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-rw-r--r--tests/libknot/test_endian.c70
1 files changed, 70 insertions, 0 deletions
diff --git a/tests/libknot/test_endian.c b/tests/libknot/test_endian.c
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+/* Copyright (C) 2018 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+#include <tap/basic.h>
+
+#include "libknot/endian.h"
+
+int main(int argc, char *argv[])
+{
+ plan(12);
+
+ typedef union {
+ uint16_t value;
+ uint8_t array[2];
+ } trafo16_t;
+
+ const uint16_t host16 = 0x0102;
+ const trafo16_t be16 = { .array = { 0x01, 0x02 } };
+ const trafo16_t le16 = { .array = { 0x02, 0x01 } };
+ ok(htobe16(host16) == be16.value, "htobe16");
+ ok(htole16(host16) == le16.value, "htole16");
+ ok(be16toh(be16.value) == host16, "be16toh");
+ ok(le16toh(le16.value) == host16, "le16toh");
+
+ typedef union {
+ uint32_t value;
+ uint8_t array[4];
+ } trafo32_t;
+
+ const uint32_t host32 = 0x01020304;
+ const trafo32_t be32 = { .array = { 0x01, 0x02, 0x03, 0x04 } };
+ const trafo32_t le32 = { .array = { 0x04, 0x03, 0x02, 0x01 } };
+ ok(htobe32(host32) == be32.value, "htobe32");
+ ok(htole32(host32) == le32.value, "htole32");
+ ok(be32toh(be32.value) == host32, "be32toh");
+ ok(le32toh(le32.value) == host32, "le32toh");
+
+ typedef union {
+ uint64_t value;
+ uint8_t array[8];
+ } trafo64_t;
+
+ const uint64_t host64 = 0x0102030405060708;
+ const trafo64_t be64 = { .array = { 0x01, 0x02, 0x03, 0x04,
+ 0x05, 0x06, 0x07, 0x08 } };
+ const trafo64_t le64 = { .array = { 0x08, 0x07, 0x06, 0x05,
+ 0x04, 0x03, 0x02, 0x01 } };
+ ok(htobe64(host64) == be64.value, "htobe64");
+ ok(htole64(host64) == le64.value, "htole64");
+ ok(be64toh(be64.value) == host64, "be64toh");
+ ok(le64toh(le64.value) == host64, "le64toh");
+
+ return 0;
+}