using System;
using System.Collections.Generic;
using System.Collections;
using System.Linq;
using System.Text;
using Dreadlock;

namespace Dreadlock.UnitTesting
{
    public class IEnumeratorExtensionsTests : UnitTestSharp.TestFixture
    {
        public void Cyclic()
        {
            int[] list = { 0, 1, 2, };

            IEnumerator enumerator = list.GetEnumerator();

            enumerator.CyclicalMoveNext();
            CheckEqual(0, enumerator.Current);

            enumerator.CyclicalMoveNext();
            CheckEqual(1, enumerator.Current);

            enumerator.CyclicalMoveNext();
            CheckEqual(2, enumerator.Current);

            CheckFalse(enumerator.CyclicalMoveNext());

            CheckEqual(0, enumerator.Current);

            enumerator.CyclicalMoveNext();
            CheckEqual(1, enumerator.Current);

            enumerator.CyclicalMoveNext();
            CheckEqual(2, enumerator.Current);

            CheckFalse(enumerator.CyclicalMoveNext());
        }
    }
}