#!/usr/bin/perl use v5.14; use warnings; use Test::More; use IO::Socket::IP; foreach my $socktype (qw( SOCK_STREAM SOCK_DGRAM )) { my $testserver = IO::Socket::IP->new( ( $socktype eq "SOCK_STREAM" ? ( Listen => 1 ) : () ), LocalHost => "127.0.0.1", LocalPort => "0", Type => Socket->$socktype, ) or die "Cannot listen on PF_INET - $IO::Socket::errstr"; my $socket = IO::Socket::IP->new( PeerHost => "127.0.0.1", PeerService => $testserver->sockport, Type => Socket->$socktype, ) or die "Cannot connect on PF_INET - $IO::Socket::errstr"; my $testclient = ( $socktype eq "SOCK_STREAM" ) ? $testserver->accept : do { $testserver->connect( $socket->sockname ); $testserver }; is( $testclient->sockport, $socket->peerport, "\$testclient->sockport for $socktype" ); is( $testclient->peerport, $socket->sockport, "\$testclient->peerport for $socktype" ); is( $testclient->sockhost, $socket->peerhost, "\$testclient->sockhost for $socktype" ); is( $testclient->peerhost, $socket->sockhost, "\$testclient->peerhost for $socktype" ); $socket->write( "Request\n" ); is( $testclient->getline, "Request\n", "\$socket to \$testclient for $socktype" ); $testclient->write( "Response\n" ); is( $socket->getline, "Response\n", "\$testclient to \$socket for $socktype" ); } done_testing;