1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/js/xpconnect/tests/chrome/test_weakmap_keys_preserved2.xul Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,84 @@
1.4 +<?xml version="1.0"?>
1.5 +<?xml-stylesheet type="text/css" href="chrome://global/skin"?>
1.6 +<?xml-stylesheet type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"?>
1.7 +<!--
1.8 +https://bugzilla.mozilla.org/show_bug.cgi?id=673468
1.9 +-->
1.10 +<window title="Mozilla Bug "
1.11 + xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
1.12 + <script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"/>
1.13 +
1.14 + <!-- test results are displayed in the html:body -->
1.15 + <body xmlns="http://www.w3.org/1999/xhtml">
1.16 + <a id="testelem" href="https://bugzilla.mozilla.org/show_bug.cgi?id="
1.17 + target="_blank">Mozilla Bug 673468</a>
1.18 + </body>
1.19 +
1.20 + <!-- test code goes here -->
1.21 + <script type="application/javascript">
1.22 + <![CDATA[
1.23 + /** Test for Bug 673468 **/
1.24 +
1.25 + let Cc = Components.classes;
1.26 + let Cu = Components.utils;
1.27 + let Ci = Components.interfaces;
1.28 +
1.29 + SpecialPowers.DOMWindowUtils.garbageCollect();
1.30 +
1.31 + let get_live_dom = function () {
1.32 + return document.getElementById("testelem");
1.33 + };
1.34 +
1.35 + let wrappers_as_keys_test = function () {
1.36 + let e = new MessageEvent("foo", { bubbles: false, cancellable: false,
1.37 + data: { dummy: document.createElement("foo") }});
1.38 + window.eeeevent = e;
1.39 +
1.40 + let live_dom = e.data.dummy;
1.41 + let dead_dom = document.createElement("div");
1.42 + let dead_child = document.createElement("div");
1.43 + dead_dom.appendChild(dead_child);
1.44 + is(dead_dom.children.length, 1, "children have wrong length");
1.45 + let wrappee = new Object();
1.46 +
1.47 + dead_dom.abcxyz = wrappee;
1.48 +
1.49 + let system = Cc["@mozilla.org/systemprincipal;1"].createInstance();
1.50 + let sandbox = Cu.Sandbox(system);
1.51 +
1.52 + sandbox.wrapper = wrappee;
1.53 + sandbox.value = dead_dom;
1.54 + let map = Cu.evalInSandbox("wm = new WeakMap(); wm.set(wrapper, value); wm", sandbox);
1.55 + sandbox.wrapper = null;
1.56 + sandbox.value = null;
1.57 +
1.58 + live_dom.xyzabc = {wrappee: wrappee, m: map, sb: sandbox};
1.59 +
1.60 + let key = Cu.nondeterministicGetWeakMapKeys(map)[0];
1.61 + let value = map.get(key);
1.62 + is(value.children.length, 1, "children have wrong length");
1.63 + }
1.64 +
1.65 + wrappers_as_keys_test();
1.66 +
1.67 + let check_wrappers_as_keys = function () {
1.68 + let live_dom = window.eeeevent.data.dummy;
1.69 + let live_map = live_dom.xyzabc.m;
1.70 + let sandbox = live_dom.xyzabc.sb;
1.71 + is(Cu.nondeterministicGetWeakMapKeys(live_map).length, 1,
1.72 + "Map should not be empty.");
1.73 + let key = Cu.nondeterministicGetWeakMapKeys(live_map)[0];
1.74 + let value = live_map.get(key);
1.75 + is(value.children.length, 1, "children have wrong length");
1.76 + }
1.77 +
1.78 + Cu.schedulePreciseGC(function () {
1.79 + SpecialPowers.DOMWindowUtils.cycleCollect();
1.80 + SpecialPowers.DOMWindowUtils.garbageCollect();
1.81 +
1.82 + check_wrappers_as_keys();
1.83 + });
1.84 +
1.85 + ]]>
1.86 + </script>
1.87 +</window>
