"); |
| michael@0 | 27 | is(Cu.nondeterministicGetWeakMapKeys({}), undefined, |
| michael@0 | 28 | "nondeterministicGetWeakMapKeys should return undefined for non-weakmap objects"); |
| michael@0 | 29 | is(Cu.nondeterministicGetWeakMapKeys(null), undefined, |
| michael@0 | 30 | "nondeterministicGetWeakMapKeys should return undefined for null"); |
| michael@0 | 31 | |
| michael@0 | 32 | /* return an empty array for an empty WeakMap */ |
| michael@0 | 33 | let mempty = WeakMap(); |
| michael@0 | 34 | is(Cu.nondeterministicGetWeakMapKeys(mempty).length, 0, |
| michael@0 | 35 | "nondeterministicGetWeakMapKeys should return empty array for empty weakmap"); |
| michael@0 | 36 | |
| michael@0 | 37 | /* Test freeing/nonfreeing. */ |
| michael@0 | 38 | let m = WeakMap(); |
| michael@0 | 39 | let liveKeys = new Array(); |
| michael@0 | 40 | |
| michael@0 | 41 | let add_elements = function () { |
| michael@0 | 42 | let k1 = {}; |
| michael@0 | 43 | m.set(k1, "live1"); |
| michael@0 | 44 | liveKeys.push(k1); |
| michael@0 | 45 | |
| michael@0 | 46 | let k2 = {}; |
| michael@0 | 47 | m.set(k2, "dead1"); |
| michael@0 | 48 | |
| michael@0 | 49 | let k = {}; |
| michael@0 | 50 | m.set(k, k); /* simple cycle */ |
| michael@0 | 51 | }; |
| michael@0 | 52 | |
| michael@0 | 53 | add_elements(); |
| michael@0 | 54 | |
| michael@0 | 55 | Cu.schedulePreciseGC(function () { |
| michael@0 | 56 | let keys = Cu.nondeterministicGetWeakMapKeys(m); |
| michael@0 | 57 | is(liveKeys.length, 1, "Wrong number of live keys."); |
| michael@0 | 58 | is(keys.length, 1, "Should have one weak map key."); |
| michael@0 | 59 | is(m.get(keys[0]), "live1", "live1 should be live"); |
| michael@0 | 60 | SimpleTest.finish(); |
| michael@0 | 61 | }); |
| michael@0 | 62 | |
| michael@0 | 63 | SimpleTest.waitForExplicitFinish(); |
| michael@0 | 64 | |
| michael@0 | 65 | ]]> |
| michael@0 | 66 | </script> |
| michael@0 | 67 | </window> |
