strings_func.cpp

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/*
 * This file is part of OpenTTD.
 * 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.
 * 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.
 * 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/>.
 */
 
#include "../stdafx.h"
 
#include "../3rdparty/catch2/catch.hpp"
 
#include "../strings_func.h"
 
TEST_CASE("HaveDParamChanged")
{
  SetDParam(0, 0);
  SetDParamStr(1, "some string");
 
  std::vector<StringParameterData> backup;
  CopyOutDParam(backup, 2);
 
  CHECK(HaveDParamChanged(backup) == false);
 
  /* A different parameter 0 (both string and numeric). */
  SetDParam(0, 1);
  CHECK(HaveDParamChanged(backup) == true);
 
  SetDParamStr(0, "some other string");
  CHECK(HaveDParamChanged(backup) == true);
 
  /* Back to the original state, nothing should have changed. */
  SetDParam(0, 0);
  CHECK(HaveDParamChanged(backup) == false);
 
  /* A different parameter 1 (both string and numeric). */
  SetDParamStr(1, "some other string");
  CHECK(HaveDParamChanged(backup) == true);
 
  SetDParam(1, 0);
  CHECK(HaveDParamChanged(backup) == true);
 
  /* Back to the original state, nothing should have changed. */
  SetDParamStr(1, "some string");
  CHECK(HaveDParamChanged(backup) == false);
 
  /* Changing paramter 2 should not have any effect, as the backup is only 2 long. */
  SetDParam(2, 3);
  CHECK(HaveDParamChanged(backup) == false);
 
}