FA-36239 / Tab interfaces / Member archive

Tab resource sharing: surviving sibling views · case 04

The tab workspace reports an incorrect surviving sibling views.

Member previewVariant 4 · 3 implementations · 6 checks per implementation

Case contract

Several tab views may share one document. Closing one view releases only its view resources and closes document resources only when no other view references that document.

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	`[{"b": "d", "c": "e"}, 1, false, 8, 0, []]`	`[{"b": "d", "c": "e"}, 1, false, 8, 0, ["b"]]`	Failed

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