third_party/WebKit/LayoutTests/media/video-controls-captions.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: zqzhang review comments Created 4 years ago

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1 <!DOCTYPE html>

2 <title>Tests that the closed captions button enables track switching.</title>

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

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

5 <script src="media-file.js"></script>

6 <script src="media-controls.js"></script>

7 <video controls>

8 <track src="track/captions-webvtt/captions-fast.vtt" kind="captions">

9 <track src="track/captions-webvtt/captions-rtl.vtt" kind="captions">

10 </video>

11 <script>

12 async_test(function(t) {

13 var video = document.querySelector("video");

14

15 video.oncanplaythrough = t.step_func(function() {

16 assert_true(isClosedCaptionsButtonVisible(video));

17

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

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

20 assert_equals(video.textTracks[0].mode, "disabled");

21 assert_equals(textTrackContainerElement(video), null);

22

23 var tracks = document.querySelectorAll("track");

24 tracks[0].onload = t.step_func(function() {

25 assert_equals(textTrackDisplayElement(video).innerText, "Lorem");

26

27 // Captions should not be visible after Off is clicked.

28 turnClosedCaptionsOff(video);

29 assert_equals(textTrackDisplayElement(video), null);

30

31 // Remove DOM node representing the track element.

32 tracks[1].remove();

33 tracks[0].remove();

34 assert_false(isClosedCaptionsButtonVisible(video));

35

36 addUnloadableHTMLTrackElement();

37 assert_true(isClosedCaptionsButtonVisible(video));

38

39 clickTextTrackAtIndex(video, 0);

40 });

41

42 // Captions track should load and captions should become visible after a track is selected.

43 clickTextTrackAtIndex(video, 0);

44 });

45

46 function addUnloadableHTMLTrackElement() {

47 // Add non-default text track through HTML with unloadable URI.

48 var track = document.createElement("track");

49 track.setAttribute("kind", "captions");

50 track.setAttribute("srclang", "en");

51 track.setAttribute("src", "invalid.vtt");

52

53 track.onerror = t.step_func_done(function() {

54 // Track failed to load.

55 assert_false(isClosedCaptionsButtonVisible(video));

56 // Add a text track through JS to the video element.

57 var newTrack = video.addTextTrack("captions", "English", "en");

58 assert_true(isClosedCaptionsButtonVisible(video));

59 });

60

61 video.appendChild(track);

62 assert_equals(track.readyState, HTMLTrackElement.NONE);

63 assert_equals(track.track.mode, "disabled");

64 assert_equals(video.textTracks.length, 1);

65 }

66

67 video.src = findMediaFile("video", "content/counting");

68 });

69 </script>

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