test/src/TestProjection.cpp

   1 /* Copyright_License {
   2
   3   XCSoar Glide Computer - http://www.xcsoar.org/
   4   Copyright (C) 2000-2010 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 "Projection.hpp"
  24 #include "TestUtil.hpp"
  25
  26 static void
  27 TestGeoScreenCouple(const Projection prj, const GeoPoint geo,
  28                     long x, long y)
  29 {
  30   RasterPoint tmp_pt = prj.GeoToScreen(geo);
  31   ok1(tmp_pt.x == x);
  32   ok1(tmp_pt.y == y);
  33
  34   GeoPoint tmp_geo = prj.ScreenToGeo(x, y);
  35   ok1(equals(tmp_geo.Latitude, geo.Latitude));
  36   ok1(equals(tmp_geo.Longitude, geo.Longitude));
  37 }
  38
  39 static void
  40 test_simple()
  41 {
  42   Projection prj;
  43
  44   TestGeoScreenCouple(prj, GeoPoint(Angle::degrees(fixed_zero),
  45                                     Angle::degrees(fixed_zero)), 0, 0);
  46 }
  47
  48 int
  49 main(int argc, char **argv)
  50 {
  51   plan_tests(4);
  52
  53   test_simple();
  54
  55   return exit_status();
  56 }