public void WriteDataToFileTests_NullPath_NullReferenceExceptionThrow()
        {
            bool actual = false;

            try
            {
                JsonFileManger.WriteDataToFile(new Product[5], null);
            }
            catch (NullReferenceException)
            {
                actual = true;
            }
            Assert.IsTrue(actual);
        }
        public void WriteDataToFileTests_ArrayWhichIsReferencedToZero_NullReferenceExceptionThrow()
        {
            bool actual = false;

            try
            {
                JsonFileManger.WriteDataToFile(null, @"..\..\..\data.json");
            }
            catch (NullReferenceException)
            {
                actual = true;
            }
            Assert.IsTrue(actual);
        }
        public void WriteDataToFileTests_IncorectFilePath_FileNotFoundExceptionThrow()
        {
            bool    actual  = false;
            Clothes clothes = new Clothes(5.21, "kofta n7", 16, 10);

            try
            {
                JsonFileManger.WriteDataToFile(new Product[] { clothes }, @"D:\Learn\EPAM\task2\ClassLibrary1\data.jso");
            }
            catch (FileNotFoundException)
            {
                actual = true;
            }
            Assert.IsTrue(actual);
        }
        public void ReadWriteDataTest_ProductArraySendToFile_GettingTheInitialArray()
        {
            //bool actual = true;

            Electronics electronics = new ProductLib.Electronics(10.23, "Samsung s6", 127.3, 10);

            Clothes clothes = new Clothes(5.21, "kofta n7", 16, 10);

            Food food = new Food(67.83, "mi band 5", 17, 1);



            Electronics meizu = new Electronics(473.6, "meizu note 9", 150, 1);

            Product[] arrayToSendToFile = new Product[] { electronics, null, electronics, null, clothes, null, meizu, null, food, null };

            Product[] excpected = new Product[] { electronics, electronics, clothes, meizu, food };

            JsonFileManger.WriteDataToFile(arrayToSendToFile, @"..\..\..\data.json");

            Product[] actual = JsonFileManger.ReadDataFromFile(@"..\..\..\data.json");

            CollectionAssert.AreEquivalent(excpected, actual);
        }