50 lines
502 B
C#
50 lines
502 B
C#
using System;
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class A
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{
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public static int operator + (short x, A b)
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{
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return -1;
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}
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public static int operator - (A a)
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{
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return -1;
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}
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}
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class B : A
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{
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public static int operator + (int x, B d)
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{
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return 1;
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}
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public static int operator - (B b)
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{
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return 1;
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}
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}
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class C : B
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{
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}
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public class Test
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{
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public static int Main ()
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{
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var b = new B ();
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short s = 3;
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var res = s + b;
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if (res != 1)
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return 1;
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var c = new C ();
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if (-c != 1)
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return 2;
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return 0;
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}
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} |