WSUniversalLib/UnitTestorWSULib/UnitTest1.cs

using Microsoft.VisualStudio.TestTools.UnitTesting;
using System;
using WSUniversalLib;

namespace UnitTestorWSULib
{
    [TestClass]
    public class UnitTest1
    {
       //1//

        [TestMethod]
        public void ResultEqualCorrect()
        {
            Assert.AreEqual(114147, Calculation.GetQuantityForProduct(3, 1, 15, 20, 45));
        }

        [TestMethod]
        public void ResultIsNotNull()
        {
            Assert.IsNotNull(Calculation.GetQuantityForProduct(3, 1, 17, 39, 15));
        }

        [TestMethod]
        public void BadResultProductEqualCorrect()
        {
            Assert.AreEqual(-1, Calculation.GetQuantityForProduct(4, 1, 20, 21, 46));
        }

        [TestMethod]
        public void IsIncorrectType()
        {
            Assert.IsNotInstanceOfType(Calculation.GetQuantityForProduct(2, 7, 19, 21, 39), typeof(double));
        }
        [TestMethod]

        public void IsCorrectType()
        {
            Assert.IsInstanceOfType(Calculation.GetQuantityForProduct(2, 7, 19, 21, 39), typeof(int));
        }
    }
}