public void Terminal_CharacterClass()
{
AExpression Digit = new CharacterClass {
ClassExpression = "[0-9]"
};
var input = "0";
var bytes = Encoding.UTF8.GetBytes(input);
var iterator = new ByteInputIterator(bytes);
var visitor = new NpegParserVisitor(iterator);
Digit.Accept(visitor);
Assert.IsTrue(visitor.IsMatch);
input = "0123456789";
bytes = Encoding.UTF8.GetBytes(input);
iterator = new ByteInputIterator(bytes);
visitor = new NpegParserVisitor(iterator);
new OneOrMore(Digit).Accept(visitor);
Assert.IsTrue(visitor.IsMatch);
}