FA-11045 / Media playlist state / Member archive
Remove playing selects successor · case 05
Deleting the last or only playing item retains an out-of-range selection.
Case contract
Remove the valid playing index. Select its old successor when present, otherwise its predecessor; empty result has None selection.
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 2 | [["a", "b"], 2] | [["a", "b"], 1] | Failed |
MEMBER ARCHIVE
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This record includes three runnable implementations, regression fixtures, execution results, and source hashes.
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