Replace NULL with nullptr in all C++ files.

webrtc/p2p/base/relayserver_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 97 matching lines @@
   StunMessage* Receive2() {
     return Receive(client2_.get());
   }
   std::string ReceiveRaw1() {
     return ReceiveRaw(client1_.get());
   }
   std::string ReceiveRaw2() {
     return ReceiveRaw(client2_.get());
   }
   StunMessage* Receive(rtc::TestClient* client) {
-    StunMessage* msg = NULL;
+    StunMessage* msg = nullptr;
     rtc::TestClient::Packet* packet =
         client->NextPacket(rtc::TestClient::kTimeoutMs);
     if (packet) {
       rtc::ByteBufferWriter buf(packet->buf, packet->size);
       rtc::ByteBufferReader read_buf(buf);
       msg = new RelayMessage();
       msg->Read(&read_buf);
       delete packet;
     }
     return msg;
@@ skipping 64 matching lines @@
       res;
 
   Send1(req.get());
   res.reset(Receive1());
 
   ASSERT_TRUE(res);
   EXPECT_EQ(STUN_ALLOCATE_ERROR_RESPONSE, res->type());
   EXPECT_EQ(req->transaction_id(), res->transaction_id());
 
   const StunErrorCodeAttribute* err = res->GetErrorCode();
-  ASSERT_TRUE(err != NULL);
+  ASSERT_TRUE(err != nullptr);
   EXPECT_EQ(4, err->eclass());
   EXPECT_EQ(32, err->number());
   EXPECT_EQ("Missing Username", err->reason());
 }
 
 // Send a binding request and verify that it is rejected.
 TEST_F(RelayServerTest, TestBindingRequest) {
   std::unique_ptr<StunMessage> req(CreateStunMessage(STUN_BINDING_REQUEST)),
       res;
   AddUsernameAttr(req.get(), username_);
 
   Send1(req.get());
   res.reset(Receive1());
 
   ASSERT_TRUE(res);
   EXPECT_EQ(STUN_BINDING_ERROR_RESPONSE, res->type());
   EXPECT_EQ(req->transaction_id(), res->transaction_id());
 
   const StunErrorCodeAttribute* err = res->GetErrorCode();
-  ASSERT_TRUE(err != NULL);
+  ASSERT_TRUE(err != nullptr);
   EXPECT_EQ(6, err->eclass());
   EXPECT_EQ(0, err->number());
   EXPECT_EQ("Operation Not Supported", err->reason());
 }
 
 // Send an allocate request and verify that it is accepted.
 TEST_F(RelayServerTest, TestAllocate) {
   std::unique_ptr<StunMessage> req(CreateStunMessage(STUN_ALLOCATE_REQUEST)),
       res;
   AddUsernameAttr(req.get(), username_);
   AddLifetimeAttr(req.get(), LIFETIME);
 
   Send1(req.get());
   res.reset(Receive1());
 
   ASSERT_TRUE(res);
   EXPECT_EQ(STUN_ALLOCATE_RESPONSE, res->type());
   EXPECT_EQ(req->transaction_id(), res->transaction_id());
 
   const StunAddressAttribute* mapped_addr =
       res->GetAddress(STUN_ATTR_MAPPED_ADDRESS);
-  ASSERT_TRUE(mapped_addr != NULL);
+  ASSERT_TRUE(mapped_addr != nullptr);
   EXPECT_EQ(1, mapped_addr->family());
   EXPECT_EQ(server_ext_addr.port(), mapped_addr->port());
   EXPECT_EQ(server_ext_addr.ipaddr(), mapped_addr->ipaddr());
 
   const StunUInt32Attribute* res_lifetime_attr =
       res->GetUInt32(STUN_ATTR_LIFETIME);
-  ASSERT_TRUE(res_lifetime_attr != NULL);
+  ASSERT_TRUE(res_lifetime_attr != nullptr);
   EXPECT_EQ(LIFETIME, res_lifetime_attr->value());
 }
 
 // Send a second allocate request and verify that it is also accepted, though
 // the lifetime should be ignored.
 TEST_F(RelayServerTest, TestReallocate) {
   Allocate();
 
   std::unique_ptr<StunMessage> req(CreateStunMessage(STUN_ALLOCATE_REQUEST)),
       res;
   AddMagicCookieAttr(req.get());
   AddUsernameAttr(req.get(), username_);
 
   Send1(req.get());
   res.reset(Receive1());
 
   ASSERT_TRUE(res);
   EXPECT_EQ(STUN_ALLOCATE_RESPONSE, res->type());
   EXPECT_EQ(req->transaction_id(), res->transaction_id());
 
   const StunAddressAttribute* mapped_addr =
       res->GetAddress(STUN_ATTR_MAPPED_ADDRESS);
-  ASSERT_TRUE(mapped_addr != NULL);
+  ASSERT_TRUE(mapped_addr != nullptr);
   EXPECT_EQ(1, mapped_addr->family());
   EXPECT_EQ(server_ext_addr.port(), mapped_addr->port());
   EXPECT_EQ(server_ext_addr.ipaddr(), mapped_addr->ipaddr());
 
   const StunUInt32Attribute* lifetime_attr =
       res->GetUInt32(STUN_ATTR_LIFETIME);
-  ASSERT_TRUE(lifetime_attr != NULL);
+  ASSERT_TRUE(lifetime_attr != nullptr);
   EXPECT_EQ(LIFETIME, lifetime_attr->value());
 }
 
