git.ozlabs.org Git - ccan/blob - ccan/tdb2/test/run-features.c

   1 #include "tdb2-source.h"
   2 #include <ccan/tap/tap.h>
   3 #include "logging.h"
   4
   5 int main(int argc, char *argv[])
   6 {
   7         unsigned int i, j;
   8         struct tdb_context *tdb;
   9         int flags[] = { TDB_DEFAULT, TDB_NOMMAP,
  10                         TDB_CONVERT, TDB_NOMMAP|TDB_CONVERT };
  11         struct tdb_data key = { (unsigned char *)&j, sizeof(j) };
  12         struct tdb_data data = { (unsigned char *)&j, sizeof(j) };
  13
  14         plan_tests(sizeof(flags) / sizeof(flags[0]) * 8 + 1);
  15         for (i = 0; i < sizeof(flags) / sizeof(flags[0]); i++) {
  16                 uint64_t features;
  17                 tdb = tdb_open("run-features.tdb", flags[i],
  18                                O_RDWR|O_CREAT|O_TRUNC, 0600, &tap_log_attr);
  19                 ok1(tdb);
  20                 if (!tdb)
  21                         continue;
  22
  23                 /* Put some stuff in there. */
  24                 for (j = 0; j < 100; j++) {
  25                         if (tdb_store(tdb, key, data, TDB_REPLACE) != 0)
  26                                 fail("Storing in tdb");
  27                 }
  28
  29                 /* Mess with features fields in hdr. */
  30                 features = (~TDB_FEATURE_MASK ^ 1);
  31                 ok1(tdb_write_convert(tdb, offsetof(struct tdb_header,
  32                                                     features_used),
  33                                       &features, sizeof(features)) == 0);
  34                 ok1(tdb_write_convert(tdb, offsetof(struct tdb_header,
  35                                                     features_offered),
  36                                       &features, sizeof(features)) == 0);
  37                 tdb_close(tdb);
  38
  39                 tdb = tdb_open("run-features.tdb", flags[i], O_RDWR, 0,
  40                                &tap_log_attr);
  41                 ok1(tdb);
  42                 if (!tdb)
  43                         continue;
  44
  45                 /* Should not have changed features offered. */
  46                 ok1(tdb_read_convert(tdb, offsetof(struct tdb_header,
  47                                                    features_offered),
  48                                      &features, sizeof(features)) == 0);
  49                 ok1(features == (~TDB_FEATURE_MASK ^ 1));
  50
  51                 /* Should have cleared unknown bits in features_used. */
  52                 ok1(tdb_read_convert(tdb, offsetof(struct tdb_header,
  53                                                    features_used),
  54                                      &features, sizeof(features)) == 0);
  55                 ok1(features == (1 & TDB_FEATURE_MASK));
  56
  57                 tdb_close(tdb);
  58         }
  59
  60         ok1(tap_log_messages == 0);
  61         return exit_status();
  62 }
  63
  64