#ifndef TESTING_H
#define TESTING_H

#include <stdlib.h>
#include <string.h>

#define TESTING_BEGIN() \
	do { \
		memset(&test_run, 0, sizeof(test_run)); \
	} while (0)

#define TESTING_END() \
	do { \
		testing_end_msg(); \
		return 0 == test_run.fail_count ? EXIT_SUCCESS : EXIT_FAILURE; \
	} while (0)

#define RUN_TEST(test) \
	do { \
		++test_run.test_count; \
		test(); \
	} while (0)

#define ASSERT_FAIL() \
	do { \
		++test_run.fail_count; \
		testing_fail_msg(__func__, __FILE__, __LINE__); \
		return; \
	} while (0)

#define ASSERT_TRUE(p) \
	do { \
		++test_run.assertion_count; \
		if (!(p)) \
			ASSERT_FAIL(); \
	} while (0)

#define ASSERT_FALSE(p) ASSERT_TRUE(!(p))
#define ASSERT_EQUAL(x, y) ASSERT_TRUE((x) == (y))
#define ASSERT_NOT_EQUAL(x, y) ASSERT_TRUE((x) != (y))
#define ASSERT_NULL(p) ASSERT_TRUE(NULL == (p))
#define ASSERT_NOT_NULL(p) ASSERT_TRUE(NULL != (p))
#define ASSERT_GT(x, y) ASSERT_TRUE((y) > (x))
#define ASSERT_GE(x, y) ASSERT_TRUE((y) >= (x))
#define ASSERT_LT(x, y) ASSERT_TRUE((y) < (x))
#define ASSERT_LE(x, y) ASSERT_TRUE((y) <= (x))
#define ASSERT_MEM_EQUAL(p, q, n) ASSERT_TRUE(memcmp(p, q, n) == 0)

typedef struct {
	int test_count;
	int fail_count;
	int assertion_count;
} test_run_t;

extern test_run_t test_run;

void testing_fail_msg(const char *func, const char *file, int line);
void testing_end_msg(void);

#endif