test/src/TestClimbAvCalc.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 "Computer/ClimbAverageCalculator.hpp"
  24 #include "TestUtil.hpp"
  25
  26 #include <cstdio>
  27
  28 static void
  29 TestBasic()
  30 {
  31   ClimbAverageCalculator c;
  32   c.Reset();
  33
  34   fixed av;
  35
  36   constexpr fixed AVERAGE_TIME = fixed(30);
  37
  38   // Test normal behavior
  39   c.GetAverage(fixed(0), fixed(0), AVERAGE_TIME);
  40   for (unsigned i = 1; i <= 15; i++)
  41     av = c.GetAverage(fixed(i), fixed(i), AVERAGE_TIME);
  42
  43   ok1(equals(av, 1.0));
  44
  45   for (unsigned i = 1; i <= 15; i++)
  46     av = c.GetAverage(fixed(15 + i), fixed(15 + i * 2), AVERAGE_TIME);
  47
  48   ok1(equals(av, 1.5));
  49
  50   for (unsigned i = 1; i <= 15; i++)
  51     av = c.GetAverage(fixed(30 + i), fixed(45 + i * 2), AVERAGE_TIME);
  52
  53   ok1(equals(av, 2.0));
  54 }
  55
  56 static void
  57 TestDuplicateTimestamps()
  58 {
  59   ClimbAverageCalculator c;
  60   fixed av;
  61
  62   constexpr fixed AVERAGE_TIME = fixed(30);
  63
  64   // Test time difference = zero behavior
  65   c.Reset();
  66   c.GetAverage(fixed(0), fixed(0), AVERAGE_TIME);
  67   for (unsigned i = 1; i <= 15; i++)
  68     c.GetAverage(fixed(i), fixed(i), AVERAGE_TIME);
  69
  70   for (unsigned i = 1; i <= 15; i++) {
  71     c.GetAverage(fixed(15 + i), fixed(15 + i * 2), AVERAGE_TIME);
  72     c.GetAverage(fixed(15 + i), fixed(15 + i * 2), AVERAGE_TIME);
  73     av = c.GetAverage(fixed(15 + i), fixed(15 + i * 2), AVERAGE_TIME);
  74   }
  75
  76   ok1(equals(av, 1.5));
  77 }
  78
  79 static void
  80 TestExpiration()
  81 {
  82   ClimbAverageCalculator c;
  83   c.Reset();
  84
  85   constexpr fixed AVERAGE_TIME = fixed(30);
  86
  87
  88   // Test expiration for empty data
  89   ok1(c.Expired(fixed(0), fixed(60)));
  90   ok1(c.Expired(fixed(15), fixed(60)));
  91
  92   // Add values and test non-expiration
  93   bool expired = false;
  94   for (unsigned i = 1; i <= 60; i++) {
  95     c.GetAverage(fixed(i), fixed(i), AVERAGE_TIME);
  96     expired = expired || c.Expired(fixed(i), fixed(60));
  97   }
  98
  99   ok1(!expired);
 100
 101   // Test expiration with 30sec
 102   ok1(!c.Expired(fixed(89), fixed(30)));
 103   ok1(!c.Expired(fixed(90), fixed(30)));
 104   ok1(c.Expired(fixed(91), fixed(30)));
 105
 106   // Test expiration with 60sec
 107   ok1(!c.Expired(fixed(119), fixed(60)));
 108   ok1(!c.Expired(fixed(120), fixed(60)));
 109   ok1(c.Expired(fixed(121), fixed(60)));
 110
 111   // Time warp
 112   ok1(c.Expired(fixed(59), fixed(60)));
 113   ok1(!c.Expired(fixed(60), fixed(60)));
 114   ok1(!c.Expired(fixed(61), fixed(60)));
 115 }
 116
 117 int main(int argc, char **argv)
 118 {
 119   plan_tests(16);
 120
 121   TestBasic();
 122   TestDuplicateTimestamps();
 123   TestExpiration();
 124
 125   return exit_status();
 126 }