| 1 | /* Copyright (c) 2002,2003 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 |
| 6 | */ |
| 7 | |
| 8 | //#include "date_time/testfrmwk.hpp" |
| 9 | #include <iostream> |
| 10 | #include "boost/date_time/gregorian/gregorian.hpp" |
| 11 | #include "boost/cstdint.hpp" |
| 12 | |
| 13 | int |
| 14 | main() |
| 15 | { |
| 16 | #if (defined(BOOST_MSVC) && (_MSC_VER < 1300)) |
| 17 | //skipping tests here due to lack of operator<< support in msvc6 |
| 18 | // TODO: this is a bit misleading: using STLport, this should work. |
| 19 | std::cout << "Skipping tests on MSVC6"<< std::endl; |
| 20 | |
| 21 | #else |
| 22 | |
| 23 | std::cout << "int64_t max: " |
| 24 | << (std::numeric_limits<boost::int64_t>::max)() |
| 25 | << std::endl; |
| 26 | std::cout << "uint64_t max: " |
| 27 | << (std::numeric_limits<boost::uint64_t>::max)() |
| 28 | << std::endl; |
| 29 | |
| 30 | |
| 31 | boost::int64_t seconds_per_day = 60*60*24; |
| 32 | boost::int64_t microsec_per_sec = 1000000; |
| 33 | boost::int64_t microsec_per_day = seconds_per_day*microsec_per_sec; |
| 34 | std::cout << "microsec per day: " |
| 35 | << microsec_per_day |
| 36 | << std::endl; |
| 37 | |
| 38 | boost::uint64_t total_days = (std::numeric_limits<boost::int64_t>::max)() / microsec_per_day; |
| 39 | |
| 40 | std::cout << "Representable days: " |
| 41 | << total_days |
| 42 | << std::endl; |
| 43 | |
| 44 | boost::int64_t approx_years = total_days / 366; |
| 45 | |
| 46 | std::cout << "Approximate years: " |
| 47 | << approx_years |
| 48 | << std::endl; |
| 49 | |
| 50 | //getting day count |
| 51 | // usec_count / (seconds_per_day*usec_per_sec); |
| 52 | boost::int64_t day_count = 1000; |
| 53 | boost::int64_t usec_count1000 = day_count*microsec_per_day + 999999; |
| 54 | std::cout << "usec count at day 1000 + 999999: " |
| 55 | << usec_count1000 |
| 56 | << std::endl; |
| 57 | |
| 58 | boost::int64_t day_count_calc = usec_count1000 / microsec_per_day; |
| 59 | std::cout << "calc day count at day 1000: " |
| 60 | << day_count_calc |
| 61 | << std::endl; |
| 62 | |
| 63 | boost::int64_t remaining_usec_count = usec_count1000 % microsec_per_day; |
| 64 | std::cout << "remaining usec count: " |
| 65 | << remaining_usec_count |
| 66 | << std::endl; |
| 67 | |
| 68 | boost::int32_t day_count3M = 3000000; |
| 69 | boost::int64_t usec_count3M = day_count3M*microsec_per_day + 999999; |
| 70 | std::cout << "usec count at day 3M + 999999: " |
| 71 | << usec_count3M |
| 72 | << std::endl; |
| 73 | |
| 74 | boost::int64_t day_count_calc3M = usec_count3M / microsec_per_day; |
| 75 | std::cout << "calc day count at day 3M: " |
| 76 | << day_count_calc3M |
| 77 | << std::endl; |
| 78 | |
| 79 | boost::int64_t remaining_usec_count3M = usec_count3M % microsec_per_day; |
| 80 | std::cout << "remaining usec count 3M: " |
| 81 | << remaining_usec_count3M |
| 82 | << std::endl; |
| 83 | |
| 84 | #endif |
| 85 | |
| 86 | // std::cout << "Days from: " |
| 87 | // << to_simple_string(d1) << " to " |
| 88 | // << to_simple_string(d2) << " = " |
| 89 | // << day_count << std::endl; |
| 90 | |
| 91 | |
| 92 | // printTestStats(); |
| 93 | return 0; |
| 94 | }; |
| 95 | |
| 96 |