private void assertWorking() throws Exception {
    Map<SocketAddress, String> versions = client.getVersions();
    assertEquals("/" + TestConfig.IPV4_ADDR + ":" + TestConfig.PORT_NUMBER,
        versions.keySet().iterator().next().toString());
  }
Test the various memcached client constructors.
src/test/java/net/spy/memcached/MemcachedClientConstructorTest.java