mapnik/test/unit/serialization/wkb_formats_test.cpp

#include "catch.hpp"

#include <iostream>
#include <mapnik/wkb.hpp>
#include <mapnik/geometry/is_valid.hpp>
#include <mapnik/geometry/is_simple.hpp>
#include <mapnik/geometry/correct.hpp>
#include <boost/version.hpp>

TEST_CASE("geometry formats")
{
    SECTION("wkb")
    {
        unsigned char sp_valid_blob[] = {
          0x0,  0x1,  0xBC, 0xB,  0x0,  0x0,  0x1F, 0x12, 0xDB, 0xCF, 0xC3, 0xA2, 0x41, 0x41, 0x9D, 0x74, 0xB0, 0x31,
          0xE6, 0x34, 0x53, 0x41, 0xDB, 0x1B, 0xB6, 0x7C, 0xD9, 0xA2, 0x41, 0x41, 0x67, 0xA7, 0xB6, 0xF,  0xF6, 0x34,
          0x53, 0x41, 0x7C, 0x6,  0x0,  0x0,  0x0,  0x1,  0x0,  0x0,  0x0,  0x69, 0x3,  0x0,  0x0,  0x0,  0x1,  0x0,
          0x0,  0x0,  0x12, 0x0,  0x0,  0x0,  0xBB, 0x4B, 0x9C, 0x59, 0xD2, 0xA2, 0x41, 0x41, 0x3A, 0xAA, 0x3F, 0xAE,
          0xEB, 0x34, 0x53, 0x41, 0xA2, 0xC2, 0xE4, 0xC6, 0xD1, 0xA2, 0x41, 0x41, 0x4C, 0xFE, 0x6,  0x2B, 0xEC, 0x34,
          0x53, 0x41, 0xEC, 0x65, 0x5F, 0x6,  0xCE, 0xA2, 0x41, 0x41, 0xDD, 0x33, 0x7F, 0x24, 0xEF, 0x34, 0x53, 0x41,
          0x2D, 0x35, 0x2D, 0x30, 0xCB, 0xA2, 0x41, 0x41, 0x4E, 0xA7, 0x88, 0x9,  0xF1, 0x34, 0x53, 0x41, 0x58, 0x2F,
          0x12, 0x96, 0xCA, 0xA2, 0x41, 0x41, 0x52, 0xD1, 0xBD, 0xDC, 0xF0, 0x34, 0x53, 0x41, 0x1F, 0x12, 0xDB, 0xCF,
          0xC3, 0xA2, 0x41, 0x41, 0xB9, 0x31, 0xA4, 0xE1, 0xF5, 0x34, 0x53, 0x41, 0x21, 0xBB, 0x20, 0x6D, 0xC4, 0xA2,
          0x41, 0x41, 0x67, 0xA7, 0xB6, 0xF,  0xF6, 0x34, 0x53, 0x41, 0x5A, 0x82, 0x4A, 0xD3, 0xCA, 0xA2, 0x41, 0x41,
          0xA7, 0x85, 0x3D, 0x58, 0xF1, 0x34, 0x53, 0x41, 0x22, 0xB8, 0x3A, 0x7D, 0xCB, 0xA2, 0x41, 0x41, 0x7D, 0x89,
          0xA1, 0x8E, 0xF1, 0x34, 0x53, 0x41, 0xD0, 0x77, 0x3F, 0x80, 0xCF, 0xA2, 0x41, 0x41, 0x57, 0x69, 0x83, 0xC4,
          0xEE, 0x34, 0x53, 0x41, 0xA7, 0xF5, 0x8E, 0xF9, 0xD1, 0xA2, 0x41, 0x41, 0x9A, 0xA2, 0x31, 0xEE, 0xEC, 0x34,
          0x53, 0x41, 0x2A, 0xCD, 0xDE, 0x4C, 0xD4, 0xA2, 0x41, 0x41, 0x11, 0x43, 0xE1, 0xF7, 0xEA, 0x34, 0x53, 0x41,
          0xF,  0x89, 0xB1, 0x66, 0xD5, 0xA2, 0x41, 0x41, 0xC8, 0x5D, 0x86, 0xF1, 0xE9, 0x34, 0x53, 0x41, 0x19, 0xF4,
          0x73, 0x63, 0xD7, 0xA2, 0x41, 0x41, 0x7,  0xB1, 0x14, 0x36, 0xE8, 0x34, 0x53, 0x41, 0xDB, 0x1B, 0xB6, 0x7C,
          0xD9, 0xA2, 0x41, 0x41, 0x98, 0xB5, 0xE0, 0x74, 0xE6, 0x34, 0x53, 0x41, 0xC0, 0x3F, 0xC6, 0xAC, 0xD8, 0xA2,
          0x41, 0x41, 0x9D, 0x74, 0xB0, 0x31, 0xE6, 0x34, 0x53, 0x41, 0xF0, 0xB5, 0xB1, 0x53, 0xD5, 0xA2, 0x41, 0x41,
          0x97, 0x47, 0xAD, 0x36, 0xE9, 0x34, 0x53, 0x41, 0xBB, 0x4B, 0x9C, 0x59, 0xD2, 0xA2, 0x41, 0x41, 0x3A, 0xAA,
          0x3F, 0xAE, 0xEB, 0x34, 0x53, 0x41, 0xFE};

