public class StartGrading {
	public static void testCourse() 
	{	//Since we cannot create any Course object, 
		//the testAnimal method of the Course class must be empty.  
	}
	
	public static void testMajorRequired()  
	{   
		//create a Base object 
		Base b = new Base("DS1001","EntryCourse"); 
		//create a first MajorRequired object with the base course as pre-requisite 
		MajorRequired mr1 = new MajorRequired("DS200X","OOP",b); 
		//create a second MajorRequired object with the first major required course as pre-requisite 
		MajorRequired mr2 = new MajorRequired("DS300X","Data Mining",mr1); 
		 
		//test mr1 
		System.out.println(mr1.getCode()=="DS200X"); 
		System.out.println(mr1.getTitle()=="OOP"); 
		System.out.println(mr1.getPreRequisite() == b); 
		 
		//test mr2 
		System.out.println(mr2.getCode()=="DS300X"); 
		System.out.println(mr2.getTitle()=="Data Mining"); 
		System.out.println(mr2.getPreRequisite() == mr1); 
    }

	public static void testMajorElective()  
	{   
		//create a Base object 
		Base b = new Base("DS1001","EntryCourse"); 
		//create a first MajorRequired object with the base course as pre-requisite 
		MajorRequired mr1 = new MajorRequired("DS200X","OOP",b); 
		//create a MajorElective object with the major required course as pre-requisite 
		MajorElective me1 = new MajorElective("DS300X","Data Mining",mr1); 
		 
		//test mr1 
		System.out.println(mr1.getCode()=="DS200X"); 
		System.out.println(mr1.getTitle()=="OOP"); 
		System.out.println(mr1.getPreRequisite() == b); 
		 
		//test mr2 
		System.out.println(me1.getCode()=="DS300X"); 
		System.out.println(me1.getTitle()=="Data Mining"); 
		System.out.println(me1.getPreRequisite() == mr1); 
	} 
	
	public static void testBase()  
	{ 
		Base b = new Base("DS1001", "EntryCourse"); 
		System.out.println(b.getCode() == "DS1001"); 
		System.out.println(b.getTitle() == "EntryCourse"); 
		//System.out.println(b.isRequired() == true); 
		System.out.println(b.getPreRequisite() == b); 
	} 

	public static void testManyCourses() 
	{ 
		Base b = new Base("DS1001","EntryCourse"); 
		MajorRequired mr1 = new MajorRequired("DS200X","OOP",b); 
		MajorElective me1 = new MajorElective("DS300X","Data Mining",mr1); 
		ManyCourses mc = new ManyCourses(); 
		mc.addCourse(b); 
		mc.addCourse(mr1); 
		mc.addCourse(me1); 
		mc.listCourses(); 
	} 
	
	public static void main(String[] args)  
	{ 
		testCourse(); 
		testBase(); 
		testMajorRequired(); 
		testMajorElective(); 
		testManyCourses(); 
	} 
}