using Microsoft.VisualStudio.TestTools.UnitTesting;
using System.Collections.Generic;
using System.Runtime.Serialization.Formatters.Binary;
using System.IO;

namespace System.Collections.Tests;

[TestClass()]
public class TreapTests
{
    Treap<int> treap = new Treap<int>();
    [TestMethod()]
    public void TreapTest()
    {
        this.treap = new Treap<int>();
    }

    [TestMethod()]
    public void InsertTest()
    {
        var random = new Random();
        for(var i = 0; i < 1000; i++)
        {
            this.treap.Add(random.Next(0, 5000));
        }
    }

    [TestMethod()]
    public void RemoveTest()
    {
        this.treap.Add(60);
        this.treap.Add(6);
        this.treap.Add(5);
        this.treap.Remove(60);
        if(this.treap.Contains(60) || this.treap.Count > 2)
        {
            Assert.Fail();
        }
    }

    [TestMethod()]
    public void ClearTest()
    {
        var random = new Random();
        for (var i = 0; i < 100; i++)
        {
            this.treap.Add(random.Next(0, 5000));
        }

        this.treap.Clear();
        if(this.treap.Count > 0)
        {
            Assert.Fail();
        }
    }

    [TestMethod()]
    public void ContainsTest()
    {
        this.treap.Add(50);
        this.treap.Add(25);
        this.treap.Add(991142);
        this.treap.Add(12313);
        this.treap.Add(24);
        this.treap.Add(23);
        if (!this.treap.Contains(24))
        {
            Assert.Fail();
        }
    }

    [TestMethod()]
    public void ToArrayTest()
    {
        for(var i = 0; i < 1000; i++)
        {
            this.treap.Add(i);
        }

        var arr = this.treap.ToArray();
        for(var i = 0; i < 1000; i++)
        {
            if(arr[i] != i)
            {
                Assert.Fail();
            }
        }
    }

    [TestMethod()]
    public void GetEnumeratorTest()
    {
        for (var i = 0; i < 1000; i++)
        {
            this.treap.Add(i);
        }

        var count = 0;
        foreach(var value in this.treap)
        {
            System.Diagnostics.Debug.WriteLine(value);
            count++;
        }

        if(count == this.treap.Count)
        {
            return;
        }

        Assert.Fail();
    }
}