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/*
* Copyright (c) 2015 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/extended_jitter_report.h"
#include <limits>
#include "testing/gtest/include/gtest/gtest.h"
#include "webrtc/modules/rtp_rtcp/source/rtcp_utility.h"
using webrtc::rtcp::RawPacket;
using webrtc::rtcp::ExtendedJitterReport;
using webrtc::RTCPUtility::RtcpCommonHeader;
using webrtc::RTCPUtility::RtcpParseCommonHeader;
namespace webrtc {
namespace {
class RtcpPacketExtendedJitterReportTest : public ::testing::Test {
protected:
void BuildPacket() { packet = ij.Build(); }
void ParsePacket() {
RtcpCommonHeader header;
EXPECT_TRUE(
RtcpParseCommonHeader(packet->Buffer(), packet->Length(), &header));
EXPECT_EQ(header.BlockSize(), packet->Length());
EXPECT_TRUE(parsed_.Parse(
header, packet->Buffer() + RtcpCommonHeader::kHeaderSizeBytes));
}
ExtendedJitterReport ij;
rtc::scoped_ptr<RawPacket> packet;
const ExtendedJitterReport& parsed() { return parsed_; }
private:
ExtendedJitterReport parsed_;
};
TEST_F(RtcpPacketExtendedJitterReportTest, NoItem) {
// No initialization because packet is empty.
BuildPacket();
ParsePacket();
EXPECT_EQ(0u, parsed().jitters_count());
}
TEST_F(RtcpPacketExtendedJitterReportTest, OneItem) {
EXPECT_TRUE(ij.WithJitter(0x11121314));
BuildPacket();
ParsePacket();
EXPECT_EQ(1u, parsed().jitters_count());
EXPECT_EQ(0x11121314U, parsed().jitter(0));
}
TEST_F(RtcpPacketExtendedJitterReportTest, TwoItems) {
EXPECT_TRUE(ij.WithJitter(0x11121418));
EXPECT_TRUE(ij.WithJitter(0x22242628));
BuildPacket();
ParsePacket();
EXPECT_EQ(2u, parsed().jitters_count());
EXPECT_EQ(0x11121418U, parsed().jitter(0));
EXPECT_EQ(0x22242628U, parsed().jitter(1));
}
TEST_F(RtcpPacketExtendedJitterReportTest, TooManyItems) {
const int kMaxIjItems = (1 << 5) - 1;
for (int i = 0; i < kMaxIjItems; ++i) {
EXPECT_TRUE(ij.WithJitter(i));
}
EXPECT_FALSE(ij.WithJitter(kMaxIjItems));
}
TEST_F(RtcpPacketExtendedJitterReportTest, ParseFailWithTooManyItems) {
ij.WithJitter(0x11121418);
BuildPacket();
RtcpCommonHeader header;
RtcpParseCommonHeader(packet->Buffer(), packet->Length(), &header);
header.count_or_format++; // Damage package.
ExtendedJitterReport parsed;
EXPECT_FALSE(parsed.Parse(
header, packet->Buffer() + RtcpCommonHeader::kHeaderSizeBytes));
}
} // namespace
} // namespace webrtc
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