}

    @ParameterizedTest
    @MethodSource("knownMappings")
    @DisplayName("Happy path: known DOS codes map to expected NTSTATUS")
    void mapsKnownDosCodesToNtStatus(int dosCode, int expectedNtStatus) {
        // Act
        int actual = findNtStatusOrMinusOne(dosCode);

        // Assert
        assertEquals(expectedNtStatus, actual, "Mapping must match table entry");