зеркало из https://github.com/mozilla/gecko-dev.git
157 строки
4.2 KiB
HTML
157 строки
4.2 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<head>
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<title>Test track interfaces when consuming a MediaStream from gUM</title>
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<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
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<script type="text/javascript" src="manifest.js"></script>
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<script type="text/javascript" src="gUM_support.js"></script>
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</head>
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<body>
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<pre id="test">
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<script class="testbody" type="text/javascript">
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async function startTest() {
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let steps = 0;
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let audioOnchange = 0;
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let audioOnaddtrack = 0;
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let audioOnremovetrack = 0;
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let videoOnchange = 0;
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let videoOnaddtrack = 0;
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let videoOnremovetrack = 0;
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let isPlaying = false;
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let element = document.createElement("video");
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let stream;
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try {
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await setupGetUserMediaTestPrefs();
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stream = await navigator.mediaDevices.getUserMedia({audio: true, video: true});
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} catch (err) {
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ok(false, 'Unexpected error fired with: ' + err);
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SimpleTest.finish();
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return;
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}
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element.audioTracks.onaddtrack = function(e) {
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audioOnaddtrack++;
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};
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element.audioTracks.onremovetrack = function(e) {
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audioOnremovetrack++;
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};
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element.audioTracks.onchange = function(e) {
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audioOnchange++;
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};
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element.videoTracks.onaddtrack = function(e) {
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videoOnaddtrack++;
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};
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element.videoTracks.onremovetrack = function(e) {
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videoOnremovetrack++;
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};
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element.videoTracks.onchange = function(e) {
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videoOnchange++;
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};
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function checkTrackRemoved() {
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if (isPlaying) {
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is(element.audioTracks.length, 0, 'The length of audioTracks should be 0.');
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is(element.videoTracks.length, 0, 'The length of videoTracks should be 0.');
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}
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}
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element.onended = function() {
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ok(true, 'Event ended is expected to be fired on element.');
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checkTrackRemoved();
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element.onended = null;
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element.onplaying = null;
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element.onpause = null;
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SimpleTest.finish();
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}
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function checkTrackAdded() {
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isPlaying = true;
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is(audioOnaddtrack, 1, 'Calls of onaddtrack on audioTracks should be 1.');
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is(element.audioTracks.length, 1, 'The length of audioTracks should be 1.');
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ok(element.audioTracks[0].enabled, 'Audio track should be enabled as default.');
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is(videoOnaddtrack, 1, 'Calls of onaddtrack on videoTracks should be 1.');
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is(element.videoTracks.length, 1, 'The length of videoTracks should be 1.');
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is(element.videoTracks.selectedIndex, 0,
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'The first video track is set selected as default.');
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}
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function setTrackEnabled(enabled) {
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element.audioTracks[0].enabled = enabled;
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element.videoTracks[0].selected = enabled;
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}
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function checkTrackChanged(calls, enabled) {
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is(audioOnchange, calls, 'Calls of onchange on audioTracks should be '+calls);
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is(element.audioTracks[0].enabled, enabled,
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'Enabled value of the audio track should be ' +enabled);
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is(videoOnchange, calls, 'Calls of onchange on videoTracks should be '+calls);
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is(element.videoTracks[0].selected, enabled,
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'Selected value of the video track should be ' +enabled);
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var index = enabled ? 0 : -1;
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is(element.videoTracks.selectedIndex, index,
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'SelectedIndex of video tracks should be ' +index);
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}
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function onpause() {
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element.onpause = null;
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if (element.ended) {
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return;
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}
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if (steps == 1) {
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setTrackEnabled(false);
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element.onplaying = onplaying;
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element.play();
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steps++;
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} else if (steps == 2) {
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setTrackEnabled(true);
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element.onplaying = onplaying;
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element.play();
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steps++;
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}
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}
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function onplaying() {
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element.onplaying = null;
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if (element.ended) {
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return;
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}
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if (steps == 1) {
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element.onpause = onpause;
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element.pause();
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checkTrackAdded();
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} else if (steps == 2) {
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element.onpause = onpause;
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element.pause();
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checkTrackChanged(1, false);
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} else if (steps == 3) {
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checkTrackChanged(2, true);
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stream.getTracks().forEach(t => t.stop());
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}
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}
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element.onplaying = onplaying;
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element.srcObject = stream;
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steps++;
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await element.play();
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}
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SimpleTest.waitForExplicitFinish();
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SpecialPowers.pushPrefEnv(
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{
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"set": [
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["media.track.enabled", true]
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]
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}, startTest);
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</script>
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</pre>
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</body>
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</html>
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