Add tests to libmisc

1 files changed, 32 insertions, 0 deletions

diff --git a/libmisc/tests/test_endian.c b/libmisc/tests/test_endian.c
new file mode 100644
index 0000000..d0b547c
--- /dev/null
+++ b/libmisc/tests/test_endian.c
@@ -0,0 +1,32 @@
+/* libmisc/tests/test_endian.c - Tests for <libmisc/endian.h>
+ *
+ * Copyright (C) 2024  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[12] = {0};
+	uint16be_encode(&act[0], UINT16_C(0x1234));
+	uint32be_encode(&act[2], UINT32_C(0x56789ABC));
+	uint16le_encode(&act[6], UINT16_C(0x1234));
+	uint32le_encode(&act[8], UINT32_C(0x56789ABC));
+
+	uint8_t exp[12] = { 0x12, 0x34,
+	                    0x56, 0x78, 0x9A, 0xBC,
+	                    0x34, 0x12,
+	                    0xBC, 0x9A, 0x78, 0x56 };
+	test_assert(memcmp(act, exp, 12) == 0);
+
+	test_assert(uint16be_decode(&act[0]) == UINT16_C(0x1234));
+	test_assert(uint32be_decode(&act[2]) == UINT32_C(0x56789ABC));
+	test_assert(uint16le_decode(&act[6]) == UINT16_C(0x1234));
+	test_assert(uint32le_decode(&act[8]) == UINT32_C(0x56789ABC));
+
+	return 0;
+}