| <!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]; |
| return videoTrack.applyConstraints(); |
| }, 'MediaStreamTrack.applyConstraints()'); |
| |
| // This test verifies that MediaStreamTrack.applyConstraints() exists and that, |
| // when called with an empty advanced constraint set, returns a Promise that is |
| // resolved. |
| 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]; |
| return videoTrack.applyConstraints({advanced: []}); |
| }, 'MediaStreamTrack.applyConstraints({advanced: []})'); |
| |
| // This test verifies that applyConstraints() rejects the returned Promise if |
| // passed a non-supported image-capture constraint (https://crbug.com/711694). |
| 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]; |
| |
| // Use e.g. |torch| as an example of unsupported constraint. |
| assert_false("torch" in videoTrack.getCapabilities()); |
| return promise_rejects_dom( |
| t, 'NotSupportedError', |
| videoTrack.applyConstraints({advanced : [ {torch : true} ]})); |
| }, 'MediaStreamTrack.applyConstraints() with unsupported constraint'); |
| |
| </script> |
