#include <boost/test/floating_point_comparison.hpp>

#include <boost/test/unit_test.hpp>

#include "engine/polyline_compressor.hpp"

#include "util/coordinate_calculation.hpp"

#include <osrm/coordinate.hpp>

#include <cmath>

#include <vector>

BOOST_AUTO_TEST_SUITE(polyline)

using namespace osrm;

using namespace osrm::engine;

BOOST_AUTO_TEST_CASE(decode)

{

// Polyline string for the 5 coordinates

const std::string polyline = "_gjaR_gjaR_pR_ibE_pR_ibE_pR_ibE_pR_ibE";

const auto coords = polylineDecode(polyline);

// Test coordinates; these would be the coordinates we give the loc parameter,

// e.g. loc=10.00,10.0&loc=10.01,10.1...

util::FixedPointCoordinate coord1(10.00 * COORDINATE_PRECISION, 10.0 * COORDINATE_PRECISION);

util::FixedPointCoordinate coord2(10.01 * COORDINATE_PRECISION, 10.1 * COORDINATE_PRECISION);

util::FixedPointCoordinate coord3(10.02 * COORDINATE_PRECISION, 10.2 * COORDINATE_PRECISION);

util::FixedPointCoordinate coord4(10.03 * COORDINATE_PRECISION, 10.3 * COORDINATE_PRECISION);

util::FixedPointCoordinate coord5(10.04 * COORDINATE_PRECISION, 10.4 * COORDINATE_PRECISION);

// Put the test coordinates into the vector for comparison

std::vector<util::FixedPointCoordinate> cmp_coords;

cmp_coords.emplace_back(coord1);

cmp_coords.emplace_back(coord2);

cmp_coords.emplace_back(coord3);

cmp_coords.emplace_back(coord4);

cmp_coords.emplace_back(coord5);

BOOST_CHECK_EQUAL(cmp_coords.size(), coords.size());

for (unsigned i = 0; i < cmp_coords.size(); ++i)

{

const double cmp1_lat = coords.at(i).lat;

const double cmp2_lat = cmp_coords.at(i).lat;

BOOST_CHECK_CLOSE(cmp1_lat, cmp2_lat, 0.0001);

const double cmp1_lon = coords.at(i).lon;

const double cmp2_lon = cmp_coords.at(i).lon;

BOOST_CHECK_CLOSE(cmp1_lon, cmp2_lon, 0.0001);

}

}

BOOST_AUTO_TEST_SUITE_END()