Move shared files in net/quic/ into net/quic/core/

net/quic/quic_unacked_packet_map_test.cc

Index: net/quic/quic_unacked_packet_map_test.cc
diff --git a/net/quic/quic_unacked_packet_map_test.cc b/net/quic/quic_unacked_packet_map_test.cc
deleted file mode 100644
index 5d85da9b1533e24ef52cc02ff3dbfe9b035f55f7..0000000000000000000000000000000000000000
--- a/net/quic/quic_unacked_packet_map_test.cc
+++ /dev/null
@@ -1,395 +0,0 @@
-// Copyright 2014 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 "net/quic/quic_unacked_packet_map.h"
-
-#include "base/stl_util.h"
-#include "net/quic/quic_flags.h"
-#include "net/quic/quic_utils.h"
-#include "net/quic/test_tools/quic_test_utils.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-using std::min;
-using std::vector;
-
-namespace net {
-namespace test {
-namespace {
-
-// Default packet length.
-const uint32_t kDefaultLength = 1000;
-
-class QuicUnackedPacketMapTest : public ::testing::Test {
- protected:
-  QuicUnackedPacketMapTest()
-      : unacked_packets_(),
-        now_(QuicTime::Zero() + QuicTime::Delta::FromMilliseconds(1000)) {}
-
-  ~QuicUnackedPacketMapTest() override { STLDeleteElements(&packets_); }
-
-  SerializedPacket CreateRetransmittablePacket(QuicPacketNumber packet_number) {
-    return CreateRetransmittablePacketForStream(packet_number,
-                                                kHeadersStreamId);
-  }
-
-  SerializedPacket CreateRetransmittablePacketForStream(
-      QuicPacketNumber packet_number,
-      QuicStreamId stream_id) {
-    SerializedPacket packet(kDefaultPathId, packet_number,
-                            PACKET_1BYTE_PACKET_NUMBER, nullptr, kDefaultLength,
-                            0, false, false);
-    QuicStreamFrame* frame = new QuicStreamFrame();
-    frame->stream_id = stream_id;
-    packet.retransmittable_frames.push_back(QuicFrame(frame));
-    return packet;
-  }
-
-  SerializedPacket CreateNonRetransmittablePacket(
-      QuicPacketNumber packet_number) {
-    return SerializedPacket(kDefaultPathId, packet_number,
-                            PACKET_1BYTE_PACKET_NUMBER, nullptr, kDefaultLength,
-                            0, false, false);
-  }
-
-  void VerifyInFlightPackets(QuicPacketNumber* packets, size_t num_packets) {
-    unacked_packets_.RemoveObsoletePackets();
-    if (num_packets == 0) {
-      EXPECT_FALSE(unacked_packets_.HasInFlightPackets());
-      EXPECT_FALSE(unacked_packets_.HasMultipleInFlightPackets());
-      return;
-    }
-    if (num_packets == 1) {
-      EXPECT_TRUE(unacked_packets_.HasInFlightPackets());
-      EXPECT_FALSE(unacked_packets_.HasMultipleInFlightPackets());
-      ASSERT_TRUE(unacked_packets_.IsUnacked(packets[0]));
-      EXPECT_TRUE(unacked_packets_.GetTransmissionInfo(packets[0]).in_flight);
-    }
-    for (size_t i = 0; i < num_packets; ++i) {
-      ASSERT_TRUE(unacked_packets_.IsUnacked(packets[i]));
-      EXPECT_TRUE(unacked_packets_.GetTransmissionInfo(packets[i]).in_flight);
-    }
-    size_t in_flight_count = 0;
-    for (QuicUnackedPacketMap::const_iterator it = unacked_packets_.begin();
-         it != unacked_packets_.end(); ++it) {
-      if (it->in_flight) {
-        ++in_flight_count;
-      }
-    }
-    EXPECT_EQ(num_packets, in_flight_count);
-  }
-
-  void VerifyUnackedPackets(QuicPacketNumber* packets, size_t num_packets) {
-    unacked_packets_.RemoveObsoletePackets();
-    if (num_packets == 0) {
-      EXPECT_FALSE(unacked_packets_.HasUnackedPackets());
-      EXPECT_FALSE(unacked_packets_.HasUnackedRetransmittableFrames());
-      return;
-    }
-    EXPECT_TRUE(unacked_packets_.HasUnackedPackets());
-    for (size_t i = 0; i < num_packets; ++i) {
-      EXPECT_TRUE(unacked_packets_.IsUnacked(packets[i])) << packets[i];
-    }
-    EXPECT_EQ(num_packets, unacked_packets_.GetNumUnackedPacketsDebugOnly());
-  }
-
-  void VerifyRetransmittablePackets(QuicPacketNumber* packets,
-                                    size_t num_packets) {
-    unacked_packets_.RemoveObsoletePackets();
-    size_t num_retransmittable_packets = 0;
-    for (QuicUnackedPacketMap::const_iterator it = unacked_packets_.begin();
-         it != unacked_packets_.end(); ++it) {
-      if (!it->retransmittable_frames.empty()) {
-        ++num_retransmittable_packets;
-      }
-    }
-    EXPECT_EQ(num_packets, num_retransmittable_packets);
-    for (size_t i = 0; i < num_packets; ++i) {
-      EXPECT_TRUE(unacked_packets_.HasRetransmittableFrames(packets[i]))
-          << " packets[" << i << "]:" << packets[i];
-    }
-  }
-  vector<QuicEncryptedPacket*> packets_;
-  QuicUnackedPacketMap unacked_packets_;
-  QuicTime now_;
-};
-
-TEST_F(QuicUnackedPacketMapTest, RttOnly) {
-  // Acks are only tracked for RTT measurement purposes.
