| <!DOCTYPE html> |
| <title>addTextTrack() only accepts known "kind" values</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script> |
| test(function() { |
| var trackCount = 0; |
| |
| function addTrack(type) { |
| video.addTextTrack(type); |
| assert_equals(video.textTracks.length, ++trackCount); |
| } |
| |
| var video = document.createElement("video"); |
| assert_equals(video.textTracks.length, 0); |
| assert_throws_js(TypeError, function() { video.addTextTrack("kaptions"); }); |
| assert_equals(video.textTracks.length, 0); |
| |
| addTrack("subtitles"); |
| addTrack("captions"); |
| addTrack("descriptions"); |
| addTrack("chapters"); |
| addTrack("metadata"); |
| }); |
| </script> |
