public void TestWriteXSINill()
{
StudentPersonal sp = new StudentPersonal();
sp.RefId = Adk.MakeGuid();
sp.StateProvinceId = "\u06DE55889";
sp.LocalId = "987987987987987";
Name name = new Name(NameType.LEGAL, "Johnson", "Steve");
sp.Name = name;
name.SetField( CommonDTD.NAME_TYPE, new SifString( null ) );
name.SetField(CommonDTD.NAME_MIDDLENAME, new SifString(null));
SIF_ExtendedElement see = new SIF_ExtendedElement("FOO", null );
see.SetField(GlobalDTD.SIF_EXTENDEDELEMENT, new SifString(null));
see.XsiType = "Integer";
sp.SIFExtendedElementsContainer.Add(see);
sp.SetField( StudentDTD.STUDENTPERSONAL_LOCALID, new SifString( null ) );
Console.WriteLine(sp.ToXml());
StudentPersonal copy = (StudentPersonal)AdkObjectParseHelper.WriteParseAndReturn(sp, SifVersion.LATEST, null, true);
Console.WriteLine(copy.ToXml());
name = copy.Name;
Assert.IsNull(name.Type);
Assert.IsNull(name.MiddleName);
Assert.IsNotNull(name.FirstName);
Assert.IsNotNull(name.LastName);
// Attributes cannot be represented using xs nil
SimpleField field = name.GetField(CommonDTD.NAME_TYPE);
Assert.IsNull(field);
field = name.GetField(CommonDTD.NAME_MIDDLENAME);
Assert.IsNotNull(field);
Assert.IsNull(field.Value);
see = copy.GetSIFExtendedElement("FOO");
field = see.GetField(GlobalDTD.SIF_EXTENDEDELEMENT);
Assert.IsNotNull(field);
Assert.IsNull(field.Value);
field = copy.GetField(StudentDTD.STUDENTPERSONAL_LOCALID);
Assert.IsNotNull(field);
Assert.IsNull(field.Value);
}