Use ChannelMojo for remote security key channels.

remoting/host/security_key/security_key_auth_handler_win_unittest.cc

 // Copyright 2016 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 "remoting/host/security_key/security_key_auth_handler.h"
 
 #include <cstdint>
 #include <memory>
 #include <string>
 
 #include "base/bind.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "ipc/ipc_channel.h"
 #include "ipc/ipc_listener.h"
 #include "ipc/ipc_message.h"
 #include "ipc/ipc_message_macros.h"
+#include "mojo/edk/test/scoped_ipc_support.h"
 #include "remoting/host/host_mock_objects.h"
 #include "remoting/host/security_key/fake_security_key_ipc_client.h"
 #include "remoting/host/security_key/fake_security_key_ipc_server.h"
 #include "remoting/host/security_key/security_key_ipc_constants.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace {
 const int kConnectionId1 = 1;
 const int kConnectionId2 = 2;
@@ skipping 12 matching lines @@
 
  protected:
   // Waits until the current |run_loop_| instance is signaled, then resets it.
   void WaitForOperationComplete();
 
   // Used as a callback given to the object under test, expected to be called
   // back when a security key request is received by it.
   void SendMessageToClient(int connection_id, const std::string& data);
 
   // Creates a new security key connection on the object under test.
-  void CreateSecurityKeyConnection(const std::string& channel_name);
+  void CreateSecurityKeyConnection(
+      const mojo::edk::NamedPlatformHandle& channel_handle);
 
-  // Sets |desktop_session_id_| to the id for the current Windows session.
-  void InitializeDesktopSessionId();
-
-  // Uses |fake_ipc_client| to connect to the initial IPC server channel, it
-  // then validates internal state of the object under test and closes the
-  // connection based on |close_connection|.
-  void EstablishInitialIpcConnection(FakeSecurityKeyIpcClient* fake_ipc_client,
-                                     int expected_connection_id,
-                                     const std::string& channel_name,
-                                     bool close_connection);
+  // Uses |fake_ipc_client| to connect to the IPC server channel, it then
+  // validates internal state of the object under test and closes the connection
+  // based on |close_connection|.
+  void EstablishIpcConnection(
+      FakeSecurityKeyIpcClient* fake_ipc_client,
+      int expected_connection_id,
+      const mojo::edk::NamedPlatformHandle& channel_handle,
+      bool close_connection);
 
   // Sends a security key response message using |fake_ipc_server| and
   // validates the state of the object under test.
   void SendRequestToSecurityKeyAuthHandler(
       const base::WeakPtr<FakeSecurityKeyIpcServer>& fake_ipc_server,
       int connection_id,
       const std::string& request_payload);
 
   // Sends a security key response message to |fake_ipc_server| and validates
   // the state of the object under test.
   void SendResponseViaSecurityKeyAuthHandler(
       const base::WeakPtr<FakeSecurityKeyIpcServer>& fake_ipc_server,
       int connection_id,
       const std::string& response_payload);
 
   // Closes a security key session IPC channel and validates state.
   void CloseSecurityKeySessionIpcChannel(
       const base::WeakPtr<FakeSecurityKeyIpcServer>& fake_ipc_server,
       int connection_id);
 
-  // Returns a unique IPC channel name which prevents conflicts when running
+  // Returns a unique IPC channel handle which prevents conflicts when running
   // tests concurrently.
-  std::string GetUniqueTestChannelName();
+  std::string GetUniqueTestChannelHandle();
 
   // IPC tests require a valid MessageLoop to run.
   base::MessageLoopForIO message_loop_;
 
+  mojo::edk::test::ScopedIPCSupport ipc_support_;
+
   // Used to allow |message_loop_| to run during tests.  The instance is reset
   // after each stage of the tests has been completed.
   std::unique_ptr<base::RunLoop> run_loop_;
 
   // The object under test.
   std::unique_ptr<SecurityKeyAuthHandler> auth_handler_;
 
   // Set as the default factory to create SecurityKeyIpcServerFactory
   // instances, this class will track each objects creation and allow the tests
   // to access it and use it for driving tests and validating state.
   FakeSecurityKeyIpcServerFactory ipc_server_factory_;
 
   // Used to validate the object under test uses the correct ID when
   // communicating over the IPC channel.
   int last_connection_id_received_ = -1;
 
