third_party/WebKit/LayoutTests/media/track/track-change-event.html - Issue 1873093003: Convert track tests from video-test.js to testharness.js based

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Issue 1873093003: Convert track tests from video-test.js to testharness.js based (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: address comments Created 4 years, 8 months ago

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1 <!DOCTYPE html>	1 <!DOCTYPE html>

2 <html>	2 <title>Tests that the 'change' event is fired when a TextTrack's mode changes.</ title>

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

4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />	4 <script src="../../resources/testharnessreport.js"></script>

	5 <script>

	6 async_test(function(t) {

	7 var video = document.createElement('video');

	8 var track = video.addTextTrack('subtitles', 'test', 'en');

5	9

6 <script src=../media-file.js></script>	10 // addTextTrack() defaults to "hidden", so "showing"

7 <!-- TODO(philipj): Convert test to testharness.js. crbug.com/588956	11 // should trigger a "change" event.

8 (Please avoid writing new tests using video-test.js) -->	12 track.mode = 'showing';

9 <script src=../video-test.js></script>	13 assert_equals(video.textTracks.length, 1);

10 <script>

11	14

12 var track;	15 video.textTracks.onchange = t.step_func_done(function() {

13	16 assert_equals(event.target, video.textTracks);

14 function changed()	17 assert_true(event instanceof Event, 'instanceof');

15 {	18 assert_equals(event.track, undefined);

16 consoleWrite("EVENT(" + event.type + ")");	19 });

17	20 });

18 testExpected("event.target", video.textTracks);	21 </script>

19 testExpected("event instanceof window.Event", true);

20 testExpected("event.track", undefined);

21

22 consoleWrite("");

23 endTest();

24 }

25

26 function start()

27 {

28 findMediaElement();

29

30 consoleWrite("** Test a TextTrack created with addTextTrack().") ;

31 run("track = video.addTextTrack('subtitles', 'test', 'en')");

32

33 /* addTextTrack() defaults to "hidden", so "showing" should trig ger

34 * a "change" event. */

35 run("track.mode = 'showing'");

36 testExpected("video.textTracks.length", 1);

37

38 video.textTracks.addEventListener("change", changed);

39 }

40

41 </script>

42 </head>

43 <body onload="start()">

44 <p>Tests that the 'change' event is fired when a TextTrack's mode change s.</p>

45 <video>

46 </video>

47 </body>

48 </html>

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