C#

Member 13624012 wrote:

Don't you think that testing only the public methods creates a problem?

Member 13624012 wrote:

When a test of a public method fails, it is not clear where it fails. Is it in the public method called directly by the test, or in a private method called by the public method?

var q = 
                    from a1 in dt_Jobs.AsEnumerable()
                    orderby a1.Field<String>("City")
                    where (a1.Field<String>("City") != null)
                    select a1.Field<String>("City");
                var lstCity = q.Distinct().ToList();
                cboCity.DataSource = lstCity;

public static IEnumerable<Tuple<int, double>> LocalPeakMinMax(IEnumerable<double> source, int windowSize)
{
    if (windowSize < 2) windowSize = 2;
    
    windowSize = windowSize - windowSize % 2 + 1;
    int halfWindow = windowSize / 2;
    int index = 0;
    var before = new Queue<double>(Enumerable.Repeat(double.NegativeInfinity, halfWindow));
    var after = new Queue<double>(source.Take(halfWindow + 1));

    foreach (double d in source.Skip(halfWindow + 1).Concat(Enumerable.Repeat(double.NegativeInfinity, halfWindow + 1)))
    {
        double curVal = after.Dequeue();
        if (before.All(x => curVal > x ) && after.All(x => curVal >= x ))
        {
            yield return Tuple.Create(index, curVal);
        }
        else 
        if (before.All(x => curVal <= x) && after.All(x => curVal < x))
        {
            yield return Tuple.Create(index, curVal);
        }

        before.Dequeue();
        before.Enqueue(curVal);
        after.Enqueue(d);
        index++;
        }
    }