diff options
Diffstat (limited to 'chromium/media/cast/net/pacing/paced_sender_unittest.cc')
-rw-r--r-- | chromium/media/cast/net/pacing/paced_sender_unittest.cc | 257 |
1 files changed, 0 insertions, 257 deletions
diff --git a/chromium/media/cast/net/pacing/paced_sender_unittest.cc b/chromium/media/cast/net/pacing/paced_sender_unittest.cc deleted file mode 100644 index 15b81362f69..00000000000 --- a/chromium/media/cast/net/pacing/paced_sender_unittest.cc +++ /dev/null @@ -1,257 +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 "base/test/simple_test_tick_clock.h" -#include "media/cast/net/pacing/paced_sender.h" -#include "media/cast/test/fake_task_runner.h" -#include "testing/gmock/include/gmock/gmock.h" - -namespace media { -namespace cast { - -using testing::_; - -static const uint8 kValue = 123; -static const size_t kSize1 = 100; -static const size_t kSize2 = 101; -static const size_t kSize3 = 102; -static const size_t kSize4 = 103; -static const size_t kNackSize = 104; -static const int64 kStartMillisecond = GG_INT64_C(12345678900000); - -class TestPacketSender : public PacketSender { - public: - virtual bool SendPackets(const PacketList& packets) OVERRIDE { - PacketList::const_iterator it = packets.begin(); - for (; it != packets.end(); ++it) { - EXPECT_FALSE(expected_packet_size_.empty()); - size_t expected_packet_size = expected_packet_size_.front(); - expected_packet_size_.pop_front(); - EXPECT_EQ(expected_packet_size, it->size()); - } - return true; - } - - virtual bool SendPacket(const Packet& packet) OVERRIDE { - return true; - } - - void AddExpectedSize(int expected_packet_size, int repeat_count) { - for (int i = 0; i < repeat_count; ++i) { - expected_packet_size_.push_back(expected_packet_size); - } - } - - private: - std::list<int> expected_packet_size_; -}; - -class PacedSenderTest : public ::testing::Test { - protected: - PacedSenderTest() { - testing_clock_.Advance( - base::TimeDelta::FromMilliseconds(kStartMillisecond)); - } - - virtual ~PacedSenderTest() {} - - virtual void SetUp() { - task_runner_ = new test::FakeTaskRunner(&testing_clock_); - cast_environment_ = new CastEnvironment(&testing_clock_, task_runner_, - task_runner_, task_runner_, task_runner_, task_runner_, - GetDefaultCastLoggingConfig()); - paced_sender_.reset(new PacedSender(cast_environment_, &mock_transport_)); - } - - PacketList CreatePacketList(size_t packet_size, int num_of_packets_in_frame) { - PacketList packets; - for (int i = 0; i < num_of_packets_in_frame; ++i) { - packets.push_back(Packet(packet_size, kValue)); - } - return packets; - } - - base::SimpleTestTickClock testing_clock_; - TestPacketSender mock_transport_; - scoped_refptr<test::FakeTaskRunner> task_runner_; - scoped_ptr<PacedSender> paced_sender_; - scoped_refptr<CastEnvironment> cast_environment_; -}; - -TEST_F(PacedSenderTest, PassThroughRtcp) { - mock_transport_.AddExpectedSize(kSize1, 1); - PacketList packets = CreatePacketList(kSize1, 1); - - EXPECT_TRUE(paced_sender_->SendPackets(packets)); - EXPECT_TRUE(paced_sender_->ResendPackets(packets)); - - mock_transport_.AddExpectedSize(kSize2, 1); - EXPECT_TRUE(paced_sender_->SendRtcpPacket(Packet(kSize2, kValue))); -} - -TEST_F(PacedSenderTest, BasicPace) { - int num_of_packets = 9; - PacketList packets = CreatePacketList(kSize1, num_of_packets); - - mock_transport_.AddExpectedSize(kSize1, 3); - EXPECT_TRUE(paced_sender_->SendPackets(packets)); - - // Check that we get the next burst. - mock_transport_.AddExpectedSize(kSize1, 3); - - base::TimeDelta timeout = base::TimeDelta::FromMilliseconds(10); - testing_clock_.Advance(timeout); - task_runner_->RunTasks(); - - // If we call process too early make sure we don't send any packets. - timeout = base::TimeDelta::FromMilliseconds(5); - testing_clock_.Advance(timeout); - task_runner_->RunTasks(); - - // Check that we get the next burst. - mock_transport_.AddExpectedSize(kSize1, 3); - testing_clock_.Advance(timeout); - task_runner_->RunTasks(); - - // Check that we don't get any more packets. - testing_clock_.Advance(timeout); - task_runner_->RunTasks(); -} - -TEST_F(PacedSenderTest, PaceWithNack) { - // Testing what happen when we get multiple NACK requests for a fully lost - // frames just as we sent the first packets in a frame. - int num_of_packets_in_frame = 