test/src/TestFlatGeoPoint.cpp

   1 /* Copyright_License {
   2
   3   XCSoar Glide Computer - http://www.xcsoar.org/
   4   Copyright (C) 2000-2013 The XCSoar Project
   5   A detailed list of copyright holders can be found in the file "AUTHORS".
   6
   7   This program is free software; you can redistribute it and/or
   8   modify it under the terms of the GNU General Public License
   9   as published by the Free Software Foundation; either version 2
  10   of the License, or (at your option) any later version.
  11
  12   This program is distributed in the hope that it will be useful,
  13   but WITHOUT ANY WARRANTY; without even the implied warranty of
  14   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15   GNU General Public License for more details.
  16
  17   You should have received a copy of the GNU General Public License
  18   along with this program; if not, write to the Free Software
  19   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  20 }
  21 */
  22
  23 #include "Geo/Flat/FlatGeoPoint.hpp"
  24 #include "TestUtil.hpp"
  25
  26 int main(int argc, char **argv)
  27 {
  28   plan_tests(37);
  29
  30   FlatGeoPoint p1(1, 1);
  31   FlatGeoPoint p2(1, 2);
  32   FlatGeoPoint p3(3, 10);
  33
  34   // test cross()
  35   ok1(p1.CrossProduct(p2) == 1);
  36   ok1(p2.CrossProduct(p1) == -1);
  37   ok1(p1.CrossProduct(p3) == 7);
  38   ok1(p3.CrossProduct(p1) == -7);
  39   ok1(p2.CrossProduct(p3) == 4);
  40   ok1(p3.CrossProduct(p2) == -4);
  41
  42   // test dot()
  43   ok1(p1.DotProduct(p2) == 3);
  44   ok1(p2.DotProduct(p1) == 3);
  45   ok1(p1.DotProduct(p3) == 13);
  46   ok1(p3.DotProduct(p1) == 13);
  47   ok1(p2.DotProduct(p3) == 23);
  48   ok1(p3.DotProduct(p2) == 23);
  49
  50   // test ==
  51   ok1(p1 == FlatGeoPoint(1, 1));
  52   ok1(p2 == FlatGeoPoint(1, 2));
  53   ok1(p3 == FlatGeoPoint(3, 10));
  54
  55   // test <
  56   ok1(p2.Sort(p1));
  57   ok1(p3.Sort(p1));
  58   ok1(p3.Sort(p2));
  59
  60   // test * (and ==)
  61   ok1(p1 * fixed(2) == FlatGeoPoint(2, 2));
  62   ok1(p2 * fixed(2) == FlatGeoPoint(2, 4));
  63   ok1(p3 * fixed(2) == FlatGeoPoint(6, 20));
  64
  65   // test +
  66   p2 = p2 + p1;
  67   ok1(p2.longitude == 2);
  68   ok1(p2.latitude == 3);
  69
  70   // test -
  71   p2 = p2 - p1;
  72   ok1(p2.longitude == 1);
  73   ok1(p2.latitude == 2);
  74
  75   // test distance_sq_to()
  76   ok1(p1.DistanceSquared(p2) == 1);
  77   ok1(p2.DistanceSquared(p1) == 1);
  78   ok1(p1.DistanceSquared(p3) == 85);
  79   ok1(p3.DistanceSquared(p1) == 85);
  80   ok1(p2.DistanceSquared(p3) == 68);
  81   ok1(p3.DistanceSquared(p2) == 68);
  82
  83   // test distance_to()
  84   ok1(p1.Distance(p2) == 1);
  85   ok1(p2.Distance(p1) == 1);
  86   ok1(p1.Distance(p3) == 9);
  87   ok1(p3.Distance(p1) == 9);
  88   ok1(p2.Distance(p3) == 8);
  89   ok1(p3.Distance(p2) == 8);
  90
  91   return exit_status();
  92 }