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-rw-r--r--tests/libknot/test_wire.c46
1 files changed, 46 insertions, 0 deletions
diff --git a/tests/libknot/test_wire.c b/tests/libknot/test_wire.c
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+++ b/tests/libknot/test_wire.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 <tap/basic.h>
+
+#include "libknot/wire.h"
+
+#define write_test(size, value, ...) { \
+ const uint8_t expect[] = { __VA_ARGS__ }; \
+ uint8_t wdata[sizeof(expect)] = { 0x00 }; \
+ knot_wire_write_u ## size(wdata, value); \
+ ok(memcmp(wdata, expect, sizeof(expect)) == 0, "%d-bit write", size); \
+}
+
+int main(int argc, char *argv[])
+{
+ plan(8);
+
+ const uint8_t rdata[] = { 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff };
+
+ is_hex( 0x8899, knot_wire_read_u16(rdata), "16-bit read");
+ is_hex( 0x8899aabb, knot_wire_read_u32(rdata), "32-bit read");
+ is_hex( 0x8899aabbccdd, knot_wire_read_u48(rdata), "48-bit read");
+ is_hex(0x8899aabbccddeeff, knot_wire_read_u64(rdata), "64-bit read");
+
+ write_test(16, 0x1122, 0x11, 0x22);
+ write_test(32, 0x66778899, 0x66, 0x77, 0x88, 0x99);
+ write_test(48, 0xbbccdd778899, 0xbb, 0xcc, 0xdd, 0x77, 0x88, 0x99);
+ write_test(64, 0xbbccddee66778899, 0xbb, 0xcc, 0xdd, 0xee,
+ 0x66, 0x77, 0x88, 0x99);
+
+ return 0;
+}