72 lines
981 B
C#
72 lines
981 B
C#
// Tests broken equality and inequality operators
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using System;
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struct Foo
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{
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public static bool operator == (Foo d1, Foo d2)
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{
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throw new ApplicationException ();
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}
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public static bool operator != (Foo d1, Foo d2)
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{
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throw new ApplicationException ();
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}
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}
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struct S2
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{
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public static bool operator == (S2 d1, S2? d2)
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{
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throw new ApplicationException ();
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}
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public static bool operator != (S2 d1, S2? d2)
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{
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throw new ApplicationException ();
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}
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}
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public struct S3
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{
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public static decimal operator != (S3 a, object b)
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{
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return -1;
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}
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public static decimal operator == (S3 a, object b)
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{
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return 1;
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}
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}
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public class Test
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{
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static Foo ctx;
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static S2? s2;
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static S3? s3;
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public static int Main ()
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{
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if (ctx == null)
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return 1;
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bool b = ctx != null;
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if (!b)
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return 2;
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if (s2 != null)
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return 3;
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s3 = new S3 ();
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decimal d = s3.Value == null;
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if (d != 1)
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return 4;
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Console.WriteLine ("ok");
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return 0;
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}
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}
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