git.ozlabs.org Git - ccan/blob - junkcode/rusty@rustcorp.com.au-ntdb/test/run-05-readonly-open.c

   1 #include <ccan/failtest/failtest_override.h>
   2 #include "ntdb-source.h"
   3 #include "tap-interface.h"
   4 #include <ccan/failtest/failtest.h>
   5 #include "logging.h"
   6 #include "failtest_helper.h"
   7 #include "helprun-external-agent.h"
   8
   9 int main(int argc, char *argv[])
  10 {
  11         unsigned int i;
  12         struct ntdb_context *ntdb;
  13         int flags[] = { NTDB_DEFAULT, NTDB_NOMMAP,
  14                         NTDB_CONVERT, NTDB_NOMMAP|NTDB_CONVERT };
  15         NTDB_DATA key = ntdb_mkdata("key", 3);
  16         NTDB_DATA data = ntdb_mkdata("data", 4), d;
  17         union ntdb_attribute seed_attr;
  18         unsigned int msgs = 0;
  19
  20         failtest_init(argc, argv);
  21         failtest_hook = block_repeat_failures;
  22         failtest_exit_check = exit_check_log;
  23
  24         seed_attr.base.attr = NTDB_ATTRIBUTE_SEED;
  25         seed_attr.base.next = &tap_log_attr;
  26         seed_attr.seed.seed = 0;
  27
  28         failtest_suppress = true;
  29         plan_tests(sizeof(flags) / sizeof(flags[0]) * 11);
  30         for (i = 0; i < sizeof(flags) / sizeof(flags[0]); i++) {
  31                 ntdb = ntdb_open("run-05-readonly-open.ntdb",
  32                                  flags[i]|MAYBE_NOSYNC,
  33                                  O_RDWR|O_CREAT|O_TRUNC, 0600,
  34                                  &seed_attr);
  35                 ok1(ntdb_store(ntdb, key, data, NTDB_INSERT) == 0);
  36                 ntdb_close(ntdb);
  37
  38                 failtest_suppress = false;
  39                 ntdb = ntdb_open("run-05-readonly-open.ntdb",
  40                                  flags[i]|MAYBE_NOSYNC,
  41                                  O_RDONLY, 0600, &tap_log_attr);
  42                 if (!ok1(ntdb))
  43                         break;
  44                 ok1(tap_log_messages == msgs);
  45                 /* Fetch should succeed, stores should fail. */
  46                 if (!ok1(ntdb_fetch(ntdb, key, &d) == 0))
  47                         goto fail;
  48                 ok1(ntdb_deq(d, data));
  49                 free(d.dptr);
  50                 if (!ok1(ntdb_store(ntdb, key, data, NTDB_MODIFY)
  51                          == NTDB_ERR_RDONLY))
  52                         goto fail;
  53                 ok1(tap_log_messages == ++msgs);
  54                 if (!ok1(ntdb_store(ntdb, key, data, NTDB_INSERT)
  55                          == NTDB_ERR_RDONLY))
  56                         goto fail;
  57                 ok1(tap_log_messages == ++msgs);
  58                 failtest_suppress = true;
  59                 ok1(ntdb_check(ntdb, NULL, NULL) == 0);
  60                 ntdb_close(ntdb);
  61                 ok1(tap_log_messages == msgs);
  62                 /* SIGH: failtest bug, it doesn't save the ntdb file because
  63                  * we have it read-only.  If we go around again, it gets
  64                  * changed underneath us and things get screwy. */
  65                 if (failtest_has_failed())
  66                         break;
  67         }
  68         failtest_exit(exit_status());
  69
  70 fail:
  71         failtest_suppress = true;
  72         ntdb_close(ntdb);
  73         failtest_exit(exit_status());
  74
  75         /*
  76          * We will never reach this but the compiler complains if we do not
  77          * return in this function.
  78          */
  79         return EFAULT;
  80 }