public void TestEmptyTableArth()
{
var calc = new AverageCalc();
var emptyTable = new SubjectDetailsViewModel[1];
var result = calc.Average(emptyTable);
}
public void TestArthMean()
{
var rnd = new Random();
List<SubjectDetailsViewModel> grades = new List<SubjectDetailsViewModel>();
var sum = 0.0;
for (var i = 0; i < 5; i++)
{
var val = rnd.Next(2, 6);
var weight = rnd.Next(1, 10);
var grade = new SubjectDetailsViewModel()
{
grade_value = val,
grade_weight = weight
};
grades.Add(grade);
sum += val;
}
var mean = Math.Round(sum/(grades.Count), 2);
var calc = new AverageCalc();
var result = calc.Average(grades.ToArray());
Assert.AreEqual(mean, result);
}