●●● ●●●●● ●●●● ●●●●● Course Sample ●●●● ●●0● public class student Test extends TestCase i public void testTake Coursed t CourseEvaluation Factory system= CourseEvaluation Factory getinstanceo Course course= factory create Course("OOT","面向对象技术); Student student=factory create Student(001","test") int size course. getStudents(size student take Course(course) assertEquals(size+ 1, course. get Students( sized)Course Sample public class StudentTest extends TestCase { public void testTakeCourse() { CourseEvaluationFactory system = CourseEvaluationFactory.getInstance(); ICourse course = factory.createCourse("OOT","面向对象技术"); IStudent student = factory.createStudent("001", "test"); int size = course.getStudents().size(); student.takeCourse(course); assertEquals(size+1, course.getStudents().size()); } }