testing: golden differential harness across backends#158
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Cross-backend golden differential testing: the golden backend records
each object's inputs + correct outputs, and per-backend harnesses replay
those inputs and diff the captured output against the oracle.
- binding/golden/run.hpp: one-at-a-time case sweep (base case + per enum
mode + per numeric range endpoint) per object.
- tooling/golden_compare.py: shared audio/control/texture compare + case
aggregation.
- tooling/run_{python,gst,pd,max}_golden.py + tooling/max driver: the
per-backend replay harnesses.
- tooling/gen_tester_patches.py, tooling/td/run_td_sweep.py: TD runner
generation + sweep (records the crash stage; texture output reported
as not verifiable headless rather than a false mismatch).
Depends at runtime on the backend fixes in
fix/backend-audio-texture-correctness and fix/python-binding-improvements
for the harnesses to report clean.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01JH7HS58wPSA22HztHZsakd
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The cross-backend golden differential testing framework, split out of the former channel-safety mega-PR (#143). Ships no library code — it's dev tooling + the golden generator.
The
goldenbackend records each object's inputs + correct outputs; per-backend harnesses replay those inputs and diff the captured output against the oracle.tooling/maxdriver — the per-backend replay harnesses.Merge after #155 (backend fixes) and #156 (python binding) — those fixes are what make the harnesses report clean.
🤖 Generated with Claude Code