dom/tests/mochitest/bugs/test_bug534149.html

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1 <!DOCTYPE HTML>
2 <html>
3 <!--
4 https://bugzilla.mozilla.org/show_bug.cgi?id=534149
5 -->
6 <head>
7 <title>Test for Bug 534149</title>
8 <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
9 <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
10 </head>
11 <body>
12 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=534149">Mozilla Bug 534149</a>
13 <p id="display"></p>
14 <div id="content" style="display: none">
15
16 </div>
17 <pre id="test">
18 <script type="application/javascript">
19
20 /** Test for Bug 534149 **/
21 function getIDs(iframe) {
22 var win = iframe.contentWindow;
23 // Force inner creation
24 win.document;
25
26 var util = SpecialPowers.getDOMWindowUtils(win);
27 return [util.outerWindowID, util.currentInnerWindowID];
28 }
29
30 var i1 = document.createElement("iframe");
31 var i2 = document.createElement("iframe");
32
33 document.body.appendChild(i1);
34 var [i1outer, i1inner] = getIDs(i1);
35
36 document.body.appendChild(i2);
37 var [i2outer, i2inner] = getIDs(i2);
38
39 is(i1inner, i1outer + 1, "For frame 1, inner should come right after outer");
40 is(i2inner, i2outer + 1, "For frame 2, inner should come right after outer");
41 is(i2outer, i1inner + 1, "Frame 2 comes right after frame 1");
42
43 var innerWindowDestroyID;
44 var outerWindowDestroyID;
45
46 var outerObserver = {
47 observe: function(id) {
48 outerWindowDestroyID =
49 SpecialPowers.wrap(id).QueryInterface(SpecialPowers.Ci.nsISupportsPRUint64).data;
50 }
51 };
52 var innerObserver = {
53 observe: function(id) {
54 innerWindowDestroyID =
55 SpecialPowers.wrap(id).QueryInterface(SpecialPowers.Ci.nsISupportsPRUint64).data;
56 }
57 };
58
59 function removeFrame(iframe) {
60 SpecialPowers.addObserver(outerObserver, "outer-window-destroyed", false);
61 SpecialPowers.addObserver(innerObserver, "inner-window-destroyed", false);
62
63 iframe.parentNode.removeChild(iframe);
64 }
65
66 removeFrame(i1);
67 SimpleTest.waitForExplicitFinish();
68 SimpleTest.executeSoon(function() {
69 is(innerWindowDestroyID, i1inner, "inner window of frame 1 should be destroyed");
70 is(outerWindowDestroyID, i1outer, "outer window of frame 1 should be destroyed");
71 SpecialPowers.removeObserver(outerObserver, "outer-window-destroyed");
72 SpecialPowers.removeObserver(innerObserver, "inner-window-destroyed");
73 SimpleTest.finish();
74 });
75
76
77 </script>
78 </pre>
79 </body>
80 </html>

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