ceph/src/boost/libs/date_time/test/testconstrained_value.cpp

   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 "boost/config.hpp"
   9 #include "boost/date_time/constrained_value.hpp"
  10 #include "testfrmwk.hpp"
  11 #include <iostream>
  12
  13 class bad_day {}; //exception type
  14
  15
  16 class day_value_policies
  17 {
  18 public:
  19   typedef unsigned int value_type;
  20   static BOOST_CXX14_CONSTEXPR unsigned int min BOOST_PREVENT_MACRO_SUBSTITUTION () { return 0; };
  21   static BOOST_CXX14_CONSTEXPR unsigned int max BOOST_PREVENT_MACRO_SUBSTITUTION () { return 31;};
  22   static void on_error(unsigned int&, unsigned int, boost::CV::violation_enum)
  23   {
  24     throw bad_day();
  25   }
  26 };
  27
  28 struct range_error {}; //exception type
  29 typedef boost::CV::simple_exception_policy<int,1,10,range_error> one_to_ten_range_policy;
  30
  31 int main()
  32 {
  33   using namespace boost::CV;
  34   constrained_value<day_value_policies> cv1(0), cv2(31);
  35   check("not equal", cv1 != cv2);
  36   check("equal", cv1 == cv1);
  37   check("greater", cv2 > cv1);
  38   check("greater or equal ", cv2 >= cv1);
  39   //various running of the conversion operator
  40   std::cout << cv1 << std::endl;
  41   unsigned int i = cv1;
  42   check("test conversion", i == cv1);
  43
  44 #ifdef BOOST_NO_CXX14_CONSTEXPR
  45   check("constexpr not configured", true);
  46 #else
  47   //check constexpr case
  48   constexpr constrained_value<day_value_policies> cv3(1);
  49   static_assert(cv3 == 1, "constexpr construction/conversion");
  50   check("constexpr constrained value construct and equal", true);
  51 #endif
  52
  53   try {
  54     constrained_value<one_to_ten_range_policy> cv3(11);
  55     std::cout << "Not Reachable: " << cv3 << " ";
  56     check("got range exception max", false);
  57   }
  58   catch(range_error&) {
  59     check("got range exception max", true);
  60   }
  61
  62   try {
  63     constrained_value<one_to_ten_range_policy> cv3(0);
  64     std::cout << "Not Reachable: " << cv3 << " ";
  65     check("got range exception min", false);
  66   }
  67   catch(range_error&) {
  68     check("got range exception min", true);
  69   }
  70
  71   try {
  72     constrained_value<one_to_ten_range_policy> cv4(1);
  73     cv4 = 12;
  74     check("range exception on assign", false);
  75   }
  76   catch(range_error&) {
  77     check("range exception on assign", true);
  78   }
  79
  80   return printTestStats();
  81 }
  82