// /**
//  * File: PromiseTests.cs
//  * Author: haraldwolff
//  *
//  * This file and it's content is copyrighted by the Author and / or copyright holder.
//  * Any use wihtout proper permission is illegal and may lead to legal actions.
//  *
//  *
//  **/
using NUnit.Framework;
using System;
using System.Threading;
namespace ln.types.test
{
    [TestFixture()]
    public class PromiseTests
    {
        [Test()]
        public void TestCase()
        {
            object l = new object();
            lock (l)
            {
                new Promise<int>((resolve, reject) =>
                {
                    resolve(2);
                })
                .Then<double>(
                (value, resolve, reject) => {
                    resolve(value);
                })
                .Then((value) =>
                {
                    Console.WriteLine("Double Value: {0}",value);
                })
                .Finally(() => {
                    lock (l)
                    {
                       Monitor.PulseAll(l);
                    }
                });


                if (!Monitor.Wait(l, 500))
                    throw new TimeoutException();
            }
        }

        [Test()]
        public void PromiseAll()
        {
            Promise<int>[] promises = new Promise<int>[5];
            for (int n = 0; n < promises.Length; n++)
            {
                promises[n] = new Promise<int>((resolve, reject) =>
                {
                    ThreadPool.QueueUserWorkItem((state) =>
                    {
                        Thread.Sleep(100 * n);
                        resolve(n);
                    });
                });
            }

            lock (promises)
            {
                Promise<int>
                .All(promises)
                .Then((value) =>
                {
                    lock(promises)
                        Monitor.PulseAll(promises);
                });

                if (!Monitor.Wait(promises, 1500))
                    throw new TimeoutException();
            }
        }

        [Test()]
        public void PromiseRace()
        {
            Promise<int>[] promises = new Promise<int>[5];
            for (int n = 0; n < promises.Length; n++)
            {
                promises[n] = new Promise<int>((resolve, reject) =>
                {
                    ThreadPool.QueueUserWorkItem((state) =>
                    {
                        Thread.Sleep(100 * n);
                        resolve(n);
                    });
                });
            }

            lock (promises)
            {
                Promise<int>
                .Race(promises)
                .Then((value) =>
                {
                    lock (promises)
                        Monitor.PulseAll(promises);
                });

                if (!Monitor.Wait(promises, 1500))
                    throw new TimeoutException();
            }
        }


    }
}