lib/ntdb/test/run-50-multiple-freelists.c

   1 #include "ntdb-source.h"
   2 #include "tap-interface.h"
   3 #include "logging.h"
   4 #include "layout.h"
   5
   6 int main(int argc, char *argv[])
   7 {
   8         ntdb_off_t off;
   9         struct ntdb_context *ntdb;
  10         struct ntdb_layout *layout;
  11         NTDB_DATA key, data;
  12         union ntdb_attribute seed;
  13
  14         /* This seed value previously tickled a layout.c bug. */
  15         seed.base.attr = NTDB_ATTRIBUTE_SEED;
  16         seed.seed.seed = 0xb1142bc054d035b4ULL;
  17         seed.base.next = &tap_log_attr;
  18
  19         plan_tests(11);
  20         key = ntdb_mkdata("Hello", 5);
  21         data = ntdb_mkdata("world", 5);
  22
  23         /* Create a NTDB with three free tables. */
  24         layout = new_ntdb_layout();
  25         ntdb_layout_add_freetable(layout);
  26         ntdb_layout_add_freetable(layout);
  27         ntdb_layout_add_freetable(layout);
  28         ntdb_layout_add_free(layout, 80, 0);
  29         /* Used record prevent coalescing. */
  30         ntdb_layout_add_used(layout, key, data, 6);
  31         ntdb_layout_add_free(layout, 160, 1);
  32         key.dsize--;
  33         ntdb_layout_add_used(layout, key, data, 7);
  34         ntdb_layout_add_free(layout, 320, 2);
  35         key.dsize--;
  36         ntdb_layout_add_used(layout, key, data, 8);
  37         ntdb_layout_add_free(layout, 40, 0);
  38         ntdb = ntdb_layout_get(layout, free, &seed);
  39         ok1(ntdb_check(ntdb, NULL, NULL) == 0);
  40
  41         off = get_free(ntdb, 0, 80 - sizeof(struct ntdb_used_record), 0,
  42                        NTDB_USED_MAGIC);
  43         ok1(off == layout->elem[3].base.off);
  44         ok1(ntdb->ftable_off == layout->elem[0].base.off);
  45
  46         off = get_free(ntdb, 0, 160 - sizeof(struct ntdb_used_record), 0,
  47                        NTDB_USED_MAGIC);
  48         ok1(off == layout->elem[5].base.off);
  49         ok1(ntdb->ftable_off == layout->elem[1].base.off);
  50
  51         off = get_free(ntdb, 0, 320 - sizeof(struct ntdb_used_record), 0,
  52                        NTDB_USED_MAGIC);
  53         ok1(off == layout->elem[7].base.off);
  54         ok1(ntdb->ftable_off == layout->elem[2].base.off);
  55
  56         off = get_free(ntdb, 0, 40 - sizeof(struct ntdb_used_record), 0,
  57                        NTDB_USED_MAGIC);
  58         ok1(off == layout->elem[9].base.off);
  59         ok1(ntdb->ftable_off == layout->elem[0].base.off);
  60
  61         /* Now we fail. */
  62         off = get_free(ntdb, 0, 0, 1, NTDB_USED_MAGIC);
  63         ok1(off == 0);
  64
  65         ntdb_close(ntdb);
  66         ntdb_layout_free(layout);
  67
  68         ok1(tap_log_messages == 0);
  69         return exit_status();
  70 }