docshell/test/chrome/bug396649_window.xul

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/docshell/test/chrome/bug396649_window.xul	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,122 @@
     1.4 +<?xml version="1.0"?>
     1.5 +<?xml-stylesheet href="chrome://global/skin" type="text/css"?>
     1.6 +
     1.7 +<window id="396649Test"
     1.8 +        xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
     1.9 +        width="600"
    1.10 +        height="600"
    1.11 +        onload="setTimeout(nextTest,0);"
    1.12 +        title="bug 396649 test">
    1.13 +
    1.14 +  <script type="text/javascript"
    1.15 +          src="chrome://mochikit/content/tests/SimpleTest/specialpowersAPI.js"/>
    1.16 +  <script type="text/javascript"
    1.17 +          src="chrome://mochikit/content/tests/SimpleTest/SpecialPowersObserverAPI.js"/>
    1.18 +  <script type="text/javascript"
    1.19 +          src="chrome://mochikit/content/tests/SimpleTest/ChromePowers.js"/>
    1.20 +  <script type="application/javascript" src= "chrome://mochikit/content/chrome-harness.js" />
    1.21 +  <script type="application/javascript" src="docshell_helpers.js" />
    1.22 +  <script type="application/javascript"><![CDATA[
    1.23 +  
    1.24 +    // Define the generator-iterator for the tests.
    1.25 +    var tests = testIterator();
    1.26 +    
    1.27 +    // Maximum number of entries in the bfcache for this session history.
    1.28 +    // This number is hardcoded in docshell code.  In the test, we'll
    1.29 +    // navigate through enough pages so that we hit one that's been
    1.30 +    // evicted from the bfcache because it's farther from the current
    1.31 +    // page than this number.
    1.32 +    const MAX_BFCACHE_PAGES = 3;
    1.33 +
    1.34 +    ////
    1.35 +    // Execute the next test in the generator function.
    1.36 +    //
    1.37 +    function nextTest() {
    1.38 +      tests.next();
    1.39 +    }
    1.40 +
    1.41 +    ////
    1.42 +    // Generator function for test steps for bug 396649:  Content
    1.43 +    // viewers should be evicted from bfcache when going back if more
    1.44 +    // than MAX_BFCACHE_PAGES from the current index.
    1.45 +    //
    1.46 +    function testIterator()
    1.47 +    {
    1.48 +      // Make sure bfcache is on.
    1.49 +      enableBFCache(true);
    1.50 +      
    1.51 +      // Load enough pages so that the first loaded is eviced from
    1.52 +      // the bfcache, since it is greater the MAX_BFCACHE_PAGES from
    1.53 +      // the current position in the session history. Verify all
    1.54 +      // of the pages are initially stored in the bfcache when
    1.55 +      // they're unloaded.
    1.56 +      for (var i = 0; i <= MAX_BFCACHE_PAGES + 1; i++) {
    1.57 +        doPageNavigation( {
    1.58 +           uri: "data:text/html,<!DOCTYPE html><html>" + 
    1.59 +                "<head><title>bug396649 page" + i + 
    1.60 +                "</title></head>" +
    1.61 +                "<body>" + 
    1.62 +                "test page " + i +
    1.63 +                "</body></html>",
    1.64 +           eventsToListenFor: ["pageshow", "pagehide"],
    1.65 +           expectedEvents: [ { type: "pagehide",
    1.66 +                               title: i == 0 ? 
    1.67 +                                 undefined : "bug396649 page" + (i-1),
    1.68 +                               persisted: true },
    1.69 +                             { type: "pageshow", 
    1.70 +                               title: "bug396649 page" + i } ],
    1.71 +           onNavComplete: nextTest 
    1.72 +          } );
    1.73 +        yield undefined;
    1.74 +      }
    1.75 +            
    1.76 +      // Go back to the first page, one page at a time.  The first 
    1.77 +      // MAX_BFCACHE_PAGES pages loaded via back should come from the bfcache, 
    1.78 +      // the last should not, since it should have been evicted during the 
    1.79 +      // previous navigation sequence.  Verify all pages are initially stored
    1.80 +      // in the bfcache when they're unloaded.
    1.81 +      for (i = MAX_BFCACHE_PAGES + 1; i > 0; i--) {
    1.82 +        doPageNavigation( {
    1.83 +          back: true,
    1.84 +          eventsToListenFor: ["pageshow", "pagehide"],
    1.85 +          expectedEvents: [ { type: "pagehide",
    1.86 +                              title: "bug396649 page" + i,
    1.87 +                              persisted: true },
    1.88 +                            { type: "pageshow", 
    1.89 +                              title: "bug396649 page" + (i - 1),
    1.90 +                              persisted: i > 1 } ],
    1.91 +          onNavComplete: nextTest
    1.92 +        } );
    1.93 +        yield undefined;
    1.94 +      }
    1.95 +      
    1.96 +      // Traverse history forward now.  Again, the first MAX_BFCACHE_PAGES
    1.97 +      // pages should come from the bfcache, the last should not,
    1.98 +      // since it should have been evicted during the backwards
    1.99 +      // traversal above.  Verify all pages are initially stored
   1.100 +      // in the bfcache when they're unloaded.
   1.101 +      for (i = 1; i <= MAX_BFCACHE_PAGES + 1; i++) {
   1.102 +        doPageNavigation( {
   1.103 +          forward: true,
   1.104 +          eventsToListenFor: ["pageshow", "pagehide"],
   1.105 +          expectedEvents: [ { type: "pagehide",
   1.106 +                              title: "bug396649 page" + (i-1),
   1.107 +                              persisted: true },
   1.108 +                            { type: "pageshow", 
   1.109 +                              title: "bug396649 page" + i,
   1.110 +                              persisted: i < MAX_BFCACHE_PAGES + 1 } ],
   1.111 +          onNavComplete: nextTest
   1.112 +        } );
   1.113 +        yield undefined;
   1.114 +      }
   1.115 +      
   1.116 +      // Tell the framework the test is finished.  Include the final 'yield' 
   1.117 +      // statement to prevent a StopIteration exception from being thrown.
   1.118 +      finish();
   1.119 +      yield undefined;
   1.120 +    }
   1.121 +    
   1.122 +  ]]></script>
   1.123 +
   1.124 +  <browser type="content-primary" flex="1" id="content" src="about:blank"/>
   1.125 +</window>

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