FA-3735 / Binary formats / Member archive
Delta encoding subtracts the initial sample every time · case 05
Delta encoding subtracts the initial sample every time.
Case contract
Encode first integer unchanged and each later value minus its immediate predecessor.
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 | [10, 12, 15] | [10, 2, 3] | Failed |
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