| <!DOCTYPE html> |
| <script src=../../resources/testharness.js></script> |
| <script src=../../resources/testharnessreport.js></script> |
| <body> |
| <canvas id='canvas' width=10 height=10/> |
| </body> |
| <script> |
| |
| // This test verifies that MediaStreamTrack.applyConstraints() exists and that, |
| // when called with no parameters, returns a Promise that is resolved. This |
| // might not make sense: https://github.com/w3c/mediacapture-main/issues/438 . |
| // Other tests go deeper. |
| promise_test(function(t) { |
| var canvas = document.getElementById('canvas'); |
| var context = canvas.getContext("2d"); |
| context.fillStyle = "red"; |
| context.fillRect(0, 0, 10, 10); |
| |
| var stream = canvas.captureStream(); |
| assert_equals(stream.getAudioTracks().length, 0); |
| assert_equals(stream.getVideoTracks().length, 1); |
| |
| var videoTrack = stream.getVideoTracks()[0]; |
| assert_equals(typeof videoTrack.applyConstraints, 'function'); |
| |
| return videoTrack.applyConstraints(); |
| }, 'MediaStreamTrack.applyConstraints()'); |
| |
| |
| // This test verifies that applyConstraints() rejects the returned Promise if |
| // passed a non-supported constraint. |
| // TODO(mcasas): remove entirely after https://crbug.com/338503. |
| promise_test(function(t) { |
| var canvas = document.getElementById('canvas'); |
| var context = canvas.getContext("2d"); |
| context.fillStyle = "red"; |
| context.fillRect(0, 0, 10, 10); |
| |
| var stream = canvas.captureStream(); |
| var videoTrack = stream.getVideoTracks()[0]; |
| |
| var expectedException = new DOMException( |
| 'Only Image-Capture constraints supported (https://crbug.com/338503)', |
| 'NotSupportedError'); |
| |
| return promise_rejects( |
| t, expectedException, |
| videoTrack.applyConstraints({advanced : [ {width : 640} ]})); |
| }, 'MediaStreamTrack.applyConstraints() with non Image-Capture constraint'); |
| |
| </script> |
