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Correctness testing for calculation logic

Tech concernsShared across all subject areas

Correctness testing for calculation logic

Proving that matching, tolerance and arithmetic behave correctly across edge cases.

Stack choices4

Pilot
Modern production
Circa 2015
Enterprise .NET

Tech constraints2

Auto-Reconciliation & Materiality Thresholds
Cross-Source Contradiction Detection · Retrieval-augmented answer synthesis

Facts

AreaTesting strategy

DescriptionProving that matching, tolerance and arithmetic behave correctly across edge cases.

ReversibilityDeferrable

Needed for pilotYes

NotesThe natural properties here are strong ones: debits equal credits, matched items sum to the source total, and reconciling items sum exactly to the balance gap. Those are invariants, not examples.

Dataset version 2026.09.0. Pages, scope and counts are computed from the schema, not listed anywhere. A personal reference and portfolio project — not a vendor comparison site.