docshell/test/chrome/bug321671_window.xul

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rwxr-xr-x

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 <?xml version="1.0"?>
     2 <?xml-stylesheet href="chrome://global/skin" type="text/css"?>
     4 <window id="321671Test"
     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 321671 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 321671:  Scroll position 
    40     // should be retained when moving backwards and forwards through pages 
    41     // when bfcache is enabled.
    42     //
    43     function testIterator()
    44     {
    45       // Variable to hold the scroll positions of the test pages.
    46       var scrollPositions = [];
    48       // Make sure bfcache is on.
    49       enableBFCache(true);
    51       // Load enough test pages that so the first one is evicted from the
    52       // bfcache, scroll down on each page, and save the 
    53       // current scroll position before continuing.  Verify that each
    54       // page we're navigating away from is initially put into the bfcache.
    55       for (var i = 0; i <= MAX_BFCACHE_PAGES + 1; i++) {
    56         doPageNavigation( {
    57            uri: "data:text/html,<html><head><title>bug321671 page" + (i + 1) + 
    58                 "</title></head>" +
    59                 "<body><table border='1' width='300' height='1000'>" + 
    60                 "<tbody><tr><td>" +
    61                 " page " + (i + 1) + ": foobar foobar foobar foobar " +
    62                 "</td></tr></tbody></table> " +
    63                 "</body></html>",
    64            eventsToListenFor: ["pageshow", "pagehide"],
    65            expectedEvents: [ { type: "pagehide",
    66                                persisted: true,
    67                                title: i == 0 ? 
    68                                  undefined : "bug321671 page" + i },
    69                              { type: "pageshow", 
    70                                title: "bug321671 page" + (i + 1) } ],
    71            onNavComplete: nextTest 
    72           } );
    73         yield undefined;
    75         is(TestWindow.getWindow().scrollY, 0, 
    76           "Page initially has non-zero scrollY position");
    77         TestWindow.getWindow().scrollByLines(10 + (2*i));
    78         ok(TestWindow.getWindow().scrollY > 0,
    79           "Page has zero scrollY position after scrolling");
    80         scrollPositions[i] = TestWindow.getWindow().scrollY; 
    81       }
    83       // Go back to the first page, one page at a time.  For each 'back' 
    84       // action, verify that its vertical scroll position is restored 
    85       // correctly.  Verify that the last page in the sequence
    86       // does not come from the bfcache.  Again verify that all pages 
    87       // that we navigate away from are initially
    88       // stored in the bfcache.
    89       for (i = MAX_BFCACHE_PAGES + 1; i > 0; i--) {
    90         doPageNavigation( {
    91           back: true,
    92           eventsToListenFor: ["pageshow", "pagehide"],
    93           expectedEvents: [ { type: "pagehide",
    94                               title: "bug321671 page" + (i+1),
    95                               persisted: true }, 
    96                             { type: "pageshow", 
    97                               title: "bug321671 page" + i,
    98                               persisted: i > 1 } ],
    99           onNavComplete: nextTest
   100         } );
   101         yield undefined;
   103         is(TestWindow.getWindow().scrollY, scrollPositions[i-1], 
   104           "Scroll position not restored while going back!");
   105       }
   107       // Traverse history forward now, and verify scroll position is still 
   108       // restored.  Similar to the backward traversal, verify that all
   109       // but the last page in the sequence comes from the bfcache.  Also 
   110       // verify that all of the pages get stored in the bfcache when we 
   111       // navigate away from them.
   112       for (i = 1; i <= MAX_BFCACHE_PAGES + 1; i++) {
   113         doPageNavigation( {
   114           forward: true,
   115           eventsToListenFor: ["pageshow", "pagehide"],
   116           expectedEvents: [ { type: "pagehide", 
   117                               persisted: true, 
   118                               title: "bug321671 page" + i },
   119                             { type: "pageshow", 
   120                               persisted: i < MAX_BFCACHE_PAGES + 1,
   121                               title: "bug321671 page" + (i + 1) } ],
   122           onNavComplete: nextTest
   123         } );
   124         yield undefined;
   126         is(TestWindow.getWindow().scrollY, scrollPositions[i],
   127           "Scroll position not restored while going forward!");
   128       }
   130       // Tell the framework the test is finished.  Include the final 'yield' 
   131       // statement to prevent a StopIteration exception from being thrown.
   132       finish();
   133       yield undefined;
   134     }
   136   ]]></script>
   138   <browser type="content-primary" flex="1" id="content" src="about:blank"/>
   139 </window>

mercurial