//
// Test Suite for C-API GEOSWithin

#include <tut/tut.hpp>
// geos
#include <geos_c.h>
// std
#include <cstdarg>
#include <cstdio>
#include <cstdlib>

namespace tut {
//
// Test Group
//

// Common data used in test cases.
struct test_capigeoswithin_data {
    GEOSGeometry* geom1_;
    GEOSGeometry* geom2_;

    static void
    notice(const char* fmt, ...)
    {
        std::fprintf(stdout, "NOTICE: ");

        va_list ap;
        va_start(ap, fmt);
        std::vfprintf(stdout, fmt, ap);
        va_end(ap);

        std::fprintf(stdout, "\n");
    }

    test_capigeoswithin_data()
        : geom1_(nullptr), geom2_(nullptr)
    {
        initGEOS(notice, notice);
    }

    ~test_capigeoswithin_data()
    {
        GEOSGeom_destroy(geom1_);
        GEOSGeom_destroy(geom2_);
        geom1_ = nullptr;
        geom2_ = nullptr;
        finishGEOS();
    }

};

typedef test_group<test_capigeoswithin_data> group;
typedef group::object object;

group test_capigeoswithin_group("capi::GEOSWithin");

//
// Test Cases
//

template<>
template<>
void object::test<1>
()
{
    geom1_ = GEOSGeomFromWKT("POLYGON EMPTY");
    geom2_ = GEOSGeomFromWKT("POLYGON EMPTY");

    ensure(nullptr != geom1_);
    ensure(nullptr != geom2_);

    char const r1 = GEOSWithin(geom1_, geom2_);

    ensure_equals(r1, 0);

    char const r2 = GEOSWithin(geom2_, geom1_);

    ensure_equals(r2, 0);
}

template<>
template<>
void object::test<2>
()
{
    geom1_ = GEOSGeomFromWKT("POLYGON((1 1,1 5,5 5,5 1,1 1))");
    geom2_ = GEOSGeomFromWKT("POINT(2 2)");

    ensure(nullptr != geom1_);
    ensure(nullptr != geom2_);

    char const r1 = GEOSWithin(geom1_, geom2_);

    ensure_equals(int(r1), 0);

    char const r2 = GEOSWithin(geom2_, geom1_);

    ensure_equals(int(r2), 1);
}

template<>
template<>
void object::test<3>
()
{
    geom1_ = GEOSGeomFromWKT("MULTIPOLYGON(((0 0,0 10,10 10,10 0,0 0)))");
    geom2_ = GEOSGeomFromWKT("POLYGON((1 1,1 2,2 2,2 1,1 1))");

    ensure(nullptr != geom1_);
    ensure(nullptr != geom2_);

    char const r1 = GEOSWithin(geom1_, geom2_);

    ensure_equals(int(r1), 0);

    char const r2 = GEOSWithin(geom2_, geom1_);

    ensure_equals(int(r2), 1);
}

} // namespace tut

