mapnik/test/unit/geometry/is_empty.cpp

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#include "catch.hpp"
#include <mapnik/geometry_is_empty.hpp>
TEST_CASE("geometry is_empty") {
SECTION("empty geometry") {
mapnik::geometry::geometry_empty geom;
REQUIRE(mapnik::geometry::is_empty(geom));
}
SECTION("geometry collection") {
{
mapnik::geometry::geometry_collection<double> geom;
REQUIRE(mapnik::geometry::is_empty(geom));
}
{
mapnik::geometry::geometry_collection<double> geom;
mapnik::geometry::geometry_empty geom1;
geom.emplace_back(std::move(geom1));
REQUIRE(!mapnik::geometry::is_empty(geom));
}
}
SECTION("point") {
mapnik::geometry::point<double> pt(10, 10);
REQUIRE(!mapnik::geometry::is_empty(pt));
}
SECTION("linestring") {
{
mapnik::geometry::line_string<double> line;
REQUIRE(mapnik::geometry::is_empty(line));
}
{
mapnik::geometry::line_string<double> line;
line.add_coord(0, 0);
line.add_coord(25, 25);
line.add_coord(50, 50);
REQUIRE(!mapnik::geometry::is_empty(line));
}
}
SECTION("polygon") {
{
mapnik::geometry::polygon<double> poly;
REQUIRE(mapnik::geometry::is_empty(poly));
}
{
mapnik::geometry::polygon<double> poly;
mapnik::geometry::linear_ring<double> ring;
poly.set_exterior_ring(std::move(ring));
REQUIRE(mapnik::geometry::is_empty(poly));
}
{
mapnik::geometry::polygon<double> poly;
mapnik::geometry::linear_ring<double> ring;
ring.add_coord(0, 0);
ring.add_coord(1, 0);
ring.add_coord(1, 1);
ring.add_coord(0, 1);
ring.add_coord(0, 0);
poly.set_exterior_ring(std::move(ring));
REQUIRE(!mapnik::geometry::is_empty(poly));
}
}
SECTION("multi-point") {
{
mapnik::geometry::multi_point<double> geom;
REQUIRE(mapnik::geometry::is_empty(geom));
}
{
mapnik::geometry::multi_point<double> geom;
geom.add_coord(0, 0);
geom.add_coord(25, 25);
geom.add_coord(50, 50);
REQUIRE(!mapnik::geometry::is_empty(geom));
}
}
SECTION("multi-linestring") {
{
mapnik::geometry::multi_line_string<double> geom;
REQUIRE(mapnik::geometry::is_empty(geom));
}
{
mapnik::geometry::multi_line_string<double> geom;
mapnik::geometry::line_string<double> line;
geom.emplace_back(std::move(line));
REQUIRE(!mapnik::geometry::is_empty(geom));
}
}
SECTION("multi-polygon") {
{
mapnik::geometry::multi_polygon<double> geom;
REQUIRE(mapnik::geometry::is_empty(geom));
}
{
mapnik::geometry::multi_polygon<double> geom;
mapnik::geometry::polygon<double> poly;
mapnik::geometry::linear_ring<double> ring;
poly.set_exterior_ring(std::move(ring));
geom.emplace_back(std::move(poly));
REQUIRE(!mapnik::geometry::is_empty(geom));
}
}
}