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