-  // Used to validate that IPC connections are only allowed from a specific
-  // Windows session.
-  DWORD desktop_session_id_ = UINT32_MAX;
-
   // Stores the contents of the last IPC message received for validation.
   std::string last_message_received_;
 
  private:
   testing::NiceMock<MockClientSessionDetails> mock_client_session_details_;
 
   DISALLOW_COPY_AND_ASSIGN(SecurityKeyAuthHandlerWinTest);
 };
 
 SecurityKeyAuthHandlerWinTest::SecurityKeyAuthHandlerWinTest()
-    : run_loop_(new base::RunLoop()) {
+    : ipc_support_(message_loop_.task_runner()),
+      run_loop_(new base::RunLoop()) {
   auth_handler_ = remoting::SecurityKeyAuthHandler::Create(
       &mock_client_session_details_,
       base::Bind(&SecurityKeyAuthHandlerWinTest::SendMessageToClient,
                  base::Unretained(this)),
       /*file_task_runner=*/nullptr);
 }
 
 SecurityKeyAuthHandlerWinTest::~SecurityKeyAuthHandlerWinTest() {}
 
 void SecurityKeyAuthHandlerWinTest::OperationComplete() {
   run_loop_->Quit();
 }
 
 void SecurityKeyAuthHandlerWinTest::WaitForOperationComplete() {
   run_loop_->Run();
   run_loop_.reset(new base::RunLoop());
 }
 
 void SecurityKeyAuthHandlerWinTest::SendMessageToClient(
     int connection_id,
     const std::string& data) {
   last_connection_id_received_ = connection_id;
   last_message_received_ = data;
   OperationComplete();
 }
 
 void SecurityKeyAuthHandlerWinTest::CreateSecurityKeyConnection(
-    const std::string& channel_name) {
+    const mojo::edk::NamedPlatformHandle& channel_handle) {
   ASSERT_EQ(0u, auth_handler_->GetActiveConnectionCountForTest());
 
-  remoting::SetSecurityKeyIpcChannelNameForTest(channel_name);
+  remoting::SetSecurityKeyIpcChannelForTest(channel_handle);
 
   // Create a new SecurityKey IPC Server connection.
   auth_handler_->CreateSecurityKeyConnection();
-  ASSERT_TRUE(IPC::Channel::IsNamedServerInitialized(channel_name));
-
-  InitializeDesktopSessionId();
 }
 
-void SecurityKeyAuthHandlerWinTest::InitializeDesktopSessionId() {
-  ASSERT_TRUE(
-      ProcessIdToSessionId(GetCurrentProcessId(), &desktop_session_id_));
-
-  ON_CALL(mock_client_session_details_, desktop_session_id())
-      .WillByDefault(testing::Return(desktop_session_id_));
-}
-
-void SecurityKeyAuthHandlerWinTest::EstablishInitialIpcConnection(
+void SecurityKeyAuthHandlerWinTest::EstablishIpcConnection(
     FakeSecurityKeyIpcClient* fake_ipc_client,
     int expected_connection_id,
-    const std::string& channel_name,
+    const mojo::edk::NamedPlatformHandle& channel_handle,
     bool close_connection) {
   size_t expected_connection_count =
       auth_handler_->GetActiveConnectionCountForTest() + 1;
 
-  ASSERT_TRUE(fake_ipc_client->ConnectViaIpc(channel_name));
-  // Client and Server will each signal us once when OnChannelConenect() is
-  // called so we wait on complete twice.  The order in which each is signaled
-  // is not important.
+  ASSERT_FALSE(auth_handler_->IsValidConnectionId(expected_connection_id));
+  ASSERT_TRUE(fake_ipc_client->ConnectViaIpc(channel_handle));
   WaitForOperationComplete();
-  WaitForOperationComplete();
-
-  // Verify the connection details have been passed to the client.
-  std::string new_channel_name = fake_ipc_client->last_message_received();
-  ASSERT_FALSE(new_channel_name.empty());
 
   // Verify the internal state of the SecurityKeyAuthHandler is correct.
   ASSERT_TRUE(auth_handler_->IsValidConnectionId(expected_connection_id));
   ASSERT_EQ(expected_connection_count,
             auth_handler_->GetActiveConnectionCountForTest());
 
   if (close_connection) {
     fake_ipc_client->CloseIpcConnection();
     WaitForOperationComplete();
   }
@@ skipping 52 matching lines @@
 
