UTest.hpp

#ifndef UTEST_HPP
#define UTEST_HPP

class UTest {
protected:
    int result = 0;

public:
    inline operator int() {
        return result;
    }
};

#ifdef UT_FRIEND
    #undef UT_FRIEND
#endif

#ifndef UT_DISABLED
    #ifdef UT_CLASS
        #define UT_FRIEND friend class UT_CLASS;
        #define UT_MAIN() int main(){ return UT_CLASS(); }
        #define UT_SIMPLE_BEGIN() class UT_CLASS: public UTest { public: UT_CLASS() {
        #define UT_SIMPLE_END() } }; UT_MAIN();

    #else
        #define UT_FRIEND
    #endif
#else
    #define UT_FRIEND
#endif

#endif