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30 lines
1.2 KiB
HTML
30 lines
1.2 KiB
HTML
<!doctype html>
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<meta charset=utf-8>
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<title>RTCPeerConnection addTrack does not deadlock</title>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script>
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'use strict';
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// This test sets up two peer connections using a sequence of operations
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// that triggered a deadlock in Chrome. See https://crbug.com/736725.
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// If a deadlock is introduced again, this test times out.
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promise_test(async t => {
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const pc1 = new RTCPeerConnection();
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t.add_cleanup(() => pc1.close());
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const stream = await navigator.mediaDevices.getUserMedia(
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{audio: false, video: true});
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const videoTrack = stream.getVideoTracks()[0];
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t.add_cleanup(() => videoTrack.stop());
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pc1.addTrack(videoTrack, stream);
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const offer = await pc1.createOffer();
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await pc1.setLocalDescription(offer);
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const pc2 = new RTCPeerConnection();
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t.add_cleanup(() => pc2.close());
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const srdPromise = pc2.setRemoteDescription(offer);
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pc2.addTrack(videoTrack, stream);
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// The deadlock encountered in https://crbug.com/736725 occured here.
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await srdPromise;
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await pc2.createAnswer();
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}, 'RTCPeerConnection addTrack does not deadlock.');
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</script>
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