FA-3643 / Binary formats / Member archive
A packed field includes adjacent flag bits · case 03
A packed field includes adjacent flag bits.
Case contract
Extract bits 2 through 4 as a three-bit unsigned field.
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 | 63 | 7 | Failed |
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