third_party/WebKit/LayoutTests/imported/wpt/mediacapture-streams/MediaStreamTrack-MediaElement-disabled-video-is-black.html - Issue 2086283003: Update web-platform-tests

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Issue 2086283003: Update web-platform-tests (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Merge branch 'master' into wpt_import Created 4 years, 5 months ago

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1 <!doctype html>

2 <html>

3 <head>

4 <title>A disabled video track is rendered as blackness</title>

5 <link rel="author" title="Dominique Hazael-Massieux" href="mailto:dom@w3.org"/>

6 <link rel="help" href="http://dev.w3.org/2011/webrtc/editor/getusermedia.html#in troduction">

7 <link rel="help" href="http://dev.w3.org/2011/webrtc/editor/getusermedia.html#me diastreams-as-media-elements">

8 </head>

9 <body>

10 <p class="instructions">When prompted, accept to share your video stream.</p>

11 <h1 class="instructions">Description</h1>

12 <p class="instructions">This test checks that a disabled video track in a

13 MediaStream is rendered as blackness.</p>

14 <video id="vid"></video>

15

16 <div id='log'></div>

17 <script src=/resources/testharness.js></script>

18 <script src=/resources/testharnessreport.js></script>

19 <script src="/common/vendor-prefix.js" data-prefixed-objects='[{"ancestors":["na vigator"], "name":"getUserMedia"}]' data-prefixed-prototypes='[{"ancestors":["HT MLMediaElement"],"name":"srcObject"}]'></script>

20 <script>

21 var vid = document.getElementById("vid");

22 var cv = document.createElement("canvas");

23 var t = async_test("Tests that a disabled video track in a MediaStream is render ed as blackness", {timeout: 10000});

24 t.step(function() {

25 navigator.getUserMedia(

26 {video: true},

27 t.step_func(function (stream) {

28 var testOncePlaying = function() {

29 if (stream.getVideoTracks()[0].enabled) {

30 stream.getVideoTracks()[0].enabled = false;

31 return;

32 }

33

34 vid.removeEventListener("timeupdate", testOncePlaying, false);

35 cv.width = vid.offsetWidth;

36 cv.height = vid.offsetHeight;

37 var ctx = cv.getContext("2d");

38 ctx.drawImage(vid,0,0);

39 var imageData = ctx.getImageData(0, 0, cv.width, cv.height);

40 for (var i = 0; i < imageData.data.length; i+=4) {

41 assert_equals(imageData.data[i], 0, "No red component in pixel #" + i);

42 assert_equals(imageData.data[i + 1], 0, "No green component in pixel #" + i);

43 assert_equals(imageData.data[i + 2], 0, "No blue component in pixel #" + i);

44 assert_equals(imageData.data[i + 3], 255, "No transparency in pixel #" + i);

45 }

46 t.done();

47 }

48 vid.srcObject = stream;

49 vid.play();

50 vid.addEventListener("timeupdate", t.step_func(testOncePlaying), false);

51 }),

52 function(error) {});

53 });

54 </script>

55 </body>

56 </html>

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