#ifndef __TEST__H__
#define __TEST__H__

#include <stdio.h>

unsigned int successes = 0;
unsigned int failures = 0;

#define TEST_SUCCEED(description, ...) \
    successes++; \
    
#define TEST_FAIL(description, ...) \
    failures++; \
    fprintf(stderr, "Failure on line %d, file %s: ", __LINE__, __FILE__); \
    fprintf(stderr, description, ## __VA_ARGS__); \
    fprintf(stderr, "\n");

#define TEST_EQUAL(x, y, description, ...) \
    if (x == y) { \
        TEST_SUCCEED(description, ## __VA_ARGS__); \
    } else { \
        TEST_FAIL(description, ## __VA_ARGS__); \
    }

#define TEST_NOT_EQUAL(x, y, description, ...) \
    if (x != y) { \
        TEST_SUCCEED(description, ## __VA_ARGS__); \
    } else { \
        TEST_FAIL(description, ## __VA_ARGS__); \
    }

#define OUTPUT_TEST_RESULTS \
    fprintf(stderr, "-----\n"); \
    fprintf(stderr, "%d tests run:\n", successes + failures); \
    fprintf(stderr, "%d passed\n", successes); \
    fprintf(stderr, "%d failed\n", failures);

#endif