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//
// Test Suite for C-API GEOSCoverageUnion
#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_capicoverageunion_data : public capitest::utility {
test_capicoverageunion_data() {
m_reader = GEOSWKTReader_create();
}
~test_capicoverageunion_data() {
GEOSWKTReader_destroy(m_reader);
}
GEOSWKTReader* m_reader;
};
typedef test_group<test_capicoverageunion_data> group;
typedef group::object object;
group test_capicoverageunion_group("capi::GEOSCoverageUnion");
//
// Test Cases
//
template<>
template<> void object::test<1>
()
{
// Adjacent inputs
std::vector<std::string> wkt{
"POLYGON ((0 0, 0 1, 1 1, 1 0, 0 0))",
"POLYGON ((1 0, 1 1, 2 1, 2 0, 1 0))"
};
auto g1 = GEOSWKTReader_read(m_reader, wkt[0].c_str());
auto g2 = GEOSWKTReader_read(m_reader, wkt[1].c_str());
GEOSGeometry* geoms[2] = { g1, g2 };
auto input = GEOSGeom_createCollection(GEOS_GEOMETRYCOLLECTION, geoms, 2);
auto result = GEOSCoverageUnion(input);
ensure( result != nullptr );
ensure( GEOSGeomTypeId(result) == GEOS_POLYGON );
GEOSGeom_destroy(input);
GEOSGeom_destroy(result);
}
template<>
template<>
void object::test<2>
() {
auto input = GEOSWKTReader_read(m_reader,
"GEOMETRYCOLLECTION(POLYGON ((0 0, 0 1, 1 1, 1 0, 0 0)), POLYGON ((1 0, 0.9 1, 2 1, 2 0, 1 0)))");
auto result = GEOSCoverageUnion(input);
ensure( result == nullptr );
GEOSGeom_destroy(input);
}
template<>
template<> void object::test<4>
()
{
input_ = fromWKT("GEOMETRYCOLLECTION ( "
"CURVEPOLYGON (COMPOUNDCURVE ( CIRCULARSTRING (2 0, 1 1, 2 2), (2 2, 0 2, 0 0, 2 0))), "
"CURVEPOLYGON (COMPOUNDCURVE ( CIRCULARSTRING (2 2, 1 1, 2 0), (2 0, 4 0, 4 2, 2 2))))");
ensure(input_);
result_ = GEOSCoverageSimplifyVW(input_, 0.1, false);
ensure("curved geometry not supported", result_ == nullptr);
}
} // namespace tut
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