#ifndef TDDFUNCS_H
#define TDDFUNCS_H

#include <string>
#include <iostream>

std::string convertLineNumber(int lineNumber);

// template requires == and << 

template<typename T> void assertEquals(T expected, 
				       T actual, 
				       std::string message,
				       int lineNumber) {
  std::string line=convertLineNumber(lineNumber);
  if (expected==actual) {
    std::cout << "PASSED: " << message << line << std::endl;;
  } else {
    std::cout << "   FAILED: " << message << line << std::endl
	      << "     Expected: "  << expected << " Actual: " << actual << std::endl; 
  }
}

// specialized because char * doesn't work properly on ==
void assertEquals(const char * const expected, 
		  const char * const actual, 
		  std::string message,
		  int lineNumber=-1);

// specialized for the same reason, and because expected is often a string literal
void assertEquals(const char * const expected, 
		  std::string actual, 
		  std::string message,
		  int lineNumber=-1);

#define ASSERT_EQUALS(expected,actual) \
  assertEquals(expected,actual,#actual " at " __FILE__ ,  __LINE__ )


void assertTrue(bool expression, std::string message="", int lineNumber=-1);

#define ASSERT_TRUE(expression) \
  assertTrue(expression,#expression " at " __FILE__, __LINE__)

#endif // TDDFUNCS_H