public void ComputeLowestGrade()
{
GradeBook book = new GradeBook();
book.AddGrade(90);
book.AddGrade(30);
GradeStats stats = book.ComputeStats();
Assert.AreEqual(30, stats.LowestGrade);
}
public void ComputeAverageGrade()
{
GradeBook book = new GradeBook();
book.AddGrade(90);
book.AddGrade(80);
book.AddGrade(30);
GradeStats stats = book.ComputeStats();
Assert.AreEqual(66.66f, stats.AverageGrade, 0.01f);
}