using Microsoft.VisualStudio.TestTools.UnitTesting;
using UnitTests;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace UnitTests.Tests
{
    [TestClass()]
    public class Feladat2Tests
    {
        Feladat2 feladat2 = new Feladat2();

        [TestMethod()]
        public void ConcatTest()
        {
            Assert.AreEqual(feladat2.Concat("a", "b"), ("a" + "b"));
        }

        [TestMethod()]
        public void GetLengthTest()
        {
            Assert.AreEqual(3, feladat2.GetLength("asd"));
        }

        [TestMethod()]
        public void GetNullStringTest()
        {
            Assert.IsNull(feladat2.GetNullString());
        }

        [TestMethod()]
        public void GetStringInstanceTest()
        {
            Assert.AreEqual("", feladat2.GetStringInstance());
        }

        [TestMethod()]
        public void IsEmptyTest()
        {
            Assert.IsTrue(feladat2.IsEmpty(""));
        }
    }
}