public void FileWithNotEnoughValues()
        {
            var verificator = new Verificator();
            var path        = "./TestFileNotEnoughValues.txt";
            var solution    = "123456789\n" +
                              "123456789\n" +
                              "1234123456\n";

            File.WriteAllText(path, solution);
            Assert.IsFalse(verificator.IsValidSudokuSolution(path));
        }
        public void FileWithLineCharacters()
        {
            var verificator = new Verificator();
            var path        = "./TestFile.txt";

            using (var sw = File.AppendText(path))
            {
                sw.WriteLine("");
            }

            Assert.IsFalse(verificator.IsValidSudokuSolution(path));
        }
        public void FileWithValidWrongSolutionCols()
        {
            var verificator = new Verificator();
            var path        = "./TestFileValid.txt";
            var solution    = "534678912\r\r\n" +
                              "672195348\r\r\n" +
                              "198342567\r\r\n" +
                              "859761423\r\r\n" +
                              "426853791\r\r\n" +
                              "713924856\r\r\n" +
                              "961537284\r\r\n" +
                              "287419635\r\r\n" +
                              "345286197";

            File.WriteAllText(path, solution);
            Assert.IsFalse(verificator.IsValidSudokuSolution(path));
        }