/// <summary>
/// Test whether the collection is ordered
/// </summary>
/// <param name="actual"></param>
/// <returns></returns>
protected override bool doMatch(IEnumerable actual)
{
object previous = null;
int index = 0;
foreach (var obj in actual)
{
object objToCompare = obj;
if (obj == null)
{
throw new ArgumentNullException("actual", "Null value at index " + index.ToString());
}
if (propertyName != null)
{
PropertyInfo prop = obj.GetType().GetProperty(propertyName);
objToCompare = prop.GetValue(obj, null);
if (objToCompare == null)
{
throw new ArgumentNullException("actual", "Null property value at index " + index.ToString());
}
}
if (previous != null)
{
//int comparisonResult = comparer.Compare(al[i], al[i + 1]);
int comparisonResult = comparer.Compare(previous, objToCompare);
if (descending && comparisonResult < 0)
{
return(false);
}
if (!descending && comparisonResult > 0)
{
return(false);
}
}
previous = objToCompare;
index++;
}
return(true);
}
