Use PathService to get temp dir name for IPC unittests.

ipc/ipc_channel_posix_unittest.cc

 // Copyright (c) 2012 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.
 
 // These tests are POSIX only.
 
 #include "ipc/ipc_channel_posix.h"
 
 #include <fcntl.h>
 #include <sys/socket.h>
@@ skipping 99 matching lines @@
 
  protected:
   void SetUp() override;
   void TearDown() override;
 
  private:
   scoped_ptr<base::MessageLoopForIO> message_loop_;
 };
 
 const std::string IPCChannelPosixTest::GetChannelDirName() {
-#if defined(OS_ANDROID)
   base::FilePath tmp_dir;
-  PathService::Get(base::DIR_CACHE, &tmp_dir);
+  PathService::Get(base::DIR_TEMP, &tmp_dir);
   return tmp_dir.value();
-#else
-  return "/var/tmp";
-#endif
 }
 
 const std::string IPCChannelPosixTest::GetConnectionSocketName() {
   return GetChannelDirName() + "/chrome_IPCChannelPosixTest__ConnectionSocket";
 }
 
 void IPCChannelPosixTest::SetUp() {
   MultiProcessTest::SetUp();
   // Construct a fresh IO Message loop for the duration of each test.
   message_loop_.reset(new base::MessageLoopForIO());
@@ skipping 67 matching lines @@
   IPC::ChannelHandle handle(kChannelName);
   SetUpSocket(&handle, IPC::Channel::MODE_NAMED_SERVER);
   unlink(handle.name.c_str());
   scoped_ptr<IPC::ChannelPosix> channel(
       new IPC::ChannelPosix(handle, IPC::Channel::MODE_NAMED_SERVER, NULL));
   ASSERT_TRUE(channel->Connect());
   ASSERT_TRUE(channel->AcceptsConnections());
   ASSERT_FALSE(channel->HasAcceptedConnection());
   channel->ResetToAcceptingConnectionState();
   ASSERT_FALSE(channel->HasAcceptedConnection());
+  unlink(handle.name.c_str());
 }
 
 TEST_F(IPCChannelPosixTest, BasicConnected) {
   // Test creating a socket that is connected.
   int pipe_fds[2];
   ASSERT_EQ(0, socketpair(AF_UNIX, SOCK_STREAM, 0, pipe_fds));
   std::string socket_name("/var/tmp/IPCChannelPosixTest_BasicConnected");
   ASSERT_GE(fcntl(pipe_fds[0], F_SETFL, O_NONBLOCK), 0);
 
   base::FileDescriptor fd(pipe_fds[0], false);
@@ skipping 77 matching lines @@
   IPC::Message* message = new IPC::Message(0,  // routing_id
                                            kQuitMessage,  // message type
                                            IPC::Message::PRIORITY_NORMAL);
   channel->Send(message);
   SpinRunLoop(TestTimeouts::action_timeout());
   int exit_code = 0;
   EXPECT_TRUE(process.WaitForExit(&exit_code));
   EXPECT_EQ(0, exit_code);
   ASSERT_EQ(IPCChannelPosixTestListener::CHANNEL_ERROR, listener.status());
   ASSERT_FALSE(channel->HasAcceptedConnection());
+  unlink(chan_handle.name.c_str());
 }
 
 TEST_F(IPCChannelPosixTest, ResetState) {
   // Test creating a connection to an external process. Close the connection,
   // but continue to listen and make sure another external process can connect
   // to us.
   IPCChannelPosixTestListener listener(false);
   IPC::ChannelHandle chan_handle(GetConnectionSocketName());
   SetUpSocket(&chan_handle, IPC::Channel::MODE_NAMED_SERVER);
   scoped_ptr<IPC::ChannelPosix> channel(new IPC::ChannelPosix(
@@ skipping 19 matching lines @@
                                            kQuitMessage,  // message type
                                            IPC::Message::PRIORITY_NORMAL);
   channel->Send(message);
   SpinRunLoop(TestTimeouts::action_timeout());
   EXPECT_TRUE(base::KillProcess(process.Handle(), 0, false));
   int exit_code = 0;
   EXPECT_TRUE(process2.WaitForExit(&exit_code));
   EXPECT_EQ(0, exit_code);
   ASSERT_EQ(IPCChannelPosixTestListener::CHANNEL_ERROR, listener.status());
   ASSERT_FALSE(channel->HasAcceptedConnection());
+  unlink(chan_handle.name.c_str());
 }
 
