src/tests/strings_func.cpp

   1 /*
   2  * This file is part of OpenTTD.
   3  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
   4  * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
   5  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
   6  */
   7
   8 /** @file strings_func.cpp Test functionality from strings_func. */
   9
  10 #include "../stdafx.h"
  11
  12 #include "../3rdparty/catch2/catch.hpp"
  13
  14 #include "../strings_func.h"
  15
  16 TEST_CASE("HaveDParamChanged")
  17 {
  18         SetDParam(0, 0);
  19         SetDParamStr(1, "some string");
  20
  21         std::vector<StringParameterData> backup;
  22         CopyOutDParam(backup, 2);
  23
  24         CHECK(HaveDParamChanged(backup) == false);
  25
  26         /* A different parameter 0 (both string and numeric). */
  27         SetDParam(0, 1);
  28         CHECK(HaveDParamChanged(backup) == true);
  29
  30         SetDParamStr(0, "some other string");
  31         CHECK(HaveDParamChanged(backup) == true);
  32
  33         /* Back to the original state, nothing should have changed. */
  34         SetDParam(0, 0);
  35         CHECK(HaveDParamChanged(backup) == false);
  36
  37         /* A different parameter 1 (both string and numeric). */
  38         SetDParamStr(1, "some other string");
  39         CHECK(HaveDParamChanged(backup) == true);
  40
  41         SetDParam(1, 0);
  42         CHECK(HaveDParamChanged(backup) == true);
  43
  44         /* Back to the original state, nothing should have changed. */
  45         SetDParamStr(1, "some string");
  46         CHECK(HaveDParamChanged(backup) == false);
  47
  48         /* Changing paramter 2 should not have any effect, as the backup is only 2 long. */
  49         SetDParam(2, 3);
  50         CHECK(HaveDParamChanged(backup) == false);
  51
  52 }