public void LastPart()
        {
            Tokenizer testSubject = new Tokenizer("create table test(id int, \"val\" varchar(12));");

            Assert.AreEqual(Token.ValueFor.CREATE, testSubject.GetNextAsSimpleToken());
            Assert.AreEqual(6, testSubject.Position);
            Assert.AreEqual("create", testSubject.LastPart);

            Assert.AreEqual(Token.ValueFor.TABLE, testSubject.GetNextAsSimpleToken());
            Assert.AreEqual(12, testSubject.Position);
            Assert.AreEqual("create table", testSubject.LastPart);

            testSubject.PartMarker = testSubject.Position + 1;

            Assert.AreEqual("TEST", testSubject.GetNextAsSimpleName());
            Assert.AreEqual(17, testSubject.Position);
            Assert.AreEqual("test", testSubject.LastPart);

            Assert.AreEqual(Token.ValueFor.OPENBRACKET, testSubject.GetNextAsSimpleToken());
            Assert.AreEqual(18, testSubject.Position);
            Assert.AreEqual("test(", testSubject.LastPart);

            Assert.AreEqual("ID", testSubject.GetNextAsSimpleName());
            Assert.AreEqual(20, testSubject.Position);
            Assert.AreEqual("test(id", testSubject.LastPart);

            Assert.AreEqual(Token.ValueFor.INT, testSubject.GetNextAsSimpleToken());
            Assert.AreEqual(24, testSubject.Position);
            Assert.AreEqual("test(id int", testSubject.LastPart);

            testSubject.SetPartMarker();

            Assert.AreEqual(Token.ValueFor.COMMA, testSubject.GetNextAsSimpleToken());
            Assert.AreEqual(25, testSubject.Position);
            Assert.AreEqual(Token.ValueFor.COMMA, testSubject.LastPart);

            Assert.AreEqual("val", testSubject.GetNextAsName());
            Assert.AreEqual(SqlTokenType.DelimitedIdentifier, testSubject.TokenType);
            Assert.AreEqual(31,testSubject.Position);
            Assert.AreEqual(", \"val\"", testSubject.LastPart);

            Assert.AreEqual(Token.ValueFor.VARCHAR, testSubject.GetNextAsSimpleToken());
            Assert.AreEqual(39, testSubject.Position);
            Assert.AreEqual(", \"val\" varchar", testSubject.LastPart);

            Assert.AreEqual(Token.ValueFor.OPENBRACKET, testSubject.GetThis(Token.ValueFor.OPENBRACKET));
            Assert.AreEqual(40, testSubject.Position);
            Assert.AreEqual(", \"val\" varchar(", testSubject.LastPart);

            Assert.AreEqual(12, testSubject.GetNextAsInt());
            Assert.AreEqual(42, testSubject.Position);
            Assert.AreEqual(", \"val\" varchar(12", testSubject.LastPart);

            Assert.AreEqual(Token.ValueFor.CLOSEBRACKET, testSubject.GetThis(Token.ValueFor.CLOSEBRACKET));
            Assert.AreEqual(43, testSubject.Position);
            Assert.AreEqual(", \"val\" varchar(12)", testSubject.LastPart);

            testSubject.SetPartMarker();

            Assert.AreEqual(Token.ValueFor.CLOSEBRACKET, testSubject.GetThis(Token.ValueFor.CLOSEBRACKET));
            Assert.AreEqual(44, testSubject.Position);
            Assert.AreEqual(Token.ValueFor.CLOSEBRACKET, testSubject.LastPart);

            Assert.AreEqual(Token.ValueFor.SEMICOLON, testSubject.GetThis(Token.ValueFor.SEMICOLON));
            Assert.AreEqual(45, testSubject.Position);
            Assert.AreEqual(");", testSubject.LastPart);

            Assert.AreEqual(string.Empty, testSubject.GetNextAsString());

            Assert.AreEqual(45, testSubject.Position);
            Assert.AreEqual(");", testSubject.LastPart);

            testSubject.SetPartMarker();

            Assert.AreEqual(string.Empty, testSubject.LastPart);
        }
        public void GetNextAsInt()
        {
            Tokenizer testSubject = new Tokenizer("123456789");

            int expected = 123456789;
            int actual = testSubject.GetNextAsInt();

            Assert.AreEqual(expected, actual);
        }
            /// <summary>
            /// Parses the given value by treating it as an HSQLDB SQL INTEGER literal.
            /// </summary>
            /// <remarks>
            /// The legal input formats are those supported by
            /// <c>java.lang.Integer.ParseInt</c>
            /// </remarks>
            /// <param name="value">The value to parse.</param>
            /// <returns>a <c>System.Int32</c> representation of the string</returns>
            /// <exception cref="HsqlDataSourceException">
            /// When a number format exception is encountered.
            /// </exception>
            public static int ParseInteger(string value)
            {
                try
                {
                    Tokenizer tokenizer = new Tokenizer(value);

                    return tokenizer.GetNextAsInt();
                }
                catch (Exception e)
                {
                    throw new HsqlDataSourceException(Trace.error(
                        Trace.INVALID_CONVERSION, e.Message));
                }
            }