osrm-backend/third_party/libosmium/test/t/geom/test_geojson.cpp

237 lines
8.1 KiB
C++

#include "catch.hpp"
#include <osmium/builder/builder_helper.hpp>
#include <osmium/geom/geojson.hpp>
#include "../basic/helper.hpp"
TEST_CASE("GeoJSON_Geometry") {
SECTION("point") {
osmium::geom::GeoJSONFactory<> factory;
std::string json {factory.create_point(osmium::Location(3.2, 4.2))};
REQUIRE(std::string{"{\"type\":\"Point\",\"coordinates\":[3.2,4.2]}"} == json);
}
SECTION("empty_point") {
osmium::geom::GeoJSONFactory<> factory;
REQUIRE_THROWS_AS(factory.create_point(osmium::Location()), osmium::invalid_location);
}
SECTION("linestring") {
osmium::geom::GeoJSONFactory<> factory;
osmium::memory::Buffer buffer(10000);
auto& wnl = osmium::builder::build_way_node_list(buffer, {
{1, {3.2, 4.2}},
{3, {3.5, 4.7}},
{4, {3.5, 4.7}},
{2, {3.6, 4.9}}
});
{
std::string json {factory.create_linestring(wnl)};
REQUIRE(std::string{"{\"type\":\"LineString\",\"coordinates\":[[3.2,4.2],[3.5,4.7],[3.6,4.9]]}"} == json);
}
{
std::string json {factory.create_linestring(wnl, osmium::geom::use_nodes::unique, osmium::geom::direction::backward)};
REQUIRE(std::string{"{\"type\":\"LineString\",\"coordinates\":[[3.6,4.9],[3.5,4.7],[3.2,4.2]]}"} == json);
}
{
std::string json {factory.create_linestring(wnl, osmium::geom::use_nodes::all)};
REQUIRE(std::string{"{\"type\":\"LineString\",\"coordinates\":[[3.2,4.2],[3.5,4.7],[3.5,4.7],[3.6,4.9]]}"} == json);
}
{
std::string json {factory.create_linestring(wnl, osmium::geom::use_nodes::all, osmium::geom::direction::backward)};
REQUIRE(std::string{"{\"type\":\"LineString\",\"coordinates\":[[3.6,4.9],[3.5,4.7],[3.5,4.7],[3.2,4.2]]}"} == json);
}
}
SECTION("empty_linestring") {
osmium::geom::GeoJSONFactory<> factory;
osmium::memory::Buffer buffer(10000);
auto& wnl = osmium::builder::build_way_node_list(buffer, {});
REQUIRE_THROWS_AS(factory.create_linestring(wnl), osmium::geometry_error);
REQUIRE_THROWS_AS(factory.create_linestring(wnl, osmium::geom::use_nodes::unique, osmium::geom::direction::backward), osmium::geometry_error);
REQUIRE_THROWS_AS(factory.create_linestring(wnl, osmium::geom::use_nodes::all), osmium::geometry_error);
REQUIRE_THROWS_AS(factory.create_linestring(wnl, osmium::geom::use_nodes::all, osmium::geom::direction::backward), osmium::geometry_error);
}
SECTION("linestring_with_two_same_locations") {
osmium::geom::GeoJSONFactory<> factory;
osmium::memory::Buffer buffer(10000);
auto& wnl = osmium::builder::build_way_node_list(buffer, {
{1, {3.5, 4.7}},
{2, {3.5, 4.7}}
});
REQUIRE_THROWS_AS(factory.create_linestring(wnl), osmium::geometry_error);
REQUIRE_THROWS_AS(factory.create_linestring(wnl, osmium::geom::use_nodes::unique, osmium::geom::direction::backward), osmium::geometry_error);
{
std::string json {factory.create_linestring(wnl, osmium::geom::use_nodes::all)};
REQUIRE(std::string{"{\"type\":\"LineString\",\"coordinates\":[[3.5,4.7],[3.5,4.7]]}"} == json);
}
{
std::string json {factory.create_linestring(wnl, osmium::geom::use_nodes::all, osmium::geom::direction::backward)};
REQUIRE(std::string{"{\"type\":\"LineString\",\"coordinates\":[[3.5,4.7],[3.5,4.7]]}"} == json);
}
}
SECTION("linestring_with_undefined_location") {
osmium::geom::GeoJSONFactory<> factory;
osmium::memory::Buffer buffer(10000);
auto& wnl = osmium::builder::build_way_node_list(buffer, {
{1, {3.5, 4.7}},
{2, osmium::Location()}
});
REQUIRE_THROWS_AS(factory.create_linestring(wnl), osmium::invalid_location);
