The Tor Browser: content/media/test/test_load.html@97036ab72558 (annotated)

content/media/test/test_load.html@97036ab72558 (annotated)

content/media/test/test_load.html

Tue, 06 Jan 2015 21:39:09 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Tue, 06 Jan 2015 21:39:09 +0100
branch: TOR_BUG_9701
changeset 8: 97036ab72558
permissions: -rw-r--r--

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

 <!DOCTYPE HTML>
 <html>
 <!--
 https://bugzilla.mozilla.org/show_bug.cgi?id=479859
 -->
 <head>
   <title>Test for Bug 479859</title>
   <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
   <script type="application/javascript" src="manifest.js"></script>
 </head>
 <body>
 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=479859">Mozilla Bug 479859</a>
 <p id="display"></p>
 <div id="content" style="display: none">
 </div>
 <pre id="test">
 <script type="text/javascript">
 function log(msg) {
   //document.getElementById('log').innerHTML += "<p>" + msg + "</p>";
 }
 // We don't track: progress, canplay, canplaythrough and stalled events,
 // as these can be delivered out of order, and/or multiple times.
 var gEventTypes = [ 'loadstart', 'abort', 'error', 'emptied', 'play',
   'pause', 'loadedmetadata', 'loadeddata', 'waiting', 'playing', 'seeking',
   'seeked', 'timeupdate', 'ended', 'ratechange', 'durationchange', 'volumechange' ];
 var gEventNum = 0;
 var gTestNum = 0;
 var gTestFileNum = 0;
 var gExpectedEvents = null;
 var gTest = null;
 var gTestName = "?";
 function listener(evt) {
   log('event ' + evt.type);
   ok(gEventNum < gExpectedEvents.length, gTestName+" - corrent number of events received");
   var expected = (gEventNum < gExpectedEvents.length) ? gExpectedEvents[gEventNum] : "NoEvent";
   is(evt.type, expected, gTestName+" - events received in order");
   gEventNum++;
   if (gEventNum == gExpectedEvents.length) {
     setTimeout(nextTest, 0);
   }
 }
 function source_error(evt) {
   log('event source_error');
   ok(evt.type == "error", "Should only get error events here");
   ok(gEventNum < gExpectedEvents.length, gTestName+" - corrent number of events received");
   var expected = (gEventNum < gExpectedEvents.length) ? gExpectedEvents[gEventNum] : "NoEvent";
   is("source_error", expected, gTestName+" - events received in order");
   gEventNum++;
   if (gEventNum == gExpectedEvents.length) {
     setTimeout(nextTest, 0);
   }
 }
 var gMedia = null;
 function createMedia(tag) {
   gMedia = document.createElement(tag);
   gMedia.preload = "auto";
   for (var i=0; i<gEventTypes.length; i++) {
     gMedia.addEventListener(gEventTypes[i], listener, false);
   }
 }
 function addSource(src, type) {
   var s = document.createElement("source");
   s.addEventListener("error", source_error, false);
   s.src = src;
   s.type = type;
   gMedia.appendChild(s);
   return s;
 }
 function prependSource(src, type) {
   var s = document.createElement("source");
   s.addEventListener("error", source_error, false);
   s.src = src;
   s.type = type;
   gMedia.insertBefore(s, gMedia.firstChild);
   return s;
 }
 var gTests = [
   {
     // Test 0: adding video to doc, then setting src should load implicitly.
     create:
       function(src, type) {
         document.body.appendChild(gMedia);
         gMedia.src = src;
       },
     expectedEvents: ['ratechange',  'loadstart', 'durationchange', 'loadedmetadata', 'loadeddata']
   }, {
     // Test 1: adding video to doc, then adding source.
     create:
       function(src, type) {
         document.body.appendChild(gMedia);
         addSource(src, type);
       },
     expectedEvents: ['loadstart', 'durationchange', 'loadedmetadata', 'loadeddata']
   },{
     // Test 2: video with multiple source, the first of which are bad, we should load the last,
     // and receive error events for failed loads on the source children.
     create:
       function(src, type) {
         document.body.appendChild(gMedia);
         addSource("404a", type);
         addSource("404b", type);
         addSource(src, type);
       },
     expectedEvents: ['loadstart', 'source_error', 'source_error', 'durationchange', 'loadedmetadata', 'loadeddata']
   }, {
     // Test 3:  video with bad src, good <source>, ensure that <source> aren't used.
     create:
       function(src, type) {
         gMedia.src = "404a";
         addSource(src, type);
         document.body.appendChild(gMedia);
       },
     expectedEvents: ['ratechange', 'loadstart', 'error']
   }, {
     // Test 4:  video with only bad source, loading, then adding a good source
     // -  should resume load.
     create:
       function(src, type) {
         addSource("404a", type);
         var s2 = addSource("404b", type);
         s2.addEventListener("error",
           function(e) {
             // Should awaken waiting load, causing successful load.
             addSource(src, type);
           },
           false);
         document.body.appendChild(gMedia);
       },
     expectedEvents: ['loadstart', 'source_error', 'source_error', 'durationchange', 'loadedmetadata', 'loadeddata']
   }, {
     // Test 5: video with only 1 bad source, let it fail to load, then prepend
     // a good <source> to the video, it shouldn't be selected, because the
     // "pointer" should be after the last child - the bad source.
     prepended: false,
     create:
       function(src, type) {
         var prepended = false;
         addSource("404a", type);
         var s2 = addSource("404b", type);
         s2.addEventListener("error",
           function(e) {
             // Should awaken waiting load, causing successful load.
             if (!prepended) {
               prependSource(src, type);
               prepended = true;
             }
           },
           false);
         document.body.appendChild(gMedia);
       },
     expectedEvents: ['loadstart', 'source_error', 'source_error']
   }
 ];
 function nextTest() {
   if (gMedia) {
     for (var i=0; i<gEventTypes.length; i++) {
       gMedia.removeEventListener(gEventTypes[i], listener, false);
     }
     removeNodeAndSource(gMedia);
     gMedia = null;
   }
   gEventNum = 0;
   if (gTestNum == gTests.length) {
     gTestNum = 0;
     ++gTestFileNum;
     if (gTestFileNum == gSmallTests.length) {
       SimpleTest.finish();
       return;
     }
   }
   var src = gSmallTests[gTestFileNum].name;
   var type = gSmallTests[gTestFileNum].type;
   var t = gTests[gTestNum];
   gTestNum++;
   createMedia(type.match(/^audio\//) ? "audio" : "video");
   if (!gMedia.canPlayType(type)) {
     // Unsupported type, skip to next test
     nextTest();
     return;
   }
   gTestName = "Test " + src + " " + (gTestNum - 1);
   log("Starting " + gTestName);
   gExpectedEvents = t.expectedEvents;
   t.create(src, type);
 }
 addLoadEvent(nextTest);
 SimpleTest.waitForExplicitFinish();
 </script>
 </pre>
 <div id="log" style="font-size: small"></div>
 </body>
 </html>

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content/media/test/test_load.html@97036ab72558 (annotated)

content/media/test/test_load.html