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using System;
using System.Threading.Tasks;
using System.Threading;
using System.Collections;
using System.Collections.Generic;
interface IFoo
{
int Value { get; set; }
}
struct S : IFoo
{
public S (int a1, string a2)
: this ()
{
Value = a1;
}
public int Value { get; set; }
public void SetValue (int value)
{
Value = value;
}
}
struct S2 : IEnumerable
{
public List<int> Values;
public void Add (int x)
{
if (Values == null)
Values = new List<int> ();
Values.Add(x);
}
public IEnumerator GetEnumerator()
{
return Values as IEnumerator;
}
}
class Tester
{
async Task<T> NewInitTestGen<T> () where T : struct, IFoo
{
var s = new T () {
Value = await Task.Factory.StartNew (() => 13).ConfigureAwait (false)
};
if (s.Value != 13)
return new T ();
return s;
}
static async Task<int> NewInitCol ()
{
var s = new S2 {
await Task.FromResult (1),
await Task.Factory.StartNew (() => 2)
};
return s.Values [0] + s.Values [1];
}
public static int Main ()
{
var t = new Tester().NewInitTestGen<S> ();
if (!Task.WaitAll (new[] { t }, 1000)) {
return 1;
}
if (t.Result.Value != 13)
return 2;
var v = NewInitCol ().Result;
if (v != 3)
return 3;
return 0;
}
}
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