#!perl -T
-use Test::More tests => 10;
+use strict;
+use warnings;
-use POSIX qw/SIGINT SIGTERM SIGKILL SIGHUP EXIT_SUCCESS EXIT_FAILURE/;
+use Test::More tests => 3;
-use IPC::MorseSignals qw/msend mrecv mreset/;
-
-my $lives = 10;
-
-sub spawn {
- --$lives;
- die 'forked too many times' if $lives < 0;
- pipe my $rdr, my $wtr or die "pipe() failed: $!";
- my $pid = fork;
- if (!defined $pid) {
- die "fork() failed: $!";
- } elsif ($pid == 0) {
- close $rdr or die "close() failed: $!";
- my $block = 0;
- my $s = mrecv local %SIG, cb => sub {
- if ($block) {
- $block = 0;
- } else {
- select $wtr; $| = 1;
- print $wtr $_[1], "\n";
- select $wtr; $| = 1;
- }
- };
- $SIG{HUP} = sub { mreset $s };
- $SIG{__WARN__} = sub { $block = 1; };
- 1 while 1;
- exit EXIT_FAILURE;
- }
- close $wtr or die "close() failed: $!";
- return ($pid, $rdr);
-}
-
-sub slaughter {
- my ($pid) = @_;
- kill SIGINT => $pid;
- kill SIGTERM => $pid;
- kill SIGKILL => $pid;
- waitpid $pid, 0;
-}
+use lib 't/lib';
+use IPCMTest qw/speed init cleanup/;
+my $diag = sub { diag @_ };
my @res;
-my ($pid, $rdr) = spawn;
-
-sub tryspeed {
- my ($l, $n) = @_;
- my $speed = 2 ** 16;
- my $ok = 0;
- my @alpha = ('a' .. 'z');
- my $msg = join '', map { $alpha[rand @alpha] } 1 .. $l;
- my $desc_base = "$l bytes sent $n times";
- while (($ok < $n) && (($speed /= 2) >= 1)) {
- my $desc = "$desc_base at $speed bits/s";
- diag("try $desc...");
-TRY:
- for (1 .. $n) {
- my $r = '';
- eval {
- local $SIG{ALRM} = sub { die 'timeout' };
- local $SIG{__WARN__} = sub { die 'do not want warnings' };
- my $a = (int(100 * (3 * $l) / $speed) || 1);
- $a = 10 if $a > 10;
- alarm $a;
- kill SIGHUP => $pid;
- msend $msg => $pid, speed => $speed;
- $r = <$rdr>;
- };
- kill SIGHUP => $pid if $@;
- alarm 0;
- if (!defined $r) { # Something bad happened, respawn
- close $rdr or die "close() failed: $!";
- slaughter $pid;
- ($pid, $rdr) = spawn;
- redo TRY; # Retry this send
- } else {
- chomp $r;
- if ($r eq $msg) {
- ++$ok;
- } else {
- kill SIGHUP => $pid;
- last TRY;
- }
- }
- }
- }
- ok($ok >= $n, $desc_base);
- push @res, $desc_base . (($speed) ? ' at ' . $speed . ' bits/s' : ' failed');
-}
+init;
-tryspeed 4, 1;
-tryspeed 4, 4;
-tryspeed 4, 16;
-tryspeed 4, 64;
-tryspeed 16, 1;
-tryspeed 16, 4;
-tryspeed 16, 16;
-tryspeed 64, 1;
-tryspeed 64, 4;
-tryspeed 256, 1;
+ok(speed(4, 1, $diag, \@res));
+ok(speed(4, 4, $diag, \@res));
+ok(speed(16, 1, $diag, \@res));
-slaughter $pid;
+cleanup;
diag '=== Summary ===';
diag $_ for sort {