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Audit ConcurrentMap and Map contract compliance for asMap() view
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Basé sur la classification professionnelle SOC
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JSR-107 (JCache) spec-conformance audit
Audit explicit state machines (drain status, node lifecycle, async-value lifecycle) for illegal or missed transitions
Heavyweight history-mining bug audit. Walks the caffeine module's git history chronologically (oldest to HEAD), maintains a forward-tracked issue database, and surfaces concerns introduced by past commits that were never resolved. Catches bugs that snapshot mining cannot — half-fixes invisible from current state, latent+trigger pairs across multi-commit interactions, and partial refactors. Slow (model/effort-dependent; ~24h on Opus + max effort) and rare-run (every several months or before a major release).
Differential audit comparing matched code paths that should behave identically. Spawns one auditor per sibling pair (sync/async, bounded/unbounded, view consistency, bulk vs single, generated node variants, read fast vs slow, adapter conformance) and requires a concrete witness scenario where the two paths diverge observably.
Find places where documented API contracts and the implementation diverge
| name | audit-map-contract |
| description | Audit ConcurrentMap and Map contract compliance for asMap() view |
| context | fork |
| agent | auditor |
| disable-model-invocation | true |
Audit compliance with java.util.concurrent.ConcurrentMap and java.util.Map contracts.
Map contract: equals/hashCode consistency, putAll atomicity (if weigher throws mid-batch), replaceAll per-entry atomicity, containsValue consistency.
ConcurrentMap contract: compute/computeIfAbsent/merge atomicity ("mapping function applied at most once"), getOrDefault on expired entries, forEach with concurrent mutations, compute returning null (should remove entry).
Null handling: NullPointerException at correct points for null keys/values. Mapping functions returning null (compute→remove, merge→remove). putIfAbsent(key, null) behavior.
Entry/EntrySet contracts: Map.Entry.setValue() write-through, entrySet remove/contains checking both key AND value, snapshot vs live entries.
Collection view contracts: keySet().remove() removing from cache, values().remove() semantics, views backed by cache (bidirectional changes).
Cache semantics interaction: expired-but-present entries visible via asMap()? Collected weak keys visible? asMap() operations triggering listeners? asMap().put() vs cache.put() differences (access time, stats, refresh)?
For each violation: quote the JDK contract requirement, show actual behavior, provide a test case.
