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Unified Diff: media/cast/rtcp/rtcp_unittest.cc

Issue 388663003: Cast: Reshuffle files under media/cast (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: missing includes Created 6 years, 5 months ago
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Index: media/cast/rtcp/rtcp_unittest.cc
diff --git a/media/cast/rtcp/rtcp_unittest.cc b/media/cast/rtcp/rtcp_unittest.cc
deleted file mode 100644
index 157e81556ab7d88ccb8bf1d2032457441a2e257f..0000000000000000000000000000000000000000
--- a/media/cast/rtcp/rtcp_unittest.cc
+++ /dev/null
@@ -1,549 +0,0 @@
-// Copyright 2013 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include <stdint.h>
-
-#include "base/test/simple_test_tick_clock.h"
-#include "media/cast/cast_defines.h"
-#include "media/cast/cast_environment.h"
-#include "media/cast/rtcp/mock_rtcp_receiver_feedback.h"
-#include "media/cast/rtcp/mock_rtcp_sender_feedback.h"
-#include "media/cast/rtcp/rtcp.h"
-#include "media/cast/rtcp/test_rtcp_packet_builder.h"
-#include "media/cast/test/fake_single_thread_task_runner.h"
-#include "media/cast/transport/cast_transport_config.h"
-#include "media/cast/transport/cast_transport_sender_impl.h"
-#include "media/cast/transport/pacing/paced_sender.h"
-#include "testing/gmock/include/gmock/gmock.h"
-
-namespace media {
-namespace cast {
-
-using testing::_;
-
-static const uint32 kSenderSsrc = 0x10203;
-static const uint32 kReceiverSsrc = 0x40506;
-static const std::string kCName("test@10.1.1.1");
-static const uint32 kRtcpIntervalMs = 500;
-static const int64 kAddedDelay = 123;
-static const int64 kAddedShortDelay = 100;
-
-class RtcpTestPacketSender : public transport::PacketSender {
- public:
- explicit RtcpTestPacketSender(base::SimpleTestTickClock* testing_clock)
- : drop_packets_(false),
- short_delay_(false),
- rtcp_receiver_(NULL),
- testing_clock_(testing_clock) {}
- virtual ~RtcpTestPacketSender() {}
- // Packet lists imply a RTP packet.
- void set_rtcp_receiver(Rtcp* rtcp) { rtcp_receiver_ = rtcp; }
-
- void set_short_delay() { short_delay_ = true; }
-
- void set_drop_packets(bool drop_packets) { drop_packets_ = drop_packets; }
-
- // A singular packet implies a RTCP packet.
- virtual bool SendPacket(transport::PacketRef packet,
- const base::Closure& cb) OVERRIDE {
- if (short_delay_) {
- testing_clock_->Advance(
- base::TimeDelta::FromMilliseconds(kAddedShortDelay));
- } else {
- testing_clock_->Advance(base::TimeDelta::FromMilliseconds(kAddedDelay));
- }
- if (drop_packets_)
- return true;
-
- rtcp_receiver_->IncomingRtcpPacket(&packet->data[0], packet->data.size());
- return true;
- }
-
- private:
- bool drop_packets_;
- bool short_delay_;
- Rtcp* rtcp_receiver_;
- base::SimpleTestTickClock* testing_clock_;
-
- DISALLOW_COPY_AND_ASSIGN(RtcpTestPacketSender);
-};
-
-class LocalRtcpTransport : public transport::PacedPacketSender {
- public:
- LocalRtcpTransport(scoped_refptr<CastEnvironment> cast_environment,
- base::SimpleTestTickClock* testing_clock)
- : drop_packets_(false),
- short_delay_(false),
- testing_clock_(testing_clock) {}
-
- void set_rtcp_receiver(Rtcp* rtcp) { rtcp_ = rtcp; }
-
- void set_short_delay() { short_delay_ = true; }
-
- void set_drop_packets(bool drop_packets) { drop_packets_ = drop_packets; }
