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