   // Verify the internal state has been updated.
   ASSERT_FALSE(auth_handler_->IsValidConnectionId(connection_id));
   ASSERT_EQ(expected_connection_count,
             auth_handler_->GetActiveConnectionCountForTest());
 
   // Verify the FakeSecurityKeyIpcServer instance was destroyed.
   ASSERT_FALSE(fake_ipc_server.get());
 }
 
-std::string SecurityKeyAuthHandlerWinTest::GetUniqueTestChannelName() {
+std::string SecurityKeyAuthHandlerWinTest::GetUniqueTestChannelHandle() {
   std::string channel_name("Uber_Awesome_Super_Mega_Test_Channel.");
   channel_name.append(IPC::Channel::GenerateUniqueRandomChannelID());
 
   return channel_name;
 }
 
 TEST_F(SecurityKeyAuthHandlerWinTest, HandleSingleSecurityKeyRequest) {
-  std::string channel_name(GetUniqueTestChannelName());
-  CreateSecurityKeyConnection(channel_name);
+  mojo::edk::NamedPlatformHandle channel_handle(GetUniqueTestChannelHandle());
+  CreateSecurityKeyConnection(channel_handle);
+
+  ASSERT_FALSE(auth_handler_->IsValidConnectionId(kConnectionId1));
 
   // Create a fake client and connect to the IPC server channel.
   FakeSecurityKeyIpcClient fake_ipc_client(
       base::Bind(&SecurityKeyAuthHandlerWinTest::OperationComplete,
                  base::Unretained(this)));
-  EstablishInitialIpcConnection(&fake_ipc_client, kConnectionId1, channel_name,
-                                /*close_connection=*/true);
-
-  // Connect to the private IPC server channel created for this client.
-  std::string new_channel_name = fake_ipc_client.last_message_received();
+  EstablishIpcConnection(&fake_ipc_client, kConnectionId1, channel_handle,
+                         /*close_connection=*/true);
 
   // Retrieve the IPC server instance created when the client connected.
   base::WeakPtr<FakeSecurityKeyIpcServer> fake_ipc_server =
       ipc_server_factory_.GetIpcServerObject(kConnectionId1);
   ASSERT_TRUE(fake_ipc_server.get());
-  ASSERT_EQ(new_channel_name, fake_ipc_server->channel_name());
 
   fake_ipc_server->set_send_response_callback(
       base::Bind(&SecurityKeyAuthHandlerWinTest::OperationComplete,
                  base::Unretained(this)));
 
   // Send a security key request using the fake IPC server.
   SendRequestToSecurityKeyAuthHandler(fake_ipc_server, kConnectionId1,
                                       "0123456789");
 
   // Send a security key response using the new IPC channel.
   SendResponseViaSecurityKeyAuthHandler(fake_ipc_server, kConnectionId1,
                                         "9876543210");
 
   CloseSecurityKeySessionIpcChannel(fake_ipc_server, kConnectionId1);
 }
 
 TEST_F(SecurityKeyAuthHandlerWinTest, HandleConcurrentSecurityKeyRequests) {
-  std::string channel_name(GetUniqueTestChannelName());
-  CreateSecurityKeyConnection(channel_name);
+  mojo::edk::NamedPlatformHandle channel_handle(GetUniqueTestChannelHandle());
+  CreateSecurityKeyConnection(channel_handle);
 
   // Create fake clients and connect each to the IPC server channel.
   FakeSecurityKeyIpcClient fake_ipc_client_1(
       base::Bind(&SecurityKeyAuthHandlerWinTest::OperationComplete,
                  base::Unretained(this)));
   FakeSecurityKeyIpcClient fake_ipc_client_2(
       base::Bind(&SecurityKeyAuthHandlerWinTest::OperationComplete,
                  base::Unretained(this)));
 
