LayoutTests/media/muted-video-is-playing-audio.html

   1 <!DOCTYPE html>
   2 <html>
   3     <head>
   4         <script src="../resources/js-test-pre.js"></script>
   5     </head>
   6     <body>
   7         <video src="content/audio-tracks.mp4" controls autoplay loop></video>
   8         <script src="media-file.js"></script>
   9         <script src="video-test.js"></script>
  10         <script>
  11             description("Testing that muting a video element should result in page's audio playing state to become false");
  12
  13             jsTestIsAsync = true;
  14
  15             function testUnmutingVideo()
  16             {
  17                 run("video.muted = false");
  18                 shouldBecomeEqual("window.internals.pageMediaState().includes('IsPlayingAudio')", "true", finishJSTest);
  19             }
  20
  21             function testMutingVideo()
  22             {
  23                 run("video.muted = true");
  24                 shouldBecomeEqual("window.internals.pageMediaState().includes('IsPlayingAudio')", "false", testUnmutingVideo);
  25             }
  26
  27             shouldBecomeEqual("window.internals.pageMediaState().includes('IsPlayingAudio')", "true", testMutingVideo);
  28         </script>
  29         <script src="../resources/js-test-post.js"></script>
  30     </body>
  31 </html>