1 files changed, 70 insertions, 0 deletions
diff --git a/dom/media/webrtc/tests/mochitests/test_peerConnection_twoAudioVideoStreamsCombined.html b/dom/media/webrtc/tests/mochitests/test_peerConnection_twoAudioVideoStreamsCombined.html
new file mode 100644
index 0000000000..fcc9c6c8fa
--- /dev/null
+++ b/dom/media/webrtc/tests/mochitests/test_peerConnection_twoAudioVideoStreamsCombined.html
@@ -0,0 +1,70 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+  <script type="application/javascript" src="pc.js"></script>
+  <script type="application/javascript" src="stats.js"></script>
+</head>
+<body>
+<pre id="test">
+<script type="application/javascript">
+
+  createHTML({
+    bug: "1091242",
+    title: "Multistream: Two audio/video streams"
+  });
+
+  runNetworkTest(async (options) => {
+    // Disable platform encodre for SW MFT encoder causes some stats
+    // exceeding the test thresholds.
+    // E.g. inbound-rtp.packetsDiscarded value=118 >= 100.
+    await matchPlatformH264CodecPrefs();
+
+    const test = new PeerConnectionTest(options);
+    test.setMediaConstraints([{audio: true, video: true},
+                                {audio: true, video: true}],
+                             [{audio: true, video: true},
+                                {audio: true, video: true}]);
+
+    // Test stats, including coalescing of codec stats.
+    test.chain.insertAfter("PC_LOCAL_WAIT_FOR_MEDIA_FLOW",
+      [PC_LOCAL_TEST_LOCAL_STATS]);
+
+    test.chain.insertAfter("PC_REMOTE_WAIT_FOR_MEDIA_FLOW",
+      [PC_REMOTE_TEST_REMOTE_STATS]);
+
+    const testCoalescedCodecStats = stats => {
+      is([...stats.values()].filter(({type}) => type.endsWith("rtp")).length,
+        16,
+        "Expected: 4 outbound, 4 remote-inbound, 4 inbound, 4 remote-inbound");
+      const codecs = [...stats.values()]
+          .filter(({type}) => type == "codec")
+          .sort((a, b) => a.mimeType > b.mimeType);
+      is(codecs.length, 2, "Should have registered two codecs (coalesced)");
+      is(new Set(codecs.map(({transportId}) => transportId)).size, 1,
+        "Should have registered only one transport with BUNDLE");
+      const codecTypes = new Set(codecs.map(({codecType}) => codecType));
+      is(codecTypes.size, 1,
+        "Should have identical encode and decode configurations (and stats)");
+      is(codecTypes[0], undefined,
+        "Should have identical encode and decode configurations (and stats)");
+      is(codecs[0].mimeType.slice(0, 5), "audio",
+        "Should have registered an audio codec");
+      is(codecs[1].mimeType.slice(0, 5), "video",
+        "Should have registered a video codec");
+    };
+
+    test.chain.append([
+      async function PC_LOCAL_TEST_COALESCED_CODEC_STATS() {
+        testCoalescedCodecStats(await test.pcLocal._pc.getStats());
+      },
+      async function PC_REMOTE_TEST_COALESCED_CODEC_STATS() {
+        testCoalescedCodecStats(await test.pcRemote._pc.getStats());
+      },
+    ]);
+
+    return test.run();
+  });
+</script>
+</pre>
+</body>
+</html>