lib/tdb2/test/api-81-seqnum.c

   1 #include <ccan/tdb2/tdb2.h>
   2 #include <ccan/tap/tap.h>
   3 #include <sys/types.h>
   4 #include <sys/stat.h>
   5 #include <fcntl.h>
   6 #include <stdlib.h>
   7 #include "logging.h"
   8
   9 int main(int argc, char *argv[])
  10 {
  11         unsigned int i, seq;
  12         struct tdb_context *tdb;
  13         struct tdb_data d = { NULL, 0 }; /* Bogus GCC warning */
  14         struct tdb_data key = tdb_mkdata("key", 3);
  15         struct tdb_data data = tdb_mkdata("data", 4);
  16         int flags[] = { TDB_INTERNAL, TDB_DEFAULT, TDB_NOMMAP,
  17                         TDB_INTERNAL|TDB_CONVERT, TDB_CONVERT,
  18                         TDB_NOMMAP|TDB_CONVERT,
  19                         TDB_INTERNAL|TDB_VERSION1, TDB_VERSION1,
  20                         TDB_NOMMAP|TDB_VERSION1,
  21                         TDB_INTERNAL|TDB_CONVERT|TDB_VERSION1,
  22                         TDB_CONVERT|TDB_VERSION1,
  23                         TDB_NOMMAP|TDB_CONVERT|TDB_VERSION1 };
  24
  25         plan_tests(sizeof(flags) / sizeof(flags[0]) * 15 + 8 * 13);
  26         for (i = 0; i < sizeof(flags) / sizeof(flags[0]); i++) {
  27                 tdb = tdb_open("api-81-seqnum.tdb", flags[i]|TDB_SEQNUM,
  28                                O_RDWR|O_CREAT|O_TRUNC, 0600, &tap_log_attr);
  29                 if (!ok1(tdb))
  30                         continue;
  31
  32                 seq = 0;
  33                 ok1(tdb_get_seqnum(tdb) == seq);
  34                 ok1(tdb_store(tdb, key, data, TDB_INSERT) == 0);
  35                 ok1(tdb_get_seqnum(tdb) == ++seq);
  36                 /* Fetch doesn't change seqnum */
  37                 if (ok1(tdb_fetch(tdb, key, &d) == TDB_SUCCESS))
  38                         free(d.dptr);
  39                 ok1(tdb_get_seqnum(tdb) == seq);
  40                 ok1(tdb_append(tdb, key, data) == TDB_SUCCESS);
  41                 /* Append in tdb1 (or store over value) bumps twice! */
  42                 if (flags[i] & TDB_VERSION1)
  43                         seq++;
  44                 ok1(tdb_get_seqnum(tdb) == ++seq);
  45
  46                 ok1(tdb_delete(tdb, key) == TDB_SUCCESS);
  47                 ok1(tdb_get_seqnum(tdb) == ++seq);
  48                 /* Empty append works */
  49                 ok1(tdb_append(tdb, key, data) == TDB_SUCCESS);
  50                 ok1(tdb_get_seqnum(tdb) == ++seq);
  51
  52                 ok1(tdb_wipe_all(tdb) == TDB_SUCCESS);
  53                 ok1(tdb_get_seqnum(tdb) == ++seq);
  54
  55                 if (!(flags[i] & TDB_INTERNAL)) {
  56                         ok1(tdb_transaction_start(tdb) == TDB_SUCCESS);
  57                         ok1(tdb_store(tdb, key, data, TDB_INSERT) == 0);
  58                         ok1(tdb_get_seqnum(tdb) == ++seq);
  59                         /* Append in tdb1 (or store over value) bumps twice! */
  60                         if (flags[i] & TDB_VERSION1)
  61                                 seq++;
  62                         ok1(tdb_append(tdb, key, data) == TDB_SUCCESS);
  63                         ok1(tdb_get_seqnum(tdb) == ++seq);
  64                         ok1(tdb_delete(tdb, key) == TDB_SUCCESS);
  65                         ok1(tdb_get_seqnum(tdb) == ++seq);
  66                         ok1(tdb_transaction_commit(tdb) == TDB_SUCCESS);
  67                         ok1(tdb_get_seqnum(tdb) == seq);
  68
  69                         ok1(tdb_transaction_start(tdb) == TDB_SUCCESS);
  70                         ok1(tdb_store(tdb, key, data, TDB_INSERT) == 0);
  71                         ok1(tdb_get_seqnum(tdb) == seq + 1);
  72                         tdb_transaction_cancel(tdb);
  73                         ok1(tdb_get_seqnum(tdb) == seq);
  74                 }
  75                 tdb_close(tdb);
  76                 ok1(tap_log_messages == 0);
  77         }
  78         return exit_status();
  79 }