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#include <tut/tut.hpp>
// geos
#include <geos_c.h>
#include "capi_test_utils.h"
namespace tut {
//
// Test Group
//
struct test_geoswktwriter_data : public capitest::utility {
test_geoswktwriter_data() :
wktwriter_(GEOSWKTWriter_create()),
wkt_(nullptr)
{}
~test_geoswktwriter_data() {
GEOSWKTWriter_destroy(wktwriter_);
GEOSFree(wkt_);
}
void
test_writer_wkt(std::string const& wkt)
{
GEOSGeometry* geom1 = GEOSGeomFromWKT(wkt.c_str());
ensure(nullptr != geom1);
char* wkt_c = GEOSWKTWriter_write(wktwriter_, geom1);
std::string out(wkt_c);
free(wkt_c);
GEOSGeom_destroy(geom1);
ensure_equals(out, wkt);
}
void
test_writer_wkt(std::string const& wkt, std::string const& expected)
{
GEOSGeometry* geom1 = GEOSGeomFromWKT(wkt.c_str());
ensure(nullptr != geom1);
char* wkt_c = GEOSWKTWriter_write(wktwriter_, geom1);
std::string out(wkt_c);
free(wkt_c);
GEOSGeom_destroy(geom1);
ensure_equals(out, expected);
}
GEOSWKTWriter* wktwriter_;
char* wkt_;
};
typedef test_group<test_geoswktwriter_data> group;
typedef group::object object;
group test_geoswktwriter("capi::GEOSWKTWriter");
// Check default output dimension 4
template<>
template<>
void object::test<1>()
{
ensure_equals(GEOSWKTWriter_getOutputDimension(wktwriter_), 4);
test_writer_wkt("POINT (10 13)");
test_writer_wkt("POINT Z (10 13 3)");
test_writer_wkt("POINT M (10 13 5)");
test_writer_wkt("POINT ZM (10 13 3 5)");
}
// Check writer with output dimension 2
template<>
template<>
void object::test<2>()
{
GEOSWKTWriter_setOutputDimension(wktwriter_, 2);
ensure_equals("getOutputDimension_2", GEOSWKTWriter_getOutputDimension(wktwriter_), 2);
test_writer_wkt("POINT (10 13)");
test_writer_wkt("POINT Z (10 13 3)", "POINT (10 13)");
test_writer_wkt("POINT M (10 13 5)", "POINT (10 13)");
test_writer_wkt("POINT ZM (10 13 3 5)", "POINT (10 13)");
}
// Check writer with output dimension 3
template<>
template<>
void object::test<3>()
{
GEOSWKTWriter_setTrim(wktwriter_, 1); // redundant, but keep to ensure it stays trim
GEOSWKTWriter_setOutputDimension(wktwriter_, 3);
ensure_equals("getOutputDimension_3", GEOSWKTWriter_getOutputDimension(wktwriter_), 3);
test_writer_wkt("POINT (10 13)");
test_writer_wkt("POINT Z (10 13 3)");
test_writer_wkt("POINT M (10 13 3)");
test_writer_wkt("POINT ZM (10 13 3 5)", "POINT Z (10 13 3)");
}
// Check Old3D with output dimension 3
template<>
template<>
void object::test<4>()
{
GEOSWKTWriter_setOld3D(wktwriter_, 1);
GEOSWKTWriter_setOutputDimension(wktwriter_, 3);
test_writer_wkt("POINT (10 13)");
test_writer_wkt("POINT (10 13 3)");
test_writer_wkt("POINT M (10 13 5)");
test_writer_wkt("POINT ZM (10 13 3 5)", "POINT (10 13 3)");
}
// Check Old3D with default output dimension 4
template<>
template<>
void object::test<5>()
{
GEOSWKTWriter_setOld3D(wktwriter_, 1);
ensure_equals(GEOSWKTWriter_getOutputDimension(wktwriter_), 4);
test_writer_wkt("POINT (10 13)");
test_writer_wkt("POINT (10 13 3)");
test_writer_wkt("POINT M (10 13 5)");
test_writer_wkt("POINT (10 13 3 5)");
}
// Check to get legacy default output before GEOS 3.12, showing untrimmed 2D WKT
template<>
template<>
void object::test<6>()
{
GEOSWKTWriter_setTrim(wktwriter_, 0);
GEOSWKTWriter_setOutputDimension(wktwriter_, 2);
std::string expected("POINT (10.0000000000000000 13.0000000000000000)");
test_writer_wkt("POINT (10 13)", expected);
test_writer_wkt("POINT Z (10 13 3)", expected);
test_writer_wkt("POINT M (10 13 5)", expected);
test_writer_wkt("POINT ZM (10 13 3 5)", expected);
}
// Check untrimmed WKT with a fixed precision
template<>
template<>
void object::test<7>()
{
GEOSWKTWriter_setTrim(wktwriter_, 0);
GEOSWKTWriter_setRoundingPrecision(wktwriter_, 2);
test_writer_wkt("POINT (10 13)", "POINT (10.00 13.00)");
test_writer_wkt("POINT Z (10 13 3)", "POINT Z (10.00 13.00 3.00)");
test_writer_wkt("POINT M (10 13 5)", "POINT M (10.00 13.00 5.00)");
test_writer_wkt("POINT ZM (10 13 3 5)", "POINT ZM (10.00 13.00 3.00 5.00)");
}
} // namespace tut
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