WSUniversalLib_Belov/UnitTestProject1/UnitTest1.cs

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

namespace UnitTestProject1
{
    [TestClass]
    public class UnitTest1
    {
        [TestMethod]
        public void GetQuantityForProduct_AreEqual_CheckData()
        {
            Assert.AreEqual(Calculation.GetQuantityForProduct(3, 1, 15, 20, 45), 114147);
        }

        [TestMethod]
        public void GetQuantityForProduct_CheckError_IsTrue()
        {
            bool res = true;
            if(Calculation.GetQuantityForProduct(3, 1, 15, 20, 45) ==  -1)
            {
                res = false;
            }
            Assert.IsTrue(res);
        }

        [TestMethod]
        public void GetQuantityForProduct_CheckError_IsFalse()
        {
            bool res = true;
            if (Calculation.GetQuantityForProduct(5, 1, 15, 20, 45) == -1)
            {
                res = false;
            }
            Assert.IsFalse(res);
        }

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

        [TestMethod]
        public void GetQuantityForProduct_CheckData_ReturnTypeIsInt()
        {
            Assert.IsInstanceOfType(Calculation.GetQuantityForProduct(3, 1, 15, 20, 45), typeof(int));
        }

        [TestMethod]
        public void GetQuantityForProduct_CheckData_ReturnTypeIsNotInt()
        {
            Assert.IsNotInstanceOfType(Calculation.GetQuantityForProduct(3, 1, 15, 20, 45), typeof(double));
        }

        [TestMethod]
        public void GetQuantityForProduct_AreEqualNotEqual()
        {
            Assert.AreNotEqual(Calculation.GetQuantityForProduct(3, 1, 15, 20, 45), 777);
        }

        [TestMethod]
        public void GetQuantityForProduct_CheckData_InvalidProdType()//Тут начинаются сложные тесты
        {
            Assert.AreEqual(Calculation.GetQuantityForProduct(5, 1, 15, 20, 45), -1);
        }

        [TestMethod]
        public void GetQuantityForProduct_ThrowException_InvalidCount() 
        {
            Assert.ThrowsException<System.Exception>(() => Calculation.GetQuantityForProduct(3, 1, 0, 20, 45));
        }

        [TestMethod]
        public void GetQuantityForProduct_ThrowException_InvalidWidth()
        {
            Assert.ThrowsException<System.Exception>(() => Calculation.GetQuantityForProduct(3, 1, 15, 0, 45));
        }

        [TestMethod]
        public void GetQuantityForProduct_ThrowException_InvalidLength()
        {
            Assert.ThrowsException<System.Exception>(() => Calculation.GetQuantityForProduct(3, 1, 15, 20, 0));
        }
    }
}