#ifndef _ASSERT_H_
#define _ASSERT_H_

#ifdef NDEBUG

#include <stdio.h>
#include <stdbool.h>
#include <stdlib.h>

#define __STRINGIFY_(x) #x
#define __STRINGIFY(x) __STRINGIFY_(x)



inline bool unit_test(bool condition, const char* test, const char* message, const char* f, int l)
{
    if(!condition)
        fprintf(stderr,"%s : %i : Test failed: ` %s `: {   %s ; } \n", f, l, message, test );
    /*else
        std::cerr << f << ":" << l << ": Test passed: `" << message << "`" << std::endl;*/

    return condition;
}

inline void check_assertion1(bool condition, const char* f, int l, const char* fn)
{
    if(!condition)
    {
        fprintf(stderr,"%s : %i : Assertion failed in function ` %s `.", f, l, fn );
        abort();
    }
}

inline void check_assertion2(bool condition, const char* message, const char* f, int l, const char* fn)
{
    if(!condition)
    {
        fprintf(stderr," %s : %i : Assertion failed in function ` %s`.", f, l, fn );
        if(message)
            fprintf(stderr," %s : %i :  %s ",f, l, message );
        abort();
    }
}



#define VA_NARGS_IMPL(_1, _2, _3, _4, _5, N, ...) N
#define VA_NARGS(...) VA_NARGS_IMPL(__VA_ARGS__, 5, 4, 3, 2, 1)

#define assert_IMPL2(count, ...) check_assertion ## count (__VA_ARGS__, __FILE__, __LINE__, __func__)
#define assert_IMPL(count, ...) assert_IMPL2(count, __VA_ARGS__)
#define assert(...) assert_IMPL(VA_NARGS(__VA_ARGS__), __VA_ARGS__)


/*#define assert(test, message) check_assertion(test, message, __FILE__, __LINE__, __func__)*/
/*#define assert(test) check_assertion(test, NULL, __FILE__, __LINE__, __func__)*/

#define unit_test(x, y) unit_test(x, __STRINGIFY(x), y, __FILE__, __LINE__)

#else

#define assert(...)
#define unit_test(...) (true)

#endif

#endif