| <!DOCTYPE html> |
| <title>Tests that the cue display tree has been removed properly and no crash happens.</title> |
| <script src="../media-controls.js"></script> |
| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| <video> |
| <track src="captions-webvtt/captions.vtt" kind="captions" default> |
| </video> |
| <script> |
| async_test(function(t) { |
| var video = document.querySelector("video"); |
| video.src = "../content/test.ogv"; |
| |
| video.play(); |
| video.oncanplaythrough = t.step_func_done(function() { |
| // Empty the contents of the video element when it is ready to play. |
| video.textContent = ""; |
| |
| // Text track should not be rendered anymore. |
| try { |
| textTrackDisplayElement(video); |
| assert_unreached("textTrackDisplayElement did not throw"); |
| } catch (e) { |
| } |
| }); |
| }); |
| </script> |
