FA-36819 / Tab interfaces / Member archive

Multirow tab strip: within row tab origin · case 04

The tab workspace reports an incorrect within row tab origin.

Member previewVariant 4 · 3 implementations · 6 checks per implementation

Case contract

A multirow strip greedily packs indivisible tab widths with exact fits allowed. The active tab row is painted adjacent to content after other rows; tab identity and within-row coordinates follow this row permutation.

Why this case matters

Offline tab/panel workspace behavior; no browser or desktop framework is emulated.

One recorded failure

Sample boundary fixture

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

Boundary fixture	Actual	Expected	Outcome
workspace regression 0	`[[[0, 1], [2, 3]], 600, 1, [[0, 1], [2, 3]], 96, [0, 1, 2, 3]]`	`[[[0, 1], [2, 3]], 0, 1, [[0, 1], [2, 3]], 96, [0, 1, 2, 3]]`	Failed

MEMBER ARCHIVE

The complete case is available to members.

This record includes three runnable implementations, regression fixtures, execution results, and source hashes.

Member access is invitation-based. Sign in with your invited account to inspect the sources.