Fixed rtcp rpsi parsing of invalid packets.

webrtc/modules/rtp_rtcp/source/rtcp_sender_unittest.cc

 /*
  *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 443 matching lines @@
 }
 
 TEST_F(RtcpSenderTest, SendRpsi) {
   const uint64_t kPictureId = 0x41;
   const int8_t kPayloadType = 100;
   rtcp_sender_->SetRTCPStatus(RtcpMode::kReducedSize);
   RTCPSender::FeedbackState feedback_state = rtp_rtcp_impl_->GetFeedbackState();
   feedback_state.send_payload_type = kPayloadType;
   EXPECT_EQ(0, rtcp_sender_->SendRTCP(feedback_state, kRtcpRpsi, 0, nullptr,
                                       false, kPictureId));
+  EXPECT_EQ(1, parser()->rpsi()->num_packets());
   EXPECT_EQ(kPayloadType, parser()->rpsi()->PayloadType());
   EXPECT_EQ(kPictureId, parser()->rpsi()->PictureId());
 }
 
 TEST_F(RtcpSenderTest, SendSli) {
   const uint16_t kFirstMb = 0;
   const uint16_t kNumberOfMb = 0x1FFF;
   const uint8_t kPictureId = 60;
   rtcp_sender_->SetRTCPStatus(RtcpMode::kReducedSize);
   EXPECT_EQ(0, rtcp_sender_->SendRTCP(feedback_state(), kRtcpSli, 0, nullptr,
@@ skipping 297 matching lines @@
   rtcp_sender_->SetRemoteSSRC(kRemoteSsrc);
 
   // Set up XR VoIP metric to be included with BYE
   rtcp_sender_->SetRTCPStatus(RtcpMode::kCompound);
   RTCPVoIPMetric metric;
   EXPECT_EQ(0, rtcp_sender_->SetRTCPVoIPMetrics(&metric));
   EXPECT_EQ(0, rtcp_sender_->SendRTCP(feedback_state(), kRtcpBye));
 }
 
 }  // namespace webrtc