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Auto merge of #23156 - servo-wpt-sync:wpt_update_03-04-2019, r=jdm

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Sync WPT with upstream (03-04-2019)

Automated downstream sync of changes from upstream as of 03-04-2019.
[no-wpt-sync]

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bors-servo 2019-04-03 07:17:10 -04:00 • committed by GitHub
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55
tests/wpt/web-platform-tests/html/semantics/embedded-content/media-elements/playing-the-media-resource/loop-from-ended.tentative.html Normal file
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<!DOCTYPE html>
<title>Test looping edge case to verify http://crbug.com/364442.</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/media.js"></script>
<video></video>
<script>
// Seek towards end of video (for faster testing).
// Play video to end with "loop" set to false.
// Once ended, set "loop" to true. Call play.
// Verify that "seeked" event fires, seeking back to the beginning.
// Pause video and end test.
async_test(function(t) {
var video = document.querySelector("video");
video.onloadedmetadata = t.step_func(function() {
// Video is initially paused and "loop" unset.
assert_true(video.paused, "paused initially ");
assert_false(video.loop, "loop initially");
// Seek to just before the end of the video and play.
video.currentTime = video.duration - 0.5;
video.onended = t.step_func(function() {
// Verify played to end and stopped.
assert_true(video.ended, "ended at ended event");
assert_true(video.paused, "paused at ended event");
assert_equals(video.currentTime, video.duration, "currentTime at ended event");
// With playback ended, set "loop" attribute. This will cause ended == false.
// looping video cannot be "ended", only paused.
assert_false(video.loop, "loop at ended event");
video.loop = true;
assert_true(video.loop, "loop after seek");
assert_false(video.ended, "ended after seek");
assert_true(video.paused, "paused after seek");
video.onseeked = t.step_func_done(function() {
// Observed seek. Verify current time decreased and still playing.
assert_true(video.loop, "loop at seeked event")
assert_false(video.paused, "paused at seeked event");
assert_false(video.ended, "ended at seeked event");
assert_less_than(video.currentTime, video.duration, "currentTime at seeked event");
// Pausing now that test is over to prevent additional unwanted looping.
video.pause();
});
// Play video with "loop" set. Expect seek back to start.
video.play();
});
video.play();
});
video.src = getVideoURI("/media/movie_5");
});
</script>