| <!DOCTYPE html> |
| <title>MediaCapabilities.query()</title> |
| <script src=/resources/testharness.js></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script> |
| |
| // Minimal VideoConfiguration that will be allowed per spec. All optional |
| // properties are missing. |
| var minimalVideoConfiguration = { |
| contentType: 'video/webm; codecs="vp9"', |
| width: 800, |
| height: 600, |
| bitrate: 3000, |
| framerate: 24, |
| }; |
| |
| // Minimal AudioConfiguration that will be allowed per spec. All optional |
| // properties are missing. |
| var minimalAudioConfiguration = { |
| contentType: 'audio/webm; codecs="opus"', |
| }; |
| |
| promise_test(t => { |
| return promise_rejects(t, new TypeError(), navigator.mediaCapabilities.query()); |
| }, "Test that query rejects if it doesn't get a configuration"); |
| |
| promise_test(t => { |
| return promise_rejects(t, new TypeError(), navigator.mediaCapabilities.query({})); |
| }, "Test that query rejects if the MediaConfiguration isn't valid"); |
| |
| promise_test(t => { |
| return promise_rejects(t, new TypeError(), navigator.mediaCapabilities.query({ |
| video: minimalVideoConfiguration, |
| audio: minimalAudioConfiguration, |
| })); |
| }, "Test that query rejects if the MediaConfiguration does not have a type"); |
| |
| promise_test(t => { |
| return navigator.mediaCapabilities.query({ |
| type: 'file', |
| video: minimalVideoConfiguration, |
| audio: minimalAudioConfiguration, |
| }).then(ability => { |
| assert_idl_attribute(ability, 'supported'); |
| assert_idl_attribute(ability, 'smooth'); |
| assert_idl_attribute(ability, 'powerEfficient'); |
| }); |
| }, "Test that query returns a valid MediaDecodingAbility objects"); |
| |
| async_test(t => { |
| var validTypes = [ 'file', 'media-source' ]; |
| var invalidTypes = [ undefined, null, '', 'foobar', 'mse', 'MediaSource' ]; |
| |
| var validPromises = []; |
| var invalidCaught = 0; |
| |
| validTypes.forEach(type => { |
| validPromises.push(navigator.mediaCapabilities.query({ |
| type: type, |
| video: minimalVideoConfiguration, |
| audio: minimalAudioConfiguration, |
| })); |
| }); |
| |
| // validTypes are tested via Promise.all(validPromises) because if one of the |
| // promises fail, Promise.all() will reject. This mechanism can't be used for |
| // invalid types which will be tested individually and increment invalidCaught |
| // when rejected until the amount of rejection matches the expectation. |
| Promise.all(validPromises).then(t.step_func(() => { |
| for (var i = 0; i < invalidTypes.length; ++i) { |
| navigator.mediaCapabilities.query({ |
| type: invalidTypes[i], |
| video: minimalVideoConfiguration, |
| audio: minimalAudioConfiguration, |
| }).then(t.unreached_func(), t.step_func(e => { |
| assert_equals(e.name, 'TypeError'); |
| ++invalidCaught; |
| if (invalidCaught == invalidTypes.length) |
| t.done(); |
| })); |
| } |
| }), t.unreached_func('Promise.all should not reject for valid types')); |
| }, "Test that query rejects if the MediaConfiguration does not have a valid type"); |
| |
| </script> |