test/src/TestGeoBounds.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/GeoBounds.hpp"
  24 #include "TestUtil.hpp"
  25
  26 #include <stdio.h>
  27
  28 static GeoBounds
  29 MakeGeoBounds(int west, int north, int east, int south)
  30 {
  31   return GeoBounds(GeoPoint(Angle::Degrees(west), Angle::Degrees(north)),
  32                    GeoPoint(Angle::Degrees(east), Angle::Degrees(south)));
  33 }
  34
  35 int main(int argc, char **argv)
  36 {
  37   plan_tests(38);
  38
  39   GeoPoint g(Angle::Degrees(2), Angle::Degrees(4));
  40
  41   GeoBounds b(g);
  42
  43   ok1(equals(b.GetEast(), 2));
  44   ok1(equals(b.GetWest(), 2));
  45   ok1(equals(b.GetNorth(), 4));
  46   ok1(equals(b.GetSouth(), 4));
  47
  48   ok1(b.IsEmpty());
  49
  50   g.latitude = Angle::Degrees(6);
  51   g.longitude = Angle::Degrees(8);
  52   b.Extend(g);
  53
  54   ok1(equals(b.GetEast(), 8));
  55   ok1(equals(b.GetWest(), 2));
  56   ok1(equals(b.GetNorth(), 6));
  57   ok1(equals(b.GetSouth(), 4));
  58
  59   ok1(!b.IsEmpty());
  60
  61   g = b.GetCenter();
  62   ok1(equals(g.latitude, 5));
  63   ok1(equals(g.longitude, 5));
  64
  65   ok1(b.IsInside(Angle::Degrees(7), Angle::Degrees(4.5)));
  66   ok1(!b.IsInside(Angle::Degrees(9), Angle::Degrees(4.5)));
  67   ok1(!b.IsInside(Angle::Degrees(7), Angle::Degrees(1)));
  68   ok1(!b.IsInside(Angle::Degrees(9), Angle::Degrees(1)));
  69
  70   b = b.Scale(fixed(2));
  71
  72   ok1(equals(b.GetEast(), 11));
  73   ok1(equals(b.GetWest(), -1));
  74   ok1(equals(b.GetNorth(), 7));
  75   ok1(equals(b.GetSouth(), 3));
  76
  77   b = b.Scale(fixed(0.5));
  78
  79   ok1(equals(b.GetEast(), 8));
  80   ok1(equals(b.GetWest(), 2));
  81   ok1(equals(b.GetNorth(), 6));
  82   ok1(equals(b.GetSouth(), 4));
  83
  84   GeoBounds c = MakeGeoBounds(2, 6, 8, 4);
  85   ok1(c.Overlaps(b));
  86   ok1(c.IntersectWith(b));
  87   ok1(equals(c.GetWest(), 2));
  88   ok1(equals(c.GetNorth(), 6));
  89   ok1(equals(c.GetEast(), 8));
  90   ok1(equals(c.GetSouth(), 4));
  91
  92   GeoBounds d = MakeGeoBounds(2, 6, 7, 5);
  93   ok1(c.Overlaps(d));
  94   ok1(c.IntersectWith(d));
  95   ok1(equals(c.GetWest(), 2));
  96   ok1(equals(c.GetNorth(), 6));
  97   ok1(equals(c.GetEast(), 7));
  98   ok1(equals(c.GetSouth(), 5));
  99
 100   d = MakeGeoBounds(8, 6, 1, 5);
 101   ok1(!c.Overlaps(d));
 102   ok1(!c.IntersectWith(d));
 103
 104   return exit_status();
 105 }