-
- virtual bool SendRtcpPacket(uint32 ssrc,
- transport::PacketRef packet) OVERRIDE {
- if (short_delay_) {
- testing_clock_->Advance(
- base::TimeDelta::FromMilliseconds(kAddedShortDelay));
- } else {
- testing_clock_->Advance(base::TimeDelta::FromMilliseconds(kAddedDelay));
- }
- if (drop_packets_)
- return true;
-
- rtcp_->IncomingRtcpPacket(&packet->data[0], packet->data.size());
- return true;
- }
-
- virtual bool SendPackets(
- const transport::SendPacketVector& packets) OVERRIDE {
- return false;
- }
-
- virtual bool ResendPackets(
- const transport::SendPacketVector& packets,
- base::TimeDelta dedupe_window) OVERRIDE {
- return false;
- }
-
- virtual void CancelSendingPacket(
- const transport::PacketKey& packet_key) OVERRIDE {
- }
-
- private:
- bool drop_packets_;
- bool short_delay_;
- Rtcp* rtcp_;
- base::SimpleTestTickClock* testing_clock_;
- scoped_refptr<CastEnvironment> cast_environment_;
-
- DISALLOW_COPY_AND_ASSIGN(LocalRtcpTransport);
-};
-
-class RtcpPeer : public Rtcp {
- public:
- RtcpPeer(scoped_refptr<CastEnvironment> cast_environment,
- RtcpSenderFeedback* sender_feedback,
- transport::CastTransportSender* const transport_sender,
- transport::PacedPacketSender* paced_packet_sender,
- RtpReceiverStatistics* rtp_receiver_statistics,
- RtcpMode rtcp_mode,
- const base::TimeDelta& rtcp_interval,
- uint32 local_ssrc,
- uint32 remote_ssrc,
- const std::string& c_name)
- : Rtcp(cast_environment,
- sender_feedback,
- transport_sender,
- paced_packet_sender,
- rtp_receiver_statistics,
- rtcp_mode,
- rtcp_interval,
- local_ssrc,
- remote_ssrc,
- c_name,
- AUDIO_EVENT) {}
-
- using Rtcp::OnReceivedNtp;
- using Rtcp::OnReceivedLipSyncInfo;
-};
-
-class RtcpTest : public ::testing::Test {
- protected:
- RtcpTest()
- : testing_clock_(new base::SimpleTestTickClock()),
- task_runner_(new test::FakeSingleThreadTaskRunner(testing_clock_)),
- cast_environment_(new CastEnvironment(
- scoped_ptr<base::TickClock>(testing_clock_).Pass(),
- task_runner_,
- task_runner_,
- task_runner_)),
- sender_to_receiver_(testing_clock_),
- receiver_to_sender_(cast_environment_, testing_clock_) {
- testing_clock_->Advance(base::TimeTicks::Now() - base::TimeTicks());
- net::IPEndPoint dummy_endpoint;
- transport_sender_.reset(new transport::CastTransportSenderImpl(
- NULL,
- testing_clock_,
- dummy_endpoint,
- base::Bind(&UpdateCastTransportStatus),
- transport::BulkRawEventsCallback(),
- base::TimeDelta(),
- task_runner_,
- &sender_to_receiver_));
- transport::CastTransportRtpConfig config;
- config.ssrc = kSenderSsrc;
- config.rtp_payload_type = 127;
- config.stored_frames = 1;
- transport_sender_->InitializeAudio(config);
- EXPECT_CALL(mock_sender_feedback_, OnReceivedCastFeedback(_)).Times(0);
- }
-
- virtual ~RtcpTest() {}
-
- static void UpdateCastTransportStatus(transport::CastTransportStatus status) {
- bool result = (status == transport::TRANSPORT_AUDIO_INITIALIZED ||
- status == transport::TRANSPORT_VIDEO_INITIALIZED);
- EXPECT_TRUE(result);
- }
-
- void RunTasks(int during_ms) {
- for (int i = 0; i < during_ms; ++i) {
- // Call process the timers every 1 ms.
- testing_clock_->Advance(base::TimeDelta::FromMilliseconds(1));
- task_runner_->RunTasks();
- }
- }
-
- base::SimpleTestTickClock* testing_clock_; // Owned by CastEnvironment.
