154 строки
3.4 KiB
C++
154 строки
3.4 KiB
C++
//
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// Test Suite for geos::precision::SimpleGeometryPrecisionReducer class.
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// tut
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#include <tut/tut.hpp>
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// geos
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#include <geos/precision/SimpleGeometryPrecisionReducer.h>
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#include <geos/geom/Geometry.h>
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#include <geos/geom/GeometryFactory.h>
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#include <geos/geom/PrecisionModel.h>
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#include <geos/io/WKTReader.h>
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// std
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#include <string>
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#include <vector>
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namespace tut {
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//
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// Test Group
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//
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// Common data used by tests
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struct test_sgpr_data {
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typedef std::unique_ptr<geos::geom::Geometry> GeometryPtr;
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typedef geos::geom::GeometryFactory GeometryFactory;
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geos::geom::PrecisionModel pm_float_;
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geos::geom::PrecisionModel pm_fixed_;
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GeometryFactory::Ptr factory_;
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geos::io::WKTReader reader_;
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geos::precision::SimpleGeometryPrecisionReducer reducer_;
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geos::precision::SimpleGeometryPrecisionReducer reducer2_; // keep collapse
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test_sgpr_data() :
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pm_float_(),
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pm_fixed_(1),
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factory_(GeometryFactory::create(&pm_float_, 0)),
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reader_(factory_.get()),
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reducer_(&pm_fixed_),
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reducer2_(&pm_fixed_)
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{
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reducer2_.setRemoveCollapsedComponents(false);
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}
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};
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typedef test_group<test_sgpr_data> group;
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typedef group::object object;
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group test_sgpr_group("geos::precision::SimpleGeometryPrecisionReducer");
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//
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// Test Cases
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//
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// Test square
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template<>
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template<>
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void object::test<1>
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()
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{
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GeometryPtr g1(reader_.read("POLYGON (( 0 0, 0 1.4, 1.4 1.4, 1.4 0, 0 0 ))"));
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GeometryPtr g2(reader_.read("POLYGON (( 0 0, 0 1, 1 1, 1 0, 0 0 ))"));
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GeometryPtr result(reducer_.reduce(g1.get()));
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ensure(result->equalsExact(g2.get()));
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}
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// Test tiny square collapse
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template<>
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template<>
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void object::test<2>
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()
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{
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GeometryPtr g1(reader_.read("POLYGON (( 0 0, 0 .4, .4 .4, .4 0, 0 0 ))"));
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GeometryPtr g2(reader_.read("POLYGON EMPTY"));
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GeometryPtr result(reducer_.reduce(g1.get()));
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ensure(result->equalsExact(g2.get()));
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}
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// Test square collapse
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template<>
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template<>
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void object::test<3>
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()
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{
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GeometryPtr g1(reader_.read("POLYGON (( 0 0, 0 1.4, .4 .4, .4 0, 0 0 ))"));
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GeometryPtr g2(reader_.read("POLYGON EMPTY"));
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GeometryPtr result(reducer_.reduce(g1.get()));
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ensure(result->equalsExact(g2.get()));
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}
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// Test square keep collapse
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template<>
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template<>
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void object::test<4>
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()
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{
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GeometryPtr g1(reader_.read("POLYGON (( 0 0, 0 1.4, .4 .4, .4 0, 0 0 ))"));
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GeometryPtr g2(reader_.read("POLYGON (( 0 0, 0 1, 0 0, 0 0, 0 0 ))"));
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GeometryPtr result(reducer2_.reduce(g1.get()));
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ensure(result->equalsExact(g2.get()));
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}
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// Test line
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template<>
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template<>
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void object::test<5>
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()
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{
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GeometryPtr g1(reader_.read("LINESTRING ( 0 0, 0 1.4 )"));
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GeometryPtr g2(reader_.read("LINESTRING (0 0, 0 1)"));
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GeometryPtr result(reducer_.reduce(g1.get()));
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ensure(result->equalsExact(g2.get()));
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}
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// Test line remove collapse
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template<>
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template<>
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void object::test<6>
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()
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{
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GeometryPtr g1(reader_.read("LINESTRING ( 0 0, 0 .4 )"));
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GeometryPtr g2(reader_.read("LINESTRING EMPTY"));
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GeometryPtr result(reducer_.reduce(g1.get()));
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ensure(result->equalsExact(g2.get()));
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}
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// Test line keep collapse
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template<>
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template<>
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void object::test<7>
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()
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{
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GeometryPtr g1(reader_.read("LINESTRING ( 0 0, 0 .4 )"));
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GeometryPtr g2(reader_.read("LINESTRING ( 0 0, 0 0 )"));
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GeometryPtr result(reducer2_.reduce(g1.get()));
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ensure(result->equalsExact(g2.get()));
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}
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} // namespace tut
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