third_party/WebKit/LayoutTests/fast/imagecapture/ImageCapture-creation.html - Issue 1899403002: MediaStream Image Capture (2): Platform::ImageCaptureFrameGrabber and grabFrame()

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Issue 1899403002: MediaStream Image Capture (2): Platform::ImageCaptureFrameGrabber and grabFrame() (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Created 4 years, 8 months ago

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

2 <script src=../../resources/testharness.js></script>	2 <script src=../../resources/testharness.js></script>

3 <script src=../../resources/testharnessreport.js></script>	3 <script src=../../resources/testharnessreport.js></script>

4 <script src=../../resources/testharness-helpers.js></script>	4 <script src=../../resources/testharness-helpers.js></script>

5 <script>	5 <script>

6	6

7 // This test verifies that ImageCapture can be created (or not) with different	7 // This test verifies that ImageCapture can be created (or not) with different

8 // Media Stream Track types (audio, video). The simplest API method grabFrame()	8 // Media Stream Track types (audio, video).

9 // is also exercised here.

10	9

11 var test = async_test('exercises the ImageCapture API creation and grabFrame().' );	10 var testVideo = promise_test(function() {

12	11 const gotStream = this.step_func(function(stream) {

13 gotStream = test.step_func(function(stream) {	12 assert_equals(stream.getAudioTracks().length, 0);

14 assert_equals(stream.getAudioTracks().length, 1);

15 assert_equals(stream.getVideoTracks().length, 1);	13 assert_equals(stream.getVideoTracks().length, 1);

16 assert_throws("NotSupportedError",

17 function() {

18 capturer = new ImageCapture(stream.getAudioTracks()[0]);

19 },

20 'an ImageCapturer can only be created from a video track');

21

22 assert_equals(stream.getVideoTracks()[0].readyState, 'live');	14 assert_equals(stream.getVideoTracks()[0].readyState, 'live');

23 assert_true(stream.getVideoTracks()[0].enabled);	15 assert_true(stream.getVideoTracks()[0].enabled);

24 assert_false(stream.getVideoTracks()[0].muted);	16 assert_false(stream.getVideoTracks()[0].muted);

25 capturer = new ImageCapture(stream.getVideoTracks()[0]);

26	17

	18 var capturer = new ImageCapture(stream.getVideoTracks()[0]);

27 assert_equals(capturer.videoStreamTrack, stream.getVideoTracks()[0]);	19 assert_equals(capturer.videoStreamTrack, stream.getVideoTracks()[0]);

28	20

29 // TODO(mcasas): Remove this assert after the method is implemented, and

30 // substitute with something more relevant.

31 stream.getVideoTracks()[0].enabled = true;

32 assert_promise_rejects(capturer.grabFrame(),

33 'NotSupportedError',

34 'ImageCapturer grabFrame() is not implemented');

35

36 // Assert that grabFrame() is rejected if the associated video track is	21 // Assert that grabFrame() is rejected if the associated video track is

37 // disabled, or ended. grabFrame() would also reject if the video Track is	22 // disabled, or ended. grabFrame() would also reject if the video Track is

38 // muted but that's a read-only property.	23 // muted but that's a read-only property.

39 stream.getVideoTracks()[0].enabled = false;	24 stream.getVideoTracks()[0].enabled = false;

40 assert_promise_rejects(capturer.grabFrame(),	25 assert_promise_rejects(capturer.grabFrame(),

41 'InvalidStateError',	26 'InvalidStateError',

42 'ImageCapturer cannot grabFrame() of a disabled Track ');	27 'ImageCapturer cannot grabFrame() of a disabled Track ');

43	28

44 stream.getVideoTracks()[0].stop();	29 stream.getVideoTracks()[0].stop();

45 assert_equals(stream.getVideoTracks()[0].readyState, 'ended');	30 assert_equals(stream.getVideoTracks()[0].readyState, 'ended');

46 assert_promise_rejects(capturer.grabFrame(),	31 assert_promise_rejects(capturer.grabFrame(),

47 'InvalidStateError',	32 'InvalidStateError',

48 'ImageCapturer cannot grabFrame() of a non-live Track ');	33 'ImageCapturer cannot grabFrame() of a non-live Track ');

49	34

50 test.done();	35 this.done();

51 });	36 });

52	37

53 onError = test.step_func(function() {	38 const onError = this.step_func(function() {

54 assert_unreached('Error creating MediaStream');	39 assert_unreached('Error creating MediaStream');

55 });	40 });

56	41

57 navigator.webkitGetUserMedia({video:true, audio:true}, gotStream, onError);	42 navigator.webkitGetUserMedia({video:true}, gotStream, onError);

	43 }, 'verifies that ImageCapture API rejects grabFrame() in certain Track states.' );

	44

	45 var testAudio = promise_test(function() {

	46 const onError = this.step_func(function() {

	47 assert_unreached('Error creating MediaStream');

	48 });

	49

	50 navigator.webkitGetUserMedia({audio:true},

	51 this.step_func(function(stream) {

	52 assert_equals(stream.getAudioTracks().length, 1);

	53 assert_equals(stream.getVideoTracks().length, 0);

	54 assert_throws("NotSupportedError",

	55 function() {

	56 var capturer = new ImageCapture(stream.getAudioTracks()[0] );

	57 },

	58 'an ImageCapturer can only be created from a video track');

	59

	60 this.done();

	61 }), onError);

	62 }, 'verifies that an ImageCapture cannot be created out of an Audio Track');

58	63

59 </script>	64 </script>

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