FA-26787 / HTTP ranges / Member archive
Completed byte positions count once across duplicate downloaded fragments · case 02
Completed byte positions count once across duplicate downloaded fragments.
Case contract
Input is a list of explicit downloaded byte-offset lists, not intervals. Return count of distinct durable byte positions.
Why this case matters
Range responses combine representation identity, conditional requests, framing, and partial-object state.
One recorded failure
Sample boundary fixtureThis sample comes from the broken implementation of a controlled reproducer.
| Boundary fixture | Actual | Expected | Outcome |
|---|---|---|---|
| resume-progress-union-not-sum fixture 0 | 4 | 3 | Failed |
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