+ok( $o->lpush( $list => "l$_" ), 'lpush' ) foreach ( 1 .. 2 );
+
+cmp_ok( $o->llen($list), '==', 5, 'llen' );
+
+is_deeply( [ $o->lrange( $list, 0, 1 ) ], [ 'l2', 'l1' ], 'lrange' );
+
+ok( $o->ltrim( $list, 2, 3 ), 'ltrim' );
+cmp_ok( $o->llen($list), '==', 2, 'llen after ltrim' );