private IList <T> TryCast <T>(int index, IList list)
{
var result = list as IList <T>;
if (result == null)
{
var t = GenericIListExtensions.GetDataType(list);
throw new ArgumentException($"Column {index} type mismatch: expected type is {typeof(T).Name}, but actual type is {t.Name}");
}
return(result);
}
public void TestSortBy()
{
var s = new [] { 1, 2, 3, 4 };
var by = new [] { 4, 3, 1, 2 };
var t = GenericIListExtensions.SortBy(s, by);
Assert.Equal(new[] { 3, 4, 2, 1 }, t);
GenericIListExtensions.SortByFill(s, by);
Assert.Equal(new[] { 3, 4, 2, 1 }, s);
}
public void TestGetDataType()
{
var t1 = GenericIListExtensions.GetDataType(new int[0]);
Assert.Equal(typeof(int), t1);
var t2 = GenericIListExtensions.GetDataType(new List <double>());
Assert.Equal(typeof(double), t2);
var t3 = GenericIListExtensions.GetDataType(new ArrayList());
Assert.Equal(typeof(object), t3);
}
public static PSObject Mode(PSObject self, bool skipNaN = true)
{
object array = self.BaseObject;
// Convert values to double if they are not numeric
var type = array.GetType().GetElementType();
if (!Utils.IsNumeric(type))
{
array = SmartConverter.ConvertTo <double>((dynamic)array);
}
return(GenericIListExtensions.Mode((dynamic)array, skipNaN));
}