FA-3982 / Text processing / Member archive
Text edit distance counts only length difference · case 02
Text edit distance counts only length difference.
Case contract
Return Levenshtein distance for two strings, unit insertion/deletion/substitution.
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 fixtureThis sample comes from the broken implementation of a controlled reproducer.
| Boundary fixture | Actual | Expected | Outcome |
|---|---|---|---|
| boundary 1 | 0 | 1 | Failed |
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