1 files changed, 56 insertions, 0 deletions
diff --git a/t/io/pipe.t b/t/io/pipe.t
new file mode 100644
index 0000000000..d41f5faaec
--- /dev/null
+++ b/t/io/pipe.t
@@ -0,0 +1,56 @@
+#!./perl
+
+# $Header: pipe.t,v 4.0 91/03/20 01:51:02 lwall Locked $
+
+$| = 1;
+print "1..8\n";
+
+open(PIPE, "|-") || (exec 'tr', '[A-Z]', '[a-z]');
+print PIPE "OK 1\n";
+print PIPE "ok 2\n";
+close PIPE;
+
+if (open(PIPE, "-|")) {
+    while(<PIPE>) {
+	s/^not //;
+	print;
+    }
+}
+else {
+    print STDOUT "not ok 3\n";
+    exec 'echo', 'not ok 4';
+}
+
+pipe(READER,WRITER) || die "Can't open pipe";
+
+if ($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";