//+------------------------------------------------------------------+
//|                                                            U.mq5 |
//|                                  Copyright 2026, Niquel Mendoza. |
//|                                             https://www.mql5.com |
//+------------------------------------------------------------------+
#property copyright "Copyright 2026, Niquel Mendoza."
#property link      "https://www.mql5.com"
#property version   "1.00"
#property strict

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
#include "..\\Conv.mqh"


//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void Test(const string s)
 {
  ulong v = 0;
  int pos = 0;
  TSN::CStringConvert::ToValueNUnsigned(s, pos, v, StringLen(s));
  PrintFormat("%-26s -> %I64u (pos=%d)", s, v, pos);
 }


//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void TestI(const string s)
 {
  int v = 0;
  int pos = 0;
  TSN::CStringConvert::ToValueNSigned(s, pos, v, StringLen(s));
  PrintFormat("%-26s -> %d (pos=%d)", s, v, pos);
 }

//+------------------------------------------------------------------+
//| Script program start function                                    |
//+------------------------------------------------------------------+
void OnStart()
 {
//---
  Print("----------");
  TestI("2147483647");
  TestI("2147483648");
  TestI("-2999999999");
  
//---
  Print("----------");
  Test("0");
  Test("000000000000000000255");     // ceros a la izquierda → 255
  Test("9223372036854775807");       // LONG_MAX (19 díg.)
  Test("9223372036854775808");       // LONG_MAX+1 (19 díg.)
  Test("18446744073709551614");      // ULONG_MAX-1
  Test("18446744073709551615");      // ULONG_MAX  ← el tuyo
  Test("184467440737095516150");      // ULONG_MAX+1 → debe saturar
  Test("19999999999999999999");      // tu wrap-around → debe saturar
  Test("99999999999999999999");      // 20 nueves → debe saturar
  Test("123456789012345678901234;asa");  // 24 díg. → debe saturar
  Test("255;otra");                  // pos debe quedar en 3
  Test("abc");       // sin dígitos → v=0
  Test("x5");        // un carácter inválido delante
  Test("xx5");       // dos → ¿v=0?
  Test("5abc");      // pos=1
  Test("  12");      // espacios delante
 }
//+------------------------------------------------------------------+