---

using Microsoft.VisualStudio.TestTools.UnitTesting;
using GFUDemo_CS;

namespace AutomobileTestProject
{
    [TestClass]
    public class AutomobileTest
    {
        [TestMethod]
        public void DefaultAutomobileIsInitializedCorrectly()
        {
            Automobile myAuto = new Automobile();
            
            // Заменили Assert.IsTrue на Assert.AreEqual, чтобы убрать предупреждение
            Assert.AreEqual("Not specified", myAuto.Model);
            Assert.AreEqual(-1, myAuto.TopSpeed);
        }

        [TestMethod]
        public void AutomobileWithModelNameCanStart()
        {
            string model = "Contoso";
            int topSpeed = 199;
            Automobile myAuto = new Automobile(model, topSpeed);
            
            myAuto.Start();
            Assert.AreEqual(true, myAuto.IsRunning);
        }
    }
}

Assert.IsTrue(myAuto.IsRunning);

namespace GFUDemo_CS
{
    public class Automobile
    {
        public string Model { get; set; }
        public int TopSpeed { get; set; }
        public bool IsRunning { get; set; }

        // Конструктор по умолчанию
        public Automobile()
        {
            this.Model = "Not specified";
            this.TopSpeed = -1;
            this.IsRunning = true;
        }

        // Конструктор с параметрами
        public Automobile(string model, int topSpeed)
        {
            this.Model = model;
            this.TopSpeed = topSpeed;
        }

        // Метод запуска
        public void Start()
        {
            if (this.Model != "Not specified" || this.TopSpeed != -1)
            {
                this.IsRunning = true;
            }
            else
            {
                this.IsRunning = false;
            }
        }
    }
}