53 lines
1.5 KiB
C++
53 lines
1.5 KiB
C++
#include "catch.hpp"
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#include <mapnik/geometry/remove_empty.hpp>
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TEST_CASE("geometry remove_empty") {
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SECTION("point") {
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using geom_type = mapnik::geometry::point<double>;
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geom_type pt(10, 10);
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geom_type pt2 = mapnik::geometry::remove_empty(pt);
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REQUIRE(pt.x == pt2.x);
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REQUIRE(pt.y == pt2.y);
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}
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SECTION("multi-linestring") {
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using geom_type = mapnik::geometry::multi_line_string<double>;
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geom_type geom;
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mapnik::geometry::line_string<double> line;
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line.emplace_back(0, 0);
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line.emplace_back(0, 25);
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line.emplace_back(0, 50);
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geom.emplace_back(std::move(line));
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geom.emplace_back();
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REQUIRE(geom.size() == 2);
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geom_type geom2 = mapnik::geometry::remove_empty(geom);
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REQUIRE(geom2.size() == 1);
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REQUIRE(geom2[0].size() == 3);
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}
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SECTION("multi-polygon") {
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using geom_type = mapnik::geometry::multi_polygon<double>;
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geom_type geom;
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mapnik::geometry::polygon<double> poly;
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mapnik::geometry::linear_ring<double> ring;
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ring.emplace_back(0, 0);
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ring.emplace_back(1, 0);
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ring.emplace_back(1, 1);
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ring.emplace_back(0, 1);
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ring.emplace_back(0, 0);
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poly.push_back(std::move(ring));
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geom.emplace_back(std::move(poly));
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geom.emplace_back();
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//geom.back().emplace_back(); //add an empty exterior ring
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REQUIRE(geom.size() == 2);
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geom_type geom2 = mapnik::geometry::remove_empty(geom);
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REQUIRE(geom2.size() == 1);
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REQUIRE(geom2.front().front().size() == 5);
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}
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}
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