1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
#include "tdb2-source.h"
#include <ccan/tap/tap.h>
#include "logging.h"
#include "layout.h"
int main(int argc, char *argv[])
{
tdb_off_t off;
struct tdb_context *tdb;
struct tdb_layout *layout;
TDB_DATA key, data;
union tdb_attribute seed;
/* This seed value previously tickled a layout.c bug. */
seed.base.attr = TDB_ATTRIBUTE_SEED;
seed.seed.seed = 0xb1142bc054d035b4ULL;
seed.base.next = &tap_log_attr;
plan_tests(11);
key = tdb_mkdata("Hello", 5);
data = tdb_mkdata("world", 5);
/* Create a TDB with three free tables. */
layout = new_tdb_layout();
tdb_layout_add_freetable(layout);
tdb_layout_add_freetable(layout);
tdb_layout_add_freetable(layout);
tdb_layout_add_free(layout, 80, 0);
/* Used record prevent coalescing. */
tdb_layout_add_used(layout, key, data, 6);
tdb_layout_add_free(layout, 160, 1);
key.dsize--;
tdb_layout_add_used(layout, key, data, 7);
tdb_layout_add_free(layout, 320, 2);
key.dsize--;
tdb_layout_add_used(layout, key, data, 8);
tdb_layout_add_free(layout, 40, 0);
tdb = tdb_layout_get(layout, &seed);
ok1(tdb_check(tdb, NULL, NULL) == 0);
off = get_free(tdb, 0, 80 - sizeof(struct tdb_used_record), 0,
TDB_USED_MAGIC, 0);
ok1(off == layout->elem[3].base.off);
ok1(tdb->tdb2.ftable_off == layout->elem[0].base.off);
off = get_free(tdb, 0, 160 - sizeof(struct tdb_used_record), 0,
TDB_USED_MAGIC, 0);
ok1(off == layout->elem[5].base.off);
ok1(tdb->tdb2.ftable_off == layout->elem[1].base.off);
off = get_free(tdb, 0, 320 - sizeof(struct tdb_used_record), 0,
TDB_USED_MAGIC, 0);
ok1(off == layout->elem[7].base.off);
ok1(tdb->tdb2.ftable_off == layout->elem[2].base.off);
off = get_free(tdb, 0, 40 - sizeof(struct tdb_used_record), 0,
TDB_USED_MAGIC, 0);
ok1(off == layout->elem[9].base.off);
ok1(tdb->tdb2.ftable_off == layout->elem[0].base.off);
/* Now we fail. */
off = get_free(tdb, 0, 0, 1, TDB_USED_MAGIC, 0);
ok1(off == 0);
tdb_close(tdb);
tdb_layout_free(layout);
ok1(tap_log_messages == 0);
return exit_status();
}
|
