public void BookCalculatesAnAverageGrade()
{
//arrange
var book = new InMemeryBook("");
book.AddGrade(89.9);
book.AddGrade(91.9);
book.AddGrade(79.9);
//act
var result = book.GetStatistics();
//assert
Assert.Equal(87.2, result.Average, 1);
Assert.Equal(91.9, result.High, 1);
Assert.Equal(79.9, result.Low, 1);
Assert.Equal('B', result.letter);
}
private void SetName(InMemeryBook book, string name)
{
book.Name = name;
}
private void GetBookSetName(InMemeryBook book, string name)
{
book = new InMemeryBook(name);
}