-  SerializedPacket packet(CreateNonRetransmittablePacket(1));
-  unacked_packets_.AddSentPacket(&packet, 0, NOT_RETRANSMISSION, now_, false);
-
-  QuicPacketNumber unacked[] = {1};
-  VerifyUnackedPackets(unacked, arraysize(unacked));
-  VerifyInFlightPackets(nullptr, 0);
-  VerifyRetransmittablePackets(nullptr, 0);
-
-  unacked_packets_.IncreaseLargestObserved(1);
-  VerifyUnackedPackets(nullptr, 0);
-  VerifyInFlightPackets(nullptr, 0);
-  VerifyRetransmittablePackets(nullptr, 0);
-}
-
-TEST_F(QuicUnackedPacketMapTest, RetransmittableInflightAndRtt) {
-  // Simulate a retransmittable packet being sent and acked.
-  SerializedPacket packet(CreateRetransmittablePacket(1));
-  unacked_packets_.AddSentPacket(&packet, 0, NOT_RETRANSMISSION, now_, true);
-
-  QuicPacketNumber unacked[] = {1};
-  VerifyUnackedPackets(unacked, arraysize(unacked));
-  VerifyInFlightPackets(unacked, arraysize(unacked));
-  VerifyRetransmittablePackets(unacked, arraysize(unacked));
-
-  unacked_packets_.RemoveRetransmittability(1);
-  VerifyUnackedPackets(unacked, arraysize(unacked));
-  VerifyInFlightPackets(unacked, arraysize(unacked));
-  VerifyRetransmittablePackets(nullptr, 0);
-
-  unacked_packets_.IncreaseLargestObserved(1);
-  VerifyUnackedPackets(unacked, arraysize(unacked));
-  VerifyInFlightPackets(unacked, arraysize(unacked));
-  VerifyRetransmittablePackets(nullptr, 0);
-
-  unacked_packets_.RemoveFromInFlight(1);
-  VerifyUnackedPackets(nullptr, 0);
-  VerifyInFlightPackets(nullptr, 0);
-  VerifyRetransmittablePackets(nullptr, 0);
-}
-
-TEST_F(QuicUnackedPacketMapTest, StopRetransmission) {
-  const QuicStreamId stream_id = 2;
-  SerializedPacket packet(CreateRetransmittablePacketForStream(1, stream_id));
-  unacked_packets_.AddSentPacket(&packet, 0, NOT_RETRANSMISSION, now_, true);
-
-  QuicPacketNumber unacked[] = {1};
-  VerifyUnackedPackets(unacked, arraysize(unacked));
-  VerifyInFlightPackets(unacked, arraysize(unacked));
-  QuicPacketNumber retransmittable[] = {1};
-  VerifyRetransmittablePackets(retransmittable, arraysize(retransmittable));
-
-  unacked_packets_.CancelRetransmissionsForStream(stream_id);
-  VerifyUnackedPackets(unacked, arraysize(unacked));
-  VerifyInFlightPackets(unacked, arraysize(unacked));
-  VerifyRetransmittablePackets(nullptr, 0);
-}
-
-TEST_F(QuicUnackedPacketMapTest, StopRetransmissionOnOtherStream) {
-  const QuicStreamId stream_id = 2;
-  SerializedPacket packet(CreateRetransmittablePacketForStream(1, stream_id));
-  unacked_packets_.AddSentPacket(&packet, 0, NOT_RETRANSMISSION, now_, true);
-
-  QuicPacketNumber unacked[] = {1};
-  VerifyUnackedPackets(unacked, arraysize(unacked));
-  VerifyInFlightPackets(unacked, arraysize(unacked));
-  QuicPacketNumber retransmittable[] = {1};
-  VerifyRetransmittablePackets(retransmittable, arraysize(retransmittable));
-
-  // Stop retransmissions on another stream and verify the packet is unchanged.
