diff options
Diffstat (limited to 'lib/tdb2/test/run-firstkey-nextkey.c')
| -rw-r--r-- | lib/tdb2/test/run-firstkey-nextkey.c | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/lib/tdb2/test/run-firstkey-nextkey.c b/lib/tdb2/test/run-firstkey-nextkey.c new file mode 100644 index 00000000000..65a6090a96b --- /dev/null +++ b/lib/tdb2/test/run-firstkey-nextkey.c @@ -0,0 +1,162 @@ +#include <ccan/tdb2/tdb.c> +#include <ccan/tdb2/open.c> +#include <ccan/tdb2/free.c> +#include <ccan/tdb2/lock.c> +#include <ccan/tdb2/io.c> +#include <ccan/tdb2/hash.c> +#include <ccan/tdb2/check.c> +#include <ccan/tdb2/traverse.c> +#include <ccan/tdb2/transaction.c> +#include <ccan/tap/tap.h> +#include "logging.h" + +#define NUM_RECORDS 1000 + +static bool store_records(struct tdb_context *tdb) +{ + int i; + struct tdb_data key = { (unsigned char *)&i, sizeof(i) }; + struct tdb_data data = { (unsigned char *)&i, sizeof(i) }; + + for (i = 0; i < NUM_RECORDS; i++) + if (tdb_store(tdb, key, data, TDB_REPLACE) != 0) + return false; + return true; +} + +struct trav_data { + unsigned int records[NUM_RECORDS]; + unsigned int calls; +}; + +static int trav(struct tdb_context *tdb, TDB_DATA key, TDB_DATA dbuf, void *p) +{ + struct trav_data *td = p; + int val; + + memcpy(&val, dbuf.dptr, dbuf.dsize); + td->records[td->calls++] = val; + return 0; +} + +/* Since tdb_nextkey frees dptr, we need to clone it. */ +static TDB_DATA dup_key(TDB_DATA key) +{ + void *p = malloc(key.dsize); + memcpy(p, key.dptr, key.dsize); + key.dptr = p; + return key; +} + +int main(int argc, char *argv[]) +{ + unsigned int i, j; + int num; + struct trav_data td; + TDB_DATA k; + struct tdb_context *tdb; + union tdb_attribute seed_attr; + enum TDB_ERROR ecode; + + int flags[] = { TDB_INTERNAL, TDB_DEFAULT, TDB_NOMMAP, + TDB_INTERNAL|TDB_CONVERT, TDB_CONVERT, + TDB_NOMMAP|TDB_CONVERT }; + + seed_attr.base.attr = TDB_ATTRIBUTE_SEED; + seed_attr.base.next = &tap_log_attr; + seed_attr.seed.seed = 6334326220117065685ULL; + + plan_tests(sizeof(flags) / sizeof(flags[0]) + * (NUM_RECORDS*6 + (NUM_RECORDS-1)*3 + 22) + 1); + for (i = 0; i < sizeof(flags) / sizeof(flags[0]); i++) { + tdb = tdb_open("run-traverse.tdb", flags[i], + O_RDWR|O_CREAT|O_TRUNC, 0600, &seed_attr); + ok1(tdb); + if (!tdb) + continue; + + ok1(tdb_firstkey(tdb, &k) == TDB_ERR_NOEXIST); + + /* One entry... */ + k.dptr = (unsigned char *)# + k.dsize = sizeof(num); + num = 0; + ok1(tdb_store(tdb, k, k, TDB_INSERT) == 0); + ok1(tdb_firstkey(tdb, &k) == TDB_SUCCESS); + ok1(k.dsize == sizeof(num)); + ok1(memcmp(k.dptr, &num, sizeof(num)) == 0); + ok1(tdb_nextkey(tdb, &k) == TDB_ERR_NOEXIST); + + /* Two entries. */ + k.dptr = (unsigned char *)# + k.dsize = sizeof(num); + num = 1; + ok1(tdb_store(tdb, k, k, TDB_INSERT) == 0); + ok1(tdb_firstkey(tdb, &k) == TDB_SUCCESS); + ok1(k.dsize == sizeof(num)); + memcpy(&num, k.dptr, sizeof(num)); + ok1(num == 0 || num == 1); + ok1(tdb_nextkey(tdb, &k) == TDB_SUCCESS); + ok1(k.dsize == sizeof(j)); + memcpy(&j, k.dptr, sizeof(j)); + ok1(j == 0 || j == 1); + ok1(j != num); + ok1(tdb_nextkey(tdb, &k) == TDB_ERR_NOEXIST); + + /* Clean up. */ + k.dptr = (unsigned char *)# + k.dsize = sizeof(num); + num = 0; + ok1(tdb_delete(tdb, k) == 0); + num = 1; + ok1(tdb_delete(tdb, k) == 0); + + /* Now lots of records. */ + ok1(store_records(tdb)); + td.calls = 0; + + num = tdb_traverse(tdb, trav, &td); + ok1(num == NUM_RECORDS); + ok1(td.calls == NUM_RECORDS); + + /* Simple loop should match tdb_traverse */ + for (j = 0, ecode = tdb_firstkey(tdb, &k); j < td.calls; j++) { + int val; + + ok1(ecode == TDB_SUCCESS); + ok1(k.dsize == sizeof(val)); + memcpy(&val, k.dptr, k.dsize); + ok1(td.records[j] == val); + ecode = tdb_nextkey(tdb, &k); + } + + /* But arbitrary orderings should work too. */ + for (j = td.calls-1; j > 0; j--) { + k.dptr = (unsigned char *)&td.records[j-1]; + k.dsize = sizeof(td.records[j-1]); + k = dup_key(k); + ok1(tdb_nextkey(tdb, &k) == TDB_SUCCESS); + ok1(k.dsize == sizeof(td.records[j])); + ok1(memcmp(k.dptr, &td.records[j], k.dsize) == 0); + free(k.dptr); + } + + /* Even delete should work. */ + for (j = 0, ecode = tdb_firstkey(tdb, &k); + ecode != TDB_ERR_NOEXIST; + j++) { + ok1(ecode == TDB_SUCCESS); + ok1(k.dsize == 4); + ok1(tdb_delete(tdb, k) == 0); + ecode = tdb_nextkey(tdb, &k); + } + + diag("delete using first/nextkey gave %u of %u records", + j, NUM_RECORDS); + ok1(j == NUM_RECORDS); + tdb_close(tdb); + } + + ok1(tap_log_messages == 0); + return exit_status(); +} |