1 files changed, 54 insertions, 0 deletions

diff --git a/test/src/util/test_binascii.c b/test/src/util/test_binascii.c
new file mode 100644
index 0000000..47f3f61
--- /dev/null
+++ b/test/src/util/test_binascii.c
@@ -0,0 +1,54 @@
+/*
+ * ecgen, tool for generating Elliptic curve domain parameters
+ * Copyright (C) 2017 J08nY
+ */
+
+#include <criterion/criterion.h>
+#include "test/default.h"
+#include "util/binascii.h"
+#include "util/memory.h"
+
+TestSuite(binascii, .init = default_setup, .fini = default_teardown);
+
+Test(binascii, test_itob_big) {
+	GEN i = stoi((5 << 8) | 4);
+	char *bytes = binascii_itob(i, ENDIAN_BIG);
+	size_t len = binascii_blen(i);
+	cr_assert_eq(len, 2, );
+	cr_assert_eq(bytes[0], 5, );
+	cr_assert_eq(bytes[1], 4, );
+	try_free(bytes);
+}
+
+Test(binascii, test_itob_little) {
+	GEN i = stoi((5 << 8) | 4);
+	char *bytes = binascii_itob(i, ENDIAN_LITTLE);
+	size_t len = binascii_blen(i);
+	cr_assert_eq(len, 2, );
+	cr_assert_eq(bytes[0], 4, );
+	cr_assert_eq(bytes[1], 5, );
+	try_free(bytes);
+}
+
+Test(binascii, test_btoi_big) {
+	char bytes[] = {5, 4};
+	GEN i = binascii_btoi(bytes, 2, ENDIAN_BIG);
+	GEN expected = stoi((5 << 8) | 4);
+	cr_assert(equalii(expected, i), );
+}
+
+Test(binascii, test_btoi_little) {
+	char bytes[] = {5, 4};
+	GEN i = binascii_btoi(bytes, 2, ENDIAN_LITTLE);
+	GEN expected = stoi((4 << 8) | 5);
+	cr_assert(equalii(expected, i), );
+}
+
+Test(binascii, test_both) {
+	GEN expected = stoi((5 << 8) | 4);
+	char *bytes = binascii_itob(expected, ENDIAN_BIG);
+	size_t len = binascii_blen(expected);
+	GEN i = binascii_btoi(bytes, len, ENDIAN_BIG);
+	cr_assert(equalii(expected, i), );
+	try_free(bytes);
+}
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