1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
<?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>
|
