EQ2EMu/EQ2/source/depends/boost_1_72_0/libs/geometry/test/algorithms/buffer/buffer_linestring.cpp

// Boost.Geometry (aka GGL, Generic Geometry Library)
// Unit Test

// Copyright (c) 2012-2019 Barend Gehrels, Amsterdam, the Netherlands.

// This file was modified by Oracle on 2016.
// Modifications copyright (c) 2016, Oracle and/or its affiliates.
// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle

// Use, modification and distribution is subject to the Boost Software License,
// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)

#include "test_buffer.hpp"

#include <boost/geometry/algorithms/buffer.hpp>
#include <boost/geometry/core/coordinate_type.hpp>

#include <boost/geometry/strategies/strategies.hpp>

#include <boost/geometry/geometries/point.hpp>
#include <boost/geometry/geometries/box.hpp>
#include "test_common/test_point.hpp"


static std::string const simplex = "LINESTRING(0 0,4 5)";
static std::string const simplex_vertical = "LINESTRING(0 0,0 1)";
static std::string const simplex_horizontal = "LINESTRING(0 0,1 0)";

static std::string const straight = "LINESTRING(0 0,4 5,8 10)";
static std::string const one_bend = "LINESTRING(0 0,4 5,7 4)";
static std::string const two_bends = "LINESTRING(0 0,4 5,7 4,10 6)";

static std::string const bend_near_start1 = "LINESTRING(0 0,1 0,5 2)";
static std::string const bend_near_start2 = "LINESTRING(0 0,1 0,2 1.5,5 3)";

static std::string const overlapping = "LINESTRING(0 0,4 5,7 4,10 6, 10 2,2 2)";
static std::string const curve = "LINESTRING(2 7,3 5,5 4,7 5,8 7)";
static std::string const tripod = "LINESTRING(5 0,5 5,1 8,5 5,9 8)"; // with spike

static std::string const degenerate0 = "LINESTRING()";
static std::string const degenerate1 = "LINESTRING(5 5)";
static std::string const degenerate2 = "LINESTRING(5 5,5 5)";
static std::string const degenerate3 = "LINESTRING(5 5,5 5,5 5)";
static std::string const degenerate4 = "LINESTRING(5 5,5 5,4 4,5 5,5 5)";

static std::string const for_collinear = "LINESTRING(2 0,0 0,0 4,6 4,6 0,4 0)";
static std::string const for_collinear2 = "LINESTRING(2 1,2 0,0 0,0 4,6 4,6 0,4 0,4 1)";

static std::string const chained2 = "LINESTRING(0 0,1 1,2 2)";
static std::string const chained3 = "LINESTRING(0 0,1 1,2 2,3 3)";
static std::string const chained4 = "LINESTRING(0 0,1 1,2 2,3 3,4 4)";

static std::string const field_sprayer1 = "LINESTRING(76396.40464822574 410095.6795147947,76397.85016212701 410095.211865792,76401.30666443033 410095.0466387949,76405.05892643372 410096.1007777959,76409.45103273794 410098.257640797,76412.96309264141 410101.6522238015)";
static std::string const aimes120 = "LINESTRING(-2.505218 52.189211,-2.505069 52.189019,-2.504941 52.188854)";
static std::string const aimes167 = "LINESTRING(-2.378569 52.312133,-2.37857 52.312127,-2.378544 52.31209)";
static std::string const aimes175 = "LINESTRING(-2.3116 52.354326,-2.311555 52.35417,-2.311489 52.354145,-2.311335 52.354178)";
static std::string const aimes171 = "LINESTRING(-2.393161 52.265087,-2.393002 52.264965,-2.392901 52.264891)";
static std::string const aimes181 = "LINESTRING(-2.320686 52.43505,-2.320678 52.435016,-2.320697 52.434978,-2.3207 52.434977,-2.320741 52.434964,-2.320807 52.434964,-2.320847 52.434986,-2.320903 52.435022)";

static std::string const crossing = "LINESTRING(0 0,10 10,10 0,0 10)";

