Add some library unit tests

src/library/unittest/test.cpp

@@ -0,0 +1,49 @@
+#include "library/bintohex.hpp"
+#include <iostream>
+
+struct testcase
+{
+	const char* name;
+	bool (*run)();
+};
+
+struct testcase tests[] = {
+	"Bintohex on empty array", []() -> bool {
+		uint8_t data[1];
+		std::string x = binary_to_hex(data, 0);
+		return (x == "");
+	},
+	"Bintohex on empty NULL array", []() -> bool {
+		std::string x = binary_to_hex(NULL, 0);
+		return (x == "");
+	},
+	"Bintohex one byte", []() -> bool {
+		uint8_t data[1] = {81};
+		std::string x = binary_to_hex(data, 1);
+		return (x == "51");
+	},
+	"Bintohex four bytes", []() -> bool {
+		uint8_t data[4] = {0x14, 0x73, 0x2F, 0x4D};
+		std::string x = binary_to_hex(data, 4);
+		return (x == "14732f4d");
+	},
+};
+
+int main()
+{
+	uint64_t total = 0, pass = 0, fail = 0;
+	for(size_t i = 0; i < sizeof(tests) / sizeof(tests[0]); i++) {
+		std::cout << "Test #" << (i + 1) << ": " << tests[i].name << "..." << std::flush;
+		bool res = tests[i].run();
+		if(res) {
+			std::cout << "\e[1;32mOK\e[0m" << std::endl;
+			pass++;
+		} else {
+			std::cout << "\e[1;31mFAIL\e[0m" << std::endl;
+			fail++;
+		}
+		total++;
+	}
+	std::cout << "Total: " << total << ", pass: " << pass << " fail: " << fail << std::endl;
+	return fail ? 1 : 0;
+}