tdb2: transaction support

[ccan] / ccan / tdb2 / test / run-55-transaction.c

diff --git a/ccan/tdb2/test/run-55-transaction.c b/ccan/tdb2/test/run-55-transaction.c
new file mode 100644 (file)
index 0000000..4c0dcab
--- /dev/null
+++ b/ccan/tdb2/test/run-55-transaction.c
@@ -0,0 +1,73 @@
+#include <ccan/tdb2/tdb.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/transaction.c>
+#include <ccan/tap/tap.h>
+#include "logging.h"
+
+int main(int argc, char *argv[])
+{
+       unsigned int i;
+       struct tdb_context *tdb;
+       unsigned char *buffer;
+       int flags[] = { TDB_DEFAULT, TDB_NOMMAP,
+                       TDB_CONVERT, TDB_NOMMAP|TDB_CONVERT };
+       struct tdb_data key = { (unsigned char *)"key", 3 };
+       struct tdb_data data;
+
+       buffer = malloc(1000);
+       for (i = 0; i < 1000; i++)
+               buffer[i] = i;
+
+       plan_tests(sizeof(flags) / sizeof(flags[0]) * 18 + 1);
+
+       for (i = 0; i < sizeof(flags) / sizeof(flags[0]); i++) {
+               tdb = tdb_open("run-55-transaction.tdb", flags[i],
+                              O_RDWR|O_CREAT|O_TRUNC, 0600, &tap_log_attr);
+               ok1(tdb);
+               if (!tdb)
+                       continue;
+
+               ok1(tdb_transaction_start(tdb) == 0);
+               data.dptr = buffer;
+               data.dsize = 1000;
+               ok1(tdb_store(tdb, key, data, TDB_INSERT) == 0);
+               data = tdb_fetch(tdb, key);
+               ok1(data.dsize == 1000);
+               ok1(memcmp(data.dptr, buffer, data.dsize) == 0);
+               free(data.dptr);
+
+               /* Cancelling a transaction means no store */
+               tdb_transaction_cancel(tdb);
+               ok1(tdb->allrecord_lock.count == 0 && tdb->num_lockrecs == 0);
+               ok1(tdb_check(tdb, NULL, NULL) == 0);
+               data = tdb_fetch(tdb, key);
+               ok1(data.dsize == 0);
+               ok1(data.dptr == NULL);
+
+               /* Commit the transaction. */
+               ok1(tdb_transaction_start(tdb) == 0);
+               data.dptr = buffer;
+               data.dsize = 1000;
+               ok1(tdb_store(tdb, key, data, TDB_INSERT) == 0);
+               data = tdb_fetch(tdb, key);
+               ok1(data.dsize == 1000);
+               ok1(memcmp(data.dptr, buffer, data.dsize) == 0);
+               free(data.dptr);
+               ok1(tdb_transaction_commit(tdb) == 0);
+               ok1(tdb->allrecord_lock.count == 0 && tdb->num_lockrecs == 0);
+               ok1(tdb_check(tdb, NULL, NULL) == 0);
+               data = tdb_fetch(tdb, key);
+               ok1(data.dsize == 1000);
+               ok1(memcmp(data.dptr, buffer, data.dsize) == 0);
+               free(data.dptr);
+
+               tdb_close(tdb);
+       }
+
+       ok1(tap_log_messages == 0);
+       return exit_status();
+}