public void searchProductTest()
        {// arrange
            SQLiteConnection db = new SQLiteConnection();

            db.ConnectionString = "Data Source=D:\\ИАД Курсач\\DataBase.db";
            db.Open();
            SQLiteCommand command = new SQLiteCommand("INSERT INTO Product VALUES ('00000000', 'tovar')", db);

            command.ExecuteReader();
            db.Close();
            string        barcode = "00000000";
            InformBarcode info    = new InformBarcode();
            string        otvet   = "tovar";
            // act
            string result = info.searchProduct(barcode);

            // assert
            Assert.AreEqual(result, otvet);


            db.Open();
            SQLiteCommand comm = new SQLiteCommand("DELETE FROM Product WHERE barcode='" + barcode + "'", db);

            comm.ExecuteReader();
            db.Close();
        }
        public void numberblackTest()
        {
            // arrange
            InformBarcode barcode = new InformBarcode();
            Bitmap        image   = new Bitmap("D:\\ИАД Курсач\\image\\EAN8.gif");

            int result;

            Color[,] All = new Color[image.Width - 1, image.Height - 1];
            for (int i = 0; i < (image.Width - 1); i++)
            {
                for (int j = 0; j < (image.Height - 1); j++)
                {
                    All[i, j] = image.GetPixel(i, j);
                }
            }
            // act
            result = barcode.numberblack(image, All);


            // assert
            Assert.AreEqual(result, 22);
        }