js/xpconnect/tests/chrome/test_weakmap_keys_preserved2.xul@6474c204b198
js/xpconnect/tests/chrome/test_weakmap_keys_preserved2.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.
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"/>
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>
17 <!-- test code goes here -->
18 <script type="application/javascript">
19 <![CDATA[
20 /** Test for Bug 673468 **/
22 let Cc = Components.classes;
23 let Cu = Components.utils;
24 let Ci = Components.interfaces;
26 SpecialPowers.DOMWindowUtils.garbageCollect();
28 let get_live_dom = function () {
29 return document.getElementById("testelem");
30 };
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;
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();
44 dead_dom.abcxyz = wrappee;
46 let system = Cc["@mozilla.org/systemprincipal;1"].createInstance();
47 let sandbox = Cu.Sandbox(system);
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;
55 live_dom.xyzabc = {wrappee: wrappee, m: map, sb: sandbox};
57 let key = Cu.nondeterministicGetWeakMapKeys(map)[0];
58 let value = map.get(key);
59 is(value.children.length, 1, "children have wrong length");
60 }
62 wrappers_as_keys_test();
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 }
75 Cu.schedulePreciseGC(function () {
76 SpecialPowers.DOMWindowUtils.cycleCollect();
77 SpecialPowers.DOMWindowUtils.garbageCollect();
79 check_wrappers_as_keys();
80 });
82 ]]>
83 </script>
84 </window>
