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// $Id$
//
// Test Suite for C-API GEOSMaximumInscribedCircle
#include <tut/tut.hpp>
// geos
#include <geos_c.h>
#include "capi_test_utils.h"
namespace tut {
//
// Test Group
//
// Common data used in test cases.
struct test_capimaximuminscribedcircle_data : public capitest::utility {
char* wkt_;
test_capimaximuminscribedcircle_data()
: wkt_(nullptr)
{
GEOSWKTWriter_setRoundingPrecision(wktw_, 8);
}
~test_capimaximuminscribedcircle_data()
{
GEOSFree(wkt_);
}
};
typedef test_group<test_capimaximuminscribedcircle_data> group;
typedef group::object object;
group test_capimaximuminscribedcircle_group("capi::GEOSMaximumInscribedCircle");
//
// Test Cases
//
// Square
template<>
template<>
void object::test<1>
()
{
geom1_ = GEOSGeomFromWKT("POLYGON ((100 200, 200 200, 200 100, 100 100, 100 200))");
ensure(nullptr != geom1_);
geom2_ = GEOSMaximumInscribedCircle(geom1_, 0.001);
ensure(nullptr != geom2_);
wkt_ = GEOSWKTWriter_write(wktw_, geom2_);
ensure_equals(std::string(wkt_), std::string("LINESTRING (150 150, 150 200)"));
}
// Crash with Inf coords
// https://github.com/libgeos/geos/issues/821
template<>
template<>
void object::test<2>
()
{
std::string wkb("0106000020E61000000100000001030000000100000005000000000000000000F07F000000000000F07F000000000000F07F000000000000F07F000000000000F07F000000000000F07F000000000000F07F000000000000F07F000000000000F07F000000000000F07F");
geom1_ = GEOSGeomFromHEX_buf(reinterpret_cast<const unsigned char*>(wkb.c_str()), wkb.size());
result_ = GEOSMaximumInscribedCircle(geom1_, 1);
// no crash
}
template<>
template<>
void object::test<3>()
{
input_ = fromWKT("CURVEPOLYGON (COMPOUNDCURVE (CIRCULARSTRING (0 0, 10 10, 20 0), (20 0, 0 0)))");
ensure(input_);
result_ = GEOSMaximumInscribedCircle(input_, 1);
ensure("curved geometry not supported", result_ == nullptr);
}
} // namespace tut
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