91 lines
2.9 KiB
C++
91 lines
2.9 KiB
C++
/* Copyright (c) 2002,2003, 2004 CrystalClear Software, Inc.
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* Use, modification and distribution is subject to the
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* Boost Software License, Version 1.0. (See accompanying
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* file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)
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* Author: Jeff Garland, Bart Garst
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*/
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#include "boost/date_time/posix_time/posix_time.hpp"
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#include "../testfrmwk.hpp"
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#include "boost/date_time/filetime_functions.hpp"
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#include <cmath>
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#if defined(BOOST_HAS_FTIME)
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#include <windows.h>
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#endif
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int main()
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{
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#if defined(BOOST_HAS_FTIME) // skip tests if no FILETIME
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using namespace boost::posix_time;
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// adjustor is used to truncate ptime's fractional seconds for
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// comparison with SYSTEMTIME's milliseconds
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const time_duration::tick_type adjustor = time_duration::ticks_per_second() / 1000;
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for(int i = 0; i < 5; ++i){
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FILETIME ft;
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SYSTEMTIME st;
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GetSystemTime(&st);
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SystemTimeToFileTime(&st,&ft);
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ptime pt = from_ftime<ptime>(ft);
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check_equal("ptime year matches systemtime year",
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st.wYear, pt.date().year());
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check_equal("ptime month matches systemtime month",
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st.wMonth, pt.date().month());
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check_equal("ptime day matches systemtime day",
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st.wDay, pt.date().day());
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check_equal("ptime hour matches systemtime hour",
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st.wHour, pt.time_of_day().hours());
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check_equal("ptime minute matches systemtime minute",
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st.wMinute, pt.time_of_day().minutes());
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check_equal("ptime second matches systemtime second",
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st.wSecond, pt.time_of_day().seconds());
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check_equal("truncated ptime fractional second matches systemtime millisecond",
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st.wMilliseconds, (pt.time_of_day().fractional_seconds() / adjustor));
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// burn up a little time
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for (int j=0; j<100000; j++)
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{
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SYSTEMTIME tmp;
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GetSystemTime(&tmp);
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}
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} // for loop
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// check that time_from_ftime works for pre-1970-Jan-01 dates, too
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// zero FILETIME should represent 1601-Jan-01 00:00:00.000
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FILETIME big_bang_by_ms;
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big_bang_by_ms.dwLowDateTime = big_bang_by_ms.dwHighDateTime = 0;
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ptime pt = from_ftime<ptime>(big_bang_by_ms);
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check_equal("big bang ptime year matches 1601",
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1601, pt.date().year());
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check_equal("big bang ptime month matches Jan",
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1, pt.date().month());
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check_equal("big bang ptime day matches 1",
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1, pt.date().day());
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check_equal("big bang ptime hour matches 0",
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0, pt.time_of_day().hours());
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check_equal("big bang ptime minute matches 0",
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0, pt.time_of_day().minutes());
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check_equal("big bang ptime second matches 0",
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0, pt.time_of_day().seconds());
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check_equal("big bang truncated ptime fractional second matches 0",
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0, (pt.time_of_day().fractional_seconds() / adjustor));
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#else // BOOST_HAS_FTIME
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// we don't want a forced failure here, not a shortcoming
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check("FILETIME not available for this compiler/platform", true);
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#endif // BOOST_HAS_FTIME
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return printTestStats();
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}
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