[shell changes from patch from perl5.003_23 to perl5.003_24]

[p5sagit/p5-mst-13.2.git] / t / io / pipe.t

#!./perl

# $RCSfile: pipe.t,v $$Revision: 4.1 $$Date: 92/08/07 18:27:31 $

BEGIN {
    chdir 't' if -d 't';
    @INC = '../lib';
    require Config; import Config;
    unless ($Config{'d_fork'}) {
	print "1..0\n";
	exit 0;
    }
}

$| = 1;
print "1..8\n";

open(PIPE, "|-") || (exec 'tr', 'YX', 'ko');
print PIPE "Xk 1\n";
print PIPE "oY 2\n";
close PIPE;

if (open(PIPE, "-|")) {
    while(<PIPE>) {
	s/^not //;
	print;
    }
}
else {
    print STDOUT "not ok 3\n";
    exec 'echo', 'not ok 4';
}

pipe(READER,WRITER) || die "Can't open pipe";

if ($pid = fork) {
    close WRITER;
    while(<READER>) {
	s/^not //;
	y/A-Z/a-z/;
	print;
    }
}
else {
    die "Couldn't fork" unless defined $pid;
    close READER;
    print WRITER "not ok 5\n";
    open(STDOUT,">&WRITER") || die "Can't dup WRITER to STDOUT";
    close WRITER;
    exec 'echo', 'not ok 6';
}


pipe(READER,WRITER) || die "Can't open pipe";
close READER;

$SIG{'PIPE'} = 'broken_pipe';

sub broken_pipe {
    print "ok 7\n";
}

print WRITER "not ok 7\n";
close WRITER;

print "ok 8\n";