50 lines
840 B
C#
50 lines
840 B
C#
using System;
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public interface ICommon {
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int DoIt ();
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}
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public class Base : ICommon {
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int ICommon.DoIt () { return 1; }
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public virtual int DoIt () { return 2; }
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}
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public class Derived : Base, ICommon {
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int ICommon.DoIt () { return 3; }
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public new virtual int DoIt () { return 4; }
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}
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public class ReallyDerived : Derived {
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public override int DoIt () { return 5; }
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}
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public class Test {
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static int Main () {
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ReallyDerived r1 = new ReallyDerived ();
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Derived r2 = r1;
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Base r3 = r1;
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ICommon r4 = r1;
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Object r5 = r1;
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if (r1.DoIt() != 5)
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return 1;
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// Console.WriteLine ("TEST {0}", ((ICommon)r1).DoIt ());
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if (((ICommon)r1).DoIt() != 3)
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return 2;
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if (r2.DoIt() != 5)
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return 3;
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if (r3.DoIt() != 2)
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return 4;
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if (r4.DoIt() != 3)
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return 5;
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return 0;
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}
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}
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