| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>Testing MediaDevices addEventListener/removeEventListener</title> |
| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| </head> |
| <body> |
| <video id="video" autoplay playsInline></video> |
| <script> |
| promise_test(async (test) => { |
| video.srcObject = await navigator.mediaDevices.getUserMedia({ video: true }); |
| const track = video.srcObject.getTracks()[0]; |
| |
| await video.play(); |
| |
| if (!window.internals) |
| return; |
| internals.setMediaSessionRestrictions("video", "backgroundprocessplaybackrestricted"); |
| |
| let mutePromise = new Promise(resolve => track.onmute = resolve); |
| internals.applicationDidEnterBackground(true); |
| internals.setMediaStreamTrackMuted(track, true); |
| await mutePromise; |
| |
| let counter = 100 |
| while (!video.paused && --counter > 0) |
| await new Promise(resolve => setTimeout(resolve, 50)); |
| assert_true(video.paused, "video paused"); |
| |
| let unmutePromise = new Promise(resolve => track.onunmute = resolve); |
| internals.applicationWillEnterForeground(false); |
| internals.setMediaStreamTrackMuted(track, false); |
| await unmutePromise; |
| |
| counter = 100; |
| while (video.paused && --counter > 0) |
| await new Promise(resolve => setTimeout(resolve, 50)); |
| assert_false(video.paused, "video resumed"); |
| |
| }, "MediaStream video should restart when going to foreground"); |
| </script> |
| </body> |
| </html> |
