FA-11047 / Media playlist state / Member archive
Reorder preserves entry identity · case 02
A reorder preserves the old numeric selection rather than the selected entry.
Case contract
Order is a permutation of all original indices; update playlist order and selection so the same entry keeps playing.
Why this case matters
A deterministic local media controller stage; metadata and downloaded data are supplied explicitly. No external player, service or codec is required.
One recorded failure
Sample boundary fixtureThis sample comes from the broken implementation of a controlled reproducer.
| Boundary fixture | Actual | Expected | Outcome |
|---|---|---|---|
| fixture 1 | [["c", "a", "b"], 0] | [["c", "a", "b"], 1] | Failed |
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This record includes three runnable implementations, regression fixtures, execution results, and source hashes.
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