// Simplified cases from multi_linestring tesets:
static std::string const mikado1 = "LINESTRING(11.406143344709896325639419956133 0.75426621160409546007485914742574,12 1,11.403846153846153299582510953769 0.75)";

static std::string const mysql_report_2015_03_02a = "LINESTRING(0 0,0 5,5 5,5 0,0 0)"; // closed
static std::string const mysql_report_2015_03_02b = "LINESTRING(0 1,0 5,5 5,5 0,1 0)"; // not closed, 1 difference
static std::string const mysql_report_2015_03_02c = "LINESTRING(0 2,0 5,5 5,5 0,2 0)"; // not closed, 2 difference

static std::string const mysql_report_2015_04_01 = "LINESTRING(103 5,107 2,111 4,116 -1,115 0,112 4)";

static std::string const mysql_report_2015_04_10a = "LINESTRING(1.922421e+307 1.520384e+308, 15 42, 89 -93,-89 -22)";
static std::string const mysql_report_2015_04_10b = "LINESTRING(15 42, 89 -93,-89 -22, 1.922421e+307 1.520384e+308)";
static std::string const mysql_report_2015_04_10c = "LINESTRING(15 42, 1.922421e+307 1.520384e+308, 89 -93,-89 -22)";
static std::string const mysql_report_2015_04_10d = "LINESTRING(1.922421e+307 1.520384e+308, 1.923421e+307 1.521384e+308, 15 42, 89 -93,-89 -22)";
static std::string const mysql_report_2015_04_10e = "LINESTRING(15 42, 89 -93,-89 -22, 1.922421e+307 1.520384e+308, 1.923421e+307 1.521384e+308)";
static std::string const mysql_report_2015_04_10f = "LINESTRING(15 42, 1.922421e+307 1.520384e+308, 1.923421e+307 1.521384e+308, 89 -93,-89 -22)";
static std::string const mysql_report_2015_04_10g = "LINESTRING(15 42, 89 -93,-89 -22)";

static std::string const mysql_report_2015_06_11 = "LINESTRING("
    "-155.9300341531310000 4.1672727531600900, -14.0079144546799000 "
    "-12.2485554508160000, 176.9503531590800000 -3.0930641354495000, "
    "32.6863251871831000 -17.9691125862157000, -17.7739746299451000 "
    "41.3177973084700000, -36.0310834162082000 59.9486214620753000, "
    "153.1574937017440000 46.3007892930418000, 172.7795126069240000 "
    "19.5367061763707000, -85.6306040220105000 35.0128339347489000, "
    "-61.1404987988716000 0.3278080608359490, -127.5034592987520000 "
    "18.6202802642343000, 114.5567005754250000 -83.7227732658958000, "
    "-66.1134822881378000 -75.2141906159065000, -93.7363999307791000 "
    "49.3124773443269000, -8.7182702071584100 56.2071174970861000, "
    "7.7959787229988800 60.8845281744769000, 13.0420633931840000 "
    "58.8150539662759000, -89.9754374613871000 26.4546501154335000, "
    "-44.5746548960799000 -88.8122262334508000, -178.4807616092640000 "
    "10.7770331393820000, 161.8238702890570000 -42.3894892597522000, "
    "136.2382890452810000 28.6261570633511000, 49.6788041059295000 "
    "61.7724885566963000, 52.7876201424690000 -61.9246644395984000, "
    "-162.7456296900030000 11.7183989853218000, 115.6208648232840000 "
    "51.0941612539320000, -48.7772321835054000 50.4339743128205000)";

static std::string const mysql_report_2015_09_08a = "LINESTRING(1 1, 2 1, 1.765258e+308 4, -1 1, 10 4)";
static std::string const mysql_report_2015_09_08b = "LINESTRING(2199023255556 16777218, 32770 8194, 1.417733e+308 7.823620e+307, -8 -9, 2147483649 20)";
static std::string const mysql_report_2015_09_08c = "LINESTRING(-5 -8, 2 8, 2.160023e+307 1.937208e+307, -4 -3, -5 -4, 8796093022208 281474976710653)";

static std::string const mysql_23023665 = "LINESTRING(0 0, 0 5, 5 5, 5 0, 0 0)";

static std::string const mysql_25662426 = "LINESTRING(170 4756, 168 4756, 168 4759, 168 4764, 171 4764, 171 4700)";
static std::string const mysql_25662426a = "LINESTRING(170 4756, 168 4756, 168 4759, 168 4764, 171 4764, 171 4750)";

static std::string const issue_596 = "LINESTRING(292979.660 6688731.370, 292979.600 6688733.420, 292979.540 6688735.440, 292979.540 6688735.500)";

template <bool Clockwise, typename P>
void test_all()
{
    typedef bg::model::linestring<P> linestring;
    typedef bg::model::polygon<P, Clockwise> polygon;

    bg::strategy::buffer::join_miter join_miter;
    bg::strategy::buffer::join_round join_round(100);
    bg::strategy::buffer::join_round_by_divide join_round_by_divide(4);
    bg::strategy::buffer::end_flat end_flat;
    bg::strategy::buffer::end_round end_round(100);

