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using System;
namespace MonoVirtuals
{
class X { }
class Y : X { }
class A
{
public virtual int f (X o)
{
System.Console.WriteLine ("In A for X");
return 5;
}
public virtual int f (Y o)
{
System.Console.WriteLine ("In A for Y");
return 10;
}
public virtual int this[X o]
{
get
{
System.Console.WriteLine ("In A for X");
return 5;
}
}
public virtual int this[Y o]
{
get
{
System.Console.WriteLine ("In A for Y");
return 10;
}
}
}
class B : A
{
public override int f (X o)
{
base.f (o);
throw new ApplicationException ("should not be called");
}
public override int this[X o]
{
get
{
base.f (o);
throw new ApplicationException ("should not be called");
}
}
}
class C : B
{
public override int f (X o)
{
System.Console.WriteLine ("In C for X");
return base.f (o);
}
public override int f (Y o)
{
System.Console.WriteLine ("In C for Y");
return base.f (o);
}
public override int this[X o]
{
get
{
System.Console.WriteLine ("In C for X");
return base.f (o);
}
}
public override int this[Y o]
{
get
{
System.Console.WriteLine ("In C for Y");
return base.f (o);
}
}
}
class MainClass
{
public static int Main ()
{
var o = new Y ();
var c = new C ();
if (c.f (o) != 10)
return 1;
if (c[o] != 10)
return 2;
return 0;
}
}
}
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