All public workReview scope and boundaries
Public MQL5 CodeBase acceptance proof
MT5 EA Acceptance Harness
A non-trading MetaTrader 5 script that executes eight synthetic entry-state fixtures before timing, duplicate, cooldown and daily-lock rules are connected to broker behavior.
The engineering problem
Why this tool exists
An EA brief can name indicators and entry rules while leaving state transitions untestable. The harness turns completed-bar timing, duplicate suppression, cooldown, daily lock and new-day reset into explicit expected decisions.
Published capabilities
- Valid completed-bar entry fixture
- Same-bar duplicate suppression
- Intrabar signal rejection
- Three-bar cooldown boundary
- Daily-lock rejection and new-day reset
- Optional privacy-safe text report
Engineering evidence
- Original MQL5 source and ZIP published in MQL5 CodeBase item #76039
- MetaEditor 5 x64 compile completed with 0 errors and 0 warnings on 2026-08-12
- An isolated MT5 portable-terminal run captured 8 of 8 synthetic decisions passing
- No quote, account, position, history or credential data is read
What this case study does not claim
- Runtime evidence proves only script startup, fixture evaluation and report output.
- A synthetic PASS proves only the written state contract, not broker execution or strategy quality.
- The script never sends, changes or closes an order and makes no performance claim.
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