A simple assert() macro. : define « Development « C++ Tutorial

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C++ Tutorial » Development » define

5.16.5.A simple assert() macro.

#define DEBUG

#include <iostream>

using namespace std;

#ifndef DEBUG

   #define ASSERT(x)

#else

   #define ASSERT(x) \

            if (! (x)) \

            { \

               cout << "ERROR!! Assert " << #x << " failed\n"; \

               cout << " on line " << __LINE__  << "\n"; \

               cout << " in file " << __FILE__ << "\n";  \

            }

#endif





int main()

{

   int x = 5;

   cout << "First assert: \n";

   ASSERT(x==5);

   cout << "\nSecond assert: \n";

   ASSERT(x != 5);

   cout << "\nDone.\n";

 return 0;

}

5.16.define
	5.16.1.	ASSERTS
	5.16.2.	function macro of get the max value number
	5.16.3.	Using parentheses in macros.
	5.16.4.	Using inline rather than a macro.
	5.16.5.	A simple assert() macro.
	5.16.6.	Printing values in DEBUG mode

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