Replace NULL with nullptr or null in webrtc/base/.

webrtc/base/logging_unittest.cc

 /*
  *  Copyright 2004 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 19 matching lines @@
  private:
   void OnLogMessage(const std::string& message) override {
     static_cast<Base*>(this)->WriteAll(
         message.data(), message.size(), nullptr, nullptr);
   }
 };
 
 // Test basic logging operation. We should get the INFO log but not the VERBOSE.
 // We should restore the correct global state at the end.
 TEST(LogTest, SingleStream) {
-  int sev = LogMessage::GetLogToStream(NULL);
+  int sev = LogMessage::GetLogToStream(nullptr);
 
   std::string str;
   LogSinkImpl<StringStream> stream(&str);
   LogMessage::AddLogToStream(&stream, LS_INFO);
   EXPECT_EQ(LS_INFO, LogMessage::GetLogToStream(&stream));
 
   LOG(LS_INFO) << "INFO";
   LOG(LS_VERBOSE) << "VERBOSE";
   EXPECT_NE(std::string::npos, str.find("INFO"));
   EXPECT_EQ(std::string::npos, str.find("VERBOSE"));
 
   LogMessage::RemoveLogToStream(&stream);
   EXPECT_EQ(LS_NONE, LogMessage::GetLogToStream(&stream));
 
-  EXPECT_EQ(sev, LogMessage::GetLogToStream(NULL));
+  EXPECT_EQ(sev, LogMessage::GetLogToStream(nullptr));
 }
 
 // Test using multiple log streams. The INFO stream should get the INFO message,
 // the VERBOSE stream should get the INFO and the VERBOSE.
 // We should restore the correct global state at the end.
 TEST(LogTest, MultipleStreams) {
-  int sev = LogMessage::GetLogToStream(NULL);
+  int sev = LogMessage::GetLogToStream(nullptr);
 
   std::string str1, str2;
   LogSinkImpl<StringStream> stream1(&str1), stream2(&str2);
   LogMessage::AddLogToStream(&stream1, LS_INFO);
   LogMessage::AddLogToStream(&stream2, LS_VERBOSE);
   EXPECT_EQ(LS_INFO, LogMessage::GetLogToStream(&stream1));
   EXPECT_EQ(LS_VERBOSE, LogMessage::GetLogToStream(&stream2));
 
   LOG(LS_INFO) << "INFO";
   LOG(LS_VERBOSE) << "VERBOSE";
 
   EXPECT_NE(std::string::npos, str1.find("INFO"));
   EXPECT_EQ(std::string::npos, str1.find("VERBOSE"));
   EXPECT_NE(std::string::npos, str2.find("INFO"));
   EXPECT_NE(std::string::npos, str2.find("VERBOSE"));
 
   LogMessage::RemoveLogToStream(&stream2);
   LogMessage::RemoveLogToStream(&stream1);
   EXPECT_EQ(LS_NONE, LogMessage::GetLogToStream(&stream2));
   EXPECT_EQ(LS_NONE, LogMessage::GetLogToStream(&stream1));
 
-  EXPECT_EQ(sev, LogMessage::GetLogToStream(NULL));
+  EXPECT_EQ(sev, LogMessage::GetLogToStream(nullptr));
 }
 
 // Ensure we don't crash when adding/removing streams while threads are going.
 // We should restore the correct global state at the end.
 class LogThread : public Thread {
  public:
   ~LogThread() override {
     Stop();
   }
 
  private:
   void Run() override {
     // LS_SENSITIVE to avoid cluttering up any real logging going on
     LOG(LS_SENSITIVE) << "LOG";
   }
 };
 
 TEST(LogTest, MultipleThreads) {
-  int sev = LogMessage::GetLogToStream(NULL);
+  int sev = LogMessage::GetLogToStream(nullptr);
 
   LogThread thread1, thread2, thread3;
   thread1.Start();
   thread2.Start();
   thread3.Start();
 
   LogSinkImpl<NullStream> stream1, stream2, stream3;
   for (int i = 0; i < 1000; ++i) {
     LogMessage::AddLogToStream(&stream1, LS_INFO);
     LogMessage::AddLogToStream(&stream2, LS_VERBOSE);
     LogMessage::AddLogToStream(&stream3, LS_SENSITIVE);
     LogMessage::RemoveLogToStream(&stream1);
     LogMessage::RemoveLogToStream(&stream2);
     LogMessage::RemoveLogToStream(&stream3);
   }
 
-  EXPECT_EQ(sev, LogMessage::GetLogToStream(NULL));
+  EXPECT_EQ(sev, LogMessage::GetLogToStream(nullptr));
 }
 
 
 TEST(LogTest, WallClockStartTime) {
   uint32_t time = LogMessage::WallClockStartTime();
   // Expect the time to be in a sensible range, e.g. > 2012-01-01.
   EXPECT_GT(time, 1325376000u);
 }
 
 // Test the time required to write 1000 80-character logs to an unbuffered file.
 #if defined (WEBRTC_ANDROID)
 // Fails on Android: https://bugs.chromium.org/p/webrtc/issues/detail?id=4364.
 #define MAYBE_Perf DISABLED_Perf
 #else
 #define MAYBE_Perf Perf
 #endif
 
 TEST(LogTest, MAYBE_Perf) {
   Pathname path;
-  EXPECT_TRUE(Filesystem::GetTemporaryFolder(path, true, NULL));
+  EXPECT_TRUE(Filesystem::GetTemporaryFolder(path, true, nullptr));
   path.SetPathname(Filesystem::TempFilename(path, "ut"));
 
   LogSinkImpl<FileStream> stream;
-  EXPECT_TRUE(stream.Open(path.pathname(), "wb", NULL));
+  EXPECT_TRUE(stream.Open(path.pathname(), "wb", nullptr));
   stream.DisableBuffering();
   LogMessage::AddLogToStream(&stream, LS_SENSITIVE);
 
   int64_t start = TimeMillis(), finish;
   std::string message('X', 80);
   for (int i = 0; i < 1000; ++i) {
     LOG(LS_SENSITIVE) << message;
   }
   finish = TimeMillis();
 
   LogMessage::RemoveLogToStream(&stream);
   stream.Close();
   Filesystem::DeleteFile(path);
 
   LOG(LS_INFO) << "Average log time: " << TimeDiff(finish, start) << " ms";
 }
 
 }  // namespace rtc