-  unacked_packets_.CancelRetransmissionsForStream(stream_id + 2);
-  VerifyUnackedPackets(unacked, arraysize(unacked));
-  VerifyInFlightPackets(unacked, arraysize(unacked));
-  VerifyRetransmittablePackets(retransmittable, arraysize(retransmittable));
-}
-
-TEST_F(QuicUnackedPacketMapTest, StopRetransmissionAfterRetransmission) {
-  const QuicStreamId stream_id = 2;
-  SerializedPacket packet1(CreateRetransmittablePacketForStream(1, stream_id));
-  unacked_packets_.AddSentPacket(&packet1, 0, NOT_RETRANSMISSION, now_, true);
-  SerializedPacket packet2(CreateNonRetransmittablePacket(2));
-  unacked_packets_.AddSentPacket(&packet2, 1, LOSS_RETRANSMISSION, now_, true);
-
-  QuicPacketNumber unacked[] = {1, 2};
-  VerifyUnackedPackets(unacked, arraysize(unacked));
-  VerifyInFlightPackets(unacked, arraysize(unacked));
-  QuicPacketNumber retransmittable[] = {2};
-  VerifyRetransmittablePackets(retransmittable, arraysize(retransmittable));
-
-  unacked_packets_.CancelRetransmissionsForStream(stream_id);
-  VerifyUnackedPackets(unacked, arraysize(unacked));
-  VerifyInFlightPackets(unacked, arraysize(unacked));
-  VerifyRetransmittablePackets(nullptr, 0);
-}
-
-TEST_F(QuicUnackedPacketMapTest, RetransmittedPacket) {
-  // Simulate a retransmittable packet being sent, retransmitted, and the first
-  // transmission being acked.
-  SerializedPacket packet1(CreateRetransmittablePacket(1));
-  unacked_packets_.AddSentPacket(&packet1, 0, NOT_RETRANSMISSION, now_, true);
-  SerializedPacket packet2(CreateNonRetransmittablePacket(2));
-  unacked_packets_.AddSentPacket(&packet2, 1, LOSS_RETRANSMISSION, now_, true);
-
-  QuicPacketNumber unacked[] = {1, 2};
-  VerifyUnackedPackets(unacked, arraysize(unacked));
-  VerifyInFlightPackets(unacked, arraysize(unacked));
-  QuicPacketNumber retransmittable[] = {2};
-  VerifyRetransmittablePackets(retransmittable, arraysize(retransmittable));
-
-  unacked_packets_.RemoveRetransmittability(1);
-  VerifyUnackedPackets(unacked, arraysize(unacked));
-  VerifyInFlightPackets(unacked, arraysize(unacked));
-  VerifyRetransmittablePackets(nullptr, 0);
-
-  unacked_packets_.IncreaseLargestObserved(2);
-  VerifyUnackedPackets(unacked, arraysize(unacked));
-  VerifyInFlightPackets(unacked, arraysize(unacked));
-  VerifyRetransmittablePackets(nullptr, 0);
-
-  unacked_packets_.RemoveFromInFlight(2);
-  QuicPacketNumber unacked2[] = {1};
-  VerifyUnackedPackets(unacked2, arraysize(unacked2));
-  VerifyInFlightPackets(unacked2, arraysize(unacked2));
-  VerifyRetransmittablePackets(nullptr, 0);
-
-  unacked_packets_.RemoveFromInFlight(1);
-  VerifyUnackedPackets(nullptr, 0);
-  VerifyInFlightPackets(nullptr, 0);
-  VerifyRetransmittablePackets(nullptr, 0);
-}
-
-TEST_F(QuicUnackedPacketMapTest, RetransmitThreeTimes) {
-  // Simulate a retransmittable packet being sent and retransmitted twice.
