// Test Suite for C-API RemoveRepeatedPoits

#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_capiremoverepeatedpoints_data : public capitest::utility {
    test_capiremoverepeatedpoints_data() {
    }
};

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

group test_capiremoverepeatedpoints_group("capi::GEOSRemoveRepeatedPoints");

//
// Test Cases
//

template<>
template<>
void object::test<1>
()
{
    geom1_ = GEOSGeomFromWKT("POLYGON((0 0, 0 1, 0 10, 10 10, 10 0, 9 0, 1 0, 0 0))");
    result_ = GEOSRemoveRepeatedPoints(geom1_, 3.0);
    expected_ = GEOSGeomFromWKT("POLYGON ((0 0, 0 10, 10 10, 10 0, 0 0))");
    ensure_geometry_equals(result_, expected_);
}

// https://github.com/libgeos/geos/issues/759
template<>
template<>
void object::test<2>
()
{
    geom1_ = GEOSGeomFromWKT("POLYGON ((0 0, 1 0, 1 1, 0 1, 0 0))");
    expected_ = GEOSGeomFromWKT("POLYGON EMPTY");
    result_ = GEOSRemoveRepeatedPoints(geom1_, 2.0);
    ensure_geometry_equals(result_, expected_);
}

template<>
template<>
void object::test<3>()
{
    input_ = fromWKT("CIRCULARSTRING (0 0, 1 1, 2 0, 2 0, 2 0)");
    ensure(input_);

    result_ = GEOSRemoveRepeatedPoints(input_, 0);
    ensure("curved geometry not supported", result_ == nullptr);
}

template<>
template<>
void object::test<4>()
{
    set_test_name("Z/M values not considered");

    input_ = fromWKT("LINESTRING ZM (0 0 0 0, 1 3 5 6, 1 3 6 7, 2 6 7 4)");
    ensure(input_);

    expected_ = fromWKT("LINESTRING ZM (0 0 0 0, 1 3 5 6, 2 6 7 4)");

    result_ = GEOSRemoveRepeatedPoints(input_, 0);
    ensure_geometry_equals_identical(result_, expected_);
}

} // namespace tut
