Replace NULL with nullptr in all C++ files.

webrtc/modules/audio_coding/neteq/decoder_database_unittest.cc

 /*
  *  Copyright (c) 2012 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 61 matching lines @@
         dec->reset(decoder);
       }));
   DecoderDatabase db(factory);
   const uint8_t kPayloadType = 0;
   const std::string kCodecName = "Robert\'); DROP TABLE Students;";
   EXPECT_EQ(
       DecoderDatabase::kOK,
       db.RegisterPayload(kPayloadType, NetEqDecoder::kDecoderPCMu, kCodecName));
   const DecoderDatabase::DecoderInfo* info;
   info = db.GetDecoderInfo(kPayloadType);
-  ASSERT_TRUE(info != NULL);
+  ASSERT_TRUE(info != nullptr);
   EXPECT_TRUE(info->IsType("pcmu"));
   EXPECT_EQ(kCodecName, info->get_name());
   EXPECT_EQ(decoder, db.GetDecoder(kPayloadType));
   info = db.GetDecoderInfo(kPayloadType + 1);  // Other payload type.
-  EXPECT_TRUE(info == NULL);  // Should not be found.
+  EXPECT_TRUE(info == nullptr);                // Should not be found.
 }
 
 TEST(DecoderDatabase, GetDecoder) {
   DecoderDatabase db(CreateBuiltinAudioDecoderFactory());
   const uint8_t kPayloadType = 0;
   const std::string kCodecName = "Robert\'); DROP TABLE Students;";
   EXPECT_EQ(DecoderDatabase::kOK,
             db.RegisterPayload(kPayloadType, NetEqDecoder::kDecoderPCM16B,
                                kCodecName));
   AudioDecoder* dec = db.GetDecoder(kPayloadType);
-  ASSERT_TRUE(dec != NULL);
+  ASSERT_TRUE(dec != nullptr);
 }
 
 TEST(DecoderDatabase, TypeTests) {
   DecoderDatabase db(new rtc::RefCountedObject<MockAudioDecoderFactory>);
   const uint8_t kPayloadTypePcmU = 0;
   const uint8_t kPayloadTypeCng = 13;
   const uint8_t kPayloadTypeDtmf = 100;
   const uint8_t kPayloadTypeRed = 101;
   const uint8_t kPayloadNotUsed = 102;
   // Load into database.
@@ skipping 32 matching lines @@
   // Load into database.
   EXPECT_EQ(DecoderDatabase::kOK,
             db.InsertExternal(kPayloadType, NetEqDecoder::kDecoderPCMu,
                               kCodecName, &decoder));
   EXPECT_EQ(1, db.Size());
   // Get decoder and make sure we get the external one.
   EXPECT_EQ(&decoder, db.GetDecoder(kPayloadType));
   // Get the decoder info struct and check it too.
   const DecoderDatabase::DecoderInfo* info;
   info = db.GetDecoderInfo(kPayloadType);
-  ASSERT_TRUE(info != NULL);
+  ASSERT_TRUE(info != nullptr);
   EXPECT_TRUE(info->IsType("pcmu"));
   EXPECT_EQ(info->get_name(), kCodecName);
   EXPECT_EQ(kCodecName, info->get_name());
   // Expect not to delete the decoder when removing it from the database, since
   // it was declared externally.
   EXPECT_CALL(decoder, Die()).Times(0);
   EXPECT_EQ(DecoderDatabase::kOK, db.Remove(kPayloadType));
   EXPECT_TRUE(db.Empty());
 
   EXPECT_CALL(decoder, Die()).Times(1);  // Will be called when |db| is deleted.
@@ skipping 43 matching lines @@
 TEST(DecoderDatabase, IF_ISAC(ActiveDecoders)) {
   DecoderDatabase db(CreateBuiltinAudioDecoderFactory());
   // Load payload types.
   ASSERT_EQ(DecoderDatabase::kOK,
             db.RegisterPayload(0, NetEqDecoder::kDecoderPCMu, "pcmu"));
   ASSERT_EQ(DecoderDatabase::kOK,
             db.RegisterPayload(103, NetEqDecoder::kDecoderISAC, "isac"));
   ASSERT_EQ(DecoderDatabase::kOK,
             db.RegisterPayload(13, NetEqDecoder::kDecoderCNGnb, "cng-nb"));
   // Verify that no decoders are active from the start.
-  EXPECT_EQ(NULL, db.GetActiveDecoder());
-  EXPECT_EQ(NULL, db.GetActiveCngDecoder());
+  EXPECT_EQ(nullptr, db.GetActiveDecoder());
+  EXPECT_EQ(nullptr, db.GetActiveCngDecoder());
 
   // Set active speech codec.
   bool changed;  // Should be true when the active decoder changed.
   EXPECT_EQ(DecoderDatabase::kOK, db.SetActiveDecoder(0, &changed));
   EXPECT_TRUE(changed);
   AudioDecoder* decoder = db.GetActiveDecoder();
-  ASSERT_FALSE(decoder == NULL);  // Should get a decoder here.
+  ASSERT_FALSE(decoder == nullptr);  // Should get a decoder here.
 
   // Set the same again. Expect no change.
   EXPECT_EQ(DecoderDatabase::kOK, db.SetActiveDecoder(0, &changed));
   EXPECT_FALSE(changed);
   decoder = db.GetActiveDecoder();
-  ASSERT_FALSE(decoder == NULL);  // Should get a decoder here.
+  ASSERT_FALSE(decoder == nullptr);  // Should get a decoder here.
 
   // Change active decoder.
   EXPECT_EQ(DecoderDatabase::kOK, db.SetActiveDecoder(103, &changed));
   EXPECT_TRUE(changed);
   decoder = db.GetActiveDecoder();
-  ASSERT_FALSE(decoder == NULL);  // Should get a decoder here.
+  ASSERT_FALSE(decoder == nullptr);  // Should get a decoder here.
 
-  // Remove the active decoder, and verify that the active becomes NULL.
+  // Remove the active decoder, and verify that the active becomes null.
   EXPECT_EQ(DecoderDatabase::kOK, db.Remove(103));
-  EXPECT_EQ(NULL, db.GetActiveDecoder());
+  EXPECT_EQ(nullptr, db.GetActiveDecoder());
 
   // Set active CNG codec.
   EXPECT_EQ(DecoderDatabase::kOK, db.SetActiveCngDecoder(13));
   ComfortNoiseDecoder* cng = db.GetActiveCngDecoder();
-  ASSERT_FALSE(cng == NULL);  // Should get a decoder here.
+  ASSERT_FALSE(cng == nullptr);  // Should get a decoder here.
 
-  // Remove the active CNG decoder, and verify that the active becomes NULL.
+  // Remove the active CNG decoder, and verify that the active becomes null.
   EXPECT_EQ(DecoderDatabase::kOK, db.Remove(13));
-  EXPECT_EQ(NULL, db.GetActiveCngDecoder());
+  EXPECT_EQ(nullptr, db.GetActiveCngDecoder());
 
   // Try to set non-existing codecs as active.
   EXPECT_EQ(DecoderDatabase::kDecoderNotFound,
             db.SetActiveDecoder(17, &changed));
   EXPECT_EQ(DecoderDatabase::kDecoderNotFound,
             db.SetActiveCngDecoder(17));
 }
 }  // namespace webrtc