FA-46159 / Bounded deques / Member archive

Deadline deque schedules wakeup from the newest live entry · case 04

Deadline deque schedules wakeup from the newest live entry.

Member previewVariant 4 · 3 implementations · 6 checks per implementation

Case contract

A deadline-ordered bounded deque expires the maximal prefix with deadline <= now. Return live entries, release sequence, removed count and next wake deadline.

Why this case matters

Controlled bounded deque implementation model with explicit storage and lifecycle observations.

One recorded failure

Sample boundary fixture

This sample comes from the broken implementation of a controlled reproducer.

Boundary fixture	Actual	Expected	Outcome
none expired	`[[[4, 4], [5, 7]], [], 0, 7]`	`[[[4, 4], [5, 7]], [], 0, 4]`	Failed

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