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- This WPT test may be referenced by the following Test IDs:
- /mediacapture-record/MediaRecorder-destroy-script-execution.html - WPT Dashboard Interop Dashboard
<!doctype html>
<meta charset="utf-8">
<html>
<title>MediaRecorder destroy script execution context</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<body>
<iframe src="support/MediaRecorder-iframe.html" id="subFrame-start" name="subFrameStart"></iframe>
<iframe src="support/MediaRecorder-iframe.html" id="subFrame-stop" name="subFrameStop"></iframe>
<iframe src="support/MediaRecorder-iframe.html" id="subFrame-allTrackEnded" name="subFrameAllTrackEnded"></iframe>
<iframe src="support/MediaRecorder-iframe.html" id="subFrame-audioBitrateMode" name="subFrameAudioBitrateMode"></iframe>
<script>
var iframeForCallingStart = document.getElementById('subFrame-start');
var iframeForCallingStop = document.getElementById('subFrame-stop');
var iframeForAllTrackEnded = document.getElementById('subFrame-allTrackEnded');
var iframeForAudioBitrateMode = document.getElementById('subFrame-audioBitrateMode');
var testForCallingStart = async_test('MediaRecorder will throw when start() is called and the script execution context is going away');
var testForCallingStop = async_test('MediaRecorder will not fire the stop event when stop() is called and the script execution context is going away');
var testForAllTrackEnded = async_test('MediaRecorder will not fire the stop event when all tracks are ended and the script execution context is going away');
var testForAudioBitrateMode = async_test('MediaRecorder will not crash on accessing audioBitrateMode when the script execution context is going away');
iframeForCallingStart.onload = function(e) {
let testWindow = subFrameStart.window;
testWindow.prepareForTest(testForCallingStart);
let exceptionCtor = testWindow.DOMException;
const recorder = subFrameStart.window.recorder;
iframeForCallingStart.remove();
testForCallingStart.step(function() {
assert_throws_dom('NotSupportedError', exceptionCtor, () => recorder.start(),
"MediaRecorder.start() should throw");
});;
testForCallingStart.done();
};
iframeForCallingStop.onload = function(e) {
subFrameStop.window.prepareForTest(testForCallingStop);
const recorder = subFrameStop.window.recorder;
recorder.ondataavailable = testForCallingStop.step_func(blobEvent => {
iframeForCallingStop.remove();
testForCallingStop.step_timeout(testForCallingStop.step_func_done(), 0);
});
recorder.onstop = testForCallingStop.unreached_func('Unexpected stop event');
recorder.start();
testForCallingStop.step(function() {
assert_equals(recorder.state, 'recording', 'MediaRecorder has been started successfully');
});
subFrameStop.window.control.addVideoFrame();
recorder.stop();
};
iframeForAllTrackEnded.onload = function(e) {
subFrameAllTrackEnded.window.prepareForTest(testForAllTrackEnded);
const recorder = subFrameAllTrackEnded.window.recorder;
recorder.ondataavailable = testForAllTrackEnded.step_func(blobEvent => {
iframeForAllTrackEnded.remove();
testForAllTrackEnded.step_timeout(testForAllTrackEnded.step_func_done(), 0);
});
recorder.onstop = testForAllTrackEnded.unreached_func('Unexpected stop event');
recorder.start();
testForAllTrackEnded.step(function() {
assert_equals(recorder.state, 'recording', 'MediaRecorder has been started successfully');
});
subFrameAllTrackEnded.window.control.addVideoFrame();
subFrameAllTrackEnded.window.video.getVideoTracks()[0].stop();
};
iframeForAudioBitrateMode.onload = testForAudioBitrateMode.step_func(function(e) {
subFrameAudioBitrateMode.window.prepareForTest(testForAudioBitrateMode);
const recorder = subFrameAudioBitrateMode.window.recorder;
iframeForAudioBitrateMode.remove();
recorder.audioBitrateMode;
testForAudioBitrateMode.done();
});
</script>
</body>
</html>