<?xml version="1.0"?> <?xml-stylesheet type="text/css" href="chrome://global/skin"?> <?xml-stylesheet type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"?> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=673468 --> <window title="Mozilla Bug " xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"> <script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"/> <!-- test results are displayed in the html:body --> <body xmlns="http://www.w3.org/1999/xhtml"> <a id="testelem" href="https://bugzilla.mozilla.org/show_bug.cgi?id=" target="_blank">Mozilla Bug 673468</a> </body> <!-- test code goes here --> <script type="application/javascript"> <![CDATA[ /** Test for Bug 673468 **/ let Cc = Components.classes; let Cu = Components.utils; let Ci = Components.interfaces; SpecialPowers.DOMWindowUtils.garbageCollect(); let get_live_dom = function () { return document.getElementById("testelem"); }; let wrappers_as_keys_test = function () { let e = new MessageEvent("foo", { bubbles: false, cancellable: false, data: { dummy: document.createElement("foo") }}); window.eeeevent = e; let live_dom = e.data.dummy; let dead_dom = document.createElement("div"); let dead_child = document.createElement("div"); dead_dom.appendChild(dead_child); is(dead_dom.children.length, 1, "children have wrong length"); let wrappee = new Object(); dead_dom.abcxyz = wrappee; let system = Cc["@mozilla.org/systemprincipal;1"].createInstance(); let sandbox = Cu.Sandbox(system); sandbox.wrapper = wrappee; sandbox.value = dead_dom; let map = Cu.evalInSandbox("wm = new WeakMap(); wm.set(wrapper, value); wm", sandbox); sandbox.wrapper = null; sandbox.value = null; live_dom.xyzabc = {wrappee: wrappee, m: map, sb: sandbox}; let key = ThreadSafeChromeUtils.nondeterministicGetWeakMapKeys(map)[0]; let value = map.get(key); is(value.children.length, 1, "children have wrong length"); } wrappers_as_keys_test(); let check_wrappers_as_keys = function () { let live_dom = window.eeeevent.data.dummy; let live_map = live_dom.xyzabc.m; let sandbox = live_dom.xyzabc.sb; is(ThreadSafeChromeUtils.nondeterministicGetWeakMapKeys(live_map).length, 1, "Map should not be empty."); let key = ThreadSafeChromeUtils.nondeterministicGetWeakMapKeys(live_map)[0]; let value = live_map.get(key); is(value.children.length, 1, "children have wrong length"); } Cu.schedulePreciseGC(function () { SpecialPowers.DOMWindowUtils.cycleCollect(); SpecialPowers.DOMWindowUtils.garbageCollect(); check_wrappers_as_keys(); }); ]]> </script> </window>