| <!DOCTYPE html> |
| <html> |
| <head> |
| <title>mock-currentPosition</title> |
| <script src="../video-test.js"></script> |
| <script> |
| window.addEventListener('load', async event => { |
| if (!window.internals) { |
| failTest('This test requires Internals'); |
| return; |
| } |
| |
| consoleWrite('Test that there is no current position before positionState has been set.') |
| run('navigator.mediaSession.setPositionState(null)'); |
| testDOMException('internals.currentMediaSessionPosition(navigator.mediaSession)', "DOMException.INVALID_STATE_ERR"); |
| |
| consoleWrite(''); |
| consoleWrite('Test that current position does not advance when session is "paused".') |
| run('navigator.mediaSession.playbackState = "paused"'); |
| run('navigator.mediaSession.setPositionState({ duration: 1, playbackRate: 1, position: 0 })'); |
| testExpected('internals.currentMediaSessionPosition(navigator.mediaSession)', 0); |
| consoleWrite('sleeping for 100ms'); |
| await sleepFor(100); |
| testExpected('internals.currentMediaSessionPosition(navigator.mediaSession)', 0); |
| |
| consoleWrite(''); |
| consoleWrite('Test that current position does advance when session is "playing".'); |
| run('navigator.mediaSession.playbackState = "playing"'); |
| consoleWrite('sleeping for 100ms'); |
| await sleepFor(100); |
| testExpected('internals.currentMediaSessionPosition(navigator.mediaSession)', 0, '>'); |
| |
| consoleWrite(''); |
| consoleWrite('Test that currentPosition does not move < 0 when playing backwards.') |
| run('navigator.mediaSession.setPositionState({ duration: 1, playbackRate: -100, position: 1 })'); |
| consoleWrite('sleeping for 100ms'); |
| await sleepFor(100); |
| testExpected('internals.currentMediaSessionPosition(navigator.mediaSession)', 0); |
| |
| consoleWrite(''); |
| consoleWrite('Test that currentPosition does not advance > duration when playing forwards.') |
| run('navigator.mediaSession.setPositionState({ duration: 1, playbackRate: 100, position: 0 })'); |
| consoleWrite('sleeping for 100ms'); |
| await sleepFor(100); |
| testExpected('internals.currentMediaSessionPosition(navigator.mediaSession)', 1); |
| endTest(); |
| }, {once: true}); |
| </script> |
| </head> |
| <body> |
| |
| </body> |
| </html> |
