using System.Collections.Generic;
using System.Linq;
using hashes;
using NUnitLite;

namespace ghost
{
	class Program
	{
		static void Main(string[] args)
		{
			AssertThatDoMagicBreaksHashSet<Vector, GhostsTask>();

			AssertThatDoMagicBreaksHashSet<Segment, GhostsTask>();

			AssertThatDoMagicBreaksHashSet<Cat, GhostsTask>();

			AssertThatDoMagicBreaksHashSet<Document, GhostsTask>();

			AssertThatDoMagicBreaksHashSet<Robot, GhostsTask>();
		}

		private static void AssertThatDoMagicBreaksHashSet<TItem, TGhostsTask>() where TGhostsTask : IMagic, IFactory<TItem>, new()
		{
			TGhostsTask task = new TGhostsTask();
			var ghostItem = task.Create();

			var set = new HashSet<TItem> { ghostItem };
			set.Contains(task.Create());

			task.DoMagic();
			int count = set.Count;
			var temp = set.ToArray()[0];
			bool flag = set.Contains(ghostItem);
			//Assert.AreEqual(1, set.Count, "HashSet still contains some element after DoMagic()");
			//Assert.AreEqual(ghostItem, set.ToArray()[0], "The single item in HashSet equals ghostItem after DoMagic()");
			//Assert.IsFalse(set.Contains(ghostItem), "ghostItem should disappear from HashSet after DoMagic()");

			set.Add(ghostItem);
			int count2 = set.Count;
			//Assert.AreEqual(2, set.Count, "HashSet Add and Count should work incorrectly after DoMagic()");
		}
	}
}