-  SerializedPacket packet1(CreateRetransmittablePacket(1));
-  unacked_packets_.AddSentPacket(&packet1, 0, NOT_RETRANSMISSION, now_, true);
-  SerializedPacket packet2(CreateRetransmittablePacket(2));
-  unacked_packets_.AddSentPacket(&packet2, 0, NOT_RETRANSMISSION, now_, true);
-
-  QuicPacketNumber unacked[] = {1, 2};
-  VerifyUnackedPackets(unacked, arraysize(unacked));
-  VerifyInFlightPackets(unacked, arraysize(unacked));
-  QuicPacketNumber retransmittable[] = {1, 2};
-  VerifyRetransmittablePackets(retransmittable, arraysize(retransmittable));
-
-  // Early retransmit 1 as 3 and send new data as 4.
-  unacked_packets_.IncreaseLargestObserved(2);
-  unacked_packets_.RemoveFromInFlight(2);
-  unacked_packets_.RemoveRetransmittability(2);
-  unacked_packets_.RemoveFromInFlight(1);
-  SerializedPacket packet3(CreateNonRetransmittablePacket(3));
-  unacked_packets_.AddSentPacket(&packet3, 1, LOSS_RETRANSMISSION, now_, true);
-  SerializedPacket packet4(CreateRetransmittablePacket(4));
-  unacked_packets_.AddSentPacket(&packet4, 0, NOT_RETRANSMISSION, now_, true);
-
-  QuicPacketNumber unacked2[] = {1, 3, 4};
-  VerifyUnackedPackets(unacked2, arraysize(unacked2));
-  QuicPacketNumber pending2[] = {3, 4};
-  VerifyInFlightPackets(pending2, arraysize(pending2));
-  QuicPacketNumber retransmittable2[] = {3, 4};
-  VerifyRetransmittablePackets(retransmittable2, arraysize(retransmittable2));
-
-  // Early retransmit 3 (formerly 1) as 5, and remove 1 from unacked.
-  unacked_packets_.IncreaseLargestObserved(4);
-  unacked_packets_.RemoveFromInFlight(4);
-  unacked_packets_.RemoveRetransmittability(4);
-  SerializedPacket packet5(CreateNonRetransmittablePacket(5));
-  unacked_packets_.AddSentPacket(&packet5, 3, LOSS_RETRANSMISSION, now_, true);
-  SerializedPacket packet6(CreateRetransmittablePacket(6));
-  unacked_packets_.AddSentPacket(&packet6, 0, NOT_RETRANSMISSION, now_, true);
-
-  QuicPacketNumber unacked3[] = {3, 5, 6};
-  VerifyUnackedPackets(unacked3, arraysize(unacked3));
-  QuicPacketNumber pending3[] = {3, 5, 6};
-  VerifyInFlightPackets(pending3, arraysize(pending3));
-  QuicPacketNumber retransmittable3[] = {5, 6};
-  VerifyRetransmittablePackets(retransmittable3, arraysize(retransmittable3));
-
-  // Early retransmit 5 as 7 and ensure in flight packet 3 is not removed.
-  unacked_packets_.IncreaseLargestObserved(6);
-  unacked_packets_.RemoveFromInFlight(6);
-  unacked_packets_.RemoveRetransmittability(6);
-  SerializedPacket packet7(CreateNonRetransmittablePacket(7));
-  unacked_packets_.AddSentPacket(&packet7, 5, LOSS_RETRANSMISSION, now_, true);
-
-  QuicPacketNumber unacked4[] = {3, 5, 7};
-  VerifyUnackedPackets(unacked4, arraysize(unacked4));
-  QuicPacketNumber pending4[] = {3, 5, 7};
-  VerifyInFlightPackets(pending4, arraysize(pending4));
-  QuicPacketNumber retransmittable4[] = {7};
-  VerifyRetransmittablePackets(retransmittable4, arraysize(retransmittable4));
-
-  // Remove the older two transmissions from in flight.
-  unacked_packets_.RemoveFromInFlight(3);
-  unacked_packets_.RemoveFromInFlight(5);
-  QuicPacketNumber pending5[] = {7};
-  VerifyInFlightPackets(pending5, arraysize(pending5));
-}
-
-TEST_F(QuicUnackedPacketMapTest, RetransmitFourTimes) {
-  // Simulate a retransmittable packet being sent and retransmitted twice.
-  SerializedPacket packet1(CreateRetransmittablePacket(1));
-  unacked_packets_.AddSentPacket(&packet1, 0, NOT_RETRANSMISSION, now_, true);
-  SerializedPacket packet2(CreateRetransmittablePacket(2));
-  unacked_packets_.AddSentPacket(&packet2, 0, NOT_RETRANSMISSION, now_, true);
-
-  QuicPacketNumber unacked[] = {1, 2};
-  VerifyUnackedPackets(unacked, arraysize(unacked));
-  VerifyInFlightPackets(unacked, arraysize(unacked));
-  QuicPacketNumber retransmittable[] = {1, 2};
-  VerifyRetransmittablePackets(retransmittable, arraysize(retransmittable));
-
-  // Early retransmit 1 as 3.
