+ ok( my $blocks = $o->read_blocks( $tag ), "read_blocks $tag" );
+
+ my $pattern = "\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F";
+ ok( $o->write_blocks( $tag, $pattern ), "write_blocks $tag" );
+
+ $pattern = "0123456789ABCDEF.....";
+ ok( $o->write_blocks( $tag, $pattern ), "write_blocks $tag" );
+
+# ok( $o->write_blocks( $tag, $blocks->{$tag} ), "write_blocks $tag" );
+
+}
+
+done_testing;