public static void Cast_Empty(Labeled <ParallelQuery <int> > labeled, int count)
{
ParallelQuery <int> empty = labeled.Item;
Assert.IsAssignableFrom <ParallelQuery <int> >(empty.Cast <string>().Cast <int>());
Assert.Empty(empty.Cast <string>().Cast <int>());
Assert.Empty(empty.Cast <string>().Cast <int>().ToList());
}
public static void Cast_Unordered_Empty()
{
ParallelQuery <int> empty = UnorderedSources.Default(0);
Assert.IsAssignableFrom <ParallelQuery <int> >(empty.Cast <string>().Cast <int>());
Assert.Empty(empty.Cast <string>().Cast <int>());
Assert.Empty(empty.Cast <string>().Cast <int>().ToList());
}
//
// Left operator factory methods
//
internal static ParallelQuery <int> MakeCast(bool orderPreserved)
{
object[] a = Enumerable.Range(0, 100).Cast <object>().ToArray();
ParallelQuery <object> ipe = a.AsParallel();
if (orderPreserved)
{
ipe = ipe.AsOrdered();
}
return(ipe.Cast <int>());
}