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authorRusty Russell <rusty@rustcorp.com.au>2011-06-20 18:40:33 +0930
committerRusty Russell <rusty@rustcorp.com.au>2011-06-20 11:18:35 +0200
commitd24ddb0350ddb402bd9d219e129439cdbd77ecfe (patch)
tree7d1d7a632788ae10de780d0e664baa01264bdba3 /lib/tdb2/test/run-missing-entries.c
parentd925b327f4703cc141c0a7f3eec912dba8440880 (diff)
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tdb2: add lib/tdb2 (from CCAN init-1161-g661d41f)
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'lib/tdb2/test/run-missing-entries.c')
-rw-r--r--lib/tdb2/test/run-missing-entries.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/lib/tdb2/test/run-missing-entries.c b/lib/tdb2/test/run-missing-entries.c
new file mode 100644
index 0000000000..e99572f64c
--- /dev/null
+++ b/lib/tdb2/test/run-missing-entries.c
@@ -0,0 +1,48 @@
+/* Another test revealed that we lost an entry. This reproduces it. */
+#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 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();
+}