fixed local host with accept and added tests

src/jvmMain/kotlin/net/sergeych/kiloparsec/adapter/NetworkProvider.jvm.kt

@@ -18,7 +18,7 @@ actual fun acceptTcpDevice(port: Int): Flow<InetTransportDevice> {
     return flow {
         val socket = withContext(Dispatchers.IO) {
             AsynchronousServerSocketChannel.open().also {
-                it.bind(InetSocketAddress(InetAddress.getLocalHost(), port))
+                it.bind(InetSocketAddress(port))
             }
         }
         while (true) {
@@ -33,6 +33,8 @@ actual fun acceptTcpDevice(port: Int): Flow<InetTransportDevice> {
     }
 }
 
+suspend fun connectTcpDevice(address: String) = connectTcpDevice(address.toNetworkAddress())
+suspend fun connectTcpDevice(host: String, port: Int) = connectTcpDevice(NetworkAddress(host,port))
 actual suspend fun connectTcpDevice(address: NetworkAddress): InetTransportDevice {
     address as JvmNetworkAddress
     val socket = withContext(Dispatchers.IO) {

src/jvmMain/kotlin/net/sergeych/kiloparsec/adapter/UdpServer.kt

@@ -13,7 +13,7 @@ import java.util.concurrent.atomic.AtomicInteger
 private val counter = AtomicInteger(0)
 
 class JvmNetworkAddress(val inetAddress: InetAddress, override val port: Int) : NetworkAddress {
-    override val host: String by lazy { inetAddress.hostName }
+    override val host: String by lazy { inetAddress.canonicalHostName }
     override fun equals(other: Any?): Boolean {
         if (this === other) return true
         if (other !is JvmNetworkAddress) return false
@@ -32,6 +32,7 @@ class JvmNetworkAddress(val inetAddress: InetAddress, override val port: Int) :
         return result
     }
 
+    override fun toString(): String = "$host:$port"
 }
 
 class UdpDatagram(override val message: UByteArray, val inetAddress: InetAddress, val port: Int) : Datagram {