# Implementation-Only Testing

> Testing only against the current implementation's behavior rather than the specified contract.

Record: `lex:implementation-only-testing`
Kind: anti-pattern
Layer: [Computation Core](https://banes-lab.com/records/layer/computation-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lex-implementation-only-testing

## category

- [Correctness / Determinism / Verification](https://banes-lab.com/records/lex-category/correctness-determinism-verification.md)

## referenced-by

- [Specification-Based Testing](https://banes-lab.com/records/arch/specification-based-testing.md)