public void GetDotAsOperator()
{
this.lexer.Operators = new string[] { ".", "+", "-" };
Assert.AreEqual(3, this.lexer.Operators.Count);
var result = this.lexer.GetTokens(".").ToList();
Assert.IsNotNull(result);
Assert.AreEqual(1, result.Count);
var token = result[0];
Assert.AreEqual(".", token.Value);
Assert.AreEqual(TokenType.Operator, token.Type);
}