summaryrefslogtreecommitdiff
path: root/libmisc/tests/test_endian.c
diff options
context:
space:
mode:
Diffstat (limited to 'libmisc/tests/test_endian.c')
-rw-r--r--libmisc/tests/test_endian.c41
1 files changed, 41 insertions, 0 deletions
diff --git a/libmisc/tests/test_endian.c b/libmisc/tests/test_endian.c
new file mode 100644
index 0000000..dcb3cc2
--- /dev/null
+++ b/libmisc/tests/test_endian.c
@@ -0,0 +1,41 @@
+/* libmisc/tests/test_endian.c - Tests for <libmisc/endian.h>
+ *
+ * Copyright (C) 2024-2025 Luke T. Shumaker <lukeshu@lukeshu.com>
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+#include <string.h> /* for memcmp() */
+
+#include <libmisc/endian.h>
+
+#include "test.h"
+
+int main() {
+ uint8_t act[(2+4+8)*2] = {0};
+ size_t pos = 0;
+ pos += uint16be_encode(&act[pos], UINT16_C(0x1234));
+ pos += uint32be_encode(&act[pos], UINT32_C(0x56789ABC));
+ pos += uint64be_encode(&act[pos], UINT64_C(0xAC589A93278CB30A));
+ pos += uint16le_encode(&act[pos], UINT16_C(0x1234));
+ pos += uint32le_encode(&act[pos], UINT32_C(0x56789ABC));
+ pos += uint64le_encode(&act[pos], UINT64_C(0xAC589A93278CB30A));
+
+ test_assert(pos == sizeof(act));
+ uint8_t exp[(2+4+8)*2] = { 0x12, 0x34,
+ 0x56, 0x78, 0x9A, 0xBC,
+ 0xAC, 0x58, 0x9A, 0x93, 0x27, 0x8C, 0xB3, 0x0A,
+ 0x34, 0x12,
+ 0xBC, 0x9A, 0x78, 0x56,
+ 0x0A, 0xB3, 0x8C, 0x27, 0x93, 0x9A, 0x58, 0xAC};
+ test_assert(memcmp(act, exp, sizeof(act)) == 0);
+
+ pos = 0;
+ test_assert(uint16be_decode(&act[pos]) == UINT16_C(0x1234)); pos += 2;
+ test_assert(uint32be_decode(&act[pos]) == UINT32_C(0x56789ABC)); pos += 4;
+ test_assert(uint64be_decode(&act[pos]) == UINT64_C(0xAC589A93278CB30A)); pos += 8;
+ test_assert(uint16le_decode(&act[pos]) == UINT16_C(0x1234)); pos += 2;
+ test_assert(uint32le_decode(&act[pos]) == UINT32_C(0x56789ABC)); pos += 4;
+ test_assert(uint64le_decode(&act[pos]) == UINT64_C(0xAC589A93278CB30A)); pos += 8;
+
+ return 0;
+}