| <!DOCTYPE HTML> |
| <html> |
| <head> |
| <script src=/resources/testharness.js></script> |
| <script src=/resources/testharnessreport.js></script> |
| </head> |
| <body> |
| <script> |
| |
| promise_test(async t => { |
| try { |
| stream = await navigator.mediaDevices.getUserMedia( |
| {video: {width: {exact: 639}, resizeMode: {exact: "none"}}}); |
| t.add_cleanup(()=>stream.getVideoTracks()[0].stop()); |
| t.step(() => assert_unreached('applyConstraints should have failed')); |
| } catch(e) { |
| assert_true(e instanceof DOMException); |
| assert_equals(e.name, 'OverconstrainedError'); |
| assert_equals(e.constraint, 'width'); |
| } |
| }, 'Error of OverconstrainedError type inherit from DOMException'); |
| |
| promise_test(async t => { |
| assert_true(new OverconstrainedError("constraint") instanceof DOMException); |
| }, 'OverconstrainedError class inherits from DOMException'); |
| |
| </script> |
| </body> |
| </html> |
