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/*
* 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/tmmbn.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::Tmmbn;
using webrtc::test::RtcpPacketParser;
namespace webrtc {
const uint32_t kSenderSsrc = 0x12345678;
const uint32_t kRemoteSsrc = 0x23456789;
TEST(RtcpPacketTest, TmmbnWithNoItem) {
Tmmbn tmmbn;
tmmbn.From(kSenderSsrc);
rtc::scoped_ptr<RawPacket> packet(tmmbn.Build());
RtcpPacketParser parser;
parser.Parse(packet->Buffer(), packet->Length());
EXPECT_EQ(1, parser.tmmbn()->num_packets());
EXPECT_EQ(kSenderSsrc, parser.tmmbn()->Ssrc());
EXPECT_EQ(0, parser.tmmbn_items()->num_packets());
}
TEST(RtcpPacketTest, TmmbnWithOneItem) {
Tmmbn tmmbn;
tmmbn.From(kSenderSsrc);
EXPECT_TRUE(tmmbn.WithTmmbr(kRemoteSsrc, 312, 60));
rtc::scoped_ptr<RawPacket> packet(tmmbn.Build());
RtcpPacketParser parser;
parser.Parse(packet->Buffer(), packet->Length());
EXPECT_EQ(1, parser.tmmbn()->num_packets());
EXPECT_EQ(kSenderSsrc, parser.tmmbn()->Ssrc());
EXPECT_EQ(1, parser.tmmbn_items()->num_packets());
EXPECT_EQ(kRemoteSsrc, parser.tmmbn_items()->Ssrc(0));
EXPECT_EQ(312U, parser.tmmbn_items()->BitrateKbps(0));
EXPECT_EQ(60U, parser.tmmbn_items()->Overhead(0));
}
TEST(RtcpPacketTest, TmmbnWithTwoItems) {
Tmmbn tmmbn;
tmmbn.From(kSenderSsrc);
EXPECT_TRUE(tmmbn.WithTmmbr(kRemoteSsrc, 312, 60));
EXPECT_TRUE(tmmbn.WithTmmbr(kRemoteSsrc + 1, 1288, 40));
rtc::scoped_ptr<RawPacket> packet(tmmbn.Build());
RtcpPacketParser parser;
parser.Parse(packet->Buffer(), packet->Length());
EXPECT_EQ(1, parser.tmmbn()->num_packets());
EXPECT_EQ(kSenderSsrc, parser.tmmbn()->Ssrc());
EXPECT_EQ(2, parser.tmmbn_items()->num_packets());
EXPECT_EQ(kRemoteSsrc, parser.tmmbn_items()->Ssrc(0));
EXPECT_EQ(312U, parser.tmmbn_items()->BitrateKbps(0));
EXPECT_EQ(60U, parser.tmmbn_items()->Overhead(0));
EXPECT_EQ(kRemoteSsrc + 1, parser.tmmbn_items()->Ssrc(1));
EXPECT_EQ(1288U, parser.tmmbn_items()->BitrateKbps(1));
EXPECT_EQ(40U, parser.tmmbn_items()->Overhead(1));
}
TEST(RtcpPacketTest, TmmbnWithTooManyItems) {
Tmmbn tmmbn;
tmmbn.From(kSenderSsrc);
const int kMaxTmmbrItems = 50;
for (int i = 0; i < kMaxTmmbrItems; ++i)
EXPECT_TRUE(tmmbn.WithTmmbr(kRemoteSsrc + i, 312, 60));
EXPECT_FALSE(tmmbn.WithTmmbr(kRemoteSsrc + kMaxTmmbrItems, 312, 60));
}
} // namespace webrtc
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