FAILURE MAP
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Undecodable bytes cannot be re-encoded losslessly · case 04

Undecodable bytes cannot be re-encoded losslessly.

Member previewVariant 4 · 3 implementations · 4 checks per implementation

Case contract

Decode UTF-8 with surrogateescape and return code point ordinals.

Why this case matters

A local executable model for consumers of structured text; oracle values are authored literals, not outputs copied from the repaired implementation.

One recorded failure

Sample boundary fixture

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

Boundary fixtureActualExpectedOutcome
boundary 1[65533][56575]Failed

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