The Tor Browser: docshell/test/chrome/bug396649

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 <?xml version="1.0"?>

     2 <?xml-stylesheet href="chrome://global/skin" type="text/css"?>

     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">

    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[

    21     // Define the generator-iterator for the tests.

    22     var tests = testIterator();

    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;

    31     ////

    32     // Execute the next test in the generator function.

    33     //

    34     function nextTest() {

    35       tests.next();

    36     }

    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);

    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       }

    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       }

    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       }

   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     }

   119   ]]></script>

   121   <browser type="content-primary" flex="1" id="content" src="about:blank"/>

   122 </window>

The Tor Browser / file revision