public void Allow_A_Positional_Of_Multiple_Values()
{
// arrange
var contextBuilder = new ContextBuilder();
var parser0 = new Parser <string>("base");
var builder0 = new ParserBuilder <string>(contextBuilder, parser0);
var parser1 = new Parser("base");
var builder1 = new ParserBuilder(contextBuilder, parser1);
// act
builder0.WithPositionals((o, s) => { }, 1, 1);
builder1.WithPositionals((o, s) => { }, 1, 1);
// assert
builder0.Parser.Parameters.Single().Should().BeAssignableTo <Positional <string> >();
builder1.Parser.Parameters.Single().Should().BeAssignableTo <Positional>();
}