-  EstablishInitialIpcConnection(&fake_ipc_client_1, kConnectionId1,
-                                channel_name,
-                                /*close_connection=*/true);
-  EstablishInitialIpcConnection(&fake_ipc_client_2, kConnectionId2,
-                                channel_name,
-                                /*close_connection=*/true);
-
-  // Verify the connection details have been passed to the client.
-  std::string channel_name_1 = fake_ipc_client_1.last_message_received();
-  std::string channel_name_2 = fake_ipc_client_2.last_message_received();
-  ASSERT_NE(channel_name_1, channel_name_2);
+  EstablishIpcConnection(&fake_ipc_client_1, kConnectionId1, channel_handle,
+                         /*close_connection=*/true);
+  EstablishIpcConnection(&fake_ipc_client_2, kConnectionId2, channel_handle,
+                         /*close_connection=*/true);
 
   base::WeakPtr<FakeSecurityKeyIpcServer> fake_ipc_server_1 =
       ipc_server_factory_.GetIpcServerObject(kConnectionId1);
   ASSERT_TRUE(fake_ipc_server_1.get());
-  ASSERT_EQ(channel_name_1, fake_ipc_server_1->channel_name());
 
   base::WeakPtr<FakeSecurityKeyIpcServer> fake_ipc_server_2 =
       ipc_server_factory_.GetIpcServerObject(kConnectionId2);
   ASSERT_TRUE(fake_ipc_server_2.get());
-  ASSERT_EQ(channel_name_2, fake_ipc_server_2->channel_name());
 
   fake_ipc_server_1->set_send_response_callback(
       base::Bind(&SecurityKeyAuthHandlerWinTest::OperationComplete,
                  base::Unretained(this)));
   fake_ipc_server_2->set_send_response_callback(
       base::Bind(&SecurityKeyAuthHandlerWinTest::OperationComplete,
                  base::Unretained(this)));
 
   // Connect and send a security key request using the first IPC channel.
   SendRequestToSecurityKeyAuthHandler(fake_ipc_server_1, kConnectionId1,
@@ skipping 10 matching lines @@
   // Send a security key response using the second IPC channel.
   SendResponseViaSecurityKeyAuthHandler(fake_ipc_server_2, kConnectionId2,
                                         "dddddddddd");
 
   // Close the IPC channels.
   CloseSecurityKeySessionIpcChannel(fake_ipc_server_1, kConnectionId1);
   CloseSecurityKeySessionIpcChannel(fake_ipc_server_2, kConnectionId2);
 }
 
 TEST_F(SecurityKeyAuthHandlerWinTest, HandleSequentialSecurityKeyRequests) {
-  std::string channel_name(GetUniqueTestChannelName());
-  CreateSecurityKeyConnection(channel_name);
+  mojo::edk::NamedPlatformHandle channel_handle(GetUniqueTestChannelHandle());
+  CreateSecurityKeyConnection(channel_handle);
 
   // Create fake clients to connect to the IPC server channel.
   FakeSecurityKeyIpcClient fake_ipc_client_1(
       base::Bind(&SecurityKeyAuthHandlerWinTest::OperationComplete,
                  base::Unretained(this)));
 
-  EstablishInitialIpcConnection(&fake_ipc_client_1, kConnectionId1,
-                                channel_name,
-                                /*close_connection=*/true);
-
-  // Verify the connection details have been passed to the client.
-  std::string channel_name_1 = fake_ipc_client_1.last_message_received();
+  EstablishIpcConnection(&fake_ipc_client_1, kConnectionId1, channel_handle,
+                         /*close_connection=*/true);
 
   base::WeakPtr<FakeSecurityKeyIpcServer> fake_ipc_server_1 =
       ipc_server_factory_.GetIpcServerObject(kConnectionId1);
   ASSERT_TRUE(fake_ipc_server_1.get());
-  ASSERT_EQ(channel_name_1, fake_ipc_server_1->channel_name());
 
   fake_ipc_server_1->set_send_response_callback(
       base::Bind(&SecurityKeyAuthHandlerWinTest::OperationComplete,
                  base::Unretained(this)));
 
   // Send a security key request using the first IPC channel.
   SendRequestToSecurityKeyAuthHandler(fake_ipc_server_1, kConnectionId1,
                                       "aaaaaaaaaa");
 
   // Send a security key response using the first IPC channel.
   SendResponseViaSecurityKeyAuthHandler(fake_ipc_server_1, kConnectionId1,
                                         "cccccccccc");
 
   // Close the IPC channel.
   CloseSecurityKeySessionIpcChannel(fake_ipc_server_1, kConnectionId1);
 
