QUIC - (no behavior change) s/NULL/nullptr/g in .../quic/...

net/quic/congestion_control/time_loss_algorithm_test.cc

 // 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 <algorithm>
 
 #include "base/logging.h"
 #include "base/stl_util.h"
 #include "net/quic/congestion_control/rtt_stats.h"
 #include "net/quic/congestion_control/time_loss_algorithm.h"
 #include "net/quic/quic_unacked_packet_map.h"
 #include "net/quic/test_tools/mock_clock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace net {
 namespace test {
 
 class TimeLossAlgorithmTest : public ::testing::Test {
  protected:
   TimeLossAlgorithmTest()
       : unacked_packets_() {
     rtt_stats_.UpdateRtt(QuicTime::Delta::FromMilliseconds(100),
                          QuicTime::Delta::Zero(),
                          clock_.Now());
   }
 
   void SendDataPacket(QuicPacketSequenceNumber sequence_number) {
     SerializedPacket packet(sequence_number, PACKET_1BYTE_SEQUENCE_NUMBER,
-                            NULL, 0, new RetransmittableFrames());
+                            nullptr, 0, new RetransmittableFrames());
     unacked_packets_.AddPacket(packet);
     unacked_packets_.SetSent(sequence_number, clock_.Now(), 1000, true);
   }
 
   void VerifyLosses(QuicPacketSequenceNumber largest_observed,
                     QuicPacketSequenceNumber* losses_expected,
                     size_t num_losses) {
     SequenceNumberSet lost_packets =
         loss_algorithm_.DetectLostPackets(
             unacked_packets_, clock_.Now(), largest_observed, rtt_stats_);
@@ skipping 11 matching lines @@
 
 TEST_F(TimeLossAlgorithmTest, NoLossFor500Nacks) {
   const size_t kNumSentPackets = 5;
   // Transmit 5 packets.
   for (size_t i = 1; i <= kNumSentPackets; ++i) {
     SendDataPacket(i);
   }
   unacked_packets_.RemoveFromInFlight(2);
   for (size_t i = 1; i < 500; ++i) {
     unacked_packets_.NackPacket(1, i);
-    VerifyLosses(2, NULL, 0);
+    VerifyLosses(2, nullptr, 0);
   }
   EXPECT_EQ(rtt_stats_.SmoothedRtt().Multiply(1.25),
             loss_algorithm_.GetLossTimeout().Subtract(clock_.Now()));
 }
 
 TEST_F(TimeLossAlgorithmTest, NoLossUntilTimeout) {
   const size_t kNumSentPackets = 10;
   // Transmit 10 packets at 1/10th an RTT interval.
   for (size_t i = 1; i <= kNumSentPackets; ++i) {
     SendDataPacket(i);
     clock_.AdvanceTime(rtt_stats_.SmoothedRtt().Multiply(0.1));
   }
   // Expect the timer to not be set.
   EXPECT_EQ(QuicTime::Zero(), loss_algorithm_.GetLossTimeout());
   // The packet should not be lost until 1.25 RTTs pass.
   unacked_packets_.NackPacket(1, 1);
   unacked_packets_.RemoveFromInFlight(2);
-  VerifyLosses(2, NULL, 0);
+  VerifyLosses(2, nullptr, 0);
   // Expect the timer to be set to 0.25 RTT's in the future.
   EXPECT_EQ(rtt_stats_.SmoothedRtt().Multiply(0.25),
             loss_algorithm_.GetLossTimeout().Subtract(clock_.Now()));
   unacked_packets_.NackPacket(1, 5);
-  VerifyLosses(2, NULL, 0);
+  VerifyLosses(2, nullptr, 0);
   clock_.AdvanceTime(rtt_stats_.SmoothedRtt().Multiply(0.25));
   QuicPacketSequenceNumber lost[] = { 1 };
   VerifyLosses(2, lost, arraysize(lost));
   EXPECT_EQ(QuicTime::Zero(), loss_algorithm_.GetLossTimeout());
 }
 
 TEST_F(TimeLossAlgorithmTest, NoLossWithoutNack) {
   const size_t kNumSentPackets = 10;
   // Transmit 10 packets at 1/10th an RTT interval.
   for (size_t i = 1; i <= kNumSentPackets; ++i) {
     SendDataPacket(i);
     clock_.AdvanceTime(rtt_stats_.SmoothedRtt().Multiply(0.1));
   }
   // Expect the timer to not be set.
   EXPECT_EQ(QuicTime::Zero(), loss_algorithm_.GetLossTimeout());
   // The packet should not be lost without a nack.
   unacked_packets_.RemoveFromInFlight(1);
-  VerifyLosses(1, NULL, 0);
+  VerifyLosses(1, nullptr, 0);
   // The timer should still not be set.
   EXPECT_EQ(QuicTime::Zero(), loss_algorithm_.GetLossTimeout());
   clock_.AdvanceTime(rtt_stats_.SmoothedRtt().Multiply(0.25));
-  VerifyLosses(1, NULL, 0);
+  VerifyLosses(1, nullptr, 0);
   clock_.AdvanceTime(rtt_stats_.SmoothedRtt());
-  VerifyLosses(1, NULL, 0);
+  VerifyLosses(1, nullptr, 0);
 
   EXPECT_EQ(QuicTime::Zero(), loss_algorithm_.GetLossTimeout());
 }
 
 TEST_F(TimeLossAlgorithmTest, MultipleLossesAtOnce) {
   const size_t kNumSentPackets = 10;
   // Transmit 10 packets at once and then go forward an RTT.
   for (size_t i = 1; i <= kNumSentPackets; ++i) {
     SendDataPacket(i);
   }
   clock_.AdvanceTime(rtt_stats_.SmoothedRtt());
   // Expect the timer to not be set.
   EXPECT_EQ(QuicTime::Zero(), loss_algorithm_.GetLossTimeout());
   // The packet should not be lost until 1.25 RTTs pass.
   for (size_t i = 1; i < kNumSentPackets; ++i) {
     unacked_packets_.NackPacket(i, 1);
   }
   unacked_packets_.RemoveFromInFlight(10);
-  VerifyLosses(10, NULL, 0);
+  VerifyLosses(10, nullptr, 0);
   // Expect the timer to be set to 0.25 RTT's in the future.
   EXPECT_EQ(rtt_stats_.SmoothedRtt().Multiply(0.25),
             loss_algorithm_.GetLossTimeout().Subtract(clock_.Now()));
   clock_.AdvanceTime(rtt_stats_.SmoothedRtt().Multiply(0.25));
   QuicPacketSequenceNumber lost[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9 };
   VerifyLosses(10, lost, arraysize(lost));
   EXPECT_EQ(QuicTime::Zero(), loss_algorithm_.GetLossTimeout());
 }
 
 }  // namespace test
 }  // namespace net