public void PermissionState_None ()
{
PermissionState ps = PermissionState.None;
PrintingPermission pp = new PrintingPermission (ps);
Assert.AreEqual (PrintingPermissionLevel.NoPrinting, pp.Level, "Level");
Assert.IsFalse (pp.IsUnrestricted (), "IsUnrestricted");
SecurityElement se = pp.ToXml ();
// only class and version are present
Assert.AreEqual ("NoPrinting", se.Attribute ("Level"), "Xml-Level");
Assert.IsNull (se.Children, "Xml-Children");
PrintingPermission copy = (PrintingPermission)pp.Copy ();
Assert.IsFalse (Object.ReferenceEquals (pp, copy), "ReferenceEquals");
Assert.AreEqual (pp.Level, copy.Level, "Level");
Assert.AreEqual (pp.IsUnrestricted (), copy.IsUnrestricted (), "IsUnrestricted ()");
}
public override IPermission Union(IPermission target)
{
PrintingPermission pp = Cast(target);
if (pp == null)
{
return(new PrintingPermission(_Level));
}
if (IsUnrestricted() || pp.IsUnrestricted())
{
return(new PrintingPermission(PermissionState.Unrestricted));
}
if (IsEmpty() && pp.IsEmpty())
{
return(null);
}
PrintingPermissionLevel level = (_Level > pp.Level) ? _Level : pp.Level;
return(new PrintingPermission(level));
}