   // Now connect with a second client.
   FakeSecurityKeyIpcClient fake_ipc_client_2(
       base::Bind(&SecurityKeyAuthHandlerWinTest::OperationComplete,
                  base::Unretained(this)));
-  EstablishInitialIpcConnection(&fake_ipc_client_2, kConnectionId2,
-                                channel_name,
-                                /*close_connection=*/true);
-
-  std::string channel_name_2 = fake_ipc_client_2.last_message_received();
-  ASSERT_NE(channel_name_1, channel_name_2);
+  EstablishIpcConnection(&fake_ipc_client_2, kConnectionId2, channel_handle,
+                         /*close_connection=*/true);
 
   base::WeakPtr<FakeSecurityKeyIpcServer> fake_ipc_server_2 =
       ipc_server_factory_.GetIpcServerObject(kConnectionId2);
   ASSERT_TRUE(fake_ipc_server_2.get());
-  ASSERT_EQ(channel_name_2, fake_ipc_server_2->channel_name());
 
   fake_ipc_server_2->set_send_response_callback(
       base::Bind(&SecurityKeyAuthHandlerWinTest::OperationComplete,
                  base::Unretained(this)));
 
   // Send a security key request using the second IPC channel.
   SendRequestToSecurityKeyAuthHandler(fake_ipc_server_2, kConnectionId2,
                                       "bbbbbbbbbb");
 
   // Send a security key response using the second IPC channel.
   SendResponseViaSecurityKeyAuthHandler(fake_ipc_server_2, kConnectionId2,
                                         "dddddddddd");
 
   // Close the IPC channel.
   CloseSecurityKeySessionIpcChannel(fake_ipc_server_2, kConnectionId2);
 }
 
-TEST_F(SecurityKeyAuthHandlerWinTest,
-       ClientNeverDisconnectsFromInitialIpcChannel) {
-  const int kLowConnectionTimeoutInMs = 25;
-  auth_handler_->SetRequestTimeoutForTest(
-      base::TimeDelta::FromMilliseconds(kLowConnectionTimeoutInMs));
-
-  std::string channel_name(GetUniqueTestChannelName());
-  CreateSecurityKeyConnection(channel_name);
+TEST_F(SecurityKeyAuthHandlerWinTest, HandleSecurityKeyErrorResponse) {
+  mojo::edk::NamedPlatformHandle channel_handle(GetUniqueTestChannelHandle());
+  CreateSecurityKeyConnection(channel_handle);
+  ASSERT_EQ(0u, auth_handler_->GetActiveConnectionCountForTest());
 
   // Create a fake client and connect to the IPC server channel.
   FakeSecurityKeyIpcClient fake_ipc_client(
       base::Bind(&SecurityKeyAuthHandlerWinTest::OperationComplete,
                  base::Unretained(this)));
-  EstablishInitialIpcConnection(&fake_ipc_client, kConnectionId1, channel_name,
-                                /*close_connection=*/false);
-
-  // Don't close the channel here, instead wait for the SecurityKeyAuthHandler
-  // to close the connection due to the timeout.
-  WaitForOperationComplete();
-
-  // Verify the connection that was set up still exists.
-  ASSERT_TRUE(auth_handler_->IsValidConnectionId(kConnectionId1));
-  ASSERT_EQ(1u, auth_handler_->GetActiveConnectionCountForTest());
-
-  // Attempt to connect again after the error.
-  EstablishInitialIpcConnection(&fake_ipc_client, kConnectionId2, channel_name,
-                                /*close_connection=*/true);
-}
-
-TEST_F(SecurityKeyAuthHandlerWinTest, HandleSecurityKeyRequestTimeout) {
-  std::string channel_name(GetUniqueTestChannelName());
-  CreateSecurityKeyConnection(channel_name);
-
-  // Create a fake client and connect to the IPC server channel.
-  FakeSecurityKeyIpcClient fake_ipc_client(
-      base::Bind(&SecurityKeyAuthHandlerWinTest::OperationComplete,
-                 base::Unretained(this)));
-  EstablishInitialIpcConnection(&fake_ipc_client, kConnectionId1, channel_name,
-                                /*close_connection=*/true);
-
-  // Connect to the private IPC server channel created for this client.
-  std::string new_channel_name = fake_ipc_client.last_message_received();
+  EstablishIpcConnection(&fake_ipc_client, kConnectionId1, channel_handle,
+                         /*close_connection=*/true);
 