    // For testing MySQL issues, which uses 32 by default
    bg::strategy::buffer::end_round end_round32(32);
    bg::strategy::buffer::join_round join_round32(32);

    const ut_settings settings;

    // Simplex (join-type is not relevant)
    test_one<linestring, polygon>("simplex", simplex, join_miter, end_flat, 19.209, 1.5);
    test_one<linestring, polygon>("simplex", simplex, join_miter, end_round, 26.2733, 1.5);

    // Should be about PI + 2
    test_one<linestring, polygon>("simplex_vertical", simplex_vertical, join_round, end_round, 5.14, 1);
    test_one<linestring, polygon>("simplex_horizontal", simplex_horizontal, join_round, end_round, 5.14, 1);

    // Should be a bit less than PI + 2
    test_one<linestring, polygon>("simplex_vertical32", simplex_vertical, join_round32, end_round32, 5.12145, 1);
    test_one<linestring, polygon>("simplex_horizontal32", simplex_horizontal, join_round32, end_round32, 5.12145, 1);

    test_one<linestring, polygon>("simplex_asym_neg", simplex, join_miter, end_flat, 3.202, +1.5, settings, -1.0);
    test_one<linestring, polygon>("simplex_asym_pos", simplex, join_miter, end_flat, 3.202, -1.0, settings, +1.5);
    // Do not work yet:
    //    test_one<linestring, polygon>("simplex_asym_neg", simplex, join_miter, end_round, 3.202, +1.5, settings, -1.0);
    //    test_one<linestring, polygon>("simplex_asym_pos", simplex, join_miter, end_round, 3.202, -1.0, settings, +1.5);

    // Generates (initially) a reversed polygon, with a negative area, which is reversed afterwards in assign_parents
    test_one<linestring, polygon>("simplex_asym_neg_rev", simplex, join_miter, end_flat, 3.202, +1.0, settings, -1.5);
    test_one<linestring, polygon>("simplex_asym_pos_rev", simplex, join_miter, end_flat, 3.202, -1.5, settings, +1.0);

    test_one<linestring, polygon>("straight", straight, join_round, end_flat, 38.4187, 1.5);
    test_one<linestring, polygon>("straight", straight, join_miter, end_flat, 38.4187, 1.5);

    // One bend/two bends (tests join-type)
    test_one<linestring, polygon>("one_bend", one_bend, join_round, end_flat, 28.488, 1.5);
    test_one<linestring, polygon>("one_bend", one_bend, join_miter, end_flat, 28.696, 1.5);
    test_one<linestring, polygon>("one_bend", one_bend, join_round_by_divide, end_flat, 28.488, 1.5);

    test_one<linestring, polygon>("one_bend", one_bend, join_round, end_round, 35.5603, 1.5);
    test_one<linestring, polygon>("one_bend", one_bend, join_miter, end_round, 35.7601, 1.5);

    test_one<linestring, polygon>("two_bends", two_bends, join_round, end_round, 46.2995, 1.5);
    test_one<linestring, polygon>("two_bends", two_bends, join_round, end_flat, 39.235, 1.5);
    test_one<linestring, polygon>("two_bends", two_bends, join_round_by_divide, end_flat, 39.235, 1.5);
    test_one<linestring, polygon>("two_bends", two_bends, join_miter, end_flat, 39.513, 1.5);
    test_one<linestring, polygon>("two_bends_left", two_bends, join_round, end_flat, 20.028, 1.5, settings, 0.0);
    test_one<linestring, polygon>("two_bends_left", two_bends, join_miter, end_flat, 20.225, 1.5, settings, 0.0);
    test_one<linestring, polygon>("two_bends_right", two_bends, join_round, end_flat, 19.211, 0.0, settings, 1.5);
    test_one<linestring, polygon>("two_bends_right", two_bends, join_miter, end_flat, 19.288, 0.0, settings, 1.5);

    test_one<linestring, polygon>("bend_near_start1", bend_near_start1, join_round, end_flat, 109.2625, 9.0);
    test_one<linestring, polygon>("bend_near_start2", bend_near_start2, join_round, end_flat, 142.8709, 9.0);

