1 files changed, 61 insertions, 0 deletions
diff --git a/src/lib/test-hex-binary.c b/src/lib/test-hex-binary.c
new file mode 100644
index 0000000..cc248d4
--- /dev/null
+++ b/src/lib/test-hex-binary.c
@@ -0,0 +1,61 @@
+/* Copyright (c) 2009-2018 Dovecot authors, see the included COPYING file */
+
+#include "test-lib.h"
+#include "buffer.h"
+#include "str.h"
+#include "hex-binary.h"
+
+static void test_binary_to_hex(void)
+{
+	static unsigned char input[] = { 0xff, 0x00, 0x01, 0xb3 };
+	static char *output_lcase = "ff0001b3";
+	static char *output_ucase = "FF0001B3";
+	string_t *str;
+
+	test_begin("binary to hex");
+	test_assert(strcmp(binary_to_hex(input, sizeof(input)), output_lcase) == 0);
+	test_end();
+
+	test_begin("binary to hex ucase");
+	test_assert(strcmp(binary_to_hex_ucase(input, sizeof(input)), output_ucase) == 0);
+	test_end();
+
+	test_begin("binary to hex ucase");
+	str = t_str_new(32);
+	str_append_c(str, '<');
+	binary_to_hex_append(str, input, sizeof(input));
+	str_append_c(str, '>');
+	test_assert(strcmp(str_c(str), t_strconcat("<", output_lcase, ">", NULL)) == 0);
+	test_end();
+}
+
+static void test_hex_to_binary(void)
+{
+	static const char *ok_input = "0001fEFf";
+	static unsigned char ok_output[] = { 0x00, 0x01, 0xfe, 0xff };
+	static const char *error_input[] = {
+		"00 01",
+		"0x01",
+		"0g"
+	};
+	buffer_t *buf = t_buffer_create(10);
+	unsigned int i;
+
+	test_begin("hex to binary");
+	test_assert(hex_to_binary("", buf) == 0);
+	test_assert(buf->used == 0);
+
+	test_assert(hex_to_binary(ok_input, buf) == 0);
+	test_assert(buf->used == N_ELEMENTS(ok_output));
+	test_assert(memcmp(buf->data, ok_output, buf->used) == 0);
+
+	for (i = 0; i < N_ELEMENTS(error_input); i++)
+		test_assert(hex_to_binary(error_input[i], buf) == -1);
+	test_end();
+}
+
+void test_hex_binary(void)
+{
+	test_binary_to_hex();
+	test_hex_to_binary();
+}