   // Retrieve the IPC server instance created when the client connected.
   base::WeakPtr<FakeSecurityKeyIpcServer> fake_ipc_server =
       ipc_server_factory_.GetIpcServerObject(kConnectionId1);
   ASSERT_TRUE(fake_ipc_server.get());
-  ASSERT_EQ(new_channel_name, fake_ipc_server->channel_name());
 
   fake_ipc_server->set_send_response_callback(
       base::Bind(&SecurityKeyAuthHandlerWinTest::OperationComplete,
-                 base::Unretained(this)));
-
-  // Simulate a timeout and verify the IPC server is cleaned up.
-  CloseSecurityKeySessionIpcChannel(fake_ipc_server, kConnectionId1);
-
-  // Attempt to connect again after the error.
-  EstablishInitialIpcConnection(&fake_ipc_client, kConnectionId2, channel_name,
-                                /*close_connection=*/true);
-}
-
-TEST_F(SecurityKeyAuthHandlerWinTest, HandleSecurityKeyErrorResponse) {
-  std::string channel_name(GetUniqueTestChannelName());
-  CreateSecurityKeyConnection(channel_name);
-
-  // Create a fake client and connect to the IPC server channel.
-  FakeSecurityKeyIpcClient fake_ipc_client(
-      base::Bind(&SecurityKeyAuthHandlerWinTest::OperationComplete,
-                 base::Unretained(this)));
-  EstablishInitialIpcConnection(&fake_ipc_client, kConnectionId1, channel_name,
-                                /*close_connection=*/true);
-
-  // Connect to the private IPC server channel created for this client.
-  std::string new_channel_name = fake_ipc_client.last_message_received();
-
-  // Retrieve the IPC server instance created when the client connected.
-  base::WeakPtr<FakeSecurityKeyIpcServer> fake_ipc_server =
-      ipc_server_factory_.GetIpcServerObject(kConnectionId1);
-  ASSERT_TRUE(fake_ipc_server.get());
-  ASSERT_EQ(new_channel_name, fake_ipc_server->channel_name());
-
-  fake_ipc_server->set_send_response_callback(
-      base::Bind(&SecurityKeyAuthHandlerWinTest::OperationComplete,
                  base::Unretained(this)));
 
   // Send a security key request using the fake IPC server.
   SendRequestToSecurityKeyAuthHandler(fake_ipc_server, kConnectionId1,
                                       "0123456789");
 
   // Simulate a security key error from the client.
   auth_handler_->SendErrorAndCloseConnection(kConnectionId1);
   // Wait for the ipc server channel to be torn down.
   WaitForOperationComplete();
 
   // Verify the connection was cleaned up.
   ASSERT_FALSE(fake_ipc_server.get());
   ASSERT_FALSE(auth_handler_->IsValidConnectionId(kConnectionId1));
   ASSERT_EQ(0u, auth_handler_->GetActiveConnectionCountForTest());
 
   // Attempt to connect again after the error.
-  EstablishInitialIpcConnection(&fake_ipc_client, kConnectionId2, channel_name,
-                                /*close_connection=*/true);
-}
-
-TEST_F(SecurityKeyAuthHandlerWinTest, IpcConnectionFailsFromInvalidSession) {
-  std::string channel_name(GetUniqueTestChannelName());
-  CreateSecurityKeyConnection(channel_name);
-
-  // Set the current session id to a 'different' session.
-  desktop_session_id_ += 1;
-
-  // Create a fake client and connect to the IPC server channel.
-  FakeSecurityKeyIpcClient fake_ipc_client(
-      base::Bind(&SecurityKeyAuthHandlerWinTest::OperationComplete,
-                 base::Unretained(this)));
-  ASSERT_TRUE(fake_ipc_client.ConnectViaIpc(channel_name));
-  // Wait for the error callback to be signaled.
-  WaitForOperationComplete();
-
-  // Verify the connection was not set up.
-  ASSERT_FALSE(auth_handler_->IsValidConnectionId(kConnectionId1));
-  ASSERT_EQ(0u, auth_handler_->GetActiveConnectionCountForTest());
+  EstablishIpcConnection(&fake_ipc_client, kConnectionId2, channel_handle,
+                         /*close_connection=*/true);
 }
 
 }  // namespace remoting