| <!doctype html> |
| <html> |
| <head> |
| <title>The networkState of a media element that has assigned a MediaStream |
| should be NETWORK_LOADING if the stream is active and NETWORK_IDLE if the |
| stream is inactive. |
| </title> |
| </head> |
| <body> |
| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| <script> |
| var t = async_test("Tests that the networkState of a video element playing a " + |
| "MediaStream is updated correctly."); |
| t.step(function() { |
| navigator.mediaDevices.getUserMedia({audio:true, video: true}) |
| .then(t.step_func(stream => { |
| var video = document.createElement('video'); |
| assert_equals(video.networkState, HTMLMediaElement.NETWORK_EMPTY); |
| video.srcObject = stream; |
| setTimeout(()=>{ |
| assert_equals(video.networkState, HTMLMediaElement.NETWORK_LOADING); |
| stream.getTracks().forEach(track => track.stop()); |
| assert_equals(video.networkState, HTMLMediaElement.NETWORK_IDLE); |
| |
| // Removing and re-adding the stopped audio track does not change the |
| // network state. |
| var track = stream.getAudioTracks()[0]; |
| stream.removeTrack(track); |
| assert_equals(video.networkState, HTMLMediaElement.NETWORK_IDLE); |
| stream.addTrack(track); |
| assert_equals(video.networkState, HTMLMediaElement.NETWORK_IDLE); |
| |
| // Removing and re-adding the stopped tracks does not change the |
| // network state. |
| var track = stream.getVideoTracks()[0]; |
| stream.removeTrack(track); |
| assert_equals(video.networkState, HTMLMediaElement.NETWORK_IDLE); |
| stream.addTrack(track); |
| assert_equals(video.networkState, HTMLMediaElement.NETWORK_IDLE); |
| |
| var track = stream.getAudioTracks()[0]; |
| stream.removeTrack(track); |
| assert_equals(video.networkState, HTMLMediaElement.NETWORK_IDLE); |
| stream.addTrack(track); |
| assert_equals(video.networkState, HTMLMediaElement.NETWORK_IDLE); |
| |
| // Replacing the existing tracks with new active tracks does change the |
| // network state. |
| navigator.mediaDevices.getUserMedia({audio:true, video:true}).then( |
| t.step_func(stream2 => { |
| stream.removeTrack(stream.getAudioTracks()[0]); |
| stream.addTrack(stream2.getAudioTracks()[0]); |
| assert_equals(video.networkState, HTMLMediaElement.NETWORK_LOADING); |
| |
| stream.removeTrack(stream.getAudioTracks()[0]); |
| assert_equals(video.networkState, HTMLMediaElement.NETWORK_IDLE); |
| |
| stream.removeTrack(stream.getVideoTracks()[0]); |
| stream.addTrack(stream2.getVideoTracks()[0]); |
| assert_equals(video.networkState, HTMLMediaElement.NETWORK_LOADING); |
| |
| stream.removeTrack(stream.getVideoTracks()[0]); |
| assert_equals(video.networkState, HTMLMediaElement.NETWORK_IDLE); |
| |
| t.done(); |
| }), t.unreached_func); |
| }); |
| }), t.unreached_func); |
| }); |
| </script> |
| </body> |
| </html> |