}
SECTION("area_1outer_0inner") {
osmium::geom::GeoJSONFactory<> factory;
osmium::memory::Buffer buffer(10000);
osmium::Area& area = buffer_add_area(buffer,
"foo",
{},
{
{ true, {
{1, {3.2, 4.2}},
{2, {3.5, 4.7}},
{3, {3.6, 4.9}},
{1, {3.2, 4.2}}
}}
});
REQUIRE(!area.is_multipolygon());
REQUIRE(std::distance(area.cbegin(), area.cend()) == 2);
REQUIRE(std::distance(area.cbegin<osmium::OuterRing>(), area.cend<osmium::OuterRing>()) == area.num_rings().first);
{
std::string json {factory.create_multipolygon(area)};
REQUIRE(std::string{"{\"type\":\"MultiPolygon\",\"coordinates\":[[[[3.2,4.2],[3.5,4.7],[3.6,4.9],[3.2,4.2]]]]}"} == json);
}
}
SECTION("area_1outer_1inner") {
osmium::geom::GeoJSONFactory<> factory;
osmium::memory::Buffer buffer(10000);
osmium::Area& area = buffer_add_area(buffer,
"foo",
{},
{
{ true, {
{1, {0.1, 0.1}},
{2, {9.1, 0.1}},
{3, {9.1, 9.1}},
{4, {0.1, 9.1}},
{1, {0.1, 0.1}}
}},
{ false, {
{5, {1.0, 1.0}},
{6, {8.0, 1.0}},
{7, {8.0, 8.0}},
{8, {1.0, 8.0}},
{5, {1.0, 1.0}}
}}
});
REQUIRE(!area.is_multipolygon());
REQUIRE(std::distance(area.cbegin(), area.cend()) == 3);
REQUIRE(std::distance(area.cbegin<osmium::OuterRing>(), area.cend<osmium::OuterRing>()) == area.num_rings().first);
REQUIRE(std::distance(area.cbegin<osmium::InnerRing>(), area.cend<osmium::InnerRing>()) == area.num_rings().second);
{
std::string json {factory.create_multipolygon(area)};
REQUIRE(std::string{"{\"type\":\"MultiPolygon\",\"coordinates\":[[[[0.1,0.1],[9.1,0.1],[9.1,9.1],[0.1,9.1],[0.1,0.1]],[[1,1],[8,1],[8,8],[1,8],[1,1]]]]}"} == json);
}
}
SECTION("area_2outer_2inner") {
osmium::geom::GeoJSONFactory<> factory;
osmium::memory::Buffer buffer(10000);
osmium::Area& area = buffer_add_area(buffer,
"foo",
{},
{
{ true, {
{1, {0.1, 0.1}},
{2, {9.1, 0.1}},
{3, {9.1, 9.1}},
{4, {0.1, 9.1}},
{1, {0.1, 0.1}}
}},
{ false, {
{5, {1.0, 1.0}},
{6, {4.0, 1.0}},
{7, {4.0, 4.0}},
{8, {1.0, 4.0}},
{5, {1.0, 1.0}}
}},
{ false, {
{10, {5.0, 5.0}},
{11, {5.0, 7.0}},
{12, {7.0, 7.0}},
{10, {5.0, 5.0}}
}},
{ true, {
{100, {10.0, 10.0}},
{101, {11.0, 10.0}},
{102, {11.0, 11.0}},
{103, {10.0, 11.0}},
{100, {10.0, 10.0}}
}}
});
REQUIRE(area.is_multipolygon());
REQUIRE(std::distance(area.cbegin(), area.cend()) == 5);
REQUIRE(std::distance(area.cbegin<osmium::OuterRing>(), area.cend<osmium::OuterRing>()) == area.num_rings().first);
REQUIRE(std::distance(area.cbegin<osmium::InnerRing>(), area.cend<osmium::InnerRing>()) == area.num_rings().second);
int outer_ring=0;
int inner_ring=0;
for (auto it_outer = area.cbegin<osmium::OuterRing>(); it_outer != area.cend<osmium::OuterRing>(); ++it_outer) {
if (outer_ring == 0) {
REQUIRE(it_outer->front().ref() == 1);
} else if (outer_ring == 1) {
REQUIRE(it_outer->front().ref() == 100);
} else {
REQUIRE(false);
}
for (auto it_inner = area.inner_ring_cbegin(it_outer); it_inner != area.inner_ring_cend(it_outer); ++it_inner) {
if (outer_ring == 0 && inner_ring == 0) {
REQUIRE(it_inner->front().ref() == 5);
} else if (outer_ring == 0 && inner_ring == 1) {
REQUIRE(it_inner->front().ref() == 10);
} else {
REQUIRE(false);
}
++inner_ring;
}
inner_ring = 0;
++outer_ring;
}
{
std::string json {factory.create_multipolygon(area)};
REQUIRE(std::string{"{\"type\":\"MultiPolygon\",\"coordinates\":[[[[0.1,0.1],[9.1,0.1],[9.1,9.1],[0.1,9.1],[0.1,0.1]],[[1,1],[4,1],[4,4],[1,4],[1,1]],[[5,5],[5,7],[7,7],[5,5]]],[[[10,10],[11,10],[11,11],[10,11],[10,10]]]]}"} == json);
}
}
}