using NUnit.Framework;

using System;

using Assert = NUnit.Framework.Legacy.ClassicAssert;

​

public class DiceRolling

{

    private static readonly Random random = new Random();

​

    /// <summary>

    /// Simulates rolling a dice and returns the result.

    /// </summary>

    /// <returns>A random integer between 1 and 6 (inclusive).</returns>

    public int RollDice()

    {

        return random.Next(1, 7);

    }

​

    /// <summary>

    /// Checks if the given three dice rolls match the desired sequence (6, 5, 4).

    /// </summary>

    /// <param name="roll1">The first dice roll.</param>

    /// <param name="roll2">The second dice roll.</param>

    /// <param name="roll3">The third dice roll.</param>

    /// <returns>True if the rolls match the sequence (6, 5, 4), otherwise false.</returns>

    public bool CheckDiceRolls(int roll1, int roll2, int roll3)

    {

        return roll1 == 6 && roll2 == 5 && roll3 == 4;

    }

​

    /// <summary>

    /// Prints the status of possibility of 6-5-4 within three attempts.

    /// </summary>

    public void PrintRollingDicesStatus()

    {

        try

        {

            bool success = false;

            for (int i = 1; i <= 3; i++)

            {

                int roll1 = RollDice();

                int roll2 = RollDice();

                int roll3 = RollDice();

​

                Console.WriteLine($"Attempt {i}: Rolled {roll1}, {roll2}, {roll3}");

​

                if (CheckDiceRolls(roll1, roll2, roll3))

                {

                    Console.WriteLine("Success!  Got 6-5-4.");

                    success = true;

                    break;

                }

            }

​

            if (!success)

            {

                Console.WriteLine("Failed to get 6-5-4 within three attempts.");

            }

        }

        catch (Exception ex)

        {

            Console.WriteLine($"An error occurred: {ex.Message}");

        }

    }

}

[TestFixture]

public class DiceRollingTests

{

    [Test]

    public void CheckDiceRolls_ReturnsTrue_WhenRollsMatch654()

    {

        DiceRolling diceRolling = new DiceRolling();

        Assert.That(diceRolling.CheckDiceRolls(6, 5, 4), Is.True);

    }

​

    [Test]

    public void CheckDiceRolls_ReturnsFalse_WhenRollsDoNotMatch654()

    {

        DiceRolling diceRolling = new DiceRolling();

        Assert.That(diceRolling.CheckDiceRolls(1, 2, 3), Is.False);

        Assert.That(diceRolling.CheckDiceRolls(6, 5, 1), Is.False);

        Assert.That(diceRolling.CheckDiceRolls(6, 1, 4), Is.False);

        Assert.That(diceRolling.CheckDiceRolls(1, 5, 4), Is.False);

    }

​

     [Test]

    public void RollDice_ReturnsNumberBetween1And6()

    {

        DiceRolling diceRolling = new DiceRolling();

        for (int i = 0; i < 100; i++) // Roll the dice multiple times to increase confidence

        {

            int roll = diceRolling.RollDice();

            Assert.That(roll, Is.GreaterThanOrEqualTo(1) & Is.LessThanOrEqualTo(6));

        }

    }

​

    [Test]

    public void PrintRollingDicesStatus_NoException()

    {

        DiceRolling diceRolling = new DiceRolling();

        Assert.DoesNotThrow(() => diceRolling.PrintRollingDicesStatus());

    }

}

public class Program

{

    public static void Main()

    {

        new NUnitLite.AutoRun().Execute(["--noc" /*no colored output for .Net Fiddle*/]);

    }

}