blob: 766e373e2ea51549e3ce287c6104c2cf25502069 [file] [log] [blame]
<!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>