lib/tdb2/test/run-001-encode.c

   1 #include "tdb2-source.h"
   2 #include <ccan/tap/tap.h>
   3 #include "logging.h"
   4
   5 int main(int argc, char *argv[])
   6 {
   7         unsigned int i;
   8         struct tdb_used_record rec;
   9         struct tdb_context tdb = { .log_fn = tap_log_fn };
  10
  11         plan_tests(64 + 32 + 48*6 + 1);
  12
  13         /* We should be able to encode any data value. */
  14         for (i = 0; i < 64; i++)
  15                 ok1(set_header(&tdb, &rec, TDB_USED_MAGIC, 0, 1ULL << i,
  16                                1ULL << i, 0) == 0);
  17
  18         /* And any key and data with < 64 bits between them. */
  19         for (i = 0; i < 32; i++) {
  20                 tdb_len_t dlen = 1ULL >> (63 - i), klen = 1ULL << i;
  21                 ok1(set_header(&tdb, &rec, TDB_USED_MAGIC, klen, dlen,
  22                                klen + dlen, 0)  == 0);
  23         }
  24
  25         /* We should neatly encode all values. */
  26         for (i = 0; i < 48; i++) {
  27                 uint64_t h = 1ULL << (i < 5 ? i : 4);
  28                 uint64_t klen = 1ULL << (i < 16 ? i : 15);
  29                 uint64_t dlen = 1ULL << i;
  30                 uint64_t xlen = 1ULL << (i < 32 ? i : 31);
  31                 ok1(set_header(&tdb, &rec, TDB_USED_MAGIC, klen, dlen,
  32                                klen+dlen+xlen, h) == 0);
  33                 ok1(rec_key_length(&rec) == klen);
  34                 ok1(rec_data_length(&rec) == dlen);
  35                 ok1(rec_extra_padding(&rec) == xlen);
  36                 ok1((uint64_t)rec_hash(&rec) == h);
  37                 ok1(rec_magic(&rec) == TDB_USED_MAGIC);
  38         }
  39         ok1(tap_log_messages == 0);
  40         return exit_status();
  41 }