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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 "modules/rtp_rtcp/source/rtcp_packet/fir.h"
#include <cstdint>
#include "rtc_base/buffer.h"
#include "test/gmock.h"
#include "test/gtest.h"
#include "test/rtcp_packet_parser.h"
using ::testing::AllOf;
using ::testing::ElementsAre;
using ::testing::ElementsAreArray;
using ::testing::Eq;
using ::testing::Field;
using ::testing::make_tuple;
using webrtc::rtcp::Fir;
namespace webrtc {
namespace {
constexpr uint32_t kSenderSsrc = 0x12345678;
constexpr uint32_t kRemoteSsrc = 0x23456789;
constexpr uint8_t kSeqNr = 13;
// Manually created Fir packet matching constants above.
constexpr uint8_t kPacket[] = {0x84, 206, 0x00, 0x04, 0x12, 0x34, 0x56,
0x78, 0x00, 0x00, 0x00, 0x00, 0x23, 0x45,
0x67, 0x89, 0x0d, 0x00, 0x00, 0x00};
} // namespace
TEST(RtcpPacketFirTest, Parse) {
Fir mutable_parsed;
EXPECT_TRUE(test::ParseSinglePacket(kPacket, &mutable_parsed));
const Fir& parsed = mutable_parsed; // Read values from constant object.
EXPECT_EQ(kSenderSsrc, parsed.sender_ssrc());
EXPECT_THAT(parsed.requests(),
ElementsAre(AllOf(Field(&Fir::Request::ssrc, Eq(kRemoteSsrc)),
Field(&Fir::Request::seq_nr, Eq(kSeqNr)))));
}
TEST(RtcpPacketFirTest, Create) {
Fir fir;
fir.SetSenderSsrc(kSenderSsrc);
fir.AddRequestTo(kRemoteSsrc, kSeqNr);
Buffer packet = fir.Build();
EXPECT_THAT(make_tuple(packet.data(), packet.size()),
ElementsAreArray(kPacket));
}
TEST(RtcpPacketFirTest, TwoFciEntries) {
Fir fir;
fir.SetSenderSsrc(kSenderSsrc);
fir.AddRequestTo(kRemoteSsrc, kSeqNr);
fir.AddRequestTo(kRemoteSsrc + 1, kSeqNr + 1);
Buffer packet = fir.Build();
Fir parsed;
EXPECT_TRUE(test::ParseSinglePacket(packet, &parsed));
EXPECT_EQ(kSenderSsrc, parsed.sender_ssrc());
EXPECT_THAT(parsed.requests(),
ElementsAre(AllOf(Field(&Fir::Request::ssrc, Eq(kRemoteSsrc)),
Field(&Fir::Request::seq_nr, Eq(kSeqNr))),
AllOf(Field(&Fir::Request::ssrc, Eq(kRemoteSsrc + 1)),
Field(&Fir::Request::seq_nr, Eq(kSeqNr + 1)))));
}
TEST(RtcpPacketFirTest, ParseFailsOnZeroFciEntries) {
constexpr uint8_t kPacketWithoutFci[] = {0x84, 206, 0x00, 0x02, 0x12, 0x34,
0x56, 0x78, 0x00, 0x00, 0x00, 0x00};
Fir parsed;
EXPECT_FALSE(test::ParseSinglePacket(kPacketWithoutFci, &parsed));
}
TEST(RtcpPacketFirTest, ParseFailsOnFractionalFciEntries) {
constexpr uint8_t kPacketWithOneAndHalfFci[] = {
0x84, 206, 0x00, 0x05, 0x12, 0x34, 0x56, 0x78, 0x00, 0x00, 0x00, 0x00,
0x23, 0x45, 0x67, 0x89, 0x0d, 0x00, 0x00, 0x00, 'h', 'a', 'l', 'f'};
Fir parsed;
EXPECT_FALSE(test::ParseSinglePacket(kPacketWithOneAndHalfFci, &parsed));
}
} // namespace webrtc
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