//+------------------------------------------------------------------+
//|                                                   ErrorCodes.mqh  |
//|                          Synthetic Test Harness for MetaTrader 5  |
//|              Institutional Architecture in MQL5 - Part 1 Series   |
//+------------------------------------------------------------------+
#ifndef SYNTHETIC_TEST_HARNESS_ERROR_CODES_MQH
#define SYNTHETIC_TEST_HARNESS_ERROR_CODES_MQH

//+------------------------------------------------------------------+
//| Named error constants for synthetic test scenarios.               |
//+------------------------------------------------------------------+
#define SYNTH_ERR_NONE           0      // No error - execution succeeded
#define SYNTH_ERR_REQUOTE        10004  // TRADE_RETCODE_REQUOTE
#define SYNTH_ERR_REJECT         10006  // TRADE_RETCODE_REJECT
#define SYNTH_ERR_TIMEOUT        10012  // TRADE_RETCODE_TIMEOUT
#define SYNTH_ERR_PRICE_OFF      10021  // TRADE_RETCODE_PRICE_OFF

//+------------------------------------------------------------------+
//| IsExecutionError: guard function replacing raw int comparisons.   |
//+------------------------------------------------------------------+
bool IsExecutionError(const int error_code)
  {
   return(error_code != SYNTH_ERR_NONE);
  }

//+------------------------------------------------------------------+
#endif