js/xpconnect/tests/chrome/test_paris_weakmap_keys.xul@6474c204b198 (annotated)
js/xpconnect/tests/chrome/test_paris_weakmap_keys.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=777385 |
| michael@0 | 6 | --> |
| michael@0 | 7 | <window title="Mozilla Bug 777385" |
| michael@0 | 8 | xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"> |
| michael@0 | 9 | <div></div> |
| michael@0 | 10 | <div id="mydivname"></div> |
| michael@0 | 11 | <script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"/> |
| michael@0 | 12 | |
| michael@0 | 13 | <!-- test results are displayed in the html:body --> |
| michael@0 | 14 | <body xmlns="http://www.w3.org/1999/xhtml"> |
| michael@0 | 15 | <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=" |
| michael@0 | 16 | target="_blank">Mozilla Bug 777385</a> |
| michael@0 | 17 | </body> |
| michael@0 | 18 | |
| michael@0 | 19 | <!-- test code goes here --> |
| michael@0 | 20 | <script type="application/javascript"> |
| michael@0 | 21 | <![CDATA[ |
| michael@0 | 22 | /** Test for Bug 777385 **/ |
| michael@0 | 23 | |
| michael@0 | 24 | let Cu = Components.utils; |
| michael@0 | 25 | |
| michael@0 | 26 | let live_map = new WeakMap; |
| michael@0 | 27 | |
| michael@0 | 28 | let get_div_style = function () { |
| michael@0 | 29 | return document.getElementById("mydivname").style; |
| michael@0 | 30 | } |
| michael@0 | 31 | |
| michael@0 | 32 | let make_live_map = function () { |
| michael@0 | 33 | let my_div_style = get_div_style(); |
| michael@0 | 34 | let div_fail = false; |
| michael@0 | 35 | try { |
| michael@0 | 36 | live_map.set(my_div_style, 12345); |
| michael@0 | 37 | } catch (e) { |
| michael@0 | 38 | div_fail = true; |
| michael@0 | 39 | } |
| michael@0 | 40 | ok(!div_fail, "Using elem.style as a weak map key should not produce an exception."); |
| michael@0 | 41 | |
| michael@0 | 42 | is(live_map.get(get_div_style()), 12345, "Live map should have live style with right value before GC."); |
| michael@0 | 43 | |
| michael@0 | 44 | } |
| michael@0 | 45 | |
| michael@0 | 46 | make_live_map(); |
| michael@0 | 47 | |
| michael@0 | 48 | // RGBColor is a non-nsISupports refCounted class using WebIDL bindings. |
| michael@0 | 49 | |
| michael@0 | 50 | // non-nsISupports cycle-collected classes should fail as weak map keys. |
| michael@0 | 51 | let context = window.getComputedStyle(document.documentElement, null).getPropertyCSSValue("color").getRGBColorValue(); |
| michael@0 | 52 | let contextFail = false; |
| michael@0 | 53 | try { |
| michael@0 | 54 | live_map.set(context, 2); |
| michael@0 | 55 | } catch (e) { |
| michael@0 | 56 | contextFail = true; |
| michael@0 | 57 | } |
| michael@0 | 58 | |
| michael@0 | 59 | ok(contextFail, "Cycle collected non-nsISupports classes aren't allowed as weak map keys."); |
| michael@0 | 60 | |
| michael@0 | 61 | /* Set up for running precise GC/CC then check the results. */ |
| michael@0 | 62 | |
| michael@0 | 63 | SimpleTest.waitForExplicitFinish(); |
| michael@0 | 64 | |
| michael@0 | 65 | Cu.schedulePreciseGC(function () { |
| michael@0 | 66 | SpecialPowers.DOMWindowUtils.cycleCollect(); |
| michael@0 | 67 | SpecialPowers.DOMWindowUtils.garbageCollect(); |
| michael@0 | 68 | SpecialPowers.DOMWindowUtils.garbageCollect(); |
| michael@0 | 69 | |
| michael@0 | 70 | is(Cu.nondeterministicGetWeakMapKeys(live_map).length, 1, |
| michael@0 | 71 | "Live nsISupports new DOM bindings wrappercached native weak map key should not be removed."); |
| michael@0 | 72 | |
| michael@0 | 73 | is(live_map.get(get_div_style()), 12345, "Live map should have live style with right value after GC."); |
| michael@0 | 74 | |
| michael@0 | 75 | SimpleTest.finish(); |
| michael@0 | 76 | }); |
| michael@0 | 77 | |
| michael@0 | 78 | ]]> |
| michael@0 | 79 | </script> |
| michael@0 | 80 | </window> |