-  unacked_packets_.IncreaseLargestObserved(2);
-  unacked_packets_.RemoveFromInFlight(2);
-  unacked_packets_.RemoveRetransmittability(2);
-  unacked_packets_.RemoveFromInFlight(1);
-  SerializedPacket packet3(CreateNonRetransmittablePacket(3));
-  unacked_packets_.AddSentPacket(&packet3, 1, LOSS_RETRANSMISSION, now_, true);
-
-  QuicPacketNumber unacked2[] = {1, 3};
-  VerifyUnackedPackets(unacked2, arraysize(unacked2));
-  QuicPacketNumber pending2[] = {3};
-  VerifyInFlightPackets(pending2, arraysize(pending2));
-  QuicPacketNumber retransmittable2[] = {3};
-  VerifyRetransmittablePackets(retransmittable2, arraysize(retransmittable2));
-
-  // TLP 3 (formerly 1) as 4, and don't remove 1 from unacked.
-  SerializedPacket packet4(CreateNonRetransmittablePacket(4));
-  unacked_packets_.AddSentPacket(&packet4, 3, TLP_RETRANSMISSION, now_, true);
-  SerializedPacket packet5(CreateRetransmittablePacket(5));
-  unacked_packets_.AddSentPacket(&packet5, 0, NOT_RETRANSMISSION, now_, true);
-
-  QuicPacketNumber unacked3[] = {1, 3, 4, 5};
-  VerifyUnackedPackets(unacked3, arraysize(unacked3));
-  QuicPacketNumber pending3[] = {3, 4, 5};
-  VerifyInFlightPackets(pending3, arraysize(pending3));
-  QuicPacketNumber retransmittable3[] = {4, 5};
-  VerifyRetransmittablePackets(retransmittable3, arraysize(retransmittable3));
-
-  // Early retransmit 4 as 6 and ensure in flight packet 3 is removed.
-  unacked_packets_.IncreaseLargestObserved(5);
-  unacked_packets_.RemoveFromInFlight(5);
-  unacked_packets_.RemoveRetransmittability(5);
-  unacked_packets_.RemoveFromInFlight(3);
-  unacked_packets_.RemoveFromInFlight(4);
-  SerializedPacket packet6(CreateNonRetransmittablePacket(6));
-  unacked_packets_.AddSentPacket(&packet6, 4, LOSS_RETRANSMISSION, now_, true);
-
-  QuicPacketNumber unacked4[] = {4, 6};
-  VerifyUnackedPackets(unacked4, arraysize(unacked4));
-  QuicPacketNumber pending4[] = {6};
-  VerifyInFlightPackets(pending4, arraysize(pending4));
-  QuicPacketNumber retransmittable4[] = {6};
-  VerifyRetransmittablePackets(retransmittable4, arraysize(retransmittable4));
-}
-
-TEST_F(QuicUnackedPacketMapTest, SendWithGap) {
-  // Simulate a retransmittable packet being sent, retransmitted, and the first
-  // transmission being acked.
-  SerializedPacket packet1(CreateRetransmittablePacket(1));
-  unacked_packets_.AddSentPacket(&packet1, 0, NOT_RETRANSMISSION, now_, true);
-  SerializedPacket packet3(CreateRetransmittablePacket(3));
-  unacked_packets_.AddSentPacket(&packet3, 0, NOT_RETRANSMISSION, now_, true);
-  SerializedPacket packet5(CreateNonRetransmittablePacket(5));
-  unacked_packets_.AddSentPacket(&packet5, 3, LOSS_RETRANSMISSION, now_, true);
-
-  EXPECT_EQ(1u, unacked_packets_.GetLeastUnacked());
-  EXPECT_TRUE(unacked_packets_.IsUnacked(1));
-  EXPECT_FALSE(unacked_packets_.IsUnacked(2));
-  EXPECT_TRUE(unacked_packets_.IsUnacked(3));
-  EXPECT_FALSE(unacked_packets_.IsUnacked(4));
-  EXPECT_TRUE(unacked_packets_.IsUnacked(5));
-  EXPECT_EQ(5u, unacked_packets_.largest_sent_packet());
-}
-
-}  // namespace
-}  // namespace test
-}  // namespace net