--- t/10-xs.t	2008/08/18 18:57:26	24
+++ t/10-xs.t	2008/08/18 19:01:00	25
@@ -5,7 +5,7 @@
 
 use blib;
 
-use Test::More tests => 29;
+use Test::More tests => 31;
 use Test::Exception;
 use Data::Dump qw/dump/;
 
@@ -71,4 +71,9 @@
 
 ok( tcidbvanish( $idb ), 'tcidbvanish' );
 
+my $copy_path = $path . '-copy';
+
+ok( tcidbcopy( $idb, $copy_path ), "tcidbcopy $copy_path" );
+ok( -e $copy_path, 'copy exists' );
+
 diag tcidberrmsg( tcidbecode( $idb ) );