lib/tdb2/test/api-missing-entries.c

   1 /* Another test revealed that we lost an entry.  This reproduces it. */
   2 #include <ccan/tdb2/tdb2.h>
   3 #include <ccan/hash/hash.h>
   4 #include <ccan/tap/tap.h>
   5 #include <sys/types.h>
   6 #include <sys/stat.h>
   7 #include <fcntl.h>
   8 #include "logging.h"
   9
  10 #define NUM_RECORDS 1189
  11
  12 /* We use the same seed which we saw this failure on. */
  13 static uint64_t failhash(const void *key, size_t len, uint64_t seed, void *p)
  14 {
  15         seed = 699537674708983027ULL;
  16         return hash64_stable((const unsigned char *)key, len, seed);
  17 }
  18
  19 int main(int argc, char *argv[])
  20 {
  21         int i;
  22         struct tdb_context *tdb;
  23         struct tdb_data key = { (unsigned char *)&i, sizeof(i) };
  24         struct tdb_data data = { (unsigned char *)&i, sizeof(i) };
  25         union tdb_attribute hattr = { .hash = { .base = { TDB_ATTRIBUTE_HASH },
  26                                                 .fn = failhash } };
  27
  28         hattr.base.next = &tap_log_attr;
  29         plan_tests(1 + NUM_RECORDS + 2);
  30
  31         tdb = tdb_open("run-missing-entries.tdb", TDB_INTERNAL,
  32                        O_RDWR|O_CREAT|O_TRUNC, 0600, &hattr);
  33         if (ok1(tdb)) {
  34                 for (i = 0; i < NUM_RECORDS; i++) {
  35                         ok1(tdb_store(tdb, key, data, TDB_REPLACE) == 0);
  36                 }
  37                 ok1(tdb_check(tdb, NULL, NULL) == 0);
  38                 tdb_close(tdb);
  39         }
  40
  41         ok1(tap_log_messages == 0);
  42         return exit_status();
  43 }