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//<Title>Nullable types lift the ToString() method from the underlying struct</Title>
//<Description>
// A nullable type with a value returns the ToString() from the underlying struct
//</Description>
#pragma warning disable 0649
using System;
interface BaseInter { }
interface GenInter<T> { }
struct Struct { }
struct ImplStruct : BaseInter { }
struct OpenGenImplStruct<T> : GenInter<T> { }
struct CloseGenImplStruct : GenInter<int> { }
class Foo { }
class NullableTest1
{
static int? i = new int?(1);
static Struct? s = new Struct?(new Struct());
static ImplStruct? imps = new ImplStruct?(new ImplStruct());
static OpenGenImplStruct<Foo>? genfoo = new OpenGenImplStruct<Foo>?(new OpenGenImplStruct<Foo>());
static CloseGenImplStruct? genint = new CloseGenImplStruct?(new CloseGenImplStruct());
public static void Run()
{
Test.Eval(i.ToString(), 1.ToString());
Test.Eval(s.ToString(), default(Struct).ToString());
Test.Eval(imps.ToString(), default(ImplStruct).ToString());
Test.Eval(genfoo.ToString(), default(OpenGenImplStruct<Foo>).ToString());
Test.Eval(genint.ToString(), default(CloseGenImplStruct).ToString());
}
}
class NullableTest2
{
static int? i;
static Struct? s;
static ImplStruct? imps;
static OpenGenImplStruct<Foo>? genfoo;
static CloseGenImplStruct? genint;
public static void Run()
{
Test.Eval(i.ToString(), "");
Test.Eval(s.ToString(), "");
Test.Eval(imps.ToString(), "");
Test.Eval(genfoo.ToString(), "");
Test.Eval(genint.ToString(), "");
}
}
class NullableTests
{
public static void Run()
{
NullableTest1.Run();
NullableTest2.Run();
}
}
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