FA-12749 / Voting rule computation / Member archive
Two omitted candidates acquire a fictitious pairwise preference · case 04
Two omitted candidates acquire a fictitious pairwise preference.
Case contract
Return number of partial unique rankings preferring a over b; both omitted are tied, one ranked beats one omitted.
Why this case matters
A deterministic toy ballot model makes the stated counting convention executable.
One recorded failure
Sample boundary fixtureThis sample comes from the broken implementation of a controlled reproducer.
| Boundary fixture | Actual | Expected | Outcome |
|---|---|---|---|
| ranked beats missing | 0 | 4 | Failed |
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