tdb2: change to using a hash tree.

[ccan] / ccan / tdb2 / test / run-hashclash.c

diff --git a/ccan/tdb2/test/run-hashclash.c b/ccan/tdb2/test/run-hashclash.c
deleted file mode 100644 (file)
index fd78b4e..0000000
--- a/ccan/tdb2/test/run-hashclash.c
+++ /dev/null
@@ -1,77 +0,0 @@
-#include <ccan/tdb2/tdb.c>
-#include <ccan/tdb2/free.c>
-#include <ccan/tdb2/lock.c>
-#include <ccan/tdb2/io.c>
-#include <ccan/tdb2/check.c>
-#include <ccan/tap/tap.h>
-#include "logging.h"
-
-/* We rig the hash so adjacent-numbered records always clash. */
-static uint64_t clash(const void *key, size_t len, uint64_t seed, void *priv)
-{
-       return *(unsigned int *)key / 2;
-}
-
-static void test_val(struct tdb_context *tdb, unsigned int val)
-{
-       unsigned int v;
-       struct tdb_data key = { (unsigned char *)&v, sizeof(v) };
-       struct tdb_data data = { (unsigned char *)&v, sizeof(v) };
-
-       /* Insert two entries, with the same hash. */
-       v = val;
-       ok1(tdb_store(tdb, key, data, TDB_INSERT) == 0);
-       v = val + 1;
-       ok1(tdb_store(tdb, key, data, TDB_INSERT) == 0);
-       ok1(tdb_check(tdb, NULL, NULL) == 0);
-
-       /* Can find both? */
-       v = val;
-       ok1(tdb_fetch(tdb, key).dsize == data.dsize);
-       v = val + 1;
-       ok1(tdb_fetch(tdb, key).dsize == data.dsize);
-}
-
-int main(int argc, char *argv[])
-{
-       unsigned int i;
-       struct tdb_context *tdb;
-       union tdb_attribute hattr = { .hash = { .base = { TDB_ATTRIBUTE_HASH },
-                                               .hash_fn = clash } };
-       int flags[] = { TDB_INTERNAL, TDB_DEFAULT, TDB_NOMMAP,
-                       TDB_INTERNAL|TDB_CONVERT, TDB_CONVERT,
-                       TDB_NOMMAP|TDB_CONVERT,
-       };
-
-       hattr.base.next = &tap_log_attr;
-
-       plan_tests(sizeof(flags) / sizeof(flags[0]) * 14 + 1);
-       for (i = 0; i < sizeof(flags) / sizeof(flags[0]); i++) {
-               tdb = tdb_open("run-hashclash.tdb", flags[i],
-                              O_RDWR|O_CREAT|O_TRUNC, 0600, &hattr);
-               ok1(tdb);
-               if (!tdb)
-                       continue;
-
-               /* Check start of hash table. */
-               test_val(tdb, 0);
-
-               ok1(!tdb_has_locks(tdb));
-               tdb_close(tdb);
-
-               tdb = tdb_open("run-hashclash.tdb", flags[i],
-                              O_RDWR|O_CREAT|O_TRUNC, 0600, &hattr);
-               ok1(tdb);
-               if (!tdb)
-                       continue;
-
-               /* Check end of hash table (will wrap around!). */
-               test_val(tdb, ((1 << tdb->header.v.hash_bits) - 1) * 2);
-
-               ok1(!tdb_has_locks(tdb));
-               tdb_close(tdb);
-       }
-
-       ok1(tap_log_messages == 0);
-       return exit_status();
-}