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Dataset split: domain holdout leaks through a second domain label · case 04
domain holdout leaks through a second domain label.
Case contract
Rows [id,domains]; hold out the lexically greatest domain and return rows containing it.
Why this case matters
This toy split allocator makes membership rules explicit for reproducible evaluation fixtures.
One recorded failure
Sample boundary fixtureThis sample comes from the broken implementation of a controlled reproducer.
| Boundary fixture | Actual | Expected | Outcome |
|---|---|---|---|
| later domain member | ["b"] | ["a", "b"] | Failed |
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