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Pagination button state: Next navigates beyond the final page · case 02

Next navigates beyond the final page.

Member previewVariant 2 · 3 implementations · 11 checks per implementation

Case contract

Empty pagination uses page zero with disabled controls; nonempty page clamps to 1..pages; actions move by one or to endpoints; availability reflects resulting page.

Why this case matters

A deterministic model of pagination button state; this isolates one interface invariant without requiring a browser.

One recorded failure

Sample boundary fixture

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

Boundary fixture	Actual	Expected	Outcome
next end	`[6, true, false]`	`[5, true, false]`	Failed

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