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using System;
struct S
{
}
abstract class B1<T1, T2>
{
public abstract void Test<U> (U x) where U : struct, T1, T2;
}
abstract class B2<T1, T2>
{
public abstract void Test<U> (U x) where U : class, T1, T2;
}
class C1 : B1<S, ValueType>
{
public override void Test<U> (U x)
{
}
}
class C2 : B2<string, object>
{
public override void Test<U> (U x)
{
}
}
class Test
{
public static int Main ()
{
var m = typeof (C1).GetMethod ("Test");
var ta = m.GetGenericArguments ()[0].GetGenericParameterConstraints ();
if (ta.Length != 2)
return 1;
m = typeof (C2).GetMethod ("Test");
ta = m.GetGenericArguments ()[0].GetGenericParameterConstraints ();
if (ta.Length != 1)
return 2;
Console.WriteLine ("ok");
return 0;
}
}