The Tor Browser / file comparison
comparison: js/xpconnect/tests/chrome/test_weakmap_keys_preserved2.xul
js/xpconnect/tests/chrome/test_weakmap_keys_preserved2.xul
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| -1:000000000000 | 0:b668817c460c |
|---|---|
| 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=673468 | |
| 6 --> | |
| 7 <window title="Mozilla Bug " | |
| 8 xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"> | |
| 9 <script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"/> | |
| 10 | |
| 11 <!-- test results are displayed in the html:body --> | |
| 12 <body xmlns="http://www.w3.org/1999/xhtml"> | |
| 13 <a id="testelem" href="https://bugzilla.mozilla.org/show_bug.cgi?id=" | |
| 14 target="_blank">Mozilla Bug 673468</a> | |
| 15 </body> | |
| 16 | |
| 17 <!-- test code goes here --> | |
| 18 <script type="application/javascript"> | |
| 19 <![CDATA[ | |
| 20 /** Test for Bug 673468 **/ | |
| 21 | |
| 22 let Cc = Components.classes; | |
| 23 let Cu = Components.utils; | |
| 24 let Ci = Components.interfaces; | |
| 25 | |
| 26 SpecialPowers.DOMWindowUtils.garbageCollect(); | |
| 27 | |
| 28 let get_live_dom = function () { | |
| 29 return document.getElementById("testelem"); | |
| 30 }; | |
| 31 | |
| 32 let wrappers_as_keys_test = function () { | |
| 33 let e = new MessageEvent("foo", { bubbles: false, cancellable: false, | |
| 34 data: { dummy: document.createElement("foo") }}); | |
| 35 window.eeeevent = e; | |
| 36 | |
| 37 let live_dom = e.data.dummy; | |
| 38 let dead_dom = document.createElement("div"); | |
| 39 let dead_child = document.createElement("div"); | |
| 40 dead_dom.appendChild(dead_child); | |
| 41 is(dead_dom.children.length, 1, "children have wrong length"); | |
| 42 let wrappee = new Object(); | |
| 43 | |
| 44 dead_dom.abcxyz = wrappee; | |
| 45 | |
| 46 let system = Cc["@mozilla.org/systemprincipal;1"].createInstance(); | |
| 47 let sandbox = Cu.Sandbox(system); | |
| 48 | |
| 49 sandbox.wrapper = wrappee; | |
| 50 sandbox.value = dead_dom; | |
| 51 let map = Cu.evalInSandbox("wm = new WeakMap(); wm.set(wrapper, value); wm", sandbox); | |
| 52 sandbox.wrapper = null; | |
| 53 sandbox.value = null; | |
| 54 | |
| 55 live_dom.xyzabc = {wrappee: wrappee, m: map, sb: sandbox}; | |
| 56 | |
| 57 let key = Cu.nondeterministicGetWeakMapKeys(map)[0]; | |
| 58 let value = map.get(key); | |
| 59 is(value.children.length, 1, "children have wrong length"); | |
| 60 } | |
| 61 | |
| 62 wrappers_as_keys_test(); | |
| 63 | |
| 64 let check_wrappers_as_keys = function () { | |
| 65 let live_dom = window.eeeevent.data.dummy; | |
| 66 let live_map = live_dom.xyzabc.m; | |
| 67 let sandbox = live_dom.xyzabc.sb; | |
| 68 is(Cu.nondeterministicGetWeakMapKeys(live_map).length, 1, | |
| 69 "Map should not be empty."); | |
| 70 let key = Cu.nondeterministicGetWeakMapKeys(live_map)[0]; | |
| 71 let value = live_map.get(key); | |
| 72 is(value.children.length, 1, "children have wrong length"); | |
| 73 } | |
| 74 | |
| 75 Cu.schedulePreciseGC(function () { | |
| 76 SpecialPowers.DOMWindowUtils.cycleCollect(); | |
| 77 SpecialPowers.DOMWindowUtils.garbageCollect(); | |
| 78 | |
| 79 check_wrappers_as_keys(); | |
| 80 }); | |
| 81 | |
| 82 ]]> | |
| 83 </script> | |
| 84 </window> |