    // Next (and all similar cases) which a offsetted-one-sided buffer has to be fixed. TODO
    //test_one<linestring, polygon>("two_bends_neg", two_bends, join_miter, end_flat, 99, +1.5, settings, -1.0);
    //test_one<linestring, polygon>("two_bends_pos", two_bends, join_miter, end_flat, 99, -1.5, settings, +1.0);
    //test_one<linestring,  polygon>("two_bends_neg", two_bends, join_round, end_flat,99, +1.5, settings, -1.0);
    //test_one<linestring, polygon>("two_bends_pos", two_bends, join_round, end_flat, 99, -1.5, settings, +1.0);

    test_one<linestring, polygon>("overlapping150", overlapping, join_round, end_flat, 65.6786, 1.5);
    test_one<linestring, polygon>("overlapping150", overlapping, join_miter, end_flat, 68.140, 1.5);

    // Different cases with intersection points on flat and (left/right from line itself)
    test_one<linestring, polygon>("overlapping_asym_150_010", overlapping, join_round, end_flat, 48.308, 1.5, settings, 0.25);
    test_one<linestring, polygon>("overlapping_asym_150_010", overlapping, join_miter, end_flat, 50.770, 1.5, settings, 0.25);
    test_one<linestring, polygon>("overlapping_asym_150_075", overlapping, join_round, end_flat, 58.506, 1.5, settings, 0.75);
    test_one<linestring, polygon>("overlapping_asym_150_075", overlapping, join_miter, end_flat, 60.985, 1.5, settings, 0.75);
    test_one<linestring, polygon>("overlapping_asym_150_100", overlapping, join_round, end_flat, 62.514, 1.5, settings, 1.0);
    test_one<linestring, polygon>("overlapping_asym_150_100", overlapping, join_miter, end_flat, 64.984, 1.5, settings, 1.0);

    // Having flat end
    test_one<linestring, polygon>("for_collinear", for_collinear, join_round, end_flat, 68.561, 2.0);
    test_one<linestring, polygon>("for_collinear", for_collinear, join_miter, end_flat, 72, 2.0);
#if defined(BOOST_GEOMETRY_TEST_FAILURES)
    test_one<linestring, polygon>("for_collinear2", for_collinear2, join_round, end_flat, 74.387, 2.0);
    test_one<linestring, polygon>("for_collinear2", for_collinear2, join_miter, end_flat, 78.0, 2.0);
#endif

    test_one<linestring, polygon>("curve", curve, join_round, end_flat, 58.1944, 5.0, settings, 3.0);
    test_one<linestring, polygon>("curve", curve, join_miter, end_flat, 58.7371, 5.0, settings, 3.0);

    test_one<linestring, polygon>("tripod", tripod, join_miter, end_flat, 74.25, 3.0);
    test_one<linestring, polygon>("tripod", tripod, join_miter, end_round, 116.6336, 3.0);

    test_one<linestring, polygon>("chained2", chained2, join_round, end_flat, 11.3137, 2.5, settings, 1.5);
    test_one<linestring, polygon>("chained3", chained3, join_round, end_flat, 16.9706, 2.5, settings, 1.5);
    test_one<linestring, polygon>("chained4", chained4, join_round, end_flat, 22.6274, 2.5, settings, 1.5);

    test_one<linestring, polygon>("field_sprayer1", field_sprayer1, join_round, end_flat, 324.3550, 16.5, settings, 6.5);
    test_one<linestring, polygon>("field_sprayer1", field_sprayer1, join_round, end_round, 718.761877, 16.5, settings, 6.5);
    test_one<linestring, polygon>("field_sprayer1", field_sprayer1, join_miter, end_round, 718.939628, 16.5, settings, 6.5);

    test_one<linestring, polygon>("degenerate0", degenerate0, join_round, end_round, 0.0, 3.0);
    test_one<linestring, polygon>("degenerate1", degenerate1, join_round, end_round, 28.25, 3.0);
    test_one<linestring, polygon>("degenerate2", degenerate2, join_round, end_round, 28.2503, 3.0);
    test_one<linestring, polygon>("degenerate3", degenerate3, join_round, end_round, 28.2503, 3.0);
    test_one<linestring, polygon>("degenerate4", degenerate4, join_round, end_round, 36.7410, 3.0);
    test_one<linestring, polygon>("degenerate4", degenerate4, join_round, end_flat, 8.4853, 3.0);

