#ifndef ASSERTIONS_H
#define ASSERTIONS_H

#include "Exception.h"

/**
 * this file provides assertion methods that may be enabled to trace
 * coding errors efficiently during debug or disabled to speed up the
 * code execution for the release build
 *
 * compile with -DWITH_ASSERTIONS
 */
namespace Assert {


	static inline void doThrow(const char* err) {
		#ifdef WITH_ASSERTIONS
			std::string str = "in: ";
			str += __PRETTY_FUNCTION__;
			str += " error: ";
			str += err;
			throw Exception(err);
		#endif
	}

	template <typename T> static inline void equal(const T v1, const T v2, const char* err) {
		if (v1 != v2) {doThrow(err);}
	}

	template <typename T> static inline void isTrue(const T v, const char* err) {
		if (!v) {doThrow(err);}
	}

	template <typename T> static inline void isFalse(const T v, const char* err) {
		if (v) {doThrow(err);}
	}

	template <typename T> static inline void isNull(const T v, const char* err) {
		if (v != nullptr) {doThrow(err);}
	}

	template <typename T> static inline void isNotNull(const T v, const char* err) {
		if (v == nullptr) {doThrow(err);}
	}

	template <typename T> static inline void isNotNaN(const T v, const char* err) {
		if (v != v) {doThrow(err);}
	}

	template <typename T> static inline void isNot0(const T v, const char* err) {
		if (v == 0) {doThrow(err);}
	}

	template <typename T> static inline void isBetween(const T v, const T min, const T max, const char* err) {
		if (v < min || v > max) {doThrow(err);}
	}

}

#endif // ASSERTIONS_H