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<!doctype html>
<html>
<head>
<title>MediaStream and MediaStreamTrack clone()</title>
<link rel="help" href="https://w3c.github.io/mediacapture-main/#dom-mediastream-clone">
<link rel="help" href="https://w3c.github.io/mediacapture-main/#dom-mediastreamtrack-clone">
</head>
<body>
<p class="instructions">When prompted, accept to give permission to use your audio and video devices.</p>
<h1 class="instructions">Description</h1>
<p class="instructions">This test checks that cloning MediaStreams and MediaStreamTracks works as expected.</p>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script src=/resources/testdriver.js></script>
<script src=/resources/testdriver-vendor.js></script>
<script src=permission-helper.js></script>
<script>
promise_test(async t => {
await setMediaPermission();
const stream = await navigator.mediaDevices.getUserMedia({video: true, audio: true});
assert_equals(stream.getAudioTracks().length, 1);
assert_equals(stream.getVideoTracks().length, 1);
const clone1 = stream.clone();
assert_equals(clone1.getAudioTracks().length, 1);
assert_equals(clone1.getVideoTracks().length, 1);
assert_not_equals(stream.getAudioTracks()[0].id, clone1.getAudioTracks()[0].id);
assert_not_equals(stream.getVideoTracks()[0].id, clone1.getVideoTracks()[0].id);
stream.getTracks().forEach(track => track.stop());
assert_false(stream.active);
assert_equals(stream.getAudioTracks()[0].readyState, "ended");
assert_equals(stream.getVideoTracks()[0].readyState, "ended");
assert_true(clone1.active);
assert_equals(clone1.getAudioTracks()[0].readyState, "live");
assert_equals(clone1.getVideoTracks()[0].readyState, "live");
clone1.getAudioTracks()[0].stop();
assert_true(clone1.active);
assert_equals(clone1.getAudioTracks()[0].readyState, "ended");
assert_equals(clone1.getVideoTracks()[0].readyState, "live");
const clone2 = clone1.clone();
assert_true(clone2.active);
assert_equals(clone2.getAudioTracks()[0].readyState, "ended");
assert_equals(clone2.getVideoTracks()[0].readyState, "live");
clone1.getVideoTracks()[0].stop();
clone2.getVideoTracks()[0].stop();
const clone3 = clone2.clone();
assert_false(clone3.active);
assert_equals(clone3.getAudioTracks()[0].readyState, "ended");
assert_equals(clone3.getVideoTracks()[0].readyState, "ended");
assert_not_equals(clone1.getAudioTracks()[0].id, clone2.getAudioTracks()[0].id);
assert_not_equals(clone1.getVideoTracks()[0].id, clone2.getVideoTracks()[0].id);
assert_not_equals(clone2.getAudioTracks()[0].id, clone3.getAudioTracks()[0].id);
assert_not_equals(clone2.getVideoTracks()[0].id, clone3.getVideoTracks()[0].id);
assert_not_equals(clone1.getAudioTracks()[0].id, clone3.getAudioTracks()[0].id);
assert_not_equals(clone1.getVideoTracks()[0].id, clone3.getVideoTracks()[0].id);
}, "Tests that cloning MediaStream objects works as expected");
promise_test(async t => {
const stream = await navigator.mediaDevices.getUserMedia({video: true, audio: true});
assert_equals(stream.getAudioTracks().length, 1);
assert_equals(stream.getVideoTracks().length, 1);
assert_equals(stream.getAudioTracks()[0].readyState, "live");
assert_equals(stream.getVideoTracks()[0].readyState, "live");
assert_true(stream.active);
const audio_clone = stream.getAudioTracks()[0].clone();
const video_clone = stream.getVideoTracks()[0].clone();
assert_equals(audio_clone.readyState, "live");
assert_equals(video_clone.readyState, "live");
assert_not_equals(stream.getAudioTracks()[0].id, audio_clone.id);
assert_not_equals(stream.getVideoTracks()[0].id, video_clone.id);
stream.getTracks().forEach(track => track.stop());
assert_false(stream.active);
assert_equals(stream.getAudioTracks()[0].readyState, "ended");
assert_equals(stream.getVideoTracks()[0].readyState, "ended");
assert_equals(audio_clone.readyState, "live");
assert_equals(video_clone.readyState, "live");
stream.addTrack(audio_clone);
stream.addTrack(video_clone);
assert_true(stream.active);
stream.getTracks().forEach(track => track.stop());
assert_false(stream.active);
assert_equals(audio_clone.readyState, "ended");
assert_equals(video_clone.readyState, "ended");
}, "Tests that cloning MediaStreamTrack objects works as expected");
</script>
</body>
</html>
|