- scoped_refptr<test::FakeSingleThreadTaskRunner> task_runner_;
- scoped_refptr<CastEnvironment> cast_environment_;
- RtcpTestPacketSender sender_to_receiver_;
- scoped_ptr<transport::CastTransportSenderImpl> transport_sender_;
- LocalRtcpTransport receiver_to_sender_;
- MockRtcpSenderFeedback mock_sender_feedback_;
-
- DISALLOW_COPY_AND_ASSIGN(RtcpTest);
-};
-
-TEST_F(RtcpTest, TimeToSend) {
- const base::TimeTicks start_time = testing_clock_->NowTicks();
- Rtcp rtcp(cast_environment_,
- &mock_sender_feedback_,
- transport_sender_.get(),
- &receiver_to_sender_,
- NULL,
- kRtcpCompound,
- base::TimeDelta::FromMilliseconds(kRtcpIntervalMs),
- kSenderSsrc,
- kReceiverSsrc,
- kCName,
- AUDIO_EVENT);
- receiver_to_sender_.set_rtcp_receiver(&rtcp);
- EXPECT_LE(start_time, rtcp.TimeToSendNextRtcpReport());
- EXPECT_GE(
- start_time + base::TimeDelta::FromMilliseconds(kRtcpIntervalMs * 3 / 2),
- rtcp.TimeToSendNextRtcpReport());
- base::TimeDelta delta = rtcp.TimeToSendNextRtcpReport() - start_time;
- testing_clock_->Advance(delta);
- EXPECT_EQ(testing_clock_->NowTicks(), rtcp.TimeToSendNextRtcpReport());
-}
-
-TEST_F(RtcpTest, BasicSenderReport) {
- Rtcp rtcp(cast_environment_,
- &mock_sender_feedback_,
- transport_sender_.get(),
- NULL,
- NULL,
- kRtcpCompound,
- base::TimeDelta::FromMilliseconds(kRtcpIntervalMs),
- kSenderSsrc,
- kReceiverSsrc,
- kCName,
- AUDIO_EVENT);
- sender_to_receiver_.set_rtcp_receiver(&rtcp);
- rtcp.SendRtcpFromRtpSender(base::TimeTicks(), 0);
-}
-
-TEST_F(RtcpTest, BasicReceiverReport) {
- Rtcp rtcp(cast_environment_,
- &mock_sender_feedback_,
- NULL,
- &receiver_to_sender_,
- NULL,
- kRtcpCompound,
- base::TimeDelta::FromMilliseconds(kRtcpIntervalMs),
- kSenderSsrc,
- kReceiverSsrc,
- kCName,
- AUDIO_EVENT);
- receiver_to_sender_.set_rtcp_receiver(&rtcp);
- rtcp.SendRtcpFromRtpReceiver(NULL, NULL);
-}
-
-TEST_F(RtcpTest, BasicCast) {
- EXPECT_CALL(mock_sender_feedback_, OnReceivedCastFeedback(_)).Times(1);
-
- // Media receiver.
- Rtcp rtcp(cast_environment_,
- &mock_sender_feedback_,
- NULL,
- &receiver_to_sender_,
- NULL,
- kRtcpReducedSize,
- base::TimeDelta::FromMilliseconds(kRtcpIntervalMs),
- kSenderSsrc,
- kSenderSsrc,
- kCName,
- AUDIO_EVENT);
- receiver_to_sender_.set_rtcp_receiver(&rtcp);
- RtcpCastMessage cast_message(kSenderSsrc);
- cast_message.ack_frame_id_ = kAckFrameId;
- PacketIdSet missing_packets;
- cast_message.missing_frames_and_packets_[kLostFrameId] = missing_packets;
-
- missing_packets.insert(kLostPacketId1);
- missing_packets.insert(kLostPacketId2);
- missing_packets.insert(kLostPacketId3);
- cast_message.missing_frames_and_packets_[kFrameIdWithLostPackets] =
- missing_packets;
- rtcp.SendRtcpFromRtpReceiver(&cast_message, NULL);
-}
-
-TEST_F(RtcpTest, RttReducedSizeRtcp) {
- // Media receiver.
- Rtcp rtcp_receiver(cast_environment_,
- &mock_sender_feedback_,
- NULL,
- &receiver_to_sender_,
- NULL,
- kRtcpReducedSize,
- base::TimeDelta::FromMilliseconds(kRtcpIntervalMs),
- kReceiverSsrc,
- kSenderSsrc,
- kCName,
- AUDIO_EVENT);
-
- // Media sender.
