[rtp_rtcp] rtcp::Remb moved into own file

webrtc/modules/rtp_rtcp/source/rtcp_packet/remb_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/remb.h"
+
+#include "testing/gmock/include/gmock/gmock.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "webrtc/test/rtcp_packet_parser.h"
+
+using webrtc::rtcp::RawPacket;
+using webrtc::rtcp::Remb;
+using webrtc::test::RtcpPacketParser;
+
+namespace webrtc {
+
+const uint32_t kSenderSsrc = 0x12345678;
+const uint32_t kRemoteSsrc = 0x23456789;
+
+TEST(RtcpPacketRembTest, Remb) {
+  Remb remb;
+  remb.From(kSenderSsrc);
+  remb.AppliesTo(kRemoteSsrc);
+  remb.AppliesTo(kRemoteSsrc + 1);
+  remb.AppliesTo(kRemoteSsrc + 2);
+  remb.WithBitrateBps(261011);
+
+  rtc::scoped_ptr<RawPacket> packet(remb.Build());
+  RtcpPacketParser parser;
+  parser.Parse(packet->Buffer(), packet->Length());
+  EXPECT_EQ(1, parser.psfb_app()->num_packets());
+  EXPECT_EQ(kSenderSsrc, parser.psfb_app()->Ssrc());
+  EXPECT_EQ(1, parser.remb_item()->num_packets());
+  EXPECT_EQ(261011, parser.remb_item()->last_bitrate_bps());
+  std::vector<uint32_t> ssrcs = parser.remb_item()->last_ssrc_list();
+  EXPECT_EQ(kRemoteSsrc, ssrcs[0]);
+  EXPECT_EQ(kRemoteSsrc + 1, ssrcs[1]);
+  EXPECT_EQ(kRemoteSsrc + 2, ssrcs[2]);
+}
+}  // namespace webrtc