-#Net::Z3950::ZOOM::resultset_records($rs, [ $rec ], 0, 1);
+my $tmp = Net::Z3950::ZOOM::resultset_records($rs, 0, 2, 0);
+ok(!defined $tmp, "resultset_records() returns undef as expected");
+$rec = Net::Z3950::ZOOM::resultset_record_immediate($rs, 0);
+ok(defined $rec, "_immediate(0) ok after resultset_records()");
+# Fetch all records at once using records()
+$tmp = Net::Z3950::ZOOM::resultset_records($rs, 0, 2, 1);
+ok(@$tmp == 2, "resultset_records() returned two records");
+$data3 = Net::Z3950::ZOOM::record_get($tmp->[0], "render", $len);
+ok($data3 eq $data2, "record returned from resultset_records() renders as expected");
+$rec = Net::Z3950::ZOOM::resultset_record_immediate($rs, 1);
+ok(defined $rec, "_immediate(1) ok after resultset_records()");