X-Git-Url: http://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=ccan%2Fntdb%2Ftest%2Frun-001-encode.c;fp=ccan%2Fntdb%2Ftest%2Frun-001-encode.c;h=b8a61bee8c592a7f1dfc33315215ee1495b058cc;hp=0000000000000000000000000000000000000000;hb=d69ef83fcc2434ddaced1831184fb761ae6f09d3;hpb=ed95d8600afe1564ffd1783ae9ea0ef6324904dc

diff --git a/ccan/ntdb/test/run-001-encode.c b/ccan/ntdb/test/run-001-encode.c
new file mode 100644
index 00000000..b8a61bee
--- /dev/null
+++ b/ccan/ntdb/test/run-001-encode.c
@@ -0,0 +1,39 @@
+#include "ntdb-source.h"
+#include "tap-interface.h"
+#include "logging.h"
+
+int main(int argc, char *argv[])
+{
+	unsigned int i;
+	struct ntdb_used_record rec;
+	struct ntdb_context ntdb = { .log_fn = tap_log_fn };
+
+	plan_tests(64 + 32 + 48*5 + 1);
+
+	/* We should be able to encode any data value. */
+	for (i = 0; i < 64; i++)
+		ok1(set_header(&ntdb, &rec, NTDB_USED_MAGIC, 0, 1ULL << i,
+			       1ULL << i) == 0);
+
+	/* And any key and data with < 64 bits between them. */
+	for (i = 0; i < 32; i++) {
+		ntdb_len_t dlen = 1ULL >> (63 - i), klen = 1ULL << i;
+		ok1(set_header(&ntdb, &rec, NTDB_USED_MAGIC, klen, dlen,
+			       klen + dlen)  == 0);
+	}
+
+	/* We should neatly encode all values. */
+	for (i = 0; i < 48; i++) {
+		uint64_t klen = 1ULL << (i < 16 ? i : 15);
+		uint64_t dlen = 1ULL << i;
+		uint64_t xlen = 1ULL << (i < 32 ? i : 31);
+		ok1(set_header(&ntdb, &rec, NTDB_USED_MAGIC, klen, dlen,
+			       klen+dlen+xlen) == 0);
+		ok1(rec_key_length(&rec) == klen);
+		ok1(rec_data_length(&rec) == dlen);
+		ok1(rec_extra_padding(&rec) == xlen);
+		ok1(rec_magic(&rec) == NTDB_USED_MAGIC);
+	}
+	ok1(tap_log_messages == 0);
+	return exit_status();
+}