/*
 * Confirm we can't add the same descriptor twice.
 */
void SelectServerTest::testDoubleAddAndRemove() {
  OLA_ASSERT_EQ(1, connected_read_descriptor_count->Get());  // internal socket
  OLA_ASSERT_EQ(0, read_descriptor_count->Get());
  OLA_ASSERT_EQ(0, write_descriptor_count->Get());

  LoopbackDescriptor loopback_socket;
  loopback_socket.Init();

  OLA_ASSERT_TRUE(m_ss->AddReadDescriptor(&loopback_socket));
  OLA_ASSERT_EQ(2, connected_read_descriptor_count->Get());
  OLA_ASSERT_EQ(0, read_descriptor_count->Get());
  OLA_ASSERT_EQ(0, write_descriptor_count->Get());

  OLA_ASSERT_TRUE(m_ss->AddWriteDescriptor(&loopback_socket));
  OLA_ASSERT_EQ(2, connected_read_descriptor_count->Get());
  OLA_ASSERT_EQ(0, read_descriptor_count->Get());
  OLA_ASSERT_EQ(1, write_descriptor_count->Get());

  m_ss->RemoveReadDescriptor(&loopback_socket);
  OLA_ASSERT_EQ(1, connected_read_descriptor_count->Get());
  OLA_ASSERT_EQ(0, read_descriptor_count->Get());
  OLA_ASSERT_EQ(1, write_descriptor_count->Get());

  m_ss->RemoveWriteDescriptor(&loopback_socket);
  OLA_ASSERT_EQ(1, connected_read_descriptor_count->Get());
  OLA_ASSERT_EQ(0, read_descriptor_count->Get());
  OLA_ASSERT_EQ(0, write_descriptor_count->Get());

  // Trying to remove a second time shouldn't crash
  m_ss->RemoveReadDescriptor(&loopback_socket);
  m_ss->RemoveWriteDescriptor(&loopback_socket);
}
/*
 * Confirm we can't add invalid descriptors to the SelectServer
 */
void SelectServerTest::testAddInvalidDescriptor() {
  OLA_ASSERT_EQ(1, connected_read_descriptor_count->Get());  // internal socket
  OLA_ASSERT_EQ(0, read_descriptor_count->Get());
  OLA_ASSERT_EQ(0, write_descriptor_count->Get());

  // Adding and removing a uninitialized socket should fail
  LoopbackDescriptor bad_socket;
  OLA_ASSERT_FALSE(m_ss->AddReadDescriptor(&bad_socket));
  OLA_ASSERT_FALSE(m_ss->AddWriteDescriptor(&bad_socket));
  m_ss->RemoveReadDescriptor(&bad_socket);
  m_ss->RemoveWriteDescriptor(&bad_socket);

  OLA_ASSERT_EQ(1, connected_read_descriptor_count->Get());  // internal socket
  OLA_ASSERT_EQ(0, read_descriptor_count->Get());
  OLA_ASSERT_EQ(0, write_descriptor_count->Get());
}
/*
 * Test the interaction between read and write descriptor.
 */
void SelectServerTest::testReadWriteInteraction() {
  UnixSocket socket;
  socket.Init();
  socket.SetOnClose(NewSingleCallback(this, &SelectServerTest::Terminate));

  OLA_ASSERT_TRUE(m_ss->AddReadDescriptor(&socket));
  OLA_ASSERT_TRUE(m_ss->AddWriteDescriptor(&socket));
  m_ss->RemoveWriteDescriptor(&socket);

  // now the Write end closes
  auto_ptr<UnixSocket> other_end(socket.OppositeEnd());
  other_end->CloseClient();

  m_ss->RegisterSingleTimeout(
      100, ola::NewSingleCallback(this, &SelectServerTest::FatalTimeout));
  m_ss->Run();
  m_ss->RemoveReadDescriptor(&socket);
  OLA_ASSERT_EQ(1, connected_read_descriptor_count->Get());
  OLA_ASSERT_EQ(0, read_descriptor_count->Get());
}