 TEST_F(IPCChannelPosixTest, BadChannelName) {
   // Test empty name
   IPC::ChannelHandle handle("");
   scoped_ptr<IPC::ChannelPosix> channel(new IPC::ChannelPosix(
       handle, IPC::Channel::MODE_NAMED_SERVER, NULL));
   ASSERT_FALSE(channel->Connect());
 
   // Test name that is too long.
@@ skipping 38 matching lines @@
   ASSERT_TRUE(channel->HasAcceptedConnection());
   IPC::Message* message = new IPC::Message(0,  // routing_id
                                            kQuitMessage,  // message type
                                            IPC::Message::PRIORITY_NORMAL);
   channel->Send(message);
   SpinRunLoop(TestTimeouts::action_timeout());
   EXPECT_TRUE(process.WaitForExit(&exit_code));
   EXPECT_EQ(exit_code, 0);
   ASSERT_EQ(IPCChannelPosixTestListener::CHANNEL_ERROR, listener.status());
   ASSERT_FALSE(channel->HasAcceptedConnection());
+  unlink(chan_handle.name.c_str());
 }
 
 TEST_F(IPCChannelPosixTest, DoubleServer) {
   // Test setting up two servers with the same name.
   IPCChannelPosixTestListener listener(false);
   IPCChannelPosixTestListener listener2(false);
   IPC::ChannelHandle chan_handle(GetConnectionSocketName());
   scoped_ptr<IPC::ChannelPosix> channel(new IPC::ChannelPosix(
       chan_handle, IPC::Channel::MODE_SERVER, &listener));
   scoped_ptr<IPC::ChannelPosix> channel2(new IPC::ChannelPosix(
@@ skipping 18 matching lines @@
   ASSERT_TRUE(base::DeleteFile(base::FilePath(connection_socket_name), false));
   ASSERT_FALSE(IPC::Channel::IsNamedServerInitialized(
       connection_socket_name));
   scoped_ptr<IPC::ChannelPosix> channel(new IPC::ChannelPosix(
       chan_handle, IPC::Channel::MODE_NAMED_SERVER, &listener));
   ASSERT_TRUE(IPC::Channel::IsNamedServerInitialized(
       connection_socket_name));
   channel->Close();
   ASSERT_FALSE(IPC::Channel::IsNamedServerInitialized(
       connection_socket_name));
+  unlink(chan_handle.name.c_str());
 }
 
 // A long running process that connects to us
 MULTIPROCESS_TEST_MAIN(IPCChannelPosixTestConnectionProc) {
   base::MessageLoopForIO message_loop;
   IPCChannelPosixTestListener listener(true);
   IPC::ChannelHandle handle(IPCChannelPosixTest::GetConnectionSocketName());
   IPCChannelPosixTest::SetUpSocket(&handle, IPC::Channel::MODE_NAMED_CLIENT);
   scoped_ptr<IPC::ChannelPosix> channel(new IPC::ChannelPosix(
       handle, IPC::Channel::MODE_NAMED_CLIENT, &listener));
@@ skipping 21 matching lines @@
   if (connected) {
     IPCChannelPosixTest::SpinRunLoop(TestTimeouts::action_max_timeout());
     EXPECT_EQ(IPCChannelPosixTestListener::CHANNEL_ERROR, listener.status());
   } else {
     EXPECT_EQ(IPCChannelPosixTestListener::DISCONNECTED, listener.status());
   }
   return 0;
 }
 
 }  // namespace