/* Copyright (c) 2002,2003 CrystalClear Software, Inc.
- * Use, modification and distribution is subject to the
+ * Use, modification and distribution is subject to the
* Boost Software License, Version 1.0. (See accompanying
* file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)
#include <windows.h>
#endif
+void
+sync_to_next_second()
+{
+ using namespace boost::posix_time;
+
+ ptime t_prev;
+ ptime t_now = second_clock::local_time();
+
+ // Wait the next seconds
+ do
+ {
+ t_prev = t_now;
+ t_now = second_clock::local_time();
+ } while (t_now.time_of_day().seconds() == t_prev.time_of_day().seconds());
+
+ // Wait 300ms in order to avoid seconds of second_clock > microsec_clock.
+ t_now = microsec_clock::local_time();
+ t_prev = t_now;
+ do
+ {
+ t_now = microsec_clock::local_time();
+ } while (t_now - t_prev < milliseconds(300));
+
+}
+
+
int
-main()
+main()
{
#ifdef BOOST_DATE_TIME_HAS_HIGH_PRECISION_CLOCK
using namespace boost::posix_time;
- // ptime last = boost::date_time::microsec_resolution_clock<ptime>::local_time();
- ptime last = microsec_clock::local_time();
+ std::cout << "Check local time of microsec_clock against second_clock" << std::endl;
+ ptime last = microsec_clock::local_time();
int max = 30;
- int i = 0;
- for (i = 0; i<max; i++)
+ for (int i=0; i<max; i++)
{
- for (int j=0; j<100000; j++)
- {
- // some systems loop too fast so "last is less" tests fail
- // due to 'last' & 't2' being equal. These calls slow
- // it down enough to make 'last' & 't2' different
-#if defined(BOOST_HAS_GETTIMEOFDAY)
- timeval tv;
- gettimeofday(&tv, 0);
-#endif
-#if defined(BOOST_HAS_FTIME)
- SYSTEMTIME st;
- GetSystemTime(&st);
-#endif
- }
+ // Some systems loop too fast so "last is less" tests fail due to
+ // 'last' & 't2' being equal. These calls slow it down enough to
+ // make 'last' & 't2' different. Moreover, we must wait the next
+ // second to avoid a change in hour, minute or second field
+ // between acquisition of t1 and t2.
+ sync_to_next_second();
ptime t1 = second_clock::local_time();
std::cout << to_simple_string(t1) << std::endl;
ptime t2 = microsec_clock::local_time();
std::cout << to_simple_string(t2) << std::endl;
- check("hours match", t1.time_of_day().hours() == t2.time_of_day().hours());
- check("minutes match",
- t1.time_of_day().minutes() == t2.time_of_day().minutes());
- check("seconds match",
+
+ check("check equality of hours "
+ "between second_clock and microsec_clock timestamps",
+ t1.time_of_day().hours() == t2.time_of_day().hours());
+
+ check("check equality of minutes "
+ "between second_clock and microsec_clock timestamps",
t1.time_of_day().minutes() == t2.time_of_day().minutes());
- check("hours date", t1.date() == t2.date());
- if( !check("last is less", last <= t2) ) {
- std::cout << to_simple_string(last) << " < "
- << to_simple_string(t2) << std::endl;
+
+ check("check equality of seconds "
+ "between second_clock and microsec_clock timestamps",
+ t1.time_of_day().seconds() == t2.time_of_day().seconds());
+
+ check("check equality of date"
+ "between second_clock and microsec_clock timestamps",
+ t1.date() == t2.date());
+
+ if( !check("check that previous microsec_clock timestamp "
+ "is less than the current", last < t2) ) {
+ std::cout << to_simple_string(last) << " < "
+ << to_simple_string(t2) << std::endl;
}
- last = t2;
-
+ last = t2;
}
- std::cout << "Now do the same test for universal time -- a few less iterations" << std::endl;
+ std::cout << "Check universal time of microsec_clock against second_clock" << std::endl;
max = 10;
last = microsec_clock::universal_time();
- for (i = 0; i<max; i++)
+ for (int i=0; i<max; i++)
{
- for (int j=0; j<100000; j++)
- {
- // some systems loop too fast so "last is less" tests fail
- // due to 'last' & 't2' being equal. These calls slow
- // it down enough to make 'last' & 't2' different
-#if defined(BOOST_HAS_GETTIMEOFDAY)
- timeval tv;
- gettimeofday(&tv, 0);
-#endif
-#if defined(BOOST_HAS_FTIME)
- SYSTEMTIME st;
- GetSystemTime(&st);
-#endif
- }
+ // Some systems loop too fast so "last is less" tests fail due to
+ // 'last' & 't2' being equal. These calls slow it down enough to
+ // make 'last' & 't2' different. Moreover, we must wait the next
+ // second to avoid a change in hour, minute or second field
+ // between acquisition of t1 and t2.
+ sync_to_next_second();
ptime t1 = second_clock::universal_time();
std::cout << to_simple_string(t1) << std::endl;
ptime t2 = microsec_clock::universal_time();
std::cout << to_simple_string(t2) << std::endl;
- check("hours match", t1.time_of_day().hours() == t2.time_of_day().hours());
- check("minutes match",
- t1.time_of_day().minutes() == t2.time_of_day().minutes());
- check("seconds match",
+
+ check("check equality of hours "
+ "between second_clock and microsec_clock timestamps",
+ t1.time_of_day().hours() == t2.time_of_day().hours());
+
+ check("check equality of minutes "
+ "between second_clock and microsec_clock timestamps",
t1.time_of_day().minutes() == t2.time_of_day().minutes());
- check("hours date", t1.date() == t2.date());
- //following check might be equal on a really fast machine
- if( !check("last is less", last <= t2) ) {
- std::cout << to_simple_string(last) << " < "
- << to_simple_string(t2) << std::endl;
+
+ check("check equality of seconds "
+ "between second_clock and microsec_clock timestamps",
+ t1.time_of_day().seconds() == t2.time_of_day().seconds());
+
+ check("check equality of date"
+ "between second_clock and microsec_clock timestamps",
+ t1.date() == t2.date());
+
+ if( !check("check that previous microsec_clock timestamp "
+ "is less than the current", last < t2) ) {
+ std::cout << to_simple_string(last) << " < "
+ << to_simple_string(t2) << std::endl;
}
- last = t2;
-
+ last = t2;
}
#else
return printTestStats();
}
-
projects / ceph.git / blobdiff