    {
        // These tests do test behaviour in end_round strategy:
        // -> it should generate closed pieces, also for an odd number of points.
        // It also tests behaviour in join_round strategy:
        // -> it should generate e.g. 4 points for a full circle,
        //    so a quarter circle does not get points in between
        using bg::strategy::buffer::join_round;
        using bg::strategy::buffer::end_round;

        double const d10 = 1.0;

        test_one<linestring, polygon>("mysql_report_2015_03_02a_3", mysql_report_2015_03_02a, join_round(3), end_round(3), 38.000, d10);
        test_one<linestring, polygon>("mysql_report_2015_03_02a_4", mysql_report_2015_03_02a, join_round(4), end_round(4), 38.000, d10);
        test_one<linestring, polygon>("mysql_report_2015_03_02a_5", mysql_report_2015_03_02a, join_round(5), end_round(5), 38.790, d10);
        test_one<linestring, polygon>("mysql_report_2015_03_02a_6", mysql_report_2015_03_02a, join_round(6), end_round(6), 38.817, d10);
        test_one<linestring, polygon>("mysql_report_2015_03_02a_7", mysql_report_2015_03_02a, join_round(7), end_round(7), 38.851, d10);
        test_one<linestring, polygon>("mysql_report_2015_03_02b_3", mysql_report_2015_03_02b, join_round(3), end_round(3), 36.500, d10);
        test_one<linestring, polygon>("mysql_report_2015_03_02b_4", mysql_report_2015_03_02b, join_round(4), end_round(4), 36.500, d10);
        test_one<linestring, polygon>("mysql_report_2015_03_02b_5", mysql_report_2015_03_02b, join_round(5), end_round(5), 37.346, d10);
        test_one<linestring, polygon>("mysql_report_2015_03_02b_6", mysql_report_2015_03_02b, join_round(6), end_round(6), 37.402, d10);
        test_one<linestring, polygon>("mysql_report_2015_03_02b_7", mysql_report_2015_03_02b, join_round(7), end_round(7), 37.506, d10);
        test_one<linestring, polygon>("mysql_report_2015_03_02c_3", mysql_report_2015_03_02c, join_round(2), end_round(3), 32.500, d10);
        test_one<linestring, polygon>("mysql_report_2015_03_02c_4", mysql_report_2015_03_02c, join_round(4), end_round(4), 32.500, d10);
        test_one<linestring, polygon>("mysql_report_2015_03_02c_5", mysql_report_2015_03_02c, join_round(5), end_round(5), 33.611, d10);
        test_one<linestring, polygon>("mysql_report_2015_03_02c_6", mysql_report_2015_03_02c, join_round(6), end_round(6), 33.719, d10);
        test_one<linestring, polygon>("mysql_report_2015_03_02c_7", mysql_report_2015_03_02c, join_round(7), end_round(7), 33.901, d10);

        // Testing the asymmetric end caps with odd number of points
        double const d15 = 1.5;
        test_one<linestring, polygon>("mysql_report_2015_03_02c_asym1", mysql_report_2015_03_02c, join_round(7), end_round(7), 39.714, d10, settings, d15);
        test_one<linestring, polygon>("mysql_report_2015_03_02c_asym2", mysql_report_2015_03_02c, join_round(7), end_round(7), 46.116, d15, settings, d10);

        double const d100 = 10;
        test_one<linestring, polygon>("mysql_report_2015_04_01", mysql_report_2015_04_01, join_round(32), end_round(32), 632.234, d100);
    }

    {
        // Check on validity, with high precision because areas are all very small
        ut_settings settings(1.0e-10, true);

        test_one<linestring, polygon>("aimes120", aimes120, join_miter, end_flat, 1.62669948622351512e-08, 0.000018, settings);
        test_one<linestring, polygon>("aimes120", aimes120, join_round, end_round, 1.72842078427493107e-08, 0.000018, settings);

        test_one<linestring, polygon>("aimes167", aimes167, join_miter, end_flat, 1.88900628472765675e-09, 0.000018, settings);
        test_one<linestring, polygon>("aimes167", aimes167, join_round, end_round, 2.85734813587623648e-09, 0.000018, settings);