9; - int num_of_packets_in_nack = 9; - - PacketList first_frame_packets = - CreatePacketList(kSize1, num_of_packets_in_frame); - - PacketList second_frame_packets = - CreatePacketList(kSize2, num_of_packets_in_frame); - - PacketList nack_packets = - CreatePacketList(kNackSize, num_of_packets_in_nack); - - // Check that the first burst of the frame go out on the wire. - mock_transport_.AddExpectedSize(kSize1, 3); - EXPECT_TRUE(paced_sender_->SendPackets(first_frame_packets)); - - // Add first NACK request. - EXPECT_TRUE(paced_sender_->ResendPackets(nack_packets)); - - // Check that we get the first NACK burst. - mock_transport_.AddExpectedSize(kNackSize, 5); - base::TimeDelta timeout = base::TimeDelta::FromMilliseconds(10); - testing_clock_.Advance(timeout); - task_runner_->RunTasks(); - - // Add second NACK request. - EXPECT_TRUE(paced_sender_->ResendPackets(nack_packets)); - - // Check that we get the next NACK burst. - mock_transport_.AddExpectedSize(kNackSize, 7); - testing_clock_.Advance(timeout); - task_runner_->RunTasks(); - - // End of NACK plus a packet from the oldest frame. - mock_transport_.AddExpectedSize(kNackSize, 6); - mock_transport_.AddExpectedSize(kSize1, 1); - testing_clock_.Advance(timeout); - task_runner_->RunTasks(); - - // Add second frame. - // Make sure we don't delay the second frame due to the previous packets. - EXPECT_TRUE(paced_sender_->SendPackets(second_frame_packets)); - - // Last packets of frame 1 and the first packets of frame 2. - mock_transport_.AddExpectedSize(kSize1, 5); - mock_transport_.AddExpectedSize(kSize2, 2); - testing_clock_.Advance(timeout); - task_runner_->RunTasks(); - - // Last packets of frame 2. - mock_transport_.AddExpectedSize(kSize2, 7); - testing_clock_.Advance(timeout); - task_runner_->RunTasks(); - - // No more packets. - testing_clock_.Advance(timeout); - task_runner_->RunTasks(); -} - -TEST_F(PacedSenderTest, PaceWith60fps) { - // Testing what happen when we get multiple NACK requests for a fully lost - // frames just as we sent the first packets in a frame. - int num_of_packets_in_frame = 9; - - PacketList first_frame_packets = - CreatePacketList(kSize1, num_of_packets_in_frame); - - PacketList second_frame_packets = - CreatePacketList(kSize2, num_of_packets_in_frame); - - PacketList third_frame_packets = - CreatePacketList(kSize3, num_of_packets_in_frame); - - PacketList fourth_frame_packets = - CreatePacketList(kSize4, num_of_packets_in_frame); - - base::TimeDelta timeout_10ms = base::TimeDelta::FromMilliseconds(10); - - // Check that the first burst of the frame go out on the wire. - mock_transport_.AddExpectedSize(kSize1, 3); - EXPECT_TRUE(paced_sender_->SendPackets(first_frame_packets)); - - mock_transport_.AddExpectedSize(kSize1, 3); - testing_clock_.Advance(timeout_10ms); - task_runner_->RunTasks(); - - testing_clock_.Advance(base::TimeDelta::FromMilliseconds(6)); - - // Add second frame, after 16 ms. - EXPECT_TRUE(paced_sender_->SendPackets(second_frame_packets)); - testing_clock_.Advance(base::TimeDelta::FromMilliseconds(4)); - - mock_transport_.AddExpectedSize(kSize1, 3); - mock_transport_.AddExpectedSize(kSize2, 1); - testing_clock_.Advance(timeout_10ms); - task_runner_->RunTasks(); - - mock_transport_.AddExpectedSize(kSize2, 4); - testing_clock_.Advance(timeout_10ms); - task_runner_->RunTasks(); - - testing_clock_.Advance(base::TimeDelta::FromMilliseconds(3)); - - // Add third frame, after 33 ms. - EXPECT_TRUE(paced_sender_->SendPackets(third_frame_packets)); - mock_transport_.AddExpectedSize(kSize2, 4); - mock_transport_.AddExpectedSize(kSize3, 1); - - testing_clock_.Advance(base::TimeDelta::FromMilliseconds(7)); - task_runner_->RunTasks(); - - // Add fourth frame, after 50 ms. - EXPECT_TRUE(paced_sender_->SendPackets(fourth_frame_packets)); - - mock_transport_.AddExpectedSize(kSize3, 6); - testing_clock_.Advance(timeout_10ms); - task_runner_->RunTasks(); - - mock_transport_.AddExpectedSize(kSize3, 2); - mock_transport_.AddExpectedSize(kSize4, 4); - testing_clock_.Advance(timeout_10ms); - task_runner_->RunTasks(); - - mock_transport_.AddExpectedSize(kSize4, 5); - testing_clock_.Advance(timeout_10ms); - task_runner_->RunTasks(); - - testing_clock_.Advance(timeout_10ms); - task_runner_->RunTasks(); -} - -} // namespace cast -} // namespace media |