LayoutTests/fast/mediastream/MediaStream-page-muted.html

   1 <!DOCTYPE HTML>
   2 <html>
   3     <head>
   4         <script src="../../resources/js-test-pre.js"></script>
   5         <script>
   6             let mediaStream;
   7             let eventCount = 0;
   8             let muteChangedEvent;
   9
  10             function nextStep()
  11             {
  12                 if (muteChangedEvent.type == "unmute") {
  13                     finishJSTest();
  14                     return;
  15                 }
  16
  17                 debug("<br>*** Unmuting capture devices");
  18                 eventCount = 0;
  19                 internals.setPageMuted("");
  20             }
  21
  22             function muteChanged(ev)
  23             {
  24                 muteChangedEvent = ev;
  25                 debug(`EVENT: ${muteChangedEvent.type}`);
  26                 shouldBe('muteChangedEvent.target.muted', (muteChangedEvent.type == "mute").toString());
  27                 shouldBe("window.internals.pageMediaState().includes('HasMediaCaptureDevice')", "true");
  28
  29                 if (++eventCount == 2) {
  30                     debug("");
  31                     let shouldBeActive = muteChangedEvent.type == "mute" ? "false" : "true";
  32                     shouldBecomeEqual("window.internals.pageMediaState().includes('HasActiveMediaCaptureDevice')", shouldBeActive, nextStep);
  33                 }
  34             }
  35
  36             function muteCaptureDevices()
  37             {
  38                 debug("<br>*** Muting capture devices");
  39                 internals.setPageMuted("capturedevices");
  40             }
  41
  42             function testWhenEnabled()
  43             {
  44                 navigator.mediaDevices
  45                     .getUserMedia({audio:{}, video:{}})
  46                     .then(stream => {
  47                         mediaStream = stream;
  48                         shouldBeType("mediaStream", "Object");
  49                         shouldBe("mediaStream.getTracks().length", "2");
  50
  51                         var tracks = mediaStream.getTracks();
  52                         for (var i = 0; i < tracks.length; i++) {
  53                             tracks[i].onmute = muteChanged;
  54                             tracks[i].onunmute = muteChanged;
  55                         }
  56
  57                         shouldBecomeEqual("window.internals.pageMediaState().includes('HasActiveMediaCaptureDevice')", "true", muteCaptureDevices);
  58                     })
  59                     .catch((err) => {
  60                         testFailed(`mediaDevices.getUserMedia() failed with ${err.name}`);
  61                         finishJSTest();
  62                     });
  63             }
  64
  65             function start()
  66             {
  67                 debug(`<br>*** Mock capture devices should be enabled by default`);
  68                 if (window.testRunner)
  69                     testRunner.setUserMediaPermission(true);
  70
  71                 testWhenEnabled();
  72             }
  73
  74         </script>
  75     </head>
  76
  77     <body onload="start()">
  78         <p id="description"></p>
  79         <div id="console"></div>
  80         <script>
  81             description("Test enabling/disabling mock media capture devices");
  82             window.jsTestIsAsync = true;
  83
  84             window.successfullyParsed = true;
  85         </script>
  86         <script src="../../resources/js-test-post.js"></script>
  87     </body>
  88 </html>