@Test
public void testReport() throws Exception {

	Schedule.deleteAll();
	Course cs101 = Course.create("CS101", 3);
	cs101.update();
	Offering off1 = Offering.create(cs101, "M10");
	off1.update();
	Offering off2 = Offering.create(cs101, "T9");
	off2.update();
	Schedule s = Schedule.create("Bob");
	s.add(off1);
	s.add(off2);
	s.update();
	Schedule s2 = Schedule.create("Alice");
	s2.add(off1);
	s2.update();
	Report report = new Report();
	StringBuffer buffer = new StringBuffer();
	report.write(buffer);
	String result = buffer.toString();
	String valid1 = "CS101 M10\n\tAlice\n\tBob\n" + "CS101 T9\n\tBob\n"
			+ "Number of scheduled offerings: 2\n";
	String valid2 = "CS101 T9\n\tBob\n" + "CS101 M10\n\tAlice\n\tBob\n"
			+ "Number of scheduled offerings: 2\n";
	assertTrue(result.equals(valid1) || result.equals(valid2));
}