import java.util.ArrayList;


public class ClassRosterNStudentRunner
{
    
    public ClassRosterNStudentRunner()
    {
	ArrayList<Student> students = new   ArrayList<Student>();
        
    Student vinnie = new Student("vinnie", 16) ;
    Student amelia = new Student("Amelia", 15 );
    Student daniyal = new Student("Daniyal ", 16 );
    Student rany = new Student("rany ", 17 );
    Student haku = new Student("haku ", 17 );
    Student ryan = new Student("ryan ", 666 );

    //add 3 students to the arraylist
    students.add(vinnie );
    students.add(amelia);
    students.add(daniyal );
    students.add(rany );
    students.add(haku );
    students.add(ryan );
   

        ClassRoster cr = new ClassRoster();
        int correct = 0 ;    
        int wrong = 0 ;    


        p("----------Begin testing ClassRoster ----------");
        boolean nullAtDefault = false;
          try{
            cr.addStudent(vinnie);
        	}
        catch(NullPointerException  e){ 
				nullAtDefault = true; 
			}


        if(nullAtDefault)
            {
            wrong++ ;
            p("Error. Probably never initialized myStudents ArrayList @ default constructor") ;  
            cr.addStudent(vinnie); // let runtime error actually happen this time
            }
        else{
            correct++;
            }
	
		int period = 2 ;
		cr = new ClassRoster( 2 );
       boolean nullAtNonDefault = false ; 
          try{
            cr.addStudent(vinnie);
        	}
        catch(NullPointerException  e){ 
				nullAtNonDefault = true; 
			}


        if(nullAtNonDefault)
            {
            wrong++ ;
            p("Error. Probably never initialized myStudents ArrayList @ NON default constructor") ;  
            cr.addStudent(vinnie); // let runtime error actually happen this time
            }
        else{
            correct++;
            }

		//done testing constructors for non initialized variables
		//

	

   

		if(cr.contains(vinnie) == false )
            {
            wrong++ ;
			p("contains() error");
			}
		else{
			correct++;
		}



		if(cr.contains(new Student("Tim", 42))  )
            {
            wrong++ ;
			p("contains(Student st) error ");
			}
		else{
			correct++;
		}
		//cr is still empty
		if(cr.contains(amelia.getSSN()) == true )
            {
            wrong++ ;
			p("contains(int ssnId) error");
			}
		else{
			correct++;
		}

		//now add the studetns to the classRoster
	for(Student st: students)
		cr.addStudent(st);


		//should work this time
		if(cr.contains(amelia.getSSN()) == false )
            {
            wrong++ ;
			p("contains(int ssnId) error");
			}
		else{
			correct++;
			}

	if(cr.equals(new ClassRoster()))
            {
            wrong++ ;
			p("equals()) error");
			}
		else{
			correct++;
			}
		//test mutators

	//new student
	ArrayList<Student> studentsNow = cr.getStudents();
	int num  = studentsNow.size();
	Student jorge = new Student("jorge");

	cr.addStudent(jorge);
	cr.addStudent(new Student("dimitry", 16));

	if( num  + 2 == cr.getStudents().size())
		correct++;
	else{
		p("addStudent() and/or addStudent(Student st) not working") ;
		wrong++;
	}


	
	studentsNow = cr.getStudents();
	num  = studentsNow.size();
	cr.removeStudent(amelia.getSSN());

	if( num  - 1 == cr.getStudents().size())
		correct++;
	else{
		p("removeStudent(int ssnId) error ") ;
		wrong++;
	}




	studentsNow = cr.getStudents();
	num  = studentsNow.size();
	cr.removeStudent(haku) ;



	if( num  - 1 == cr.getStudents().size())
		correct++;
	else{
		p("removeStudent(Student st) error ") ;
		wrong++;
	}




	studentsNow = cr.getStudents();
	num  = studentsNow.size();
	cr.removeStudent(rany.getName()) ;



	if( num  - 1 == cr.getStudents().size())
		correct++;
	else{
		p("removeStudent(String name) error ") ;
		wrong++;
	}

     p("----------End testing ClassRoster ----------");
    

	p("*************** Test results ******************************") ;
	p("***********************************************************") ;
	p("***********************************************************") ;
	p("\t\t No. correct " + correct);

	p("\t\t No. wrong : " + wrong);

	p("***********************************************************") ;
	p("***********************************************************") ;
	p("***********************************************************") ;


	}
 
    
    

void p(int i){
System.out.println(i);
}
void p(String i){
System.out.println(i);
}
void p(double i){
System.out.println(i);
}
void p(boolean i){
System.out.println(i);
}