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<!DOCTYPE html>
<title>MediaSession.setPositionState</title>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script>
test(() => {
window.navigator.mediaSession.setPositionState(null);
}, 'Test setPositionState with a null value');
test(() => {
window.navigator.mediaSession.setPositionState({
duration: 60.9,
position: 10.1,
playbackRate: 1.5
});
}, 'Test setPositionState with a valid value for forward playback');
test(() => {
window.navigator.mediaSession.setPositionState({
duration: 60.9,
playbackRate: 1.0
});
}, 'Test setPositionState with optional position');
test(() => {
window.navigator.mediaSession.setPositionState({
duration: 60.9,
position: 10.1
});
}, 'Test setPositionState with optional playback rate');
test(() => {
window.navigator.mediaSession.setPositionState({
duration: 60.9
});
}, 'Test setPositionState with only duration');
test(() => {
window.navigator.mediaSession.setPositionState({
duration: 0
});
}, 'Test setPositionState with zero duration');
test(() => {
window.navigator.mediaSession.setPositionState({
duration: 60.9,
position: 10.1,
playbackRate: -2.0
});
}, 'Test setPositionState with negative playback rate');
test(() => {
assert_throws_js(
TypeError,
_ => {
window.navigator.mediaSession.setPositionState({
duration: -1
});
});
}, 'Test setPositionState throws a TypeError if duration is negative');
test(() => {
assert_throws_js(
TypeError,
_ => {
window.navigator.mediaSession.setPositionState({
duration: 10,
position: -1
});
});
}, 'Test setPositionState throws a TypeError if position is negative');
test(() => {
assert_throws_js(
TypeError,
_ => {
window.navigator.mediaSession.setPositionState({
duration: 10,
position: 20
});
});
}, 'Test setPositionState throws a TypeError if duration is less than position');
test(() => {
assert_throws_js(
TypeError,
_ => {
window.navigator.mediaSession.setPositionState({
duration: 60.9,
position: 10.1,
playbackRate: 0.0
});
});
}, 'Test setPositionState throws a TypeError if playback rate is zero');
test(() => {
assert_throws_js(
TypeError,
_ => {
window.navigator.mediaSession.setPositionState({
position: 10.1,
playbackRate: 1.0
});
});
}, 'Test setPositionState throws a TypeError if duration is not specified');
</script>
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