FA-11309 / Media playlist lifecycle / Member archive

Play next queue: Fails to advance the playlist cursor on ordinary fallback · case 04

Fails to advance the playlist cursor on ordinary fallback and produces an incorrect media-control or presentation result.

Member previewVariant 4 · 3 implementations · 7 checks per implementation

Case scope

Fails to advance the playlist cursor on ordinary fallback and produces an incorrect media-control or presentation result.

Why this case matters

A deterministic in-memory media application model with explicit playlist, timeline or synchronization semantics. Does not implement codecs, transport protocols, rendering hardware or concurrent playback.

One recorded failure

Sample boundary fixture

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

Boundary fixture	Actual	Expected	Outcome
fallback advances cursor	`["b", [], "a"]`	`["b", [], "b"]`	Failed

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