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# Check PgCommon's next_free_port() use strict; use lib '.'; use PgCommon; use lib 't'; use TestLib; use Test::More tests => 5; # test next_free_port(). We are intentionally using nc as an external tool, # using perl would replicate what next_free_port is doing, and that would # be a pointless test. use IPC::Open2; use Time::HiRes qw(usleep); my @pids; # no ports open is (next_free_port, 5432, 'next_free_port is 5432'); # open a localhost ipv4 socket push @pids, open2(\*CHLD_OUT, \*CHLD_IN, qw(nc -4 -l 127.0.0.1 5432)); usleep 2*$delay; is (next_free_port, 5433, 'next_free_port detects localhost ipv4 socket'); # open a wildcard ipv4 socket push @pids, open2(\*CHLD_OUT, \*CHLD_IN, qw(nc -4 -l 5433)); usleep 2*$delay; is (next_free_port, 5434, 'next_free_port detects wildcard ipv4 socket'); SKIP: { $^V =~ /^v(\d+\.\d+)/; # parse perl version skip "perl <= 5.10 does not have proper IPv6 support", 2 if ($1 <= 5.10); skip "skipping IPv6 tests", 2 if ($ENV{SKIP_IPV6}); # open a localhost ipv6 socket push @pids, open2(\*CHLD_OUT, \*CHLD_IN, qw(nc -6 -l ::1 5434)); usleep 2*$delay; is (next_free_port, 5435, 'next_free_port detects localhost ipv6 socket'); # open a wildcard ipv6 socket push @pids, open2(\*CHLD_OUT, \*CHLD_IN, qw(nc -6 -l 5435)); usleep 2*$delay; is (next_free_port, 5436, 'next_free_port detects wildcard ipv6 socket'); } # clean up kill 15, @pids; # vim: filetype=perl