Initial commit

libs/date_time/test/testint64_range.cpp

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+/* Copyright (c) 2002,2003 CrystalClear Software, Inc.
+ * 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)
+ * Author: Jeff Garland 
+ */
+
+//#include "date_time/testfrmwk.hpp"
+#include <iostream>
+#include "boost/date_time/gregorian/gregorian.hpp"
+#include "boost/cstdint.hpp"
+
+int
+main()
+{
+#if (defined(BOOST_MSVC) && (_MSC_VER < 1300))
+  //skipping tests here due to lack of operator<< support in msvc6
+  // TODO: this is a bit misleading: using STLport, this should work.
+  std::cout << "Skipping tests on MSVC6" << std::endl;
+
+#else
+
+  std::cout << "int64_t  max:  "
+            << (std::numeric_limits<boost::int64_t>::max)() 
+            << std::endl;
+  std::cout << "uint64_t max: "
+            << (std::numeric_limits<boost::uint64_t>::max)() 
+            << std::endl;
+
+
+  boost::int64_t seconds_per_day = 60*60*24;
+  boost::int64_t microsec_per_sec = 1000000;
+  boost::int64_t microsec_per_day = seconds_per_day*microsec_per_sec;
+  std::cout << "microsec per day: " 
+            << microsec_per_day
+            << std::endl;
+
+  boost::uint64_t total_days = (std::numeric_limits<boost::int64_t>::max)() / microsec_per_day;
+
+  std::cout << "Representable days: " 
+            << total_days
+            << std::endl;
+
+  boost::int64_t approx_years = total_days / 366;
+
+  std::cout << "Approximate years: " 
+            << approx_years
+            << std::endl;
+  
+  //getting day count
+ // usec_count / (seconds_per_day*usec_per_sec);
+  boost::int64_t day_count = 1000;
+  boost::int64_t usec_count1000 = day_count*microsec_per_day + 999999;
+  std::cout << "usec count at day 1000 + 999999: " 
+            << usec_count1000
+            << std::endl;
+  
+  boost::int64_t day_count_calc = usec_count1000 / microsec_per_day;
+  std::cout << "calc day count at day 1000: " 
+            << day_count_calc
+            << std::endl;
+
+  boost::int64_t remaining_usec_count = usec_count1000 % microsec_per_day;
+  std::cout << "remaining usec count: " 
+            << remaining_usec_count
+            << std::endl;
+  
+  boost::int32_t day_count3M = 3000000;
+  boost::int64_t usec_count3M = day_count3M*microsec_per_day + 999999;
+  std::cout << "usec count at day 3M + 999999: " 
+            << usec_count3M
+            << std::endl;
+
+  boost::int64_t day_count_calc3M = usec_count3M / microsec_per_day;
+  std::cout << "calc day count at day 3M: " 
+            << day_count_calc3M
+            << std::endl;
+
+  boost::int64_t remaining_usec_count3M = usec_count3M % microsec_per_day;
+  std::cout << "remaining usec count 3M: " 
+            << remaining_usec_count3M
+            << std::endl;
+
+#endif  
+
+//   std::cout << "Days from: "
+//          << to_simple_string(d1) << " to "
+//          << to_simple_string(d2) << " = "
+//          << day_count << std::endl; 
+
+
+  //  printTestStats();
+  return 0;
+};
+