[rtp_rtcp] rtcp::Tmmbr moved into own file

webrtc/modules/rtp_rtcp/source/rtcp_packet/tmmbr_unittest.cc

+/*
+ *  Copyright (c) 2016 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.
+ */
+
+#include "webrtc/modules/rtp_rtcp/source/rtcp_packet/tmmbr.h"
+
+#include "testing/gtest/include/gtest/gtest.h"
+
+#include "webrtc/modules/rtp_rtcp/source/byte_io.h"
+#include "webrtc/test/rtcp_packet_parser.h"
+
+using webrtc::rtcp::RawPacket;
+using webrtc::rtcp::Tmmbr;
+using webrtc::test::RtcpPacketParser;
+
+namespace webrtc {
+const uint32_t kSenderSsrc = 0x12345678;
+const uint32_t kRemoteSsrc = 0x23456789;
+
+TEST(RtcpPacketTest, Tmmbr) {
+  Tmmbr tmmbr;
+  tmmbr.From(kSenderSsrc);
+  tmmbr.To(kRemoteSsrc);
+  tmmbr.WithBitrateKbps(312);
+  tmmbr.WithOverhead(60);
+
+  rtc::scoped_ptr<RawPacket> packet(tmmbr.Build());
+  RtcpPacketParser parser;
+  parser.Parse(packet->Buffer(), packet->Length());
+  EXPECT_EQ(1, parser.tmmbr()->num_packets());
+  EXPECT_EQ(kSenderSsrc, parser.tmmbr()->Ssrc());
+  EXPECT_EQ(1, parser.tmmbr_item()->num_packets());
+  EXPECT_EQ(312U, parser.tmmbr_item()->BitrateKbps());
+  EXPECT_EQ(60U, parser.tmmbr_item()->Overhead());
+}
+
+}  // namespace webrtc