1 files changed, 50 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webrtc/recvonly-transceiver-can-become-sendrecv.https.html b/testing/web-platform/tests/webrtc/recvonly-transceiver-can-become-sendrecv.https.html
new file mode 100644
index 0000000000..30bbec4f9f
--- /dev/null
+++ b/testing/web-platform/tests/webrtc/recvonly-transceiver-can-become-sendrecv.https.html
@@ -0,0 +1,50 @@
+<!doctype html>
+<meta charset=utf-8>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script>
+'use strict';
+
+promise_test(async t => {
+  const pc1 = new RTCPeerConnection();
+  t.add_cleanup(() => pc1.close());
+  const pc2 = new RTCPeerConnection();
+  t.add_cleanup(() => pc2.close());
+
+  const audioTransceiver = pc1.addTransceiver('audio', {direction:'recvonly'});
+
+  await pc1.setLocalDescription();
+  await pc2.setRemoteDescription(pc1.localDescription);
+  await pc2.setLocalDescription();
+  await pc1.setRemoteDescription(pc2.localDescription);
+
+  audioTransceiver.direction = 'sendrecv';
+
+  await pc1.setLocalDescription();
+  await pc2.setRemoteDescription(pc1.localDescription);
+  await pc2.setLocalDescription();
+  await pc1.setRemoteDescription(pc2.localDescription);
+}, '[audio] recvonly transceiver can become sendrecv');
+
+promise_test(async t => {
+  const pc1 = new RTCPeerConnection();
+  t.add_cleanup(() => pc1.close());
+  const pc2 = new RTCPeerConnection();
+  t.add_cleanup(() => pc2.close());
+
+  const videoTransceiver = pc1.addTransceiver('video', {direction:'recvonly'});
+
+  await pc1.setLocalDescription();
+  await pc2.setRemoteDescription(pc1.localDescription);
+  await pc2.setLocalDescription();
+  await pc1.setRemoteDescription(pc2.localDescription);
+
+  videoTransceiver.direction = 'sendrecv';
+
+  await pc1.setLocalDescription();
+  await pc2.setRemoteDescription(pc1.localDescription);
+  await pc2.setLocalDescription();
+  await pc1.setRemoteDescription(pc2.localDescription);
+}, '[video] recvonly transceiver can become sendrecv');
+
+</script>