# Test to make sure alarm / SIGALM does not interfere
# with Net::Ping. (This test was derived to ensure
# compatibility with the "spamassassin" utility.)
# Based on code written by radu@netsoft.ro (Radu Greab).
BEGIN {
if ($ENV{PERL_CORE}) {
unless ($ENV{PERL_TEST_Net_Ping}) {
print "1..0 \# Skip: network dependent test\n";
exit;
}
}
unless (eval "require Socket") {
print "1..0 \# Skip: no Socket\n";
exit;
}
unless (eval {alarm 0; 1;}) {
print "1..0 \# Skip: alarm borks on $^O $^X $] ?\n";
exit;
}
unless (getservbyname('echo', 'tcp')) {
print "1..0 \# Skip: no echo port\n";
exit;
}
}
use strict;
use Test::More tests => 6;
BEGIN {use_ok 'Net::Ping'};
eval {
my $timeout = 11;
pass('In eval');
local $SIG{ALRM} = sub { die "alarm works" };
pass('SIGALRM can be set on this platform');
alarm $timeout;
pass('alarm() can be set on this platform');
my $start = time;
while (1) {
my $ping = Net::Ping->new("tcp", 2);
# It does not matter if alive or not
$ping->ping("127.0.0.1");
$ping->ping("172.29.249.249");
die "alarm failed" if time > $start + $timeout + 1;
}
};
pass('Got out of "infinite loop" okay');
like($@, qr/alarm works/, 'Make sure it died for a good excuse');
alarm 0; # Reset alarm