public virtual void ConvertTest()
 {
     NUnit.Framework.Assert.AreEqual("mdclxvi", RomanNumbering.Convert(1666));
     NUnit.Framework.Assert.AreEqual("mcmlxxxiii", RomanNumbering.Convert(1983));
     NUnit.Framework.Assert.AreEqual("mmm", RomanNumbering.Convert(3000));
     NUnit.Framework.Assert.AreEqual("|vi|", RomanNumbering.Convert(6000));
     NUnit.Framework.Assert.AreEqual("|vi|dccxxxiii", RomanNumbering.Convert(6733));
 }
 public virtual void ZeroConvertTest()
 {
     NUnit.Framework.Assert.AreEqual("", RomanNumbering.Convert(0));
 }
 public virtual void NegativeConvertTest()
 {
     NUnit.Framework.Assert.AreEqual("-vi", RomanNumbering.Convert(-6));
 }