git.ozlabs.org Git - ccan/blob - ccan/tdb2/test/run-tdb1-nested-transactions.c

   1 #include "tdb2-source.h"
   2 #include <ccan/tap/tap.h>
   3 #include <stdlib.h>
   4 #include <stdbool.h>
   5 #include <err.h>
   6 #include "logging.h"
   7
   8 int main(int argc, char *argv[])
   9 {
  10         struct tdb_context *tdb;
  11         TDB_DATA key, data;
  12         union tdb_attribute hsize;
  13
  14         hsize.base.attr = TDB_ATTRIBUTE_TDB1_HASHSIZE;
  15         hsize.base.next = &tap_log_attr;
  16         hsize.tdb1_hashsize.hsize = 1024;
  17
  18         plan_tests(29);
  19         key.dsize = strlen("hi");
  20         key.dptr = (void *)"hi";
  21
  22         tdb = tdb_open("run-nested-transactions.tdb1",
  23                        TDB_VERSION1, O_CREAT|O_TRUNC|O_RDWR, 0600, &hsize);
  24         ok1(tdb);
  25
  26         /* No nesting by default. */
  27         ok1(tdb_transaction_start(tdb) == TDB_SUCCESS);
  28         data.dptr = (void *)"world";
  29         data.dsize = strlen("world");
  30         ok1(tdb_store(tdb, key, data, TDB_INSERT) == TDB_SUCCESS);
  31         ok1(tdb_fetch(tdb, key, &data) == TDB_SUCCESS);
  32         ok1(data.dsize == strlen("world"));
  33         ok1(memcmp(data.dptr, "world", strlen("world")) == 0);
  34         free(data.dptr);
  35         ok1(tdb_transaction_start(tdb) == TDB_ERR_EINVAL);
  36
  37         ok1(tdb_fetch(tdb, key, &data) == TDB_SUCCESS);
  38         ok1(data.dsize == strlen("world"));
  39         ok1(memcmp(data.dptr, "world", strlen("world")) == 0);
  40         free(data.dptr);
  41         ok1(tdb_transaction_commit(tdb) == TDB_SUCCESS);
  42         ok1(tdb_fetch(tdb, key, &data) == TDB_SUCCESS);
  43         ok1(data.dsize == strlen("world"));
  44         ok1(memcmp(data.dptr, "world", strlen("world")) == 0);
  45         free(data.dptr);
  46         tdb_close(tdb);
  47
  48         tdb = tdb_open("run-nested-transactions.tdb1",
  49                        TDB_ALLOW_NESTING, O_RDWR, 0, &tap_log_attr);
  50         ok1(tdb);
  51
  52         ok1(tdb_transaction_start(tdb) == TDB_SUCCESS);
  53         ok1(tdb_transaction_start(tdb) == TDB_SUCCESS);
  54         ok1(tdb_delete(tdb, key) == TDB_SUCCESS);
  55         ok1(tdb_transaction_commit(tdb) == TDB_SUCCESS);
  56         ok1(!tdb_exists(tdb, key));
  57         tdb_transaction_cancel(tdb);
  58         ok1(tap_log_messages == 0);
  59         /* Surprise! Kills inner "committed" transaction. */
  60         ok1(tdb_exists(tdb, key));
  61
  62         ok1(tdb_transaction_start(tdb) == TDB_SUCCESS);
  63         ok1(tdb_transaction_start(tdb) == TDB_SUCCESS);
  64         ok1(tdb_delete(tdb, key) == TDB_SUCCESS);
  65         ok1(tdb_transaction_commit(tdb) == TDB_SUCCESS);
  66         ok1(!tdb_exists(tdb, key));
  67         ok1(tdb_transaction_commit(tdb) == TDB_SUCCESS);
  68         ok1(!tdb_exists(tdb, key));
  69         tdb_close(tdb);
  70
  71         return exit_status();
  72 }