 // Send a request from another client and see that it arrives at the first
 // client in the binding.
 TEST_F(RelayServerTest, TestRemoteBind) {
   Allocate();
 
   std::unique_ptr<StunMessage> req(CreateStunMessage(STUN_BINDING_REQUEST)),
       res;
   AddUsernameAttr(req.get(), username_);
 
   Send2(req.get());
   res.reset(Receive1());
 
   ASSERT_TRUE(res);
   EXPECT_EQ(STUN_DATA_INDICATION, res->type());
 
   const StunByteStringAttribute* recv_data =
       res->GetByteString(STUN_ATTR_DATA);
-  ASSERT_TRUE(recv_data != NULL);
+  ASSERT_TRUE(recv_data != nullptr);
 
   rtc::ByteBufferReader buf(recv_data->bytes(), recv_data->length());
   std::unique_ptr<StunMessage> res2(new StunMessage());
   EXPECT_TRUE(res2->Read(&buf));
   EXPECT_EQ(STUN_BINDING_REQUEST, res2->type());
   EXPECT_EQ(req->transaction_id(), res2->transaction_id());
 
   const StunAddressAttribute* src_addr =
       res->GetAddress(STUN_ATTR_SOURCE_ADDRESS2);
-  ASSERT_TRUE(src_addr != NULL);
+  ASSERT_TRUE(src_addr != nullptr);
   EXPECT_EQ(1, src_addr->family());
   EXPECT_EQ(client2_addr.ipaddr(), src_addr->ipaddr());
   EXPECT_EQ(client2_addr.port(), src_addr->port());
 
   EXPECT_TRUE(Receive2Fails());
 }
 
 // Send a complete nonsense message to the established connection and verify
 // that it is dropped by the server.
 TEST_F(RelayServerTest, TestRemoteBadRequest) {
@@ skipping 14 matching lines @@
   AddMagicCookieAttr(req.get());
 
   Send1(req.get());
   res.reset(Receive1());
 
   ASSERT_TRUE(res);
   EXPECT_EQ(STUN_SEND_ERROR_RESPONSE, res->type());
   EXPECT_EQ(req->transaction_id(), res->transaction_id());
 
   const StunErrorCodeAttribute* err = res->GetErrorCode();
-  ASSERT_TRUE(err != NULL);
+  ASSERT_TRUE(err != nullptr);
   EXPECT_EQ(4, err->eclass());
   EXPECT_EQ(32, err->number());
   EXPECT_EQ("Missing Username", err->reason());
 }
 
 // Send a send request with the wrong username and verify it is rejected.
 TEST_F(RelayServerTest, TestSendRequestBadUsername) {
   Allocate();
   Bind();
 
   std::unique_ptr<StunMessage> req(CreateStunMessage(STUN_SEND_REQUEST)), res;
   AddMagicCookieAttr(req.get());
   AddUsernameAttr(req.get(), "foobarbizbaz");
 
   Send1(req.get());
   res.reset(Receive1());
 
   ASSERT_TRUE(res);
   EXPECT_EQ(STUN_SEND_ERROR_RESPONSE, res->type());
   EXPECT_EQ(req->transaction_id(), res->transaction_id());
 
   const StunErrorCodeAttribute* err = res->GetErrorCode();
-  ASSERT_TRUE(err != NULL);
+  ASSERT_TRUE(err != nullptr);
   EXPECT_EQ(4, err->eclass());
   EXPECT_EQ(30, err->number());
   EXPECT_EQ("Stale Credentials", err->reason());
 }
 
 // Send a send request without a destination address and verify that it is
 // rejected.
 TEST_F(RelayServerTest, TestSendRequestNoDestinationAddress) {
   Allocate();
   Bind();
 
   std::unique_ptr<StunMessage> req(CreateStunMessage(STUN_SEND_REQUEST)), res;
   AddMagicCookieAttr(req.get());
   AddUsernameAttr(req.get(), username_);
 
   Send1(req.get());
   res.reset(Receive1());
 
   ASSERT_TRUE(res);
   EXPECT_EQ(STUN_SEND_ERROR_RESPONSE, res->type());
   EXPECT_EQ(req->transaction_id(), res->transaction_id());
 
   const StunErrorCodeAttribute* err = res->GetErrorCode();
-  ASSERT_TRUE(err != NULL);
+  ASSERT_TRUE(err != nullptr);
   EXPECT_EQ(4, err->eclass());
   EXPECT_EQ(0, err->number());
   EXPECT_EQ("Bad Request", err->reason());
 }
 