        unsigned char sp_invalid_blob[] = {
          0x0,  0x1,  0xBC, 0xB,  0x0,  0x0,  0x1F, 0x12, 0xDB, 0xCF, 0xC3, 0xA2, 0x41, 0x41, 0x9D, 0x74, 0xB0, 0x31,
          0xE6, 0x34, 0x53, 0x41, 0xDB, 0x1B, 0xB6, 0x7C, 0xD9, 0xA2, 0x41, 0x41, 0x67, 0xA7, 0xB6, 0xF,  0xF6, 0x34,
          0x53, 0x41, 0x7C, 0x6,  0x0,  0x0,  0x0,  0x1,  0x0,  0x0,  0x0,  0x69, 0x3,  0x0,  0x0,  0x0,  0x1,  0x0,
          0x0,  0x0,  0x12, 0x0,  0x0,  0x0,  0xBB, 0x4B, 0x9C, 0x59, 0xD2, 0xA2, 0x41, 0x41, 0x3A, 0xAA, 0x3F, 0xAE,
          0xEB, 0x34, 0x53, 0x41, 0xA2, 0xC2, 0xE4, 0xC6, 0xD1, 0xA2, 0x41, 0x41, 0x4C, 0xFE, 0x6,  0x2B, 0xEC, 0x34,
          0x53, 0x41, 0xEC, 0x65, 0x5F, 0x6,  0xCE, 0xA2, 0x41, 0x41, 0xDD, 0x33, 0x7F, 0x24, 0xEF, 0x34, 0x53, 0x41,
          0x2D, 0x35, 0x2D, 0x30, 0xCB, 0xA2, 0x41, 0x41, 0x4E, 0xA7, 0x88, 0x9,  0xF1, 0x34, 0x53, 0x41, 0x58, 0x2F,
          0x12, 0x96, 0xCA, 0xA2, 0x41, 0x41, 0x52, 0xD1, 0xBD, 0xDC, 0xF0, 0x34, 0x53, 0x41, 0x1F, 0x12, 0xDB, 0xCF,
          0xC3, 0xA2, 0x41, 0x41, 0xB9, 0x31, 0xA4, 0xE1, 0xF5, 0x34, 0x53, 0x41, 0x21, 0xBB, 0x20, 0x6D, 0xC4, 0xA2,
          0x41, 0x41, 0x67, 0xA7, 0xB6, 0xF,  0xF6, 0x34, 0x53, 0x41, 0x5A, 0x82, 0x4A, 0xD3, 0xCA, 0xA2, 0x41, 0x41,
          0xA7, 0x85, 0x3D, 0x58, 0xF1, 0x34, 0x53, 0x41, 0x22, 0xB8, 0x3A, 0x7D, 0xCB, 0xA2, 0x41, 0x41, 0x7D, 0x89,
          0xA1, 0x8E, 0xF1, 0x34, 0x53, 0x41, 0xD0, 0x77, 0x3F, 0x80, 0xCF, 0xA2, 0x41, 0x41, 0x57, 0x69, 0x83, 0xC4,
          0xEE, 0x34, 0x53, 0x41, 0xA7, 0xF5, 0x8E, 0xF9, 0xD1, 0xA2, 0x41, 0x41, 0x9A, 0xA2, 0x31, 0xEE, 0xEC, 0x34,
          0x53, 0x41, 0x2A, 0xCD, 0xDE, 0x4C, 0xD4, 0xA2, 0x41, 0x41, 0x11, 0x43, 0xE1, 0xF7, 0xEA, 0x34, 0x53, 0x41,
          0xF,  0x89, 0xB1, 0x66, 0xD5, 0xA2, 0x41, 0x41, 0xC8, 0x5D, 0x86, 0xF1, 0xE9, 0x34, 0x53, 0x41, 0x19, 0xF4,
          0x73, 0x63, 0xD7, 0xA2, 0x41, 0x41, 0x7,  0xB1, 0x14, 0x36, 0xE8, 0x34, 0x53, 0x41, 0xDB, 0x1B, 0xB6, 0x7C,
          0xD9, 0xA2, 0x41, 0x41, 0x98, 0xB5, 0xE0, 0x74, 0xE6, 0x34, 0x53, 0x41, 0xC0, 0x3F, 0xC6, 0xAC, 0xD8, 0xA2,
          0x41, 0x41, 0x9D, 0x74, 0xB0, 0x31, 0xE6, 0x34, 0x53, 0x41, 0xF0, 0xB5, 0xB1, 0x53, 0xD5, 0xA2, 0x41, 0x41,
          0x97, 0x47, 0xAD, 0x36, 0xE9, 0x34, 0x53, 0x41, 0xBB, 0x4B, 0x9C, 0x59, 0xD2, 0xA2, 0x41, 0x41, 0x3A, 0xAA,
          0x3F, 0xAE, 0xEB, 0x34, 0x53, 0x41};

