public virtual void TestLowerCaseSymbol()
        {
            StringBuilder builder = new StringBuilder();

            for (int i = 1; i <= 25; i++)
            {
                builder.Append(GreekAlphabetNumbering.ToGreekAlphabetNumber(i, false, true));
            }
            // Symbol font use regular WinAnsi codes for greek letters.
            NUnit.Framework.Assert.AreEqual("abgdezhqiklmnxoprstufcywaa", builder.ToString());
        }
        public virtual void TestUpperCaseSymbol()
        {
            StringBuilder builder = new StringBuilder();

            for (int i = 1; i <= 25; i++)
            {
                builder.Append(GreekAlphabetNumbering.ToGreekAlphabetNumber(i, true, true));
            }
            // Symbol font use regular WinAnsi codes for greek letters.
            NUnit.Framework.Assert.AreEqual("ABGDEZHQIKLMNXOPRSTUFCYWAA", builder.ToString());
        }
        public virtual void TestUpperCase()
        {
            StringBuilder builder = new StringBuilder();

            for (int i = 1; i <= 25; i++)
            {
                builder.Append(GreekAlphabetNumbering.ToGreekAlphabetNumber(i, true));
            }
            // 25th symbol is `AA`, i.e. alphabet has 24 letters.
            NUnit.Framework.Assert.AreEqual("ΑΒΓΔΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΩΑΑ", builder.ToString());
        }
        public virtual void TestLowerCase()
        {
            StringBuilder builder = new StringBuilder();

            for (int i = 1; i <= 25; i++)
            {
                builder.Append(GreekAlphabetNumbering.ToGreekAlphabetNumber(i, false));
            }
            // 25th symbol is `αα`, i.e. alphabet has 24 letters.
            NUnit.Framework.Assert.AreEqual("αβγδεζηθικλμνξοπρστυφχψωαα", builder.ToString());
        }
 public virtual void IntIsNotEnoughForInternalCalculationsTest()
 {
     NUnit.Framework.Assert.AreEqual("ζλαββωσ", GreekAlphabetNumbering.ToGreekAlphabetNumberLowerCase(1234567890
                                                                                                      ));
 }