| <!doctype html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>Testing basic video exchange from offerer to receiver</title> |
| <script src="../resources/testharness.js"></script> |
| <script src="../resources/testharnessreport.js"></script> |
| </head> |
| <body> |
| <script> |
| function waitFor(delay) |
| { |
| return new Promise(resolve => setTimeout(resolve, delay)); |
| } |
| |
| async function waitForCriteria(test, criteria) |
| { |
| let counter = 0; |
| while (!criteria() && ++counter < 100) |
| await waitFor(50); |
| } |
| |
| let context; |
| let oscillator; |
| let gainNode; |
| |
| promise_test(async test => { |
| if (!window.internals) |
| return; |
| |
| navigator.audioSession.type = "playback"; |
| |
| context = new AudioContext(); |
| |
| await waitFor(100); |
| assert_false(!!internals.nowPlayingState.uniqueIdentifier); |
| |
| oscillator = null; |
| gainNode = context.createGain(); |
| oscillator = context.createOscillator(); |
| oscillator.type = 'square'; |
| oscillator.frequency.setValueAtTime(440, context.currentTime); |
| |
| oscillator.connect(gainNode); |
| gainNode.gain.value = 0.1 |
| |
| internals.withUserGesture(() => { |
| context.resume(); |
| }); |
| |
| await waitFor(100); |
| assert_false(!!internals.nowPlayingState.uniqueIdentifier); |
| |
| gainNode.connect(context.destination); |
| |
| await waitForCriteria(test, () => { |
| return !!internals.nowPlayingState.uniqueIdentifier; |
| }); |
| assert_true(!!internals.nowPlayingState.uniqueIdentifier, "active now playing"); |
| |
| context.suspend(); |
| |
| await waitForCriteria(test, () => { |
| return !internals.nowPlayingState.uniqueIdentifier; |
| }); |
| assert_false(!!internals.nowPlayingState.uniqueIdentifier, "inactive now playing"); |
| |
| context.resume(); |
| |
| await waitForCriteria(test, () => { |
| return !!internals.nowPlayingState.uniqueIdentifier; |
| }); |
| assert_true(!!internals.nowPlayingState.uniqueIdentifier, "active now playing again"); |
| }, "AudioContext as the now playing info source"); |
| |
| promise_test(async test => { |
| if (!window.internals) |
| return; |
| |
| const identifier = internals.nowPlayingState.uniqueIdentifier; |
| let mediaElement = document.createElement("audio"); |
| document.body.appendChild(mediaElement); |
| |
| await waitFor(100); |
| assert_equals(internals.nowPlayingState.uniqueIdentifier, identifier, "AudioContext identifier"); |
| |
| await waitFor(100); |
| assert_equals(internals.nowPlayingState.uniqueIdentifier, identifier, "AudioContext identifier 2"); |
| |
| mediaElement.src = "content/test.wav"; |
| |
| await waitForCriteria(test, () => { |
| return internals.nowPlayingState.uniqueIdentifier !== identifier; |
| }); |
| assert_not_equals(internals.nowPlayingState.uniqueIdentifier, identifier, "HTMLMediaElement identifier"); |
| const mediaElementIdentifier = internals.nowPlayingState.uniqueIdentifier |
| |
| document.body.removeChild(mediaElement); |
| |
| await waitForCriteria(test, () => { |
| return internals.nowPlayingState.uniqueIdentifier !== mediaElementIdentifier; |
| }); |
| assert_equals(internals.nowPlayingState.uniqueIdentifier, identifier, "AudioContext identifier 3"); |
| }, "HTMLMediaElement will become the now playing info source over playing AudioContext"); |
| |
| </script> |
| </body> |
| </html> |
