lib/tdb/test/run-nested-transactions.c

   1 #include "../common/tdb_private.h"
   2 #include "../common/io.c"
   3 #include "../common/tdb.c"
   4 #include "../common/lock.c"
   5 #include "../common/freelist.c"
   6 #include "../common/traverse.c"
   7 #include "../common/transaction.c"
   8 #include "../common/error.c"
   9 #include "../common/open.c"
  10 #include "../common/check.c"
  11 #include "../common/hash.c"
  12 #include "tap-interface.h"
  13 #include <stdlib.h>
  14 #include <stdbool.h>
  15 #include "logging.h"
  16
  17 int main(int argc, char *argv[])
  18 {
  19         struct tdb_context *tdb;
  20         TDB_DATA key, data;
  21
  22         plan_tests(27);
  23         key.dsize = strlen("hi");
  24         key.dptr = (void *)"hi";
  25
  26         tdb = tdb_open_ex("run-nested-transactions.tdb",
  27                           1024, TDB_CLEAR_IF_FIRST|TDB_DISALLOW_NESTING,
  28                           O_CREAT|O_TRUNC|O_RDWR, 0600, &taplogctx, NULL);
  29         ok1(tdb);
  30
  31         /* Nesting disallowed. */
  32         ok1(tdb_transaction_start(tdb) == 0);
  33         data.dptr = (void *)"world";
  34         data.dsize = strlen("world");
  35         ok1(tdb_store(tdb, key, data, TDB_INSERT) == 0);
  36         data = tdb_fetch(tdb, key);
  37         ok1(data.dsize == strlen("world"));
  38         ok1(memcmp(data.dptr, "world", strlen("world")) == 0);
  39         free(data.dptr);
  40         ok1(tdb_transaction_start(tdb) != 0);
  41         ok1(tdb_error(tdb) == TDB_ERR_NESTING);
  42
  43         data = tdb_fetch(tdb, key);
  44         ok1(data.dsize == strlen("world"));
  45         ok1(memcmp(data.dptr, "world", strlen("world")) == 0);
  46         free(data.dptr);
  47         ok1(tdb_transaction_commit(tdb) == 0);
  48         data = tdb_fetch(tdb, key);
  49         ok1(data.dsize == strlen("world"));
  50         ok1(memcmp(data.dptr, "world", strlen("world")) == 0);
  51         free(data.dptr);
  52         tdb_close(tdb);
  53
  54         /* Nesting allowed by default */
  55         tdb = tdb_open_ex("run-nested-transactions.tdb",
  56                           1024, TDB_DEFAULT, O_RDWR, 0, &taplogctx, NULL);
  57         ok1(tdb);
  58
  59         ok1(tdb_transaction_start(tdb) == 0);
  60         ok1(tdb_transaction_start(tdb) == 0);
  61         ok1(tdb_delete(tdb, key) == 0);
  62         ok1(tdb_transaction_commit(tdb) == 0);
  63         ok1(!tdb_exists(tdb, key));
  64         ok1(tdb_transaction_cancel(tdb) == 0);
  65         /* Surprise! Kills inner "committed" transaction. */
  66         ok1(tdb_exists(tdb, key));
  67
  68         ok1(tdb_transaction_start(tdb) == 0);
  69         ok1(tdb_transaction_start(tdb) == 0);
  70         ok1(tdb_delete(tdb, key) == 0);
  71         ok1(tdb_transaction_commit(tdb) == 0);
  72         ok1(!tdb_exists(tdb, key));
  73         ok1(tdb_transaction_commit(tdb) == 0);
  74         ok1(!tdb_exists(tdb, key));
  75         tdb_close(tdb);
  76
  77         return exit_status();
  78 }