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Diffstat (limited to 'lib/tdb2/test/run-001-encode.c')
-rw-r--r--lib/tdb2/test/run-001-encode.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/lib/tdb2/test/run-001-encode.c b/lib/tdb2/test/run-001-encode.c
new file mode 100644
index 0000000000..ffa4b93c02
--- /dev/null
+++ b/lib/tdb2/test/run-001-encode.c
@@ -0,0 +1,48 @@
+#include <ccan/tdb2/tdb.c>
+#include <ccan/tdb2/open.c>
+#include <ccan/tdb2/free.c>
+#include <ccan/tdb2/lock.c>
+#include <ccan/tdb2/hash.c>
+#include <ccan/tdb2/io.c>
+#include <ccan/tdb2/transaction.c>
+#include <ccan/tdb2/check.c>
+#include <ccan/tap/tap.h>
+#include "logging.h"
+
+int main(int argc, char *argv[])
+{
+ unsigned int i;
+ struct tdb_used_record rec;
+ struct tdb_context tdb = { .log_fn = tap_log_fn };
+
+ plan_tests(64 + 32 + 48*6 + 1);
+
+ /* We should be able to encode any data value. */
+ for (i = 0; i < 64; i++)
+ ok1(set_header(&tdb, &rec, TDB_USED_MAGIC, 0, 1ULL << i,
+ 1ULL << i, 0) == 0);
+
+ /* And any key and data with < 64 bits between them. */
+ for (i = 0; i < 32; i++) {
+ tdb_len_t dlen = 1ULL >> (63 - i), klen = 1ULL << i;
+ ok1(set_header(&tdb, &rec, TDB_USED_MAGIC, klen, dlen,
+ klen + dlen, 0) == 0);
+ }
+
+ /* We should neatly encode all values. */
+ for (i = 0; i < 48; i++) {
+ uint64_t h = 1ULL << (i < 5 ? i : 4);
+ uint64_t klen = 1ULL << (i < 16 ? i : 15);
+ uint64_t dlen = 1ULL << i;
+ uint64_t xlen = 1ULL << (i < 32 ? i : 31);
+ ok1(set_header(&tdb, &rec, TDB_USED_MAGIC, klen, dlen,
+ klen+dlen+xlen, h) == 0);
+ ok1(rec_key_length(&rec) == klen);
+ ok1(rec_data_length(&rec) == dlen);
+ ok1(rec_extra_padding(&rec) == xlen);
+ ok1((uint64_t)rec_hash(&rec) == h);
+ ok1(rec_magic(&rec) == TDB_USED_MAGIC);
+ }
+ ok1(tap_log_messages == 0);
+ return exit_status();
+}