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