1 /* Copyright (c) 2002,2003, 2004 CrystalClear Software, Inc.
2 * Use, modification and distribution is subject to the
3 * Boost Software License, Version 1.0. (See accompanying
4 * file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)
5 * Author: Jeff Garland, Bart Garst
6 */
7
8 #include "boost/date_time/posix_time/posix_time.hpp"
9 #include "../testfrmwk.hpp"
10 #include "boost/date_time/filetime_functions.hpp"
11 #include <cmath>
12
13 #if defined(BOOST_HAS_FTIME)
14 #include <windows.h>
15 #endif
16
main()17 int main()
18 {
19 #if defined(BOOST_HAS_FTIME) // skip tests if no FILETIME
20
21 using namespace boost::posix_time;
22
23 // adjustor is used to truncate ptime's fractional seconds for
24 // comparison with SYSTEMTIME's milliseconds
25 const time_duration::tick_type adjustor = time_duration::ticks_per_second() / 1000;
26
27 for(int i = 0; i < 5; ++i){
28
29 FILETIME ft;
30 SYSTEMTIME st;
31 GetSystemTime(&st);
32 SystemTimeToFileTime(&st,&ft);
33
34 ptime pt = from_ftime<ptime>(ft);
35
36 check_equal("ptime year matches systemtime year",
37 st.wYear, pt.date().year());
38 check_equal("ptime month matches systemtime month",
39 st.wMonth, pt.date().month());
40 check_equal("ptime day matches systemtime day",
41 st.wDay, pt.date().day());
42 check_equal("ptime hour matches systemtime hour",
43 st.wHour, pt.time_of_day().hours());
44 check_equal("ptime minute matches systemtime minute",
45 st.wMinute, pt.time_of_day().minutes());
46 check_equal("ptime second matches systemtime second",
47 st.wSecond, pt.time_of_day().seconds());
48 check_equal("truncated ptime fractional second matches systemtime millisecond",
49 st.wMilliseconds, (pt.time_of_day().fractional_seconds() / adjustor));
50
51 // burn up a little time
52 for (int j=0; j<100000; j++)
53 {
54 SYSTEMTIME tmp;
55 GetSystemTime(&tmp);
56 }
57
58 } // for loop
59
60 // check that time_from_ftime works for pre-1970-Jan-01 dates, too
61 // zero FILETIME should represent 1601-Jan-01 00:00:00.000
62 FILETIME big_bang_by_ms;
63 big_bang_by_ms.dwLowDateTime = big_bang_by_ms.dwHighDateTime = 0;
64 ptime pt = from_ftime<ptime>(big_bang_by_ms);
65
66 check_equal("big bang ptime year matches 1601",
67 1601, pt.date().year());
68 check_equal("big bang ptime month matches Jan",
69 1, pt.date().month());
70 check_equal("big bang ptime day matches 1",
71 1, pt.date().day());
72 check_equal("big bang ptime hour matches 0",
73 0, pt.time_of_day().hours());
74 check_equal("big bang ptime minute matches 0",
75 0, pt.time_of_day().minutes());
76 check_equal("big bang ptime second matches 0",
77 0, pt.time_of_day().seconds());
78 check_equal("big bang truncated ptime fractional second matches 0",
79 0, (pt.time_of_day().fractional_seconds() / adjustor));
80
81
82 #else // BOOST_HAS_FTIME
83 // we don't want a forced failure here, not a shortcoming
84 check("FILETIME not available for this compiler/platform", true);
85 #endif // BOOST_HAS_FTIME
86
87 return printTestStats();
88
89 }
90
91