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/**
* SPDX-License-Identifier: GPL-2.0-or-later
*
* This file is part of osm2pgsql (https://osm2pgsql.org/).
*
* Copyright (C) 2006-2025 by the osm2pgsql developer community.
* For a full list of authors see the git log.
*/
#include <catch.hpp>
#include "geom-box.hpp"
TEST_CASE("Extend box_t with points", "[NoDB]")
{
geom::box_t box;
box.extend(geom::point_t{1.0, 2.0});
REQUIRE(box.min_x() == Approx(1.0));
REQUIRE(box.max_x() == Approx(1.0));
REQUIRE(box.min_y() == Approx(2.0));
REQUIRE(box.max_y() == Approx(2.0));
REQUIRE(box.width() == Approx(0.0));
REQUIRE(box.height() == Approx(0.0));
box.extend(geom::point_t{3.0, -2.0});
REQUIRE(box.min_x() == Approx(1.0));
REQUIRE(box.max_x() == Approx(3.0));
REQUIRE(box.min_y() == Approx(-2.0));
REQUIRE(box.max_y() == Approx(2.0));
REQUIRE(box.width() == Approx(2.0));
REQUIRE(box.height() == Approx(4.0));
REQUIRE(box.min() == geom::point_t{1.0, -2.0});
REQUIRE(box.max() == geom::point_t{3.0, 2.0});
}
TEST_CASE("Extend box_t with box_t", "[NoDB]")
{
geom::box_t box;
box.extend(geom::box_t{1.0, 2.0, 3.0, 4.0});
REQUIRE(box.min_x() == Approx(1.0));
REQUIRE(box.max_x() == Approx(3.0));
REQUIRE(box.min_y() == Approx(2.0));
REQUIRE(box.max_y() == Approx(4.0));
box.extend(geom::box_t{-1.0, 2.0, 2.0, 5.0});
REQUIRE(box.min_x() == Approx(-1.0));
REQUIRE(box.max_x() == Approx(3.0));
REQUIRE(box.min_y() == Approx(2.0));
REQUIRE(box.max_y() == Approx(5.0));
}
TEST_CASE("Extend box_t with linestring", "[NoDB]")
{
geom::box_t box;
geom::linestring_t const ls{{1.0, 2.0}, {2.0, 2.0}, {-5.0, 3.0}};
box.extend(ls);
REQUIRE(box.min_x() == Approx(-5.0));
REQUIRE(box.max_x() == Approx(2.0));
REQUIRE(box.min_y() == Approx(2.0));
REQUIRE(box.max_y() == Approx(3.0));
REQUIRE(box.width() == Approx(7.0));
REQUIRE(box.height() == Approx(1.0));
}
TEST_CASE("Calculate envelope of null geometry")
{
geom::geometry_t const geom{};
REQUIRE(geom::envelope(geom) == geom::box_t{});
}
TEST_CASE("Calculate envelope of point geometry")
{
geom::geometry_t const geom{geom::point_t{2.3, 1.4}};
REQUIRE(geom::envelope(geom) == geom::box_t{2.3, 1.4, 2.3, 1.4});
}
TEST_CASE("Calculate envelope of linestring geometry")
{
geom::geometry_t const geom{geom::linestring_t{{2.3, 1.4}, {2.5, 1.0}}};
REQUIRE(geom::envelope(geom) == geom::box_t{2.3, 1.0, 2.5, 1.4});
}
TEST_CASE("Calculate envelope of polygon geometry")
{
geom::geometry_t const geom{geom::polygon_t{geom::ring_t{
{0.0, 0.0}, {1.0, 0.0}, {1.0, 1.0}, {0.0, 1.0}, {0.0, 0.0}}}};
REQUIRE(geom::envelope(geom) == geom::box_t{0.0, 0.0, 1.0, 1.0});
}
TEST_CASE("Calculate envelope of multipoint geometry")
{
geom::geometry_t geom{geom::multipoint_t{}};
auto &mpt = geom.get<geom::multipoint_t>();
mpt.add_geometry({2.3, 1.4});
mpt.add_geometry({7.3, 0.4});
REQUIRE(geom::envelope(geom) == geom::box_t{2.3, 0.4, 7.3, 1.4});
}
TEST_CASE("Calculate envelope of multilinestring geometry")
{
geom::geometry_t geom{geom::multilinestring_t{}};
auto &mls = geom.get<geom::multilinestring_t>();
mls.add_geometry(geom::linestring_t{{2.3, 1.4}, {2.5, 1.0}});
mls.add_geometry(geom::linestring_t{{7.3, 0.4}, {2.4, 1.8}});
REQUIRE(geom::envelope(geom) == geom::box_t{2.3, 0.4, 7.3, 1.8});
}
TEST_CASE("Calculate envelope of multipolygon geometry")
{
geom::geometry_t geom{geom::multipolygon_t{}};
auto &mp = geom.get<geom::multipolygon_t>();
mp.add_geometry(geom::polygon_t{geom::ring_t{
{1.1, 1.1}, {1.1, 3.3}, {2.2, 3.3}, {2.2, 1.1}, {1.1, 1.1}}});
mp.add_geometry(geom::polygon_t{geom::ring_t{
{2.2, 2.2}, {2.2, 3.3}, {4.4, 3.3}, {4.4, 2.2}, {2.2, 2.2}}});
REQUIRE(geom::envelope(geom) == geom::box_t{1.1, 1.1, 4.4, 3.3});
}
TEST_CASE("Calculate envelope of geometry collection")
{
geom::geometry_t geom{geom::collection_t{}};
auto &c = geom.get<geom::collection_t>();
c.add_geometry(geom::geometry_t{geom::point_t{2.1, 1.2}});
c.add_geometry(geom::geometry_t{geom::polygon_t{geom::ring_t{
{2.2, 2.2}, {2.2, 3.3}, {4.4, 3.3}, {4.4, 2.2}, {2.2, 2.2}}}});
REQUIRE(geom::envelope(geom) == geom::box_t{2.1, 1.2, 4.4, 3.3});
}
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