tdb2: TDB_ATTRIBUTE_STATS access via tdb_get_attribute.

[ccan] / ccan / tdb2 / test / run-91-get-stats.c

diff --git a/ccan/tdb2/test/run-91-get-stats.c b/ccan/tdb2/test/run-91-get-stats.c
new file mode 100644 (file)
index 0000000..795dfd6
--- /dev/null
+++ b/ccan/tdb2/test/run-91-get-stats.c
@@ -0,0 +1,59 @@
+#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/transaction.c>
+#include <ccan/tdb2/traverse.c>
+#include <ccan/tap/tap.h>
+#include "logging.h"
+
+int main(int argc, char *argv[])
+{
+       unsigned int i;
+       struct tdb_context *tdb;
+       int flags[] = { TDB_DEFAULT, TDB_NOMMAP,
+                       TDB_CONVERT, TDB_NOMMAP|TDB_CONVERT };
+
+       plan_tests(sizeof(flags) / sizeof(flags[0]) * 11);
+
+       for (i = 0; i < sizeof(flags) / sizeof(flags[0]); i++) {
+               union tdb_attribute *attr;
+               struct tdb_data key = tdb_mkdata("key", 3);
+
+               tdb = tdb_open("run-91-get-stats.tdb", flags[i],
+                              O_RDWR|O_CREAT|O_TRUNC, 0600, &tap_log_attr);
+               ok1(tdb);
+               ok1(tdb_store(tdb, key, key, TDB_REPLACE) == 0);
+
+               /* Use malloc so valgrind will catch overruns. */
+               attr = malloc(sizeof *attr);
+               attr->stats.base.attr = TDB_ATTRIBUTE_STATS;
+               attr->stats.size = sizeof(*attr);
+
+               ok1(tdb_get_attribute(tdb, attr) == 0);
+               ok1(attr->stats.size == sizeof(*attr));
+               ok1(attr->stats.allocs > 0);
+               ok1(attr->stats.expands > 0);
+               ok1(attr->stats.locks > 0);
+               free(attr);
+
+               /* Try short one. */
+               attr = malloc(offsetof(struct tdb_attribute_stats, allocs)
+                             + sizeof(attr->stats.allocs));
+               attr->stats.base.attr = TDB_ATTRIBUTE_STATS;
+               attr->stats.size = offsetof(struct tdb_attribute_stats, allocs)
+                       + sizeof(attr->stats.allocs);
+               ok1(tdb_get_attribute(tdb, attr) == 0);
+               ok1(attr->stats.size == sizeof(*attr));
+               ok1(attr->stats.allocs > 0);
+               free(attr);
+               ok1(tap_log_messages == 0);
+
+               tdb_close(tdb);
+
+       }
+       return exit_status();
+}