        test_one<linestring, polygon>("aimes175", aimes175, join_miter, end_flat, 2.81111809385947709e-08, 0.000036, settings);
        test_one<linestring, polygon>("aimes175", aimes175, join_round, end_round, 3.21215765097804251e-08, 0.000036, settings);

        test_one<linestring, polygon>("aimes171", aimes171, join_miter, end_flat, 1.1721873249825876e-08, 0.000018, settings);
        test_one<linestring, polygon>("aimes171", aimes171, join_round, end_round, 1.2739093335767393e-08, 0.000018, settings);
        test_one<linestring, polygon>("aimes171", aimes171, join_round_by_divide, end_round, 1.2739093335767393e-08, 0.000018, settings);

        test_one<linestring, polygon>("aimes181", aimes181, join_miter, end_flat, 2.1729405830228643e-08, 0.000036, settings);
        test_one<linestring, polygon>("aimes181", aimes181, join_round, end_round, 2.57415564419716247e-08, 0.000036, settings);
        test_one<linestring, polygon>("aimes181", aimes181, join_round_by_divide, end_round, 2.57415564419716247e-08, 0.000036, settings);
    }

    {
        // Expectations can also be 1702.56530051454502 2140.78725663358819
        // so we increase tolerance
        ut_settings settings(0.5);
        test_one<linestring, polygon>("crossing", crossing, join_round32, end_flat, 1702.1, 20.0, settings);
        test_one<linestring, polygon>("crossing", crossing, join_round32, end_round32, 2140.4, 20.0, settings);
    }

    test_one<linestring, polygon>("mikado1", mikado1, join_round32, end_round32, 5441135039.0979, 41751.0);

    {
        // This case gave a spike (invalid result) up to 1.70
        // Fixed by general form for line/line intersection in miter calculation
        using bg::strategy::buffer::join_round;
        using bg::strategy::buffer::end_round;
        test_one<linestring, polygon>("issue_596", issue_596, join_round(12), end_round(12), 0.12462779, 0.015);
        test_one<linestring, polygon>("issue_596", issue_596, join_miter, end_round(12), 0.12462807, 0.015);
    }

    test_one<linestring, polygon>("mysql_report_2015_06_11",
            mysql_report_2015_06_11, join_round32, end_round32,
            27862.733459829971,
            5.9518403867035365);

    test_one<linestring, polygon>("mysql_report_2015_09_08a", mysql_report_2015_09_08a, join_round32, end_round32, 0.0, 1.0);
    test_one<linestring, polygon>("mysql_report_2015_09_08b", mysql_report_2015_09_08b, join_round32, end_round32, 0.0, 1099511627778.0);
    test_one<linestring, polygon>("mysql_report_2015_09_08c", mysql_report_2015_09_08c, join_round32, end_round32, 0.0, 0xbe);

    test_one<linestring, polygon>("mysql_23023665_1", mysql_23023665, join_round32, end_flat, 459.1051, 10);
    test_one<linestring, polygon>("mysql_23023665_2", mysql_23023665, join_round32, end_flat, 6877.7097, 50);

    test_one<linestring, polygon>("mysql_25662426", mysql_25662426, join_round32, end_round32, 1, 0, 1660.6673, 10);

    // Test behaviour with different buffer sizes, generating internally turns on different locations
    test_one<linestring, polygon>("mysql_25662426a_05", mysql_25662426a, join_round32, end_round32, 27.6156, 0.5);
    test_one<linestring, polygon>("mysql_25662426a_1", mysql_25662426a, join_round32, end_round32, 54.9018, 1.0);
    test_one<linestring, polygon>("mysql_25662426a_2", mysql_25662426a, join_round32, end_round32, 103.6072, 2.0);
    test_one<linestring, polygon>("mysql_25662426a_3", mysql_25662426a, join_round32, end_round32, 152.1163, 3.0);
    test_one<linestring, polygon>("mysql_25662426a_4", mysql_25662426a, join_round32, end_round32, 206.4831, 4.0);
    test_one<linestring, polygon>("mysql_25662426a_5", mysql_25662426a, join_round32, end_round32, 266.8505, 5.0);
    test_one<linestring, polygon>("mysql_25662426a_10", mysql_25662426a, join_round32, end_round32, 660.7355, 10.0);

