44 lines
986 B
C++
44 lines
986 B
C++
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#include "catch.hpp"
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#include <mapnik/geometry/polylabel.hpp>
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TEST_CASE("polylabel") {
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SECTION("empty polygon") {
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mapnik::geometry::polygon<double> poly;
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mapnik::geometry::point<double> pt;
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CHECK(!mapnik::geometry::polylabel(poly, 1.0, pt));
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}
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SECTION("empty exterior ring") {
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mapnik::geometry::polygon<double> poly;
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poly.emplace_back();
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mapnik::geometry::point<double> pt;
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CHECK(!mapnik::geometry::polylabel(poly, 1.0, pt));
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}
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SECTION("polylabel with a square") {
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mapnik::geometry::polygon<double> poly;
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poly.emplace_back();
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auto & exterior_ring = poly.front();
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exterior_ring.emplace_back(-1, -1);
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exterior_ring.emplace_back( 1, -1);
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exterior_ring.emplace_back( 1, 1);
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exterior_ring.emplace_back(-1, 1);
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exterior_ring.emplace_back(-1, -1);
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mapnik::geometry::point<double> pt{ -3, -3 };
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CHECK(mapnik::geometry::polylabel(poly, 1.0, pt));
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CHECK(pt.x == Approx(0));
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CHECK(pt.y == Approx(0));
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}
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}
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