FA-46049 / Bounded deques / Member archive
Self-splice retains the final moved node in its old location · case 04
Self-splice retains the final moved node in its old location.
Case contract
Move a range within one bounded deque, preserving size and stable element identity. Gaps inside or at either boundary of the range are no-ops.
Why this case matters
Controlled bounded deque implementation model with explicit storage and lifecycle observations.
One recorded failure
Sample boundary fixtureThis sample comes from the broken implementation of a controlled reproducer.
| Boundary fixture | Actual | Expected | Outcome |
|---|---|---|---|
| move left | [6, 7, 4, 5, 7, 8] | [6, 7, 4, 5, 8] | Failed |
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This record includes three runnable implementations, regression fixtures, execution results, and source hashes.
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