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/*
* This file is part of the Colobot: Gold Edition source code
* Copyright (C) 2001-2014, Daniel Roux, EPSITEC SA & TerranovaTeam
* http://epsiteс.ch; http://colobot.info; http://github.com/colobot
*
* This program 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, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 this program. If not, see http://gnu.org/licenses
*/
#include "app/system.h"
#include "app/system_linux.h"
#include <gtest/gtest.h>
class CSystemUtilsLinuxWrapper : public CSystemUtilsLinux
{
public:
CSystemUtilsLinuxWrapper() {}
};
class SystemUtilsLinuxUT : public testing::Test
{
protected:
static const long long SEC = 1000000000;
CSystemUtilsLinuxWrapper systemUtils;
};
TEST_F(SystemUtilsLinuxUT, TimeStampDiff)
{
SystemTimeStamp before, after;
before.clockTime.tv_sec = 1;
before.clockTime.tv_nsec = 100;
after.clockTime.tv_sec = 1;
after.clockTime.tv_nsec = 900;
long long tDiff = systemUtils.TimeStampExactDiff(&before, &after);
EXPECT_EQ( 800, tDiff);
tDiff = systemUtils.TimeStampExactDiff(&after, &before);
EXPECT_EQ(-800, tDiff);
// -------
before.clockTime.tv_sec = 2;
before.clockTime.tv_nsec = 200;
after.clockTime.tv_sec = 3;
after.clockTime.tv_nsec = 500;
tDiff = systemUtils.TimeStampExactDiff(&before, &after);
EXPECT_EQ( SEC + 300, tDiff);
tDiff = systemUtils.TimeStampExactDiff(&after, &before);
EXPECT_EQ(-SEC - 300, tDiff);
// -------
before.clockTime.tv_sec = 3;
before.clockTime.tv_nsec = 200;
after.clockTime.tv_sec = 4;
after.clockTime.tv_nsec = 100;
tDiff = systemUtils.TimeStampExactDiff(&before, &after);
EXPECT_EQ( SEC - 100, tDiff);
tDiff = systemUtils.TimeStampExactDiff(&after, &before);
EXPECT_EQ(-SEC + 100, tDiff);
}
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