git.ozlabs.org Git - ccan/blob - ccan/ntdb/test/run-features.c

   1 #include "ntdb-source.h"
   2 #include "tap-interface.h"
   3 #include "logging.h"
   4 #include "helprun-external-agent.h"
   5
   6 int main(int argc, char *argv[])
   7 {
   8         unsigned int i, j;
   9         struct ntdb_context *ntdb;
  10         int flags[] = { NTDB_DEFAULT, NTDB_NOMMAP,
  11                         NTDB_CONVERT, NTDB_NOMMAP|NTDB_CONVERT };
  12         NTDB_DATA key = { (unsigned char *)&j, sizeof(j) };
  13         NTDB_DATA data = { (unsigned char *)&j, sizeof(j) };
  14
  15         plan_tests(sizeof(flags) / sizeof(flags[0]) * 8 + 1);
  16         for (i = 0; i < sizeof(flags) / sizeof(flags[0]); i++) {
  17                 uint64_t features;
  18                 ntdb = ntdb_open("run-features.ntdb", flags[i]|MAYBE_NOSYNC,
  19                                  O_RDWR|O_CREAT|O_TRUNC, 0600, &tap_log_attr);
  20                 ok1(ntdb);
  21                 if (!ntdb)
  22                         continue;
  23
  24                 /* Put some stuff in there. */
  25                 for (j = 0; j < 100; j++) {
  26                         if (ntdb_store(ntdb, key, data, NTDB_REPLACE) != 0)
  27                                 fail("Storing in ntdb");
  28                 }
  29
  30                 /* Mess with features fields in hdr. */
  31                 features = (~NTDB_FEATURE_MASK ^ 1);
  32                 ok1(ntdb_write_convert(ntdb, offsetof(struct ntdb_header,
  33                                                     features_used),
  34                                       &features, sizeof(features)) == 0);
  35                 ok1(ntdb_write_convert(ntdb, offsetof(struct ntdb_header,
  36                                                     features_offered),
  37                                       &features, sizeof(features)) == 0);
  38                 ntdb_close(ntdb);
  39
  40                 ntdb = ntdb_open("run-features.ntdb", flags[i]|MAYBE_NOSYNC,
  41                                  O_RDWR, 0, &tap_log_attr);
  42                 ok1(ntdb);
  43                 if (!ntdb)
  44                         continue;
  45
  46                 /* Should not have changed features offered. */
  47                 ok1(ntdb_read_convert(ntdb, offsetof(struct ntdb_header,
  48                                                    features_offered),
  49                                      &features, sizeof(features)) == 0);
  50                 ok1(features == (~NTDB_FEATURE_MASK ^ 1));
  51
  52                 /* Should have cleared unknown bits in features_used. */
  53                 ok1(ntdb_read_convert(ntdb, offsetof(struct ntdb_header,
  54                                                    features_used),
  55                                      &features, sizeof(features)) == 0);
  56                 ok1(features == (1 & NTDB_FEATURE_MASK));
  57
  58                 ntdb_close(ntdb);
  59         }
  60
  61         ok1(tap_log_messages == 0);
  62         return exit_status();
  63 }