docshell/test/chrome/bug396649_window.xul

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TOR_BUG_9701
changeset 15
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-1:000000000000 0:40d33e110622
1 <?xml version="1.0"?>
2 <?xml-stylesheet href="chrome://global/skin" type="text/css"?>
3
4 <window id="396649Test"
5 xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
6 width="600"
7 height="600"
8 onload="setTimeout(nextTest,0);"
9 title="bug 396649 test">
10
11 <script type="text/javascript"
12 src="chrome://mochikit/content/tests/SimpleTest/specialpowersAPI.js"/>
13 <script type="text/javascript"
14 src="chrome://mochikit/content/tests/SimpleTest/SpecialPowersObserverAPI.js"/>
15 <script type="text/javascript"
16 src="chrome://mochikit/content/tests/SimpleTest/ChromePowers.js"/>
17 <script type="application/javascript" src= "chrome://mochikit/content/chrome-harness.js" />
18 <script type="application/javascript" src="docshell_helpers.js" />
19 <script type="application/javascript"><![CDATA[
20
21 // Define the generator-iterator for the tests.
22 var tests = testIterator();
23
24 // Maximum number of entries in the bfcache for this session history.
25 // This number is hardcoded in docshell code. In the test, we'll
26 // navigate through enough pages so that we hit one that's been
27 // evicted from the bfcache because it's farther from the current
28 // page than this number.
29 const MAX_BFCACHE_PAGES = 3;
30
31 ////
32 // Execute the next test in the generator function.
33 //
34 function nextTest() {
35 tests.next();
36 }
37
38 ////
39 // Generator function for test steps for bug 396649: Content
40 // viewers should be evicted from bfcache when going back if more
41 // than MAX_BFCACHE_PAGES from the current index.
42 //
43 function testIterator()
44 {
45 // Make sure bfcache is on.
46 enableBFCache(true);
47
48 // Load enough pages so that the first loaded is eviced from
49 // the bfcache, since it is greater the MAX_BFCACHE_PAGES from
50 // the current position in the session history. Verify all
51 // of the pages are initially stored in the bfcache when
52 // they're unloaded.
53 for (var i = 0; i <= MAX_BFCACHE_PAGES + 1; i++) {
54 doPageNavigation( {
55 uri: "data:text/html,<!DOCTYPE html><html>" +
56 "<head><title>bug396649 page" + i +
57 "</title></head>" +
58 "<body>" +
59 "test page " + i +
60 "</body></html>",
61 eventsToListenFor: ["pageshow", "pagehide"],
62 expectedEvents: [ { type: "pagehide",
63 title: i == 0 ?
64 undefined : "bug396649 page" + (i-1),
65 persisted: true },
66 { type: "pageshow",
67 title: "bug396649 page" + i } ],
68 onNavComplete: nextTest
69 } );
70 yield undefined;
71 }
72
73 // Go back to the first page, one page at a time. The first
74 // MAX_BFCACHE_PAGES pages loaded via back should come from the bfcache,
75 // the last should not, since it should have been evicted during the
76 // previous navigation sequence. Verify all pages are initially stored
77 // in the bfcache when they're unloaded.
78 for (i = MAX_BFCACHE_PAGES + 1; i > 0; i--) {
79 doPageNavigation( {
80 back: true,
81 eventsToListenFor: ["pageshow", "pagehide"],
82 expectedEvents: [ { type: "pagehide",
83 title: "bug396649 page" + i,
84 persisted: true },
85 { type: "pageshow",
86 title: "bug396649 page" + (i - 1),
87 persisted: i > 1 } ],
88 onNavComplete: nextTest
89 } );
90 yield undefined;
91 }
92
93 // Traverse history forward now. Again, the first MAX_BFCACHE_PAGES
94 // pages should come from the bfcache, the last should not,
95 // since it should have been evicted during the backwards
96 // traversal above. Verify all pages are initially stored
97 // in the bfcache when they're unloaded.
98 for (i = 1; i <= MAX_BFCACHE_PAGES + 1; i++) {
99 doPageNavigation( {
100 forward: true,
101 eventsToListenFor: ["pageshow", "pagehide"],
102 expectedEvents: [ { type: "pagehide",
103 title: "bug396649 page" + (i-1),
104 persisted: true },
105 { type: "pageshow",
106 title: "bug396649 page" + i,
107 persisted: i < MAX_BFCACHE_PAGES + 1 } ],
108 onNavComplete: nextTest
109 } );
110 yield undefined;
111 }
112
113 // Tell the framework the test is finished. Include the final 'yield'
114 // statement to prevent a StopIteration exception from being thrown.
115 finish();
116 yield undefined;
117 }
118
119 ]]></script>
120
121 <browser type="content-primary" flex="1" id="content" src="about:blank"/>
122 </window>

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