| <!DOCTYPE html> |
| <script src=../../resources/testharness.js></script> |
| <script src=../../resources/testharnessreport.js></script> |
| <script> |
| |
| // This test verifies that ImageCapture can be created (or not) with different |
| // Media Stream Track types (audio, video). |
| |
| function makeAsyncTest(modifyTrack, message) { |
| async_test(function(test) { |
| |
| const gotStream = test.step_func(function(stream) { |
| assert_equals(stream.getAudioTracks().length, 0); |
| assert_equals(stream.getVideoTracks().length, 1); |
| |
| var videoTrack = stream.getVideoTracks()[0]; |
| assert_equals(videoTrack.readyState, 'live'); |
| assert_true(videoTrack.enabled); |
| assert_false(videoTrack.muted); |
| |
| var capturer = new ImageCapture(videoTrack); |
| assert_equals(capturer.track, videoTrack); |
| |
| modifyTrack(videoTrack); |
| |
| promise_rejects(test, |
| 'InvalidStateError', |
| capturer.grabFrame(), |
| 'Should throw InvalidStateError.') |
| .then(() => test.done()); |
| }); |
| |
| const onError = test.unreached_func('Error creating MediaStream.'); |
| navigator.webkitGetUserMedia({ video : true }, gotStream, onError); |
| |
| }, message); |
| } |
| |
| var disableTrack = function(videoTrack) { |
| // grabFrame() is rejected if the associated video track is disabled. |
| videoTrack.enabled = false; |
| }; |
| |
| var stopTrack = function(videoTrack) { |
| // grabFrame() is rejected if the associated video track is ended. |
| videoTrack.stop(); |
| assert_equals(videoTrack.readyState, 'ended'); |
| }; |
| |
| // Create the rejection tests. Note that grabFrame() would also be rejected if |
| // the video Track was muted but that's a read-only property of the Track. |
| makeAsyncTest(disableTrack, 'grabFrame() of a disabled Track'); |
| makeAsyncTest(stopTrack, 'grabFrame() of an ended Track'); |
| |
| var testAudio = async_test(function() { |
| navigator.webkitGetUserMedia({audio:true}, |
| this.step_func(function(stream) { |
| assert_equals(stream.getAudioTracks().length, 1); |
| assert_equals(stream.getVideoTracks().length, 0); |
| assert_throws("NotSupportedError", |
| function() { |
| var capturer = new ImageCapture(stream.getAudioTracks()[0]); |
| }, |
| 'an ImageCapturer can only be created from a video track'); |
| |
| this.done(); |
| }), |
| this.unreached_func('Error creating MediaStream.')); |
| }, 'verifies that an ImageCapture cannot be created out of an Audio Track'); |
| |
| </script> |