    test_one<linestring, polygon>("mysql_25662426a_05", mysql_25662426a, join_round32, end_flat, 26.8352, 0.5);
    test_one<linestring, polygon>("mysql_25662426a_1", mysql_25662426a, join_round32, end_flat, 53.3411, 1.0);
    test_one<linestring, polygon>("mysql_25662426a_2", mysql_25662426a, join_round32, end_flat, 97.3644, 2.0);
    test_one<linestring, polygon>("mysql_25662426a_3", mysql_25662426a, join_round32, end_flat, 138.0697, 3.0);
    test_one<linestring, polygon>("mysql_25662426a_4", mysql_25662426a, join_round32, end_flat, 181.5115, 4.0);
    test_one<linestring, polygon>("mysql_25662426a_5", mysql_25662426a, join_round32, end_flat, 227.8325, 5.0);
    test_one<linestring, polygon>("mysql_25662426a_10", mysql_25662426a, join_round32, end_flat, 534.1084, 10.0);

    // Asymmetric buffers
    // Mostly left
    test_one<linestring, polygon>("mysql_25662426a_mostly_left_05", mysql_25662426a, join_round32, end_round32, 15.6638, 0.5, settings, 0.05);
    test_one<linestring, polygon>("mysql_25662426a_mostly_left_1", mysql_25662426a, join_round32, end_round32, 32.9553, 1.0, settings, 0.1);
    test_one<linestring, polygon>("mysql_25662426a_mostly_left_2", mysql_25662426a, join_round32, end_round32, 72.1159, 2.0, settings, 0.2);
    test_one<linestring, polygon>("mysql_25662426a_mostly_left_3", mysql_25662426a, join_round32, end_round32, 116.3802, 3.0, settings, 0.3);
    test_one<linestring, polygon>("mysql_25662426a_mostly_left_4", mysql_25662426a, join_round32, end_round32, 165.9298, 4.0, settings, 0.4);
    test_one<linestring, polygon>("mysql_25662426a_mostly_left_5", mysql_25662426a, join_round32, end_round32, 220.8054, 5.0, settings, 0.5);
    test_one<linestring, polygon>("mysql_25662426a_mostly_left_10", mysql_25662426a, join_round32, end_round32, 577.3742, 10.0, settings, 1.0);

    // Mostly right
    test_one<linestring, polygon>("mysql_25662426a_mostly_right_05", mysql_25662426a, join_round32, end_round32, 14.3419, 0.05, settings, 0.5);
    test_one<linestring, polygon>("mysql_25662426a_mostly_right_1", mysql_25662426a, join_round32, end_round32, 27.1955, 0.1, settings, 1.0);
    test_one<linestring, polygon>("mysql_25662426a_mostly_right_2", mysql_25662426a, join_round32, end_round32, 43.1821, 0.2, settings, 2.0);
    test_one<linestring, polygon>("mysql_25662426a_mostly_right_3", mysql_25662426a, join_round32, end_round32, 54.4337, 0.3, settings, 3.0);
    test_one<linestring, polygon>("mysql_25662426a_mostly_right_4", mysql_25662426a, join_round32, end_round32, 75.6376, 0.4, settings, 4.0);
    test_one<linestring, polygon>("mysql_25662426a_mostly_right_5", mysql_25662426a, join_round32, end_round32, 102.6952, 0.5, settings, 5.0);
    test_one<linestring, polygon>("mysql_25662426a_mostly_right_10", mysql_25662426a, join_round32, end_round32, 260.1850, 1.0, settings, 10.0);

    // Left
    test_one<linestring, polygon>("mysql_25662426a_left_05", mysql_25662426a, join_round32, end_round32, 14.2803, 0.5, settings, 0.0);
    test_one<linestring, polygon>("mysql_25662426a_left_1", mysql_25662426a, join_round32, end_round32, 30.1214, 1.0, settings, 0.0);
    test_one<linestring, polygon>("mysql_25662426a_left_2", mysql_25662426a, join_round32, end_round32, 66.4858, 2.0, ut_settings(0.01, false), 0.0); // It has a self touching point
    test_one<linestring, polygon>("mysql_25662426a_left_3", mysql_25662426a, join_round32, end_round32, 108.3305, 3.0, settings, 0.0);
    test_one<linestring, polygon>("mysql_25662426a_left_4", mysql_25662426a, join_round32, end_round32, 155.5128, 4.0, settings, 0.0);
    test_one<linestring, polygon>("mysql_25662426a_left_5", mysql_25662426a, join_round32, end_round32, 208.1289, 5.0, settings, 0.0);
    test_one<linestring, polygon>("mysql_25662426a_left_10", mysql_25662426a, join_round32, end_round32, 554.8818, 10.0, settings, 0.0);

