Add test infrastructure

.gitignore

@@ -2,3 +2,4 @@ test/out/
 fuzz_main
 main
 result
+tests

Makefile

@@ -17,3 +17,9 @@ fuzz: fuzz_main
 
 clean:
 	rm -rf bin test/out
+	rm -rf main fuzz_main out
+
+tests: test/main.test.cpp
+	mkdir -p bin
+	$(CXX) $(CXXFLAGS) -o bin/tests test/main.test.cpp
+	

main.h

+
+#ifndef __MAIN__GUARD__
+#define __MAIN__GUARD__
+
+int add(int a, int b);
+int subtract(int a, int b);
+int multiply(int a, int b);
+int divide(int a, int b);
+
+int evaluate(const std::string &s);
+
+#endif

src/main.cpp

@@ -5,6 +5,7 @@
 #include <climits>
 #include <unordered_map>
 #include <iterator>
+#include "main.h"
 
 /*
  * Adds two integers

test/main.test.cpp

+#define CATCH_CONFIG_MAIN
+#include <catch2/catch.hpp>
+#include "./../main.h"
+
+
+
+
+TEST_CASE("Trivial test","[trivial]") {
+	REQUIRE(true);
+}