ccan/ccan/ntdb/test/run-001-encode.c

#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();
}