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Conformance is the compatibility suite for Handoff. It checks the wire contract and the observable behavior of a deployment, so an implementation can prove what it supports without relying on a marketing claim.

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The current level

Level 1 contains 26 cases: C-1 through C-16, plus C-6b and C-18 through C-26. C-17 is the only Level 2 case. It requires the optional continuation extension and is intentionally not implemented by the current reference server because it would require encrypted storage for resume_payload. The reference server passes all 26 Level 1 cases. A deployed service exposes its supported level from GET /meta; use the runner below to check another deployment.

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What the runner checks

The suite includes negative profiles so a broken or incomplete deployment is visible. It also checks the case map before running, so a missing or extra case stops the run instead of silently changing the total.

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Run it against your own deployment

The runner takes a base URL and does not care what is listening there. The profile supplies credentials for the principal aliases the cases name and the small set of below-HTTP checks required by the suite. A case whose requirement is missing fails; it is never silently skipped. Against a local checkout, the whole loop is one script that creates a disposable database per run:
A clean store per run matters: fixture requests can remain pending, and a reused dedupe_key would make a required 201 look like a 200 from an earlier run.

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Independent implementations

You can read the protocol and implement it yourself. The suite exists so you can check the observable contract without asking the reference server to vouch for you.