Cast:Moving netwrok sender related code to a designated folder

media/cast/rtp_sender/rtp_packetizer/rtp_packetizer_unittest.cc

-// 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 "media/cast/rtp_sender/rtp_packetizer/rtp_packetizer.h"
-
-#include "base/memory/scoped_ptr.h"
-#include "base/test/simple_test_tick_clock.h"
-#include "media/cast/cast_config.h"
-#include "media/cast/pacing/paced_sender.h"
-#include "media/cast/rtp_common/rtp_defines.h"
-#include "media/cast/rtp_sender/packet_storage/packet_storage.h"
-#include "media/cast/rtp_sender/rtp_packetizer/test/rtp_header_parser.h"
-#include "testing/gmock/include/gmock/gmock.h"
-
-namespace media {
-namespace cast {
-
-static const int kPayload = 127;
-static const uint32 kTimestampMs = 10;
-static const uint16 kSeqNum = 33;
-static const int kMaxPacketLength = 1500;
-static const int kSsrc = 0x12345;
-static const unsigned int kFrameSize = 5000;
-static const int kMaxPacketStorageTimeMs = 300;
-
-class TestRtpPacketTransport : public PacedPacketSender {
- public:
-  explicit TestRtpPacketTransport(RtpPacketizerConfig config)
-       : config_(config),
-         sequence_number_(kSeqNum),
-         packets_sent_(0),
-         expected_number_of_packets_(0),
-         expected_packet_id_(0),
-         expected_frame_id_(0) {}
-
-  void VerifyRtpHeader(const RtpCastHeader& rtp_header) {
-    VerifyCommonRtpHeader(rtp_header);
-    VerifyCastRtpHeader(rtp_header);
-  }
-
-  void VerifyCommonRtpHeader(const RtpCastHeader& rtp_header) {
-    EXPECT_EQ(expected_number_of_packets_ == packets_sent_,
-        rtp_header.webrtc.header.markerBit);
-    EXPECT_EQ(kPayload, rtp_header.webrtc.header.payloadType);
-    EXPECT_EQ(sequence_number_, rtp_header.webrtc.header.sequenceNumber);
-    EXPECT_EQ(kTimestampMs * 90, rtp_header.webrtc.header.timestamp);
-    EXPECT_EQ(config_.ssrc, rtp_header.webrtc.header.ssrc);
-    EXPECT_EQ(0, rtp_header.webrtc.header.numCSRCs);
-  }
-
-  void VerifyCastRtpHeader(const RtpCastHeader& rtp_header) {
-    EXPECT_FALSE(rtp_header.is_key_frame);
-    EXPECT_EQ(expected_frame_id_, rtp_header.frame_id);
-    EXPECT_EQ(expected_packet_id_, rtp_header.packet_id);
-    EXPECT_EQ(expected_number_of_packets_ - 1, rtp_header.max_packet_id);
-    EXPECT_TRUE(rtp_header.is_reference);
-    EXPECT_EQ(expected_frame_id_ - 1u, rtp_header.reference_frame_id);
-  }
-
-  virtual bool SendPackets(const PacketList& packets) OVERRIDE {
-    EXPECT_EQ(expected_number_of_packets_, static_cast<int>(packets.size()));
-    PacketList::const_iterator it = packets.begin();
-    for (; it != packets.end(); ++it) {
-      ++packets_sent_;
-      RtpHeaderParser parser(it->data(), it->size());
-      RtpCastHeader rtp_header;
-      parser.Parse(&rtp_header);
-      VerifyRtpHeader(rtp_header);
-      ++sequence_number_;
-      ++expected_packet_id_;
-    }
-    return true;
-  }
-
-  virtual bool ResendPackets(const PacketList& packets) OVERRIDE {
-    EXPECT_TRUE(false);
-    return false;
-  }
-
-  virtual bool SendRtcpPacket(const std::vector<uint8>& packet) OVERRIDE {
-    EXPECT_TRUE(false);
-    return false;
-  }
-
-  void SetExpectedNumberOfPackets(int num) {
-    expected_number_of_packets_ = num;
-  }
-
-  RtpPacketizerConfig config_;
-  uint32 sequence_number_;
-  int packets_sent_;
-  int expected_number_of_packets_;
-  // Assuming packets arrive in sequence.
-  int expected_packet_id_;
-  uint32 expected_frame_id_;
-};
-
-class RtpPacketizerTest : public ::testing::Test {
- protected:
-  RtpPacketizerTest()
-      :video_frame_(),
-       packet_storage_(&testing_clock_, kMaxPacketStorageTimeMs) {
-    config_.sequence_number = kSeqNum;
-    config_.ssrc = kSsrc;
-    config_.payload_type = kPayload;
-    config_.max_payload_length = kMaxPacketLength;
-    transport_.reset(new TestRtpPacketTransport(config_));
-    rtp_packetizer_.reset(
-        new RtpPacketizer(transport_.get(), &packet_storage_, config_));
-  }
-
-  virtual ~RtpPacketizerTest() {}
-
-  virtual void SetUp() {
-    video_frame_.key_frame = false;
-    video_frame_.frame_id = 0;
-    video_frame_.last_referenced_frame_id = kStartFrameId;
-    video_frame_.data.assign(kFrameSize, 123);
-  }
-
-  base::SimpleTestTickClock testing_clock_;
-  scoped_ptr<RtpPacketizer> rtp_packetizer_;
-  RtpPacketizerConfig config_;
-  scoped_ptr<TestRtpPacketTransport> transport_;
-  EncodedVideoFrame video_frame_;
-  PacketStorage packet_storage_;
-};
-
-TEST_F(RtpPacketizerTest, SendStandardPackets) {
-  int expected_num_of_packets = kFrameSize / kMaxPacketLength + 1;
-  transport_->SetExpectedNumberOfPackets(expected_num_of_packets);
-
-  base::TimeTicks time;
-  time += base::TimeDelta::FromMilliseconds(kTimestampMs);
-  rtp_packetizer_->IncomingEncodedVideoFrame(&video_frame_, time);
-}
-
-TEST_F(RtpPacketizerTest, Stats) {
-  EXPECT_FALSE(rtp_packetizer_->send_packets_count());
-  EXPECT_FALSE(rtp_packetizer_->send_octet_count());
-  // Insert packets at varying lengths.
-  int expected_num_of_packets = kFrameSize / kMaxPacketLength + 1;
-  transport_->SetExpectedNumberOfPackets(expected_num_of_packets);
-
-  testing_clock_.Advance(base::TimeDelta::FromMilliseconds(kTimestampMs));
-  rtp_packetizer_->IncomingEncodedVideoFrame(&video_frame_,
-                                             testing_clock_.NowTicks());
-  EXPECT_EQ(expected_num_of_packets, rtp_packetizer_->send_packets_count());
-  EXPECT_EQ(kFrameSize, rtp_packetizer_->send_octet_count());
-}
-
-}  // namespace cast
-}  // namespace media