1 package IPC::MorseSignals::TestSuite;
7 use POSIX qw/pause SIGUSR1 SIGTSTP SIGKILL EXIT_FAILURE/;
9 use IPC::MorseSignals::Emitter;
10 use IPC::MorseSignals::Receiver;
12 use base qw/Exporter/;
14 our @EXPORT_OK = qw/try bench init cleanup/;
16 $Data::Dumper::Indent = 0;
18 my ($lives, $pid, $rdr);
21 $SIG{USR1} = sub { $ready = 1 };
25 die 'forked too many times' if $lives < 0;
26 pipe $rdr, my $wtr or die "pipe() failed: $!";
29 die "fork() failed: $!";
32 close $rdr or die "close() failed: $!";
36 my $rcv = new IPC::MorseSignals::Receiver \%SIG, done => sub {
37 print $wtr Dumper($_[1]), "\n";
38 kill SIGUSR1 => $ppid if $ppid;
40 $SIG{__WARN__} = sub {
41 my $warn = join '', @_;
43 print $wtr "!warn : $warn\n";
44 kill SIGUSR1 => $ppid if $ppid;
48 kill SIGUSR1 => $ppid if $ppid;
54 close $wtr or die "close() failed: $!";
55 my $oldfh = select $rdr;
63 close $rdr or die "close() falied: $!";
81 sub cleanup { slaughter }
83 my $snd = new IPC::MorseSignals::Emitter;
90 while (!$ok && (($speed /= 2) >= 1)) {
92 my $dump = Dumper($msg);
95 local $SIG{ALRM} = sub { die 'timeout' };
96 local $SIG{__WARN__} = sub { alarm 0; die 'do not want warnings' };
97 my $a = (int(100 * (3 * length $msg) / $speed) || 1);
108 if (!defined $r) { # Something bad happened, respawn
116 warn $1 if $r =~ /^warn\s*:\s*(.*)/;
118 kill SIGTSTP => $pid if $pid;
123 return ($ok) ? $speed : 0;
127 my ($l, $n, $diag, $res) = @_;
130 my @alpha = ('a' .. 'z');
131 my $msg = join '', map { $alpha[rand @alpha] } 1 .. $l;
132 my $dump = Dumper($msg);
133 my $desc_base = "$l bytes sent $n time" . ('s' x ($n != 1));
134 while (($ok < $n) && (($speed /= 2) >= 1)) {
136 my $desc = "$desc_base at $speed bits/s";
137 $diag->("try $desc...");
142 local $SIG{ALRM} = sub { die 'timeout' };
143 local $SIG{__WARN__} = sub { alarm 0; die 'do not want warnings' };
144 my $a = (int(100 * (3 * $l) / $speed) || 1);
155 if (!defined $r) { # Something bad happened, respawn
165 kill SIGTSTP => $pid if $pid;
172 push @$res, $desc_base . (($speed) ? ' at ' . $speed . ' bits/s' : ' failed');