- Rtcp rtcp_sender(cast_environment_,
- &mock_sender_feedback_,
- transport_sender_.get(),
- NULL,
- NULL,
- kRtcpReducedSize,
- base::TimeDelta::FromMilliseconds(kRtcpIntervalMs),
- kSenderSsrc,
- kReceiverSsrc,
- kCName,
- AUDIO_EVENT);
-
- sender_to_receiver_.set_rtcp_receiver(&rtcp_receiver);
- receiver_to_sender_.set_rtcp_receiver(&rtcp_sender);
-
- base::TimeDelta rtt;
- base::TimeDelta avg_rtt;
- base::TimeDelta min_rtt;
- base::TimeDelta max_rtt;
- EXPECT_FALSE(rtcp_sender.Rtt(&rtt, &avg_rtt, &min_rtt, &max_rtt));
- EXPECT_FALSE(rtcp_receiver.Rtt(&rtt, &avg_rtt, &min_rtt, &max_rtt));
-
- rtcp_sender.SendRtcpFromRtpSender(testing_clock_->NowTicks(), 1);
- RunTasks(33);
- rtcp_receiver.SendRtcpFromRtpReceiver(NULL, NULL);
- EXPECT_TRUE(rtcp_sender.Rtt(&rtt, &avg_rtt, &min_rtt, &max_rtt));
- EXPECT_FALSE(rtcp_receiver.Rtt(&rtt, &avg_rtt, &min_rtt, &max_rtt));
- EXPECT_NEAR(2 * kAddedDelay, rtt.InMilliseconds(), 2);
- EXPECT_NEAR(2 * kAddedDelay, avg_rtt.InMilliseconds(), 2);
- EXPECT_NEAR(2 * kAddedDelay, min_rtt.InMilliseconds(), 2);
- EXPECT_NEAR(2 * kAddedDelay, max_rtt.InMilliseconds(), 2);
- rtcp_sender.SendRtcpFromRtpSender(testing_clock_->NowTicks(), 2);
- RunTasks(33);
- EXPECT_TRUE(rtcp_receiver.Rtt(&rtt, &avg_rtt, &min_rtt, &max_rtt));
-
- EXPECT_NEAR(2 * kAddedDelay, rtt.InMilliseconds(), 2);
- EXPECT_NEAR(2 * kAddedDelay, avg_rtt.InMilliseconds(), 2);
- EXPECT_NEAR(2 * kAddedDelay, min_rtt.InMilliseconds(), 2);
- EXPECT_NEAR(2 * kAddedDelay, max_rtt.InMilliseconds(), 2);
-}
-
-TEST_F(RtcpTest, Rtt) {
- // Media receiver.
- Rtcp rtcp_receiver(cast_environment_,
- &mock_sender_feedback_,
- NULL,
- &receiver_to_sender_,
- NULL,
- kRtcpCompound,
- base::TimeDelta::FromMilliseconds(kRtcpIntervalMs),
- kReceiverSsrc,
- kSenderSsrc,
- kCName,
- AUDIO_EVENT);
-
- // Media sender.
- Rtcp rtcp_sender(cast_environment_,
- &mock_sender_feedback_,
- transport_sender_.get(),
- NULL,
- NULL,
- kRtcpCompound,
- base::TimeDelta::FromMilliseconds(kRtcpIntervalMs),
- kSenderSsrc,
- kReceiverSsrc,
- kCName,
- AUDIO_EVENT);
-
- receiver_to_sender_.set_rtcp_receiver(&rtcp_sender);
- sender_to_receiver_.set_rtcp_receiver(&rtcp_receiver);
-
- base::TimeDelta rtt;
- base::TimeDelta avg_rtt;
- base::TimeDelta min_rtt;
- base::TimeDelta max_rtt;
- EXPECT_FALSE(rtcp_sender.Rtt(&rtt, &avg_rtt, &min_rtt, &max_rtt));
- EXPECT_FALSE(rtcp_receiver.Rtt(&rtt, &avg_rtt, &min_rtt, &max_rtt));
-
- rtcp_sender.SendRtcpFromRtpSender(testing_clock_->NowTicks(), 1);
- RunTasks(33);
- rtcp_receiver.SendRtcpFromRtpReceiver(NULL, NULL);
-
- EXPECT_TRUE(rtcp_sender.Rtt(&rtt, &avg_rtt, &min_rtt, &max_rtt));
