Importing IPC-MorseSignals-0.08.tar.gz

[perl/modules/IPC-MorseSignals.git] / t / lib / IPCMTest.pm

diff --git a/t/lib/IPCMTest.pm b/t/lib/IPCMTest.pm
index 33d006ca54b1fe2d6c00a5235050f35106833e07..6cd2f43f106827d1195b7b0ae949eceb3a3603db 100644 (file)
--- a/t/lib/IPCMTest.pm
+++ b/t/lib/IPCMTest.pm
@@ -3,6 +3,7 @@ package IPCMTest;
 use strict;
 use warnings;
 
+use Encode;
 use POSIX qw/SIGINT SIGTERM SIGKILL SIGHUP EXIT_FAILURE/;
 
 use IPC::MorseSignals qw/msend mrecv mreset/;
@@ -11,9 +12,7 @@ use base qw/Exporter/;
 
 our @EXPORT_OK = qw/try speed init cleanup/;
 
-our $lives = 10;
-
-my ($utf8, $pid, $rdr);
+my ($lives, $pid, $rdr);
 
 sub spawn {
  --$lives;
@@ -23,25 +22,24 @@ sub spawn {
  if (!defined $pid) {
   die "fork() failed: $!";
  } elsif ($pid == 0) {
+  local %SIG;
   close $rdr or die "close() failed: $!";
-  binmode $wtr, ':utf8' if $utf8;
-  my $block = 0;
-  my $rcv = mrecv local %SIG, cb => sub {
-   if ($block) {
-    $block = 0;
-   } else {
-    select $wtr; $| = 1;
-    print $wtr $_[0], ':', $_[1], "\n";
-    select $wtr; $| = 1;
-   }
+  my $rcv = mrecv %SIG, cb => sub {
+   binmode $wtr, ':utf8' if Encode::is_utf8 $_[1];
+   select $wtr; $| = 1;
+   print $wtr $_[0], ':', $_[1], "\n";
+   select $wtr; $| = 1;
   };
   $SIG{HUP} = sub { mreset $rcv };
-  $SIG{__WARN__} = sub { $block = 1 };
+  $SIG{__WARN__} = sub {
+   select $wtr; $| = 1;
+   print $wtr "__WARN__\n";
+   select $wtr; $| = 1;
+  };
   1 while 1;
   exit EXIT_FAILURE;
  }
  close $wtr or die "close() failed: $!";
- binmode $rdr, ':utf8' if $utf8;
 }
 
 sub slaughter {
@@ -52,7 +50,8 @@ sub slaughter {
 }
 
 sub init {
- $utf8 = $_[0] || 0;
+ ($lives) = @_;
+ $lives ||= 10;
  spawn;
 }
 
@@ -64,25 +63,24 @@ sub try {
  my $speed = 2 ** 16;
  my $ok = 0;
  my @ret;
+ binmode $rdr, ((Encode::is_utf8 $msg) ? ':utf8' : ':crlf');
  while (!$ok && (($speed /= 2) >= 1)) {
   my $r = '';
   eval {
    local $SIG{ALRM} = sub { die 'timeout' };
-   local $SIG{__WARN__} = sub { die 'do not want warnings' };
+   local $SIG{__WARN__} = sub { alarm 0; die 'do not want warnings' };
    my $a = (int(100 * (3 * length $msg) / $speed) || 1);
    $a = 10 if $a > 10;
    alarm $a;
    kill SIGHUP => $pid;
-   msend $msg => $pid, speed => $speed, utf8 => $utf8, sign => $sign;
+   msend $msg => $pid, speed => $speed, sign => $sign;
    $r = <$rdr>;
+   alarm 0;
   };
-  kill SIGHUP => $pid if $@;
-  alarm 0;
   if (!defined $r) { # Something bad happened, respawn
    close $rdr or die "close() failed: $!";
    slaughter;
    spawn;
-   $speed *= 2;      # Retry this speed
   } else {
    chomp $r;
    if ($r eq ((($sign) ? $$ : 0) . ':' . $msg)) {
@@ -103,6 +101,7 @@ sub speed {
  my $msg = join '', map { $alpha[rand @alpha] } 1 .. $l;
  my $desc_base = "$l bytes sent $n times";
  while (($ok < $n) && (($speed /= 2) >= 1)) {
+  $ok = 0;
   my $desc = "$desc_base at $speed bits/s";
   $diag->("try $desc...");
 TRY:
@@ -110,21 +109,20 @@ TRY:
    my $r = '';
    eval {
     local $SIG{ALRM} = sub { die 'timeout' };
-    local $SIG{__WARN__} = sub { die 'do not want warnings' };
+    local $SIG{__WARN__} = sub { alarm 0; 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, utf8 => $utf8, sign => 0;
+    msend $msg => $pid, speed => $speed, sign => 0;
     $r = <$rdr>;
+    alarm 0;
    };
-   kill SIGHUP => $pid if $@;
-   alarm 0;
    if (!defined $r) { # Something bad happened, respawn
     close $rdr or die "close() failed: $!";
     slaughter;
     spawn;
-    redo TRY;         # Retry this send
+    last TRY;
    } else {
     chomp $r;
     if ($r eq '0:' . $msg) {