Reject XR TargetBitrate items with unsupported layer indices

webrtc/modules/rtp_rtcp/source/rtcp_receiver_unittest.cc

Index: webrtc/modules/rtp_rtcp/source/rtcp_receiver_unittest.cc
diff --git a/webrtc/modules/rtp_rtcp/source/rtcp_receiver_unittest.cc b/webrtc/modules/rtp_rtcp/source/rtcp_receiver_unittest.cc
index 16300895027e22e86792834df7816876d8737bd0..1e3a7a23879511af8abaa7fff5cbf07511dce69e 100644
--- a/webrtc/modules/rtp_rtcp/source/rtcp_receiver_unittest.cc
+++ b/webrtc/modules/rtp_rtcp/source/rtcp_receiver_unittest.cc
@@ -1297,4 +1297,21 @@ TEST_F(RtcpReceiverTest, ReceivesTargetBitrate) {
   InjectRtcpPacket(xr);
 }
 
+TEST_F(RtcpReceiverTest, HandlesIncorrectTargetBitrate) {
+  BitrateAllocation expected_allocation;
+  expected_allocation.SetBitrate(0, 0, 10000);
+
+  rtcp::TargetBitrate bitrate;
+  bitrate.AddTargetBitrate(0, 0, expected_allocation.GetBitrate(0, 0) / 1000);
+  bitrate.AddTargetBitrate(0, kMaxTemporalStreams, 20000);
+  bitrate.AddTargetBitrate(kMaxSpatialLayers, 0, 40000);
+
+  rtcp::ExtendedReports xr;
+  xr.SetTargetBitrate(bitrate);
+
+  EXPECT_CALL(bitrate_allocation_observer_,
+              OnBitrateAllocationUpdated(expected_allocation));
+  InjectRtcpPacket(xr);
+}
+
 }  // namespace webrtc