#include "DHTConnectionImpl.h"
#include "Exception.h"
#include <cppunit/extensions/HelperMacros.h>

class DHTConnectionImplTest:public CppUnit::TestFixture {

  CPPUNIT_TEST_SUITE(DHTConnectionImplTest);
  CPPUNIT_TEST(testWriteAndReadData);
  CPPUNIT_TEST_SUITE_END();
public:
  void setUp() {}

  void tearDown() {}

  void testWriteAndReadData();
};


CPPUNIT_TEST_SUITE_REGISTRATION(DHTConnectionImplTest);

void DHTConnectionImplTest::testWriteAndReadData()
{
  try {
    DHTConnectionImpl con1;
    /*uint16_t con1port =*/ con1.bind(0);
    DHTConnectionImpl con2;
    uint16_t con2port = con2.bind(0);

    string message1 = "hello world.";
    con1.sendMessage(message1.c_str(), message1.size(), "localhost", con2port);

    char readbuffer[100];
    string remoteHost;
    uint16_t remotePort;
    {
      ssize_t rlength = con2.receiveMessage(readbuffer, sizeof(readbuffer), remoteHost, remotePort);
      CPPUNIT_ASSERT_EQUAL(string("127.0.0.1"), remoteHost);
      CPPUNIT_ASSERT_EQUAL((ssize_t)message1.size(), rlength);
      readbuffer[rlength] = '\0';
      CPPUNIT_ASSERT_EQUAL(message1, string(readbuffer));
    }
  } catch(Exception* e) {
    cerr << *e << endl;
    delete e;
    CPPUNIT_FAIL("exception thrown");
  }
}