diff --git a/tests/base64_test.c b/tests/base64_test.c
new file mode 100644
index 0000000..abc540c
--- /dev/null
+++ b/tests/base64_test.c
@@ -0,0 +1,27 @@
+#include <libcper/base64.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <assert.h>
+#include <string.h>
+
+void test_base64_encode_good()
+{
+	int32_t encoded_len = 0;
+	const char *data = "f";
+	char *encoded = base64_encode((unsigned char *)data, strlen(data),
+				      &encoded_len);
+	assert(encoded_len == 4);
+	assert(memcmp(encoded, "Zg==", encoded_len) == 0);
+	free(encoded);
+}
+
+void test_base64_decode_good()
+{
+	int32_t decoded_len = 0;
+	const char *data = "Zg==";
+	UINT8 *decoded = base64_decode(data, strlen(data), &decoded_len);
+	assert(decoded_len == 1);
+	assert(decoded[0] == 'f');
+	free(decoded);
+}