| <!DOCTYPE html> |
| <title>Tests that the closed captions button enables track switching.</title> |
| <script src='../../resources/testharness.js'></script> |
| <script src='../../resources/testharnessreport.js'></script> |
| <script src='../media-controls.js'></script> |
| <video controls> |
| <track src='../track/captions-webvtt/captions-fast.vtt' kind='captions'> |
| <track src='../track/captions-webvtt/captions-rtl.vtt' kind='captions'> |
| </video> |
| <script> |
| async_test(t => { |
| var video = document.querySelector('video'); |
| enableTestMode(video); |
| |
| video.onplaying = t.step_func(_ => { |
| video.onplaying = null; |
| assert_true(isClosedCaptionsButtonEnabled(video)); |
| |
| // The captions track should be listed in textTracks, but not yet loaded. |
| assert_equals(video.textTracks.length, 2); |
| assert_equals(video.textTracks[0].mode, 'disabled'); |
| assert_equals(video.textTracks[1].mode, 'disabled'); |
| assert_equals(textTrackContainerElement(video), null); |
| |
| var tracks = document.querySelectorAll('track'); |
| tracks[0].onload = t.step_func(_ => { |
| // Resume video |
| video.play(); |
| |
| assert_equals(textTrackDisplayElement(video).innerText, 'Lorem'); |
| |
| // Captions should not be visible after Off is clicked. |
| turnClosedCaptionsOff(video, t.step_func(() => { |
| assert_equals(textTrackDisplayElement(video), null); |
| |
| // Remove the track elements. |
| tracks[1].remove(); |
| tracks[0].remove(); |
| |
| // The controls are updated asynchronously. |
| setTimeout(t.step_func(_ => { |
| assert_false(isClosedCaptionsButtonEnabled(video)); |
| |
| // Add non-default text track through HTML with unloadable URI. |
| var track = document.createElement('track'); |
| track.setAttribute('src', 'invalid.vtt'); |
| |
| track.onerror = t.step_func(_ => { |
| // Track failed to load. |
| assert_false(isClosedCaptionsButtonVisible(video)); |
| // Add a text track through JS to the video element. |
| var newTrack = video.addTextTrack('captions', 'English', 'en'); |
| setTimeout(t.step_func_done(_ => { |
| assert_true(isClosedCaptionsButtonEnabled(video)); |
| })); |
| }); |
| |
| video.appendChild(track); |
| assert_equals(track.readyState, HTMLTrackElement.NONE); |
| assert_equals(track.track.mode, 'disabled'); |
| assert_equals(video.textTracks.length, 1); |
| |
| setTimeout(t.step_func(_ => { |
| assert_true(isClosedCaptionsButtonEnabled(video)); |
| clickTextTrackAtIndex(video, 0); |
| })); |
| })); |
| })); |
| |
| }); |
| |
| // Captions track should load and captions should become visible after a track is selected. |
| clickTextTrackAtIndex(video, 0); |
| |
| // Pause the video until track is loaded |
| video.pause(); |
| }); |
| |
| video.src = '../content/counting.ogv'; |
| video.play(); |
| }); |
| </script> |
| |
