| <!doctype html> |
| <title>CanvasCapture applyConstraints</title> |
| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| <script> |
| |
| promise_test(async t => { |
| let canvas = document.createElement('canvas'); |
| canvas.width = canvas.height = 64; |
| |
| let stream = canvas.captureStream(); |
| let track = stream.getVideoTracks()[0]; |
| t.add_cleanup(() => track.stop()); |
| |
| let settings = track.getSettings(); |
| assert_equals(settings.width, canvas.width); |
| assert_equals(settings.height, canvas.height); |
| assert_equals(settings.resizeMode, 'none'); |
| |
| await track.applyConstraints({width: 63, height: 63}); |
| settings = track.getSettings(); |
| assert_equals(settings.width, 63); |
| assert_equals(settings.height, 63); |
| assert_equals(settings.resizeMode, 'crop-and-scale'); |
| |
| await track.applyConstraints({resizeMode: {exact: 'none'}}); |
| settings = track.getSettings(); |
| assert_equals(settings.width, canvas.width); |
| assert_equals(settings.height, canvas.height); |
| assert_equals(settings.resizeMode, 'none'); |
| |
| try { |
| await track.applyConstraints( |
| {width: {exact: 63}, resizeMode: {exact: 'none'}}); |
| t.step(()=>assert_unreached('applyConstraints should not have succeeded')); |
| } catch(e) { |
| assert_equals(e.name, 'OverconstrainedError'); |
| assert_equals(e.constraint, 'width'); |
| } |
| |
| }, "Canvas capture resizeMode"); |
| </script> |
| </body> |
| </html> |
