Levi Neuwirth
dccc1859b0
The test oracle probed generations 0..16 to discover what a published run names, which reproduced the defect it was written to catch: it could not report an identity outside the range it guessed. Review drifted the identity to 101 and the test died on "a run with entries names some generation" before reaching either the identity assertion or the damage assertion. It would also have picked the lowest of several once a run spans generations. The helper now takes an IndexKey the test knows is covered and reads `segment_generation` off `IndexRun::get`, which answers exactly and has no range to outgrow. It fails loudly if the key is absent, since a missing entry means the test is measuring nothing. The surviving-journal regression keeps a second orphan at generation 100, so the fallback it must not take is 101 — a number that cannot be read as an off-by-one. Verified by reverting the tail fix under it: the assertion now reports left: 101, right: 1 instead of failing to find a generation at all. No production change. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01XKzM69CHmBuDcA3qN1jFdh |
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| Cargo.toml | ||