testdatatools.cpp

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// © Copyright 2010 - 2016 BlackTopp Studios Inc.
/* This file is part of The Mezzanine Engine.

    The Mezzanine Engine 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
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    The Mezzanine Engine 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 The Mezzanine Engine.  If not, see <http://www.gnu.org/licenses/>.
*/
/* The original authors have included a copy of the license specified above in the
   'Docs' folder. See 'gpl.txt'
*/
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   However there are some practical restrictions, so if your project involves
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   Joseph Toppi - toppij@gmail.com
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*/
#ifndef _testdatatools_cpp
#define _testdatatools_cpp

/// @file
/// @brief The implementation of stuff that must be run in the context of a TestData

#include "testdata.h"

#include <vector>
#include <stdexcept>
#include <sstream>

#ifdef _MEZZ_THREAD_WIN32_
    #include <windows.h>
#else
    #ifdef _MEZZ_THREAD_APPLE_
        #include <sys/sysctl.h>
    #endif
    #include <sys/time.h>
    #include <unistd.h>
#endif

using namespace Mezzanine;
using namespace std;

namespace Mezzanine
{
    namespace Testing
    {
        #ifdef _MEZZ_THREAD_WIN32_
            namespace
            {
                /// @internal
                class Timer
                {
                    public:
                        LARGE_INTEGER frequency;

                        Timer()
                            { QueryPerformanceFrequency(&frequency); }

                        MaxInt GetTimeStamp()
                        {
                            LARGE_INTEGER Current;
                            QueryPerformanceCounter(&Current);
                            return MaxInt(Current.QuadPart * (1000000.0 / frequency.QuadPart));
                        }
                };

                static Timer ATimer;
            }

            MaxInt Now()
                { return ATimer.GetTimeStamp(); }

            Whole NowResolution()
                { return Whole(ATimer.frequency.QuadPart/1000); }

        #else
            MaxInt Now()
            {
                timeval Now;
                gettimeofday(&Now, NULL); // Posix says this must return 0, so it seems it can't fail
                return (Now.tv_sec * 1000000) + Now.tv_usec;
            }

            Whole NowResolution()
                { return 1; } // barring kernel bugs

        #endif
    }// Testing
}// Mezzanine

#endif