1 files changed, 46 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webrtc-encoded-transform/tentative/RTCPeerConnection-insertable-streams-errors.https.html b/testing/web-platform/tests/webrtc-encoded-transform/tentative/RTCPeerConnection-insertable-streams-errors.https.html
new file mode 100644
index 0000000000..a0c68c400a
--- /dev/null
+++ b/testing/web-platform/tests/webrtc-encoded-transform/tentative/RTCPeerConnection-insertable-streams-errors.https.html
@@ -0,0 +1,46 @@
+<!DOCTYPE html>
+<html>
+<head>
+<title>RTCPeerConnection Insertable Streams - Errors</title>
+<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='../../mediacapture-streams/permission-helper.js'></script>
+<script src="../../webrtc/RTCPeerConnection-helper.js"></script>
+<script src="./RTCPeerConnection-insertable-streams.js"></script>
+</head>
+<body>
+<script>
+promise_test(async t => {
+  const caller = new RTCPeerConnection({encodedInsertableStreams:true});
+  t.add_cleanup(() => caller.close());
+  const callee = new RTCPeerConnection();
+  t.add_cleanup(() => callee.close());
+
+  const stream = await navigator.mediaDevices.getUserMedia({video:true});
+  const track = stream.getTracks()[0];
+  t.add_cleanup(() => track.stop());
+
+  const sender = caller.addTrack(track)
+  const streams = sender.createEncodedStreams();
+  const transformer = new TransformStream({
+    transform(frame, controller) {
+      // Inserting the same frame twice will result in failure since the frame
+      // will be neutered after the first insertion is processed.
+      controller.enqueue(frame);
+      controller.enqueue(frame);
+    }
+  });
+
+  exchangeIceCandidates(caller, callee);
+  await exchangeOfferAnswer(caller, callee);
+
+  await promise_rejects_dom(
+      t, 'OperationError',
+      streams.readable.pipeThrough(transformer).pipeTo(streams.writable));
+}, 'Enqueuing the same frame twice fails');
+
+</script>
+</body>
+</html>