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

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