File: test_area_id.cpp

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libosmium 2.23.0-2
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#include "catch.hpp"

#include <osmium/osm/area.hpp>
#include <osmium/osm/item_type.hpp>

TEST_CASE("object_id to area_id conversion") {
    REQUIRE( 46 == osmium::object_id_to_area_id( 23, osmium::item_type::way));
    REQUIRE( 47 == osmium::object_id_to_area_id( 23, osmium::item_type::relation));
    REQUIRE(  0 == osmium::object_id_to_area_id(  0, osmium::item_type::way));
    REQUIRE(  1 == osmium::object_id_to_area_id(  0, osmium::item_type::relation));
    REQUIRE(-24 == osmium::object_id_to_area_id(-12, osmium::item_type::way));
    REQUIRE(-25 == osmium::object_id_to_area_id(-12, osmium::item_type::relation));
}

TEST_CASE("area_id to object_id conversion") {
    REQUIRE( 23 == osmium::area_id_to_object_id( 46));
    REQUIRE( 23 == osmium::area_id_to_object_id( 47));
    REQUIRE(  0 == osmium::area_id_to_object_id(  0));
    REQUIRE(  0 == osmium::area_id_to_object_id(  1));
    REQUIRE(-12 == osmium::area_id_to_object_id(-24));
    REQUIRE(-12 == osmium::area_id_to_object_id(-25));
}