        unsigned char sq_valid_blob[] = {0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                         0x24, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x34, 0x40};

        unsigned char sq_invalid_blob[] = {0x23, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                           0x24, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x34, 0x40, 0x23};

        // test of parsing wkb geometries
        try
        {
            // spatialite blob
            mapnik::geometry::geometry<double> geom =
              mapnik::geometry_utils::from_wkb((const char*)sp_valid_blob,
                                               sizeof(sp_valid_blob) / sizeof(sp_valid_blob[0]),
                                               mapnik::wkbSpatiaLite);
            // winding order is not correct per OGC so we'll fix it
            mapnik::geometry::correct(geom);
#if BOOST_VERSION >= 105800
            REQUIRE(mapnik::geometry::is_valid(geom));
            REQUIRE(mapnik::geometry::is_simple(geom));
#endif

            geom = mapnik::geometry_utils::from_wkb((const char*)sp_valid_blob,
                                                    sizeof(sp_valid_blob) / sizeof(sp_valid_blob[0]),
                                                    mapnik::wkbAuto);
            mapnik::geometry::correct(geom);
#if BOOST_VERSION >= 105800
            REQUIRE(mapnik::geometry::is_valid(geom));
            REQUIRE(mapnik::geometry::is_simple(geom));
#endif

            geom = mapnik::geometry_utils::from_wkb((const char*)sp_invalid_blob,
                                                    sizeof(sp_invalid_blob) / sizeof(sp_invalid_blob[0]),
                                                    mapnik::wkbAuto);
            REQUIRE(geom.is<mapnik::geometry::geometry_empty>()); // returns geometry_empty

            // sqlite generic wkb blob

            geom = mapnik::geometry_utils::from_wkb((const char*)sq_valid_blob,
                                                    sizeof(sq_valid_blob) / sizeof(sq_valid_blob[0]),
                                                    mapnik::wkbGeneric);
#if BOOST_VERSION >= 105800
            REQUIRE(mapnik::geometry::is_valid(geom));
            REQUIRE(mapnik::geometry::is_simple(geom));
#endif

            geom = mapnik::geometry_utils::from_wkb((const char*)sq_valid_blob,
                                                    sizeof(sq_valid_blob) / sizeof(sq_valid_blob[0]),
                                                    mapnik::wkbAuto);

#if BOOST_VERSION >= 105800
            REQUIRE(mapnik::geometry::is_valid(geom));
            REQUIRE(mapnik::geometry::is_simple(geom));
#endif

            geom = mapnik::geometry_utils::from_wkb((const char*)sq_invalid_blob,
                                                    sizeof(sq_invalid_blob) / sizeof(sq_invalid_blob[0]),
                                                    mapnik::wkbGeneric);
            REQUIRE(geom.is<mapnik::geometry::geometry_empty>()); // returns geometry_empty

        } catch (std::exception const& ex)
        {
            REQUIRE(false);
            std::clog << "threw: " << ex.what() << "\n";
        }
    }
}