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use warnings;
use strict;
use Config;
BEGIN {
# open2/3 supported on win32, but not Borland due to CRT bugs
if(!$Config{d_fork} &&
(($^O ne 'MSWin32' && $^O ne 'NetWare') ||
$Config{cc} =~ /^bcc/i)) {
require Test::More;
Test::More->import(skip_all =>
"open2/3 not available with MSWin32+Netware+cc=bcc");
}
}
BEGIN {
# make warnings fatal
$SIG{__WARN__} = sub { die @_ };
}
use IO::Handle;
use Test::More tests => 23;
require_ok "open3.pl";
sub cmd_line {
if ($^O eq 'MSWin32' || $^O eq 'NetWare') {
my $cmd = shift;
$cmd =~ tr/\r\n//d;
$cmd =~ s/"/\\"/g;
return qq/"$cmd"/;
}
else {
return $_[0];
}
}
my ($pid, $reaped_pid);
STDOUT->autoflush;
STDERR->autoflush;
# basic
$pid = &open3('WRITE', 'READ', 'ERROR', $^X, '-e', cmd_line(<<'EOF'));
$| = 1;
print scalar <STDIN>;
print STDERR "hi error\n";
EOF
ok $pid;
print WRITE "hi kid\n";
like scalar(<READ>), qr/\Ahi kid\r?\n\z/;
like scalar(<ERROR>), qr/\Ahi error\r?\n\z/;
ok close(WRITE);
ok close(READ);
ok close(ERROR);
$reaped_pid = waitpid $pid, 0;
is $reaped_pid, $pid;
is $?, 0;
# read and error together, both named
$pid = &open3('WRITE', 'READ', 'READ', $^X, '-e', cmd_line(<<'EOF'));
$| = 1;
print scalar <STDIN>;
print STDERR scalar <STDIN>;
EOF
print WRITE "wibble\n";
like scalar(<READ>), qr/\Awibble\r?\n\z/;
print WRITE "wobble\n";
like scalar(<READ>), qr/\Awobble\r?\n\z/;
waitpid $pid, 0;
# read and error together, error empty
$pid = &open3('WRITE', 'READ', '', $^X, '-e', cmd_line(<<'EOF'));
$| = 1;
print scalar <STDIN>;
print STDERR scalar <STDIN>;
EOF
print WRITE "wibble\n";
like scalar(<READ>), qr/\Awibble\r?\n\z/;
print WRITE "wobble\n";
like scalar(<READ>), qr/\Awobble\r?\n\z/;
waitpid $pid, 0;
# dup writer
ok pipe(PIPE_READ, PIPE_WRITE);
$pid = &open3('<&PIPE_READ', 'READ', '', $^X, '-e', 'print scalar <STDIN>');
close PIPE_READ;
print PIPE_WRITE "wibble\n";
close PIPE_WRITE;
like scalar(<READ>), qr/\Awibble\r?\n\z/;
waitpid $pid, 0;
# dup reader
$pid = &open3('WRITE', 'READ', 'ERROR', $^X, '-e', cmd_line(<<'EOF'));
$| = 1;
sub cmd_line {
$^O eq 'MSWin32' || $^O eq 'NetWare' ? qq/"$_[0]"/ : $_[0];
}
require "open3.pl";
$pid = &open3('WRITE', '>&STDOUT', 'ERROR', $^X, '-e',
cmd_line('print scalar <STDIN>'));
print WRITE "wibble\n";
waitpid $pid, 0;
EOF
like scalar(<READ>), qr/\Awibble\r?\n\z/;
waitpid $pid, 0;
# dup error: This particular case, duping stderr onto the existing
# stdout but putting stdout somewhere else, is a good case because it
# used not to work.
$pid = &open3('WRITE', 'READ', 'ERROR', $^X, '-e', cmd_line(<<'EOF'));
$| = 1;
sub cmd_line {
$^O eq 'MSWin32' || $^O eq 'NetWare' ? qq/"$_[0]"/ : $_[0];
}
require "open3.pl";
$pid = &open3('WRITE', 'READ', '>&STDOUT', $^X, '-e',
cmd_line('print STDERR scalar <STDIN>'));
print WRITE "wibble\n";
waitpid $pid, 0;
EOF
like scalar(<READ>), qr/\Awibble\r?\n\z/;
waitpid $pid, 0;
# dup reader and error together, both named
$pid = &open3('WRITE', 'READ', 'ERROR', $^X, '-e', cmd_line(<<'EOF'));
$| = 1;
sub cmd_line {
$^O eq 'MSWin32' || $^O eq 'NetWare' ? qq/"$_[0]"/ : $_[0];
}
require "open3.pl";
$pid = &open3('WRITE', '>&STDOUT', '>&STDOUT', $^X, '-e',
cmd_line('$|=1; print STDOUT scalar <STDIN>; print STDERR scalar <STDIN>'));
print WRITE "wibble\n";
print WRITE "wobble\n";
waitpid $pid, 0;
EOF
like scalar(<READ>), qr/\Awibble\r?\n\z/;
like scalar(<READ>), qr/\Awobble\r?\n\z/;
waitpid $pid, 0;
# dup reader and error together, error empty
$pid = &open3('WRITE', 'READ', 'ERROR', $^X, '-e', cmd_line(<<'EOF'));
$| = 1;
sub cmd_line {
$^O eq 'MSWin32' || $^O eq 'NetWare' ? qq/"$_[0]"/ : $_[0];
}
require "open3.pl";
$pid = &open3('WRITE', '>&STDOUT', '', $^X, '-e',
cmd_line('$|=1; print STDOUT scalar <STDIN>; print STDERR scalar <STDIN>'));
print WRITE "wibble\n";
print WRITE "wobble\n";
waitpid $pid, 0;
EOF
like scalar(<READ>), qr/\Awibble\r?\n\z/;
like scalar(<READ>), qr/\Awobble\r?\n\z/;
waitpid $pid, 0;
# command line in single parameter variant of open3
# for understanding of Config{'sh'} test see exec description in camel book
my $cmd = 'print(scalar(<STDIN>))';
$cmd = $Config{'sh'} =~ /sh/ ? "'$cmd'" : cmd_line($cmd);
eval{$pid = &open3('WRITE', 'READ', 'ERROR', "$^X -e " . $cmd); };
is $@, "";
print WRITE "wibble\n";
like scalar(<READ>), qr/\Awibble\r?\n\z/;
waitpid $pid, 0;
1;
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