| <!DOCTYPE html> |
| <html> |
| <head> |
| <title>audio-playback-volume-changes-with-restrictions-and-user-gestures</title> |
| <script src=media-file.js></script> |
| <script src=video-test.js></script> |
| |
| <script> |
| function runTest() |
| { |
| audio = document.getElementsByTagName('audio')[0]; |
| run('internals.setMediaElementRestrictions(audio, "RequireUserGestureForAudioRateChange")'); |
| |
| run('audio.src = findMediaFile("audio", "content/test")'); |
| run('audio.volume = 1'); |
| run('audio.play().then(failTest).catch(didPreventPlayback)'); |
| } |
| |
| function didPreventPlayback() |
| { |
| consoleWrite("Setting volume to 0 to allow playback"); |
| run('audio.volume = 0'); |
| run('audio.play().then(didPlaySilentAudio).catch(failTest)'); |
| } |
| |
| function didPlaySilentAudio() |
| { |
| consoleWrite("Ensure setting volume to non-zero value with a user gesture does not pause media in the presence of audio rate change restrictions"); |
| runWithKeyDown(() => { |
| run('audio.volume = 0.2'); |
| }); |
| testExpected('audio.paused', false); |
| endTest(); |
| } |
| </script> |
| </head> |
| |
| <body onload="runTest()"> |
| <audio controls></audio> |
| </body> |
| </html> |
