FA-12232 / Navigation route constraints / Member archive

Map matching snaps a waypoint onto an inaccessible bridge deck · case 02

Map matching snaps a waypoint onto an inaccessible bridge deck in the controlled route-policy fixture.

Member previewVariant 2 · 3 implementations · 7 checks per implementation

Case contract

Candidates are (ID, nonnegative integer distance, deck, modes). Return the closest ID matching the known deck and requested mode, or None. Ties use lexicographic ID.

Why this case matters

Navigation policies depend on road context that a shortest-path cost alone does not encode.

One recorded failure

Sample boundary fixture

This sample comes from the broken implementation of a controlled reproducer.

Boundary fixture	Actual	Expected	Outcome
deck and mode	`"bridge"`	`"road"`	Failed

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