public void Test3_DataVerification()
        {
            ParkietExtractor extractor = new ParkietExtractor(SourcetHtml);
            extractor.TrimInputBetween(new [] { "<div class=\"quotations\">", "<tbody>" }, "</tbody>");
            extractor.RemoveEvery("abc");

            List<Company> companies = extractor.GetCompanies();
            Assert.IsTrue(companies.Count == 4);
            //
            Company c = companies[2];
            Assert.IsTrue(c.ID == "06N");
            Assert.IsTrue(c.Name == "06MAGNA");
            Assert.IsTrue(c.PaperCode == "PLNFI0600010");
        }
        public void Test2_ExtractionIsCorrect()
        {
            ParkietExtractor extractor = new ParkietExtractor(SourcetHtml);
            extractor.TrimInputBetween(new string[] { "<div class=\"quotations\">", "<tbody>" }, new string[] { "</tbody>", "</table>" });

            //check beginning
            int idx = extractor.InputHtml.IndexOf("abc"); 
            Assert.IsTrue(idx == 0);

            //check ending
            idx = extractor.InputHtml.IndexOf("</table>");
            int textLength = extractor.InputHtml.Length - 8;
            Assert.IsTrue(idx == textLength);
        }