FA-11254 / Media timeline seeking / Member archive
Chapter selection latest start · case 04
The first matching chapter remains selected throughout later chapters.
Case contract
Chapters are sorted unique start times. Select the latest chapter starting at or before playback time; no earlier chapter yields None.
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 | "a" | "b" | Failed |
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