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test: assert OOB Set is retrieved at the last index - #290

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official-burak:fix-oracle-oob-set-append-get
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test: assert OOB Set is retrieved at the last index#290
official-burak wants to merge 1 commit into
buger:masterfrom
official-burak:fix-oracle-oob-set-append-get

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@official-burak

@official-burak official-burak commented Sep 2, 2026

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Thanks for the clear report in #288. The oracle was calling Get with the original out-of-range index after Set, but those writes append at the end, so [1,2] plus [5] becomes [1,2,9] and the value lives at [2].

I pointed the regression cases at that append-at-end document and at Get on the new last index, including the nested case that was still marked as an open data-loss bug.

Fixes #288

The oracle asked Get for the original out-of-range path after Set, which
fails because those writes append at the end.
@buger

buger commented Sep 2, 2026

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Thanks for the contribution, will validate asap!

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Test failures for TestOracleSetPr286Regression

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