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//
// Test Suite for C-API GEOSMinimumWidth
#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_capigeosminimumwidth_data : public capitest::utility {
test_capigeosminimumwidth_data()
{
GEOSWKTWriter_setRoundingPrecision(wktw_, 8);
}
};
typedef test_group<test_capigeosminimumwidth_data> group;
typedef group::object object;
group test_capigeosminimumwidth_group("capi::GEOSMinimumWidth");
//
// Test Cases
//
template<>
template<>
void object::test<1>
()
{
input_ = GEOSGeomFromWKT("POLYGON ((0 0, 0 15, 5 10, 5 0, 0 0))");
ensure(nullptr != input_);
GEOSGeometry* output = GEOSMinimumWidth(input_);
ensure(nullptr != output);
ensure(0 == GEOSisEmpty(output));
wkt_ = GEOSWKTWriter_write(wktw_, output);
ensure_equals(std::string(wkt_), std::string("LINESTRING (0 0, 5 0)"));
GEOSGeom_destroy(output);
}
template<>
template<>
void object::test<2>
()
{
input_ = GEOSGeomFromWKT("LINESTRING (0 0,0 10, 10 10)");
ensure(nullptr != input_);
GEOSGeometry* output = GEOSMinimumWidth(input_);
ensure(nullptr != output);
ensure(0 == GEOSisEmpty(output));
wkt_ = GEOSWKTWriter_write(wktw_, output);
ensure_equals(std::string(wkt_), std::string("LINESTRING (5 5, 0 10)"));
GEOSGeom_destroy(output);
}
template<>
template<>
void object::test<3>
()
{
input_ = fromWKT("CIRCULARSTRING (0 0, 1 1, 2 0)");
ensure(input_);
result_ = GEOSMinimumWidth(input_);
ensure("curved geometry not supported", result_ == nullptr);
}
} // namespace tut
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