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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;
BOOST_PREVENT_MACRO_SUBSTITUTION()20   static BOOST_CXX14_CONSTEXPR unsigned int min BOOST_PREVENT_MACRO_SUBSTITUTION () { return 0; };
BOOST_PREVENT_MACRO_SUBSTITUTION()21   static BOOST_CXX14_CONSTEXPR unsigned int max BOOST_PREVENT_MACRO_SUBSTITUTION () { return 31;};
on_error(unsigned int &,unsigned int,boost::CV::violation_enum)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 
main()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 
83