tdb2: test: convert (non-invasive) run tests to api tests.

[ccan] / ccan / tdb2 / test / api-missing-entries.c

diff --git a/ccan/tdb2/test/api-missing-entries.c b/ccan/tdb2/test/api-missing-entries.c
new file mode 100644 (file)
index 0000000..1932947
--- /dev/null
+++ b/ccan/tdb2/test/api-missing-entries.c
@@ -0,0 +1,44 @@
+/* Another test revealed that we lost an entry.  This reproduces it. */
+#include <ccan/tdb2/tdb2.h>
+#include <ccan/hash/hash.h>
+#include <ccan/tap/tap.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include "logging.h"
+
+#define NUM_RECORDS 1189
+
+/* We use the same seed which we saw this failure on. */
+static uint64_t failhash(const void *key, size_t len, uint64_t seed, void *p)
+{
+       seed = 699537674708983027ULL;
+       return hash64_stable((const unsigned char *)key, len, seed);
+}
+
+int main(int argc, char *argv[])
+{
+       int i;
+       struct tdb_context *tdb;
+       struct tdb_data key = { (unsigned char *)&i, sizeof(i) };
+       struct tdb_data data = { (unsigned char *)&i, sizeof(i) };
+       union tdb_attribute hattr = { .hash = { .base = { TDB_ATTRIBUTE_HASH },
+                                               .fn = failhash } };
+
+       hattr.base.next = &tap_log_attr;
+       plan_tests(1 + 2 * NUM_RECORDS + 1);
+
+       tdb = tdb_open("run-missing-entries.tdb", TDB_INTERNAL,
+                      O_RDWR|O_CREAT|O_TRUNC, 0600, &hattr);
+       ok1(tdb);
+       if (tdb) {
+               for (i = 0; i < NUM_RECORDS; i++) {
+                       ok1(tdb_store(tdb, key, data, TDB_REPLACE) == 0);
+                       ok1(tdb_check(tdb, NULL, NULL) == 0);
+               }
+               tdb_close(tdb);
+       }
+
+       ok1(tap_log_messages == 0);
+       return exit_status();
+}