third_party/WebKit/LayoutTests/media/controls/closed-captions-on-off.html - Issue 2539023002: Media Controls: Use events to update controls for closed captions.

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Issue 2539023002: Media Controls: Use events to update controls for closed captions. (Closed)

Patch Set: review comments Created 4 years ago

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	1 <!DOCTYPE html>

	2 <title>Tests that tracks can be turned on and off through the track selection me nu.</title>

	3 <script src='../../resources/testharness.js'></script>

	4 <script src='../../resources/testharnessreport.js'></script>

	5 <script src='../media-controls.js'></script>

	6 <script src='../media-file.js'></script>

	7 <video controls></video>

	8 <script>

	9 async_test(t => {

	10 var captions = ['First', 'Second', 'Third'];

	11 var video = document.querySelector('video');

	12

	13 video.oncanplaythrough = t.step_func(_ => {

	14 var track1 = video.addTextTrack('captions');

	15 var track2 = video.addTextTrack('captions');

	16

	17 for (var i = 0; i < captions.length; ++i) {

	18 track1.addCue(new VTTCue(0, 120, captions[i]));

	19 track2.addCue(new VTTCue(0, 120, captions[i]));

	20 }

	21

	22 // The controls are updated asynchronously.

	23 assert_false(isClosedCaptionsButtonVisible(video));

	24

	25 setTimeout(t.step_func_done(_ => {

	26 assert_true(isClosedCaptionsButtonVisible(video));

	27

	28 // The captions track should be listed in textTracks, but not yet loaded.

	29 assert_equals(video.textTracks.length, 2);

	30 assert_equals(video.textTracks[0].mode, 'hidden');

	31 assert_equals(video.textTracks[1].mode, 'hidden');

	32 checkCaptionsHidden(video);

	33

	34 // Captions track should become visible after the track is selected.

	35 clickTextTrackAtIndex(video, 0);

	36 checkCaptionsVisible(video, captions);

	37

	38 // Captions should not be visible after they're turned off through the men u.

	39 turnClosedCaptionsOff(video);

	40 checkCaptionsHidden(video);

	41

	42 // Captions track should become visible after the track is selected again.

	43 clickTextTrackAtIndex(video, 0);

	44 checkCaptionsVisible(video, captions);

	45 }));

	46 });

	47

	48 video.src = findMediaFile('video', '../content/counting');

	49 });

	50 </script>

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