public void ComputesAverageGrade()
{
GradeBook book = new GradeBook();
book.AddGrade(10);
book.AddGrade(90);
GradeSatistics stats = book.ComputeStatistics();
Assert.AreEqual(50, stats.AverageGrade);
}
public void ComputesLowestGrade()
{
GradeBook book = new GradeBook();
book.AddGrade(10);
book.AddGrade(90);
GradeSatistics stats = book.ComputeStatistics();
Assert.AreEqual(10, stats.LowestGrade);
}