tests: Pre-release cleanups - #1231
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Compress large regression test. Fix flaky fuzz test.
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Included review availability: Your plan provides up to 8 included reviews per hour; 6 remain after this review. 📝 WalkthroughWalkthroughThe flate regression test now reads and decompresses input from a gzip file before compression. The Aldus LZW fuzz test classifies reference-decoder behavior after the table fills and applies the corresponding output comparison. ChangesFlate regression input
Aldus fuzz oracle
Estimated code review effort: 3 (Moderate) | ~20 minutes Merge Risk: ⚪ Minimal · up to The regression input is preserved, and the fuzz test avoids a comparison known to be invalid. No identified issue blocks merging. 🚥 Pre-merge checks | ✅ 5✅ Passed checks (5 passed)
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Actionable comments posted: 1
- 🪄 Fix CodeRabbit comments on this PR
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Inline comments:
In `@lzw/aldus_test.go`:
- Around line 384-391: Update aldusTableFills to keep scanning after the table
reaches maxWidth, resetting its full state on a clear code, and return true only
when code 4095 arrives while the table is full. In FuzzAldus, require the
expected invalid-code error text in that branch alongside the prefix check, and
update the helper’s doc comment to describe the revised behavior.
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flate/token_test.golzw/aldus_test.go
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… walk makes a second divergence reachable that the old give-up-at-fill predicate happened to cover. The reference's hi is unbounded — it climbs past 4095 and wraps a uint16 after 61441 more codes, at which point hi+1 >= overflow goes false again and it resumes assigning table entries from a low hi, which our decoder never does. Its output past that point says nothing about ours, and ours needn't stop with invalid code there, so that case is a distinct result (refHiWrapped) that skips comparison rather than asserting the error text. Hence three states instead of a bool.
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Compress large regression test. Fix flaky fuzz test.
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