- RunTasks(33);
-
- EXPECT_FALSE(rtcp_receiver.Rtt(&rtt, &avg_rtt, &min_rtt, &max_rtt));
- RunTasks(33);
-
- EXPECT_NEAR(2 * kAddedDelay, rtt.InMilliseconds(), 2);
- EXPECT_NEAR(2 * kAddedDelay, avg_rtt.InMilliseconds(), 2);
- EXPECT_NEAR(2 * kAddedDelay, min_rtt.InMilliseconds(), 2);
- EXPECT_NEAR(2 * kAddedDelay, max_rtt.InMilliseconds(), 2);
-
- rtcp_sender.SendRtcpFromRtpSender(testing_clock_->NowTicks(), 2);
- RunTasks(33);
- EXPECT_TRUE(rtcp_receiver.Rtt(&rtt, &avg_rtt, &min_rtt, &max_rtt));
- EXPECT_NEAR(2 * kAddedDelay, rtt.InMilliseconds(), 2);
- EXPECT_NEAR(2 * kAddedDelay, avg_rtt.InMilliseconds(), 2);
- EXPECT_NEAR(2 * kAddedDelay, min_rtt.InMilliseconds(), 2);
- EXPECT_NEAR(2 * kAddedDelay, max_rtt.InMilliseconds(), 2);
-
- receiver_to_sender_.set_short_delay();
- sender_to_receiver_.set_short_delay();
- rtcp_receiver.SendRtcpFromRtpReceiver(NULL, NULL);
- EXPECT_TRUE(rtcp_sender.Rtt(&rtt, &avg_rtt, &min_rtt, &max_rtt));
- EXPECT_NEAR(kAddedDelay + kAddedShortDelay, rtt.InMilliseconds(), 2);
- EXPECT_NEAR(
- (kAddedShortDelay + 3 * kAddedDelay) / 2, avg_rtt.InMilliseconds(), 2);
- EXPECT_NEAR(kAddedDelay + kAddedShortDelay, min_rtt.InMilliseconds(), 2);
- EXPECT_NEAR(2 * kAddedDelay, max_rtt.InMilliseconds(), 2);
-
- rtcp_sender.SendRtcpFromRtpSender(testing_clock_->NowTicks(), 3);
- RunTasks(33);
- EXPECT_TRUE(rtcp_receiver.Rtt(&rtt, &avg_rtt, &min_rtt, &max_rtt));
- EXPECT_NEAR(2 * kAddedShortDelay, rtt.InMilliseconds(), 1);
- EXPECT_NEAR((2 * kAddedShortDelay + 2 * kAddedDelay) / 2,
- avg_rtt.InMilliseconds(),
- 1);
- EXPECT_NEAR(2 * kAddedShortDelay, min_rtt.InMilliseconds(), 2);
- EXPECT_NEAR(2 * kAddedDelay, max_rtt.InMilliseconds(), 2);
-
- rtcp_receiver.SendRtcpFromRtpReceiver(NULL, NULL);
- EXPECT_TRUE(rtcp_sender.Rtt(&rtt, &avg_rtt, &min_rtt, &max_rtt));
- EXPECT_NEAR(2 * kAddedShortDelay, rtt.InMilliseconds(), 2);
- EXPECT_NEAR(2 * kAddedShortDelay, min_rtt.InMilliseconds(), 2);
- EXPECT_NEAR(2 * kAddedDelay, max_rtt.InMilliseconds(), 2);
-
- rtcp_receiver.SendRtcpFromRtpReceiver(NULL, NULL);
- EXPECT_TRUE(rtcp_sender.Rtt(&rtt, &avg_rtt, &min_rtt, &max_rtt));
- EXPECT_NEAR(2 * kAddedShortDelay, rtt.InMilliseconds(), 2);
- EXPECT_NEAR(2 * kAddedShortDelay, min_rtt.InMilliseconds(), 2);
- EXPECT_NEAR(2 * kAddedDelay, max_rtt.InMilliseconds(), 2);
-}
-
-TEST_F(RtcpTest, RttWithPacketLoss) {
- // Media receiver.
- Rtcp rtcp_receiver(cast_environment_,
- &mock_sender_feedback_,
- NULL,
- &receiver_to_sender_,
- NULL,
- kRtcpReducedSize,
- base::TimeDelta::FromMilliseconds(kRtcpIntervalMs),
- kReceiverSsrc,
- kSenderSsrc,
- kCName,
- AUDIO_EVENT);
-
- // Media sender.
