The Tor Browser / file comparison
comparison: js/xpconnect/tests/chrome/test_paris_weakmap_keys.xul
js/xpconnect/tests/chrome/test_paris_weakmap_keys.xul
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
equal
deleted
inserted
replaced
| -1:000000000000 | 0:1016b136d7f9 |
|---|---|
| 1 <?xml version="1.0"?> | |
| 2 <?xml-stylesheet type="text/css" href="chrome://global/skin"?> | |
| 3 <?xml-stylesheet type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"?> | |
| 4 <!-- | |
| 5 https://bugzilla.mozilla.org/show_bug.cgi?id=777385 | |
| 6 --> | |
| 7 <window title="Mozilla Bug 777385" | |
| 8 xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"> | |
| 9 <div></div> | |
| 10 <div id="mydivname"></div> | |
| 11 <script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"/> | |
| 12 | |
| 13 <!-- test results are displayed in the html:body --> | |
| 14 <body xmlns="http://www.w3.org/1999/xhtml"> | |
| 15 <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=" | |
| 16 target="_blank">Mozilla Bug 777385</a> | |
| 17 </body> | |
| 18 | |
| 19 <!-- test code goes here --> | |
| 20 <script type="application/javascript"> | |
| 21 <![CDATA[ | |
| 22 /** Test for Bug 777385 **/ | |
| 23 | |
| 24 let Cu = Components.utils; | |
| 25 | |
| 26 let live_map = new WeakMap; | |
| 27 | |
| 28 let get_div_style = function () { | |
| 29 return document.getElementById("mydivname").style; | |
| 30 } | |
| 31 | |
| 32 let make_live_map = function () { | |
| 33 let my_div_style = get_div_style(); | |
| 34 let div_fail = false; | |
| 35 try { | |
| 36 live_map.set(my_div_style, 12345); | |
| 37 } catch (e) { | |
| 38 div_fail = true; | |
| 39 } | |
| 40 ok(!div_fail, "Using elem.style as a weak map key should not produce an exception."); | |
| 41 | |
| 42 is(live_map.get(get_div_style()), 12345, "Live map should have live style with right value before GC."); | |
| 43 | |
| 44 } | |
| 45 | |
| 46 make_live_map(); | |
| 47 | |
| 48 // RGBColor is a non-nsISupports refCounted class using WebIDL bindings. | |
| 49 | |
| 50 // non-nsISupports cycle-collected classes should fail as weak map keys. | |
| 51 let context = window.getComputedStyle(document.documentElement, null).getPropertyCSSValue("color").getRGBColorValue(); | |
| 52 let contextFail = false; | |
| 53 try { | |
| 54 live_map.set(context, 2); | |
| 55 } catch (e) { | |
| 56 contextFail = true; | |
| 57 } | |
| 58 | |
| 59 ok(contextFail, "Cycle collected non-nsISupports classes aren't allowed as weak map keys."); | |
| 60 | |
| 61 /* Set up for running precise GC/CC then check the results. */ | |
| 62 | |
| 63 SimpleTest.waitForExplicitFinish(); | |
| 64 | |
| 65 Cu.schedulePreciseGC(function () { | |
| 66 SpecialPowers.DOMWindowUtils.cycleCollect(); | |
| 67 SpecialPowers.DOMWindowUtils.garbageCollect(); | |
| 68 SpecialPowers.DOMWindowUtils.garbageCollect(); | |
| 69 | |
| 70 is(Cu.nondeterministicGetWeakMapKeys(live_map).length, 1, | |
| 71 "Live nsISupports new DOM bindings wrappercached native weak map key should not be removed."); | |
| 72 | |
| 73 is(live_map.get(get_div_style()), 12345, "Live map should have live style with right value after GC."); | |
| 74 | |
| 75 SimpleTest.finish(); | |
| 76 }); | |
| 77 | |
| 78 ]]> | |
| 79 </script> | |
| 80 </window> |
