--- /dev/null
+#include "ntdb-source.h"
+#include "tap-interface.h"
+#include "logging.h"
+#include "helprun-external-agent.h"
+
+int main(int argc, char *argv[])
+{
+ unsigned int i;
+ struct ntdb_used_record rec;
+ struct ntdb_context ntdb = { .log_fn = tap_log_fn };
+
+ plan_tests(64 + 32 + 48*5 + 1);
+
+ /* We should be able to encode any data value. */
+ for (i = 0; i < 64; i++)
+ ok1(set_header(&ntdb, &rec, NTDB_USED_MAGIC, 0, 1ULL << i,
+ 1ULL << i) == 0);
+
+ /* And any key and data with < 64 bits between them. */
+ for (i = 0; i < 32; i++) {
+ ntdb_len_t dlen = 1ULL >> (63 - i), klen = 1ULL << i;
+ ok1(set_header(&ntdb, &rec, NTDB_USED_MAGIC, klen, dlen,
+ klen + dlen) == 0);
+ }
+
+ /* We should neatly encode all values. */
+ for (i = 0; i < 48; i++) {
+ uint64_t klen = 1ULL << (i < 16 ? i : 15);
+ uint64_t dlen = 1ULL << i;
+ uint64_t xlen = 1ULL << (i < 32 ? i : 31);
+ ok1(set_header(&ntdb, &rec, NTDB_USED_MAGIC, klen, dlen,
+ klen+dlen+xlen) == 0);
+ ok1(rec_key_length(&rec) == klen);
+ ok1(rec_data_length(&rec) == dlen);
+ ok1(rec_extra_padding(&rec) == xlen);
+ ok1(rec_magic(&rec) == NTDB_USED_MAGIC);
+ }
+ ok1(tap_log_messages == 0);
+ return exit_status();
+}