third_party/WebKit/LayoutTests/fast/imagecapture/MediaStreamTrack-getCapabilities.html - Issue 2747573002: Image Capture: MediaStreamTrack::getCapabilities()

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Issue 2747573002: Image Capture: MediaStreamTrack::getCapabilities() (Closed)

Patch Set: Created 3 years, 9 months ago

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	1 <!DOCTYPE html>

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

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

	4 <body>

	5 <canvas id='canvas' width=10 height=10/>

	6 </body>

	7 <script>

	8

	9 // This test verifies that MediaStreamTrack.getCapabilities() exists and that it

	10 // returns something. (Other tests go deeper).
	Reilly Grant (use Gerrit) 2017/03/14 21:38:57 No parens. No parens. mcasas 2017/03/14 22:28:01 Done. Show quoted text On 2017/03/14 21:38:57, Reilly Grant wrote: > No parens. Done.
	11 async_test(function(test) {
	Reilly Grant (use Gerrit) 2017/03/14 21:38:57 Why not a synchronous test? Why not a synchronous test? mcasas 2017/03/14 22:28:01 No reason, removed. (Actually it was so because o Show quoted text On 2017/03/14 21:38:57, Reilly Grant wrote: > Why not a synchronous test? No reason, removed. (Actually it was so because originally I used getUserMedia(), which uses a callback, but I'm migrating all such uses to canvas.captureStream() which is more upstream-able).
	12 var canvas = document.getElementById('canvas');

	13 var context = canvas.getContext("2d");

	14 context.fillStyle = "red";

	15 context.fillRect(0, 0, 10, 10);

	16

	17 var stream = canvas.captureStream();

	18 assert_equals(stream.getAudioTracks().length, 0);

	19 assert_equals(stream.getVideoTracks().length, 1);

	20

	21 var videoTrack = stream.getVideoTracks()[0];

	22

	23 assert_equals(typeof videoTrack.getCapabilities, 'function');

	24

	25 capabilities = videoTrack.getCapabilities();

	26 assert_equals(typeof capabilities, 'object');

	27

	28 test.done();

	29 }, 'MediaStreamTrack.getCapabilities()');

	30

	31 </script>

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