public void ContainsTest() { SchoolDay schoolDay = new SchoolDay(); Assert.IsFalse(schoolDay.Contains(new TimeRange())); Assert.IsFalse(schoolDay.Contains(new TimeBlock())); Assert.IsTrue(schoolDay.Contains(schoolDay.Lesson1)); Assert.IsTrue(schoolDay.Contains(schoolDay.Break1)); Assert.IsTrue(schoolDay.Contains(schoolDay.Lesson2)); Assert.IsTrue(schoolDay.Contains(schoolDay.Break2)); Assert.IsTrue(schoolDay.Contains(schoolDay.Lesson3)); Assert.IsTrue(schoolDay.Contains(schoolDay.Break3)); Assert.IsTrue(schoolDay.Contains(schoolDay.Lesson4)); schoolDay.Remove(schoolDay.Lesson1); Assert.IsFalse(schoolDay.Contains(schoolDay.Lesson1)); }