FA-8292 / Viewport layout / Member archive
Nearest-edge scroll reveal: Revealing a lower item scrolls it above the viewport · case 02
Revealing a lower item scrolls it above the viewport.
Case contract
Keep already-visible items stationary; reveal nearest edge; align oversized items at the start; clamp offset to the scrollable extent.
Why this case matters
A deterministic model of nearest-edge scroll reveal; this isolates one interface invariant without requiring a browser.
One recorded failure
Sample boundary fixtureThis sample comes from the broken implementation of a controlled reproducer.
| Boundary fixture | Actual | Expected | Outcome |
|---|---|---|---|
| below | 45 | 25 | Failed |
MEMBER ARCHIVE
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