enum_over_optimisation.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"
 
enum TestEnum : int8_t {
  ZERO,
  ONE,
  TWO
};
 
TEST_CASE("EnumOverOptimisation_BoundsCheck")
{
  TestEnum negative_one = static_cast<TestEnum>(-1);
  CHECK(negative_one < ZERO);
 
  TestEnum three = static_cast<TestEnum>(3);
  CHECK(TWO < three);
}