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