#include <iostream>
#include <iomanip>
#include "PassFailExam.h"
using namespace std;

// Function prototype
void displayGrade(const GradedActivity *);

int main()
{
   // Create a GradedActivity object. The score is 88.
   GradedActivity test1(88.0);
   
   // Create a PassFailExam object. There are 100 questions,
   // the student missed 25 of them, and the minimum passing
   // score is 70.
   PassFailExam test2(100, 25, 70.0);

   // Display the grade data for both objects.
   cout << "Test 1:\n";
   displayGrade(&test1);  // Address of the GradedActivity object
   cout << "\nTest 2:\n";
   displayGrade(&test2);  // Address of the PassFailExam object
   return 0;
}

//***************************************************************
// The displayGrade function displays a GradedActivity object's *
// numeric score and letter grade. This version of the function *
// uses a GradedActivity pointer as its parameter.              *
//***************************************************************

void displayGrade(const GradedActivity *activity)
{
   cout << setprecision(1) << fixed;
   cout << "The activity's numeric score is "
        << activity->getScore() << endl;
   cout << "The activity's letter grade is "
        << activity->getLetterGrade() << endl;
}