    // Right
    test_one<linestring, polygon>("mysql_25662426a_right_05", mysql_25662426a, join_round32, end_round32, 12.9451, 0.0, settings, 0.5);
    test_one<linestring, polygon>("mysql_25662426a_right_1", mysql_25662426a, join_round32, end_round32, 24.3902, 0.0, settings, 1.0);
    test_one<linestring, polygon>("mysql_25662426a_right_2", mysql_25662426a, join_round32, end_round32, 37.5607, 0.0, settings, 2.0);
    test_one<linestring, polygon>("mysql_25662426a_right_3", mysql_25662426a, join_round32, end_round32, 46.2741, 0.0, settings, 3.0);
    test_one<linestring, polygon>("mysql_25662426a_right_4", mysql_25662426a, join_round32, end_round32, 70.2429, 0.0, settings, 4.0);
    test_one<linestring, polygon>("mysql_25662426a_right_5", mysql_25662426a, join_round32, end_round32, 95.7545, 0.0, settings, 5.0);
    test_one<linestring, polygon>("mysql_25662426a_right_10", mysql_25662426a, join_round32, end_round32, 244.5337, 0.0, settings, 10.0);

    // Flat end for one-sided buffer
    test_one<linestring, polygon>("mysql_25662426a_left_05", mysql_25662426a, join_round32, end_flat, 14.0853, 0.5, settings, 0.0);
    test_one<linestring, polygon>("mysql_25662426a_right_05", mysql_25662426a, join_round32, end_flat, 12.7500, 0.0, settings, 0.5);
    test_one<linestring, polygon>("mysql_25662426a_left_25", mysql_25662426a, join_round32, end_flat, 82.1318, 2.5, settings, 0.0);
    test_one<linestring, polygon>("mysql_25662426a_right_25", mysql_25662426a, join_round32, end_flat, 39.0000, 0.0, settings, 2.5);
}

template <bool Clockwise, typename P>
void test_invalid()
{
    typedef bg::model::linestring<P> linestring;
    typedef bg::model::polygon<P, Clockwise> polygon;

    bg::strategy::buffer::end_round end_round32(32);
    bg::strategy::buffer::join_round join_round32(32);

    // Linestring contains extreme differences causing numeric errors. Empty geometry is returned
    test_one<linestring, polygon>("mysql_report_2015_04_10a", mysql_report_2015_04_10a, join_round32, end_round32, 0.0, 100.0);
    test_one<linestring, polygon>("mysql_report_2015_04_10b", mysql_report_2015_04_10b, join_round32, end_round32, 0.0, 100.0);
    test_one<linestring, polygon>("mysql_report_2015_04_10c", mysql_report_2015_04_10c, join_round32, end_round32, 0.0, 100.0);
    test_one<linestring, polygon>("mysql_report_2015_04_10d", mysql_report_2015_04_10d, join_round32, end_round32, 0.0, 100.0);
    test_one<linestring, polygon>("mysql_report_2015_04_10e", mysql_report_2015_04_10e, join_round32, end_round32, 0.0, 100.0);
    test_one<linestring, polygon>("mysql_report_2015_04_10f", mysql_report_2015_04_10f, join_round32, end_round32, 0.0, 100.0);

    // The equivalent, valid, case
    test_one<linestring, polygon>("mysql_report_2015_04_10g", mysql_report_2015_04_10g, join_round32, end_round32, 86527.871, 100.0);
}

#ifdef HAVE_TTMATH
#include <ttmath_stub.hpp>
#endif


int test_main(int, char* [])
{
    BoostGeometryWriteTestConfiguration();

    test_all<true, bg::model::point<default_test_type, 2, bg::cs::cartesian> >();

#if ! defined(BOOST_GEOMETRY_TEST_ONLY_ONE_ORDER)
    test_all<false, bg::model::point<default_test_type, 2, bg::cs::cartesian> >();
#endif

    test_invalid<true, bg::model::point<default_test_type, 2, bg::cs::cartesian> >();

#if ! defined(BOOST_GEOMETRY_TEST_ONLY_ONE_TYPE)
    test_invalid<true, bg::model::point<long double, 2, bg::cs::cartesian> >();
#endif
    return 0;
}