 // Send a send request without data and verify that it is rejected.
 TEST_F(RelayServerTest, TestSendRequestNoData) {
   Allocate();
   Bind();
 
   std::unique_ptr<StunMessage> req(CreateStunMessage(STUN_SEND_REQUEST)), res;
   AddMagicCookieAttr(req.get());
   AddUsernameAttr(req.get(), username_);
   AddDestinationAttr(req.get(), client2_addr);
 
   Send1(req.get());
   res.reset(Receive1());
 
   ASSERT_TRUE(res);
   EXPECT_EQ(STUN_SEND_ERROR_RESPONSE, res->type());
   EXPECT_EQ(req->transaction_id(), res->transaction_id());
 
   const StunErrorCodeAttribute* err = res->GetErrorCode();
-  ASSERT_TRUE(err != NULL);
+  ASSERT_TRUE(err != nullptr);
   EXPECT_EQ(4, err->eclass());
   EXPECT_EQ(00, err->number());
   EXPECT_EQ("Bad Request", err->reason());
 }
 
 // Send a binding request after an allocate and verify that it is rejected.
 TEST_F(RelayServerTest, TestSendRequestWrongType) {
   Allocate();
   Bind();
 
   std::unique_ptr<StunMessage> req(CreateStunMessage(STUN_BINDING_REQUEST)),
       res;
   AddMagicCookieAttr(req.get());
   AddUsernameAttr(req.get(), username_);
 
   Send1(req.get());
   res.reset(Receive1());
 
   ASSERT_TRUE(res);
   EXPECT_EQ(STUN_BINDING_ERROR_RESPONSE, res->type());
   EXPECT_EQ(req->transaction_id(), res->transaction_id());
 
   const StunErrorCodeAttribute* err = res->GetErrorCode();
-  ASSERT_TRUE(err != NULL);
+  ASSERT_TRUE(err != nullptr);
   EXPECT_EQ(6, err->eclass());
   EXPECT_EQ(0, err->number());
   EXPECT_EQ("Operation Not Supported", err->reason());
 }
 
 // Verify that we can send traffic back and forth between the clients after a
 // successful allocate and bind.
 TEST_F(RelayServerTest, TestSendRaw) {
   Allocate();
   Bind();
@@ skipping 12 matching lines @@
     Send1(req.get());
     EXPECT_EQ(msg1, ReceiveRaw2());
     SendRaw2(msg2, static_cast<int>(strlen(msg2)));
     res.reset(Receive1());
 
     ASSERT_TRUE(res);
     EXPECT_EQ(STUN_DATA_INDICATION, res->type());
 
     const StunAddressAttribute* src_addr =
         res->GetAddress(STUN_ATTR_SOURCE_ADDRESS2);
-    ASSERT_TRUE(src_addr != NULL);
+    ASSERT_TRUE(src_addr != nullptr);
     EXPECT_EQ(1, src_addr->family());
     EXPECT_EQ(client2_addr.ipaddr(), src_addr->ipaddr());
     EXPECT_EQ(client2_addr.port(), src_addr->port());
 
     const StunByteStringAttribute* recv_data =
         res->GetByteString(STUN_ATTR_DATA);
-    ASSERT_TRUE(recv_data != NULL);
+    ASSERT_TRUE(recv_data != nullptr);
     EXPECT_EQ(strlen(msg2), recv_data->length());
     EXPECT_EQ(0, memcmp(msg2, recv_data->bytes(), recv_data->length()));
   }
 }
 
 // Verify that a binding expires properly, and rejects send requests.
 // Flaky, see https://code.google.com/p/webrtc/issues/detail?id=4134
 TEST_F(RelayServerTest, DISABLED_TestExpiration) {
   Allocate();
   Bind();
 
   // Wait twice the lifetime to make sure the server has expired the binding.
   rtc::Thread::Current()->ProcessMessages((LIFETIME * 2) * 1000);
 
   std::unique_ptr<StunMessage> req(CreateStunMessage(STUN_SEND_REQUEST)), res;
   AddMagicCookieAttr(req.get());
   AddUsernameAttr(req.get(), username_);
   AddDestinationAttr(req.get(), client2_addr);
 
   StunByteStringAttribute* data_attr =
       StunAttribute::CreateByteString(STUN_ATTR_DATA);
   data_attr->CopyBytes(msg1);
   req->AddAttribute(data_attr);
 
   Send1(req.get());
   res.reset(Receive1());
 
-  ASSERT_TRUE(res.get() != NULL);
+  ASSERT_TRUE(res.get() != nullptr);
   EXPECT_EQ(STUN_SEND_ERROR_RESPONSE, res->type());
 
   const StunErrorCodeAttribute* err = res->GetErrorCode();
-  ASSERT_TRUE(err != NULL);
+  ASSERT_TRUE(err != nullptr);
   EXPECT_EQ(6, err->eclass());
   EXPECT_EQ(0, err->number());
   EXPECT_EQ("Operation Not Supported", err->reason());
 
   // Also verify that traffic from the external client is ignored.
   SendRaw2(msg2, static_cast<int>(strlen(msg2)));
   EXPECT_TRUE(ReceiveRaw1().empty());
 }