tdb2: test: import tdb1's tests.

[ccan] / ccan / tdb2 / test / run-tdb1-nested-transactions.c

diff --git a/ccan/tdb2/test/run-tdb1-nested-transactions.c b/ccan/tdb2/test/run-tdb1-nested-transactions.c
new file mode 100644 (file)
index 0000000..2518003
--- /dev/null
+++ b/ccan/tdb2/test/run-tdb1-nested-transactions.c
@@ -0,0 +1,68 @@
+#include "tdb2-source.h"
+#include <ccan/tap/tap.h>
+#include <stdlib.h>
+#include <stdbool.h>
+#include <err.h>
+#include "tdb1-logging.h"
+
+int main(int argc, char *argv[])
+{
+       struct tdb1_context *tdb;
+       TDB1_DATA key, data;
+
+       plan_tests(27);
+       key.dsize = strlen("hi");
+       key.dptr = (void *)"hi";
+
+       tdb = tdb1_open_ex("run-nested-transactions.tdb",
+                         1024, TDB1_CLEAR_IF_FIRST|TDB1_DISALLOW_NESTING,
+                         O_CREAT|O_TRUNC|O_RDWR, 0600, &taplogctx, NULL);
+       ok1(tdb);
+
+       ok1(tdb1_transaction_start(tdb) == 0);
+       data.dptr = (void *)"world";
+       data.dsize = strlen("world");
+       ok1(tdb1_store(tdb, key, data, TDB1_INSERT) == 0);
+       data = tdb1_fetch(tdb, key);
+       ok1(data.dsize == strlen("world"));
+       ok1(memcmp(data.dptr, "world", strlen("world")) == 0);
+       free(data.dptr);
+       ok1(tdb1_transaction_start(tdb) != 0);
+       ok1(tdb1_error(tdb) == TDB1_ERR_NESTING);
+
+       data = tdb1_fetch(tdb, key);
+       ok1(data.dsize == strlen("world"));
+       ok1(memcmp(data.dptr, "world", strlen("world")) == 0);
+       free(data.dptr);
+       ok1(tdb1_transaction_commit(tdb) == 0);
+       data = tdb1_fetch(tdb, key);
+       ok1(data.dsize == strlen("world"));
+       ok1(memcmp(data.dptr, "world", strlen("world")) == 0);
+       free(data.dptr);
+       tdb1_close(tdb);
+
+       /* Allow nesting by default. */
+       tdb = tdb1_open_ex("run-nested-transactions.tdb",
+                         1024, TDB1_DEFAULT, O_RDWR, 0, &taplogctx, NULL);
+       ok1(tdb);
+
+       ok1(tdb1_transaction_start(tdb) == 0);
+       ok1(tdb1_transaction_start(tdb) == 0);
+       ok1(tdb1_delete(tdb, key) == 0);
+       ok1(tdb1_transaction_commit(tdb) == 0);
+       ok1(!tdb1_exists(tdb, key));
+       ok1(tdb1_transaction_cancel(tdb) == 0);
+       /* Surprise! Kills inner "committed" transaction. */
+       ok1(tdb1_exists(tdb, key));
+
+       ok1(tdb1_transaction_start(tdb) == 0);
+       ok1(tdb1_transaction_start(tdb) == 0);
+       ok1(tdb1_delete(tdb, key) == 0);
+       ok1(tdb1_transaction_commit(tdb) == 0);
+       ok1(!tdb1_exists(tdb, key));
+       ok1(tdb1_transaction_commit(tdb) == 0);
+       ok1(!tdb1_exists(tdb, key));
+       tdb1_close(tdb);
+
+       return exit_status();
+}