1 files changed, 33 insertions, 0 deletions
diff --git a/contrib/perl5/t/lib/io_const.t b/contrib/perl5/t/lib/io_const.t
new file mode 100755
index 0000000..48cb6b5
--- /dev/null
+++ b/contrib/perl5/t/lib/io_const.t
@@ -0,0 +1,33 @@
+
+BEGIN {
+    unless(grep /blib/, @INC) {
+	chdir 't' if -d 't';
+	unshift @INC, '../lib' if -d '../lib';
+    }
+}
+
+use Config;
+
+BEGIN {
+    if(-d "lib" && -f "TEST") {
+        if ($Config{'extensions'} !~ /\bIO\b/ && $^O ne 'VMS') {
+	    print "1..0\n";
+	    exit 0;
+        }
+    }
+}
+
+use IO::Handle;
+
+print "1..6\n";
+my $i = 1;
+foreach (qw(SEEK_SET SEEK_CUR SEEK_END     _IOFBF    _IOLBF    _IONBF)) {
+    my $d1 = defined(&{"IO::Handle::" . $_}) ? 1 : 0;
+    my $v1 = $d1 ? &{"IO::Handle::" . $_}() : undef;
+    my $v2 = IO::Handle::constant($_);
+    my $d2 = defined($v2);
+
+    print "not "
+	if($d1 != $d2 || ($d1 && ($v1 != $v2)));
+    print "ok ",$i++,"\n";
+}