--- /dev/null
+#!/usr/bin/perl
+
+use strict;
+use warnings;
+
+use Test::More tests => 3;
+
+use vars qw($debug $cgi_debug);
+
+BEGIN {
+ diag "BEFORE use: \$debug is " . (defined $debug ? $debug : 'not defined');
+ diag "BEFORE use: \$cgi_debug is " . (defined $cgi_debug ? $cgi_debug : 'not defined');
+ use_ok('C4::Debug');
+}
+
+diag " AFTER use: \$debug is " . (defined $debug ? $debug : 'not defined');
+diag " AFTER use: \$cgi_debug is " . (defined $cgi_debug ? $cgi_debug : 'not defined');
+ok(defined $debug, " \$debug defined and imported.");
+ok(defined $cgi_debug, "\$cgi_debug defined and imported.");
+
+diag "Done.";