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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
//
using System;
public struct ValX0 { }
public struct ValY0 { }
public struct ValX1<T> { }
public struct ValY1<T> { }
public struct ValX2<T, U> { }
public struct ValY2<T, U> { }
public struct ValX3<T, U, V> { }
public struct ValY3<T, U, V> { }
public class RefX0 { }
public class RefY0 { }
public class RefX1<T> { }
public class RefY1<T> { }
public class RefX2<T, U> { }
public class RefY2<T, U> { }
public class RefX3<T, U, V> { }
public class RefY3<T, U, V> { }
public class GenBase<T>
{
public virtual Type MyVirtType()
{
return typeof(GenBase<T>);
}
}
public class Gen<T> : GenBase<T>
{
public override Type MyVirtType()
{
return typeof(Gen<T>);
}
}
public class Converter<T>
{
public bool ToGenBaseOfT(object src, bool invalid, Type t)
{
try
{
GenBase<T> dst = (GenBase<T>)src;
if (invalid)
{
return false;
}
return dst.MyVirtType().Equals(t);
}
catch (InvalidCastException)
{
return invalid;
}
catch
{
return false;
}
}
public bool ToGenOfT(object src, bool invalid, Type t)
{
try
{
Gen<T> dst = (Gen<T>)src;
if (invalid)
{
return false;
}
return dst.MyVirtType().Equals(t);
}
catch (InvalidCastException)
{
return invalid;
}
catch
{
return false;
}
}
}
public class Test
{
public static int counter = 0;
public static bool result = true;
public static void Eval(bool exp)
{
counter++;
if (!exp)
{
result = exp;
Console.WriteLine("Test Failed at location: " + counter);
}
}
public static int Main()
{
Eval(new Converter<int>().ToGenOfT(new Gen<int>(), false, typeof(Gen<int>)));
Eval(new Converter<int>().ToGenBaseOfT(new Gen<int>(), false, typeof(Gen<int>)));
Eval(new Converter<int>().ToGenBaseOfT(new GenBase<int>(), false, typeof(GenBase<int>)));
Eval(new Converter<int>().ToGenOfT(new GenBase<int>(), true, null));
Eval(new Converter<string>().ToGenOfT(new Gen<int>(), true, null));
Eval(new Converter<string>().ToGenBaseOfT(new Gen<int>(), true, null));
Eval(new Converter<string>().ToGenBaseOfT(new GenBase<int>(), true, null));
Eval(new Converter<string>().ToGenOfT(new GenBase<int>(), true, null));
Eval(new Converter<string>().ToGenOfT(new Gen<string>(), false, typeof(Gen<string>)));
Eval(new Converter<string>().ToGenBaseOfT(new Gen<string>(), false, typeof(Gen<string>)));
Eval(new Converter<string>().ToGenBaseOfT(new GenBase<string>(), false, typeof(GenBase<string>)));
Eval(new Converter<string>().ToGenOfT(new GenBase<string>(), true, null));
Eval(new Converter<int>().ToGenOfT(new Gen<string>(), true, null));
Eval(new Converter<int>().ToGenBaseOfT(new Gen<string>(), true, null));
Eval(new Converter<int>().ToGenBaseOfT(new GenBase<string>(), true, null));
Eval(new Converter<int>().ToGenOfT(new GenBase<string>(), true, null));
if (result)
{
Console.WriteLine("Test Passed");
return 100;
}
else
{
Console.WriteLine("Test Failed");
return 1;
}
}
}
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