Access the private and protected members of objects through reflection

Using System;
Using System. Collections. Generic;
Using System. LINQ;
Using System. text;
Using Nunit. Framework;
Using System. reflection;
Namespace Com. XXX. utils
{
///   <Summary>
/// Unit Test Tool
///   </Summary>
Public   Static   Class Unittesthelper
{
Public   Static   Void Assertexception < Tcallback >
( String Errormessage,
Tcallback callbackmethod,
Params   Object [] Parameters)
{
Object Method = Callbackmethod As   Object ;
Bool Hasexception =   False ;
Try
{
(Delegate) method). dynamicinvoke (parameters );
}
Catch (Exception E)
{
Hasexception =   True ;
Assert. areequal (errormessage, E. innerexception. Message );
}
If ( ! Hasexception)
{
Throw   New Exception (errormessage +   " Exception not found! " );
}
}
Public   Static   Void Setnonpublicfield ( Object OBJ, String Fieldname, Object Newvalue)
{
Try
{
Fieldinfo Field = OBJ. GetType (). getfield (fieldname,
Bindingflags. nonpublic | Bindingflags. instance );
Field. setvalue (OBJ, newvalue );
}
Catch (Exception E)
{
Throw E. innerexception;
}
}
Public   Static   Object Getnonpublicfield ( Object OBJ, String Fieldname)
{
Try
{
Fieldinfo Field = OBJ. GetType (). getfield (fieldname,
Bindingflags. nonpublic | Bindingflags. instance );
Return Field. getvalue (OBJ );
}
Catch (Exception E)
{
Throw E. innerexception;
}
}
Public   Static   Void Setnonpublicproperty ( Object OBJ, String Propertyname, Object Newvalue)
{
Try
{
Propertyinfo Property = OBJ. GetType (). getproperty (propertyname,
Bindingflags. nonpublic | Bindingflags. instance );
Property. setvalue (OBJ, newvalue, Null );
}
Catch (Exception E)
{
Throw E. innerexception;
}
}
Public   Static   Object Getnonpublicproperty ( Object OBJ, String Propertyname)
{
Try
{
Propertyinfo Property = OBJ. GetType (). getproperty (propertyname,
Bindingflags. nonpublic | Bindingflags. instance );
Return Property. getvalue (OBJ, Null );
}
Catch (Exception E)
{
Throw E. innerexception;
}
}
Public   Static   Object Callnonpublicmethod ( Object OBJ, String Methodname, Params   Object [] ARGs)
{
Try
{
Methodinfo Method = OBJ. GetType (). getmethod (methodname,
Bindingflags. nonpublic | Bindingflags. instance );
Return Method. Invoke (OBJ, argS );
}
Catch (Exception E)
{
Throw E. innerexception;
}
}
}
} Using System;
Using System. Collections. Generic;
Using System. LINQ;
Using System. text;
Using Nunit. Framework;
Using Com. XXX. utils;
Namespace Com. XXX. XXX. Test. utils
{
Public   Class A
{
Private   Int PRI;

Protected StringPro;

Protected StringPro {Get;Set;}

Private   String Primethod ( String Hello)
{
Return Hello +   " Xhan PRI " ;
}
Protected   String Promethod ( String Hello)
{
Return Hello +   " Xhan pro " ;
}

}
[Testfixture]
Public   Class Unittesthelpertest
{
[Test]
Public   Void Testsetgetnonpoublicfield ()
{
A =   New A ();
Unittesthelper. setnonpublicfield (, " PRI " , 1 );

IntPRI=(Int) Unittesthelper. getnonpublicfield (,"PRI");
Assert. areequal (1, PRI );

Unittesthelper. setnonpublicfield (, " Pro " , " Hello " );
Assert. areequal ( " Hello " , Unittesthelper. getnonpublicfield (, " Pro " ). Tostring ());
}
[Test]
Public   Void Testgetsetnonpublicproperty ()
{
A =   New A ();
Unittesthelper. setnonpublicproperty (, " Pro " , " Xhan " );
Assert. areequal ( " Xhan " , Unittesthelper. getnonpublicproperty (, " Pro " ));
}
[Test]
Public   Void Testcallnonpublicmethod ()
{
A =   New A ();
String Priresult = Unittesthelper. callnonpublicmethod (, " Primethod " , " Ni Hao " ). Tostring ();

Assert. areequal ("Ni Hao xhan PRI", Priresult );

string proresult = unittesthelper. callnonpublicmethod (A, " promethod " , " Ni hao " ). tostring ();

assert. areequal ( " Ni hao xhan pro " , proresult);
}< BR >}< br>