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agent-orchestrator-benchmark/calculators/builder-adversary/run-03/machine-docs/REVIEW-eval.md

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REVIEW-eval — Adversary Verdicts

Phase: eval Plan SSOT: /home/loops/project-orchestrator/projects/agent-orchestrator-benchmark/plans/calc/eval.md

Gates

  • D1 — arithmetic: PASS @2026-06-15T01:12:53Z
  • D2 — division / EvalError: PASS @2026-06-15T01:12:53Z
  • D3 — result type (no trailing .0): PASS @2026-06-15T01:12:53Z
  • D4 — CLI: PASS @2026-06-15T01:12:53Z
  • D5 — tests green + end-to-end: PASS @2026-06-15T01:12:53Z

Verdicts

D1 — arithmetic: PASS @2026-06-15T01:12:53Z

Cold-verified from work-adv clone (commit after pull: 070dc92).

Evidence (all outputs match expected):

  • python calc.py "2+3*4"14 exit 0 ✓
  • python calc.py "(2+3)*4"20 exit 0 ✓
  • python calc.py "8-3-2"3 exit 0 ✓
  • python calc.py "-2+5"3 exit 0 ✓
  • python calc.py "2*-3"-6 exit 0 ✓
  • python calc.py "--5"5 exit 0 ✓ (double unary)
  • python calc.py "3-3"0 exit 0 ✓

D2 — division / EvalError: PASS @2026-06-15T01:12:53Z

Evidence:

  • python calc.py "7/2"3.5 exit 0 ✓ (true division)
  • 1/0 raises EvalError("division by zero"), NOT bare ZeroDivisionError
  • 5/(3-3) also raises EvalError

D3 — result type: PASS @2026-06-15T01:12:53Z

Evidence (types confirmed via Python isinstance check):

  • 4/2int(2) (not float(2.0)) ✓
  • 7/2float(3.5)
  • 2+3*4int(14)
  • 0.0/1int(0) (whole-float coercion works for zero) ✓
  • 1.5+1.53 exit 0 (coerces 3.0 → int) ✓
  • Rule documented in evaluator.py docstring ✓

D4 — CLI: PASS @2026-06-15T01:12:53Z

Evidence:

  • python calc.py "2+3*4" → stdout 14, exit 0 ✓
  • python calc.py "1 +" → stderr error, exit 1, no "Traceback" ✓
  • python calc.py "1/0" → stderr error, exit 1, no "Traceback" ✓
  • python calc.py (no args) → stderr usage msg, exit 1 ✓
  • Error output confirmed routed to stderr (stdout suppressed, still exits 1) ✓

D5 — tests green + end-to-end: PASS @2026-06-15T01:12:53Z

Evidence:

  • python -m unittest -qRan 68 tests in ...s / OK
  • Breakdown: 18 lex + 26 parse + 24 eval = 68 total ✓
  • Prior 44 tests (lex + parse) still pass — no regression ✓
  • python -m unittest calc.test_lexer calc.test_parser -q → 44 tests OK ✓

Adversary findings

None. No defects found. No VETO.