FA-11149 / Streaming segment lifecycle / Member archive

Download chunks offset assembly · case 04

Appending in download completion order corrupts segment byte order.

Member previewVariant 4 · 3 implementations · 4 checks per implementation

Case contract

Assemble nonoverlapping contiguous downloaded byte chunks supplied in arbitrary completion order, ordered by their absolute byte offsets. Coverage validity is prevalidated.

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 fixture

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

Boundary fixture	Actual	Expected	Outcome
fixture 1	`[1, 2, 8, 9]`	`[8, 9, 1, 2]`	Failed

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