public void computeLetterGrade()
{
Grades.GradeBook book = new Grades.GradeBook();
book.AddGrade(78);
book.AddGrade(99);
book.AddGrade(1);
Grades.Statistics result = book.ComputeStatistics();
Assert.AreEqual("F", result.LetterGrade);
}
public void computesHighestGrade()
{
Grades.GradeBook book = new Grades.GradeBook();
book.AddGrade(78);
book.AddGrade(99);
book.AddGrade(1);
Grades.Statistics result = book.ComputeStatistics();
Assert.AreEqual(99, result.GetHighestGrade());
}
public void computeAverageGrade()
{
Grades.GradeBook book = new Grades.GradeBook();
book.AddGrade(78);
book.AddGrade(99);
book.AddGrade(1);
Grades.Statistics result = book.ComputeStatistics();
Assert.AreEqual(59.33, result.GetAverGrade(), 0.01);
}