- Rtcp rtcp_sender(cast_environment_,
- &mock_sender_feedback_,
- transport_sender_.get(),
- NULL,
- NULL,
- kRtcpReducedSize,
- base::TimeDelta::FromMilliseconds(kRtcpIntervalMs),
- kSenderSsrc,
- kReceiverSsrc,
- kCName,
- AUDIO_EVENT);
-
- receiver_to_sender_.set_rtcp_receiver(&rtcp_sender);
- sender_to_receiver_.set_rtcp_receiver(&rtcp_receiver);
-
- rtcp_receiver.SendRtcpFromRtpReceiver(NULL, NULL);
- rtcp_sender.SendRtcpFromRtpSender(testing_clock_->NowTicks(), 0);
- RunTasks(33);
-
- base::TimeDelta rtt;
- base::TimeDelta avg_rtt;
- base::TimeDelta min_rtt;
- base::TimeDelta max_rtt;
- EXPECT_FALSE(rtcp_sender.Rtt(&rtt, &avg_rtt, &min_rtt, &max_rtt));
- EXPECT_TRUE(rtcp_receiver.Rtt(&rtt, &avg_rtt, &min_rtt, &max_rtt));
- EXPECT_NEAR(2 * kAddedDelay, rtt.InMilliseconds(), 1);
- EXPECT_NEAR(2 * kAddedDelay, avg_rtt.InMilliseconds(), 1);
- EXPECT_NEAR(2 * kAddedDelay, min_rtt.InMilliseconds(), 1);
- EXPECT_NEAR(2 * kAddedDelay, max_rtt.InMilliseconds(), 1);
-
- receiver_to_sender_.set_short_delay();
- sender_to_receiver_.set_short_delay();
- receiver_to_sender_.set_drop_packets(true);
-
- rtcp_receiver.SendRtcpFromRtpReceiver(NULL, NULL);
- rtcp_sender.SendRtcpFromRtpSender(testing_clock_->NowTicks(), 1);
- RunTasks(33);
-
- EXPECT_TRUE(rtcp_receiver.Rtt(&rtt, &avg_rtt, &min_rtt, &max_rtt));
- EXPECT_NEAR(kAddedDelay + kAddedShortDelay, rtt.InMilliseconds(), 2);
-}
-
-TEST_F(RtcpTest, NtpAndTime) {
- const int64 kSecondsbetweenYear1900and2010 = INT64_C(40176 * 24 * 60 * 60);
- const int64 kSecondsbetweenYear1900and2030 = INT64_C(47481 * 24 * 60 * 60);
-
- uint32 ntp_seconds_1 = 0;
- uint32 ntp_fraction_1 = 0;
- base::TimeTicks input_time = base::TimeTicks::Now();
- ConvertTimeTicksToNtp(input_time, &ntp_seconds_1, &ntp_fraction_1);
-
- // Verify absolute value.
- EXPECT_GT(ntp_seconds_1, kSecondsbetweenYear1900and2010);
- EXPECT_LT(ntp_seconds_1, kSecondsbetweenYear1900and2030);
-
- base::TimeTicks out_1 = ConvertNtpToTimeTicks(ntp_seconds_1, ntp_fraction_1);
- EXPECT_EQ(input_time, out_1); // Verify inverse.
-
- base::TimeDelta time_delta = base::TimeDelta::FromMilliseconds(1000);
- input_time += time_delta;
-
- uint32 ntp_seconds_2 = 0;
- uint32 ntp_fraction_2 = 0;
-
- ConvertTimeTicksToNtp(input_time, &ntp_seconds_2, &ntp_fraction_2);
- base::TimeTicks out_2 = ConvertNtpToTimeTicks(ntp_seconds_2, ntp_fraction_2);
- EXPECT_EQ(input_time, out_2); // Verify inverse.
-
- // Verify delta.
- EXPECT_EQ((out_2 - out_1), time_delta);
- EXPECT_EQ((ntp_seconds_2 - ntp_seconds_1), UINT32_C(1));
- EXPECT_NEAR(ntp_fraction_2, ntp_fraction_1, 1);
-
- time_delta = base::TimeDelta::FromMilliseconds(500);
- input_time += time_delta;
-
- uint32 ntp_seconds_3 = 0;
- uint32 ntp_fraction_3 = 0;
-
- ConvertTimeTicksToNtp(input_time, &ntp_seconds_3, &ntp_fraction_3);
- base::TimeTicks out_3 = ConvertNtpToTimeTicks(ntp_seconds_3, ntp_fraction_3);
- EXPECT_EQ(input_time, out_3); // Verify inverse.
-
- // Verify delta.
- EXPECT_EQ((out_3 - out_2), time_delta);
- EXPECT_NEAR((ntp_fraction_3 - ntp_fraction_2), 0xffffffff / 2, 1);
-}
-
-} // namespace cast
-} // namespace media
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