FA-66709 / Airline fare rule evaluation / Member archive

Interline permission read backwards · case 04

Journeys marked interline-permitted are rejected and forbidden ones pass.

Member previewVariant 4 · 3 implementations · 9 checks per implementation

Case contract

Input {'components':[[RT amount, carrier, tariff]],'interline_ok'}. Each component contributes half its RT amount rounded up to a whole unit. All components must share one tariff ('ERR_TARIFF', checked first); multiple carriers require interline_ok ('ERR_CARRIER'). Return the summed halves.

Why this case matters

Open-jaw and end-on-end pricing combines half round-trip fares, subject to combinability conditions and per-component rounding.

One recorded failure

Sample boundary fixture

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

Boundary fixture	Actual	Expected	Outcome
interline allowed	`"ERR_CARRIER"`	`951`	Failed

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