File: testconstrained_value.cpp

package info (click to toggle)
boost 1.34.1-14
  • links: PTS
  • area: main
  • in suites: lenny
  • size: 116,412 kB
  • ctags: 259,566
  • sloc: cpp: 642,395; xml: 56,450; python: 17,612; ansic: 14,520; sh: 2,265; yacc: 858; perl: 481; makefile: 478; lex: 94; sql: 74; csh: 6
file content (77 lines) | stat: -rw-r--r-- 2,108 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
/* 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 or http://www.boost.org/LICENSE-1.0)
 * Author: Jeff Garland 
 */

#include "boost/config.hpp"
#include "boost/date_time/constrained_value.hpp"
#include "boost/date_time/testfrmwk.hpp"
#include <iostream>

class bad_day {}; //exception type


class day_value_policies
{
public:
  typedef unsigned int value_type;
  static unsigned int min BOOST_PREVENT_MACRO_SUBSTITUTION () { return 0; };
  static unsigned int max BOOST_PREVENT_MACRO_SUBSTITUTION () { return 31;};
  static void on_error(unsigned int&, unsigned int, boost::CV::violation_enum)
  {
    throw bad_day();
  }
};

struct range_error {}; //exception type
typedef boost::CV::simple_exception_policy<int,1,10,range_error> one_to_ten_range_policy;

int main()
{
  using namespace boost::CV;
  constrained_value<day_value_policies> cv1(0), cv2(31);
  check("not equal", cv1 != cv2);
  check("equal", cv1 == cv1);
  check("greater", cv2 > cv1);
  check("greater or equal ", cv2 >= cv1);
  //various running of the conversion operator
  std::cout << cv1 << std::endl;
  unsigned int i = cv1; 
  check("test conversion", i == cv1);


  try {
    constrained_value<one_to_ten_range_policy> cv2(11);
    std::cout << "Not Reachable: " << cv2 << " ";
    check("got range exception max", false);
  }
  catch(range_error& e) {
    e = e; // removes compiler warning
    check("got range exception max", true);
  }

  try {
    constrained_value<one_to_ten_range_policy> cv3(0);
    std::cout << "Not Reachable: " << cv3 << " ";
    check("got range exception min", false);
  }
  catch(range_error& e) {
    e = e; // removes compiler warning
    check("got range exception min", true);
  }

  try {
    constrained_value<one_to_ten_range_policy> cv4(1);
    cv4 = 12;
    check("range exception on assign", false);
  }
  catch(range_error& e) {
    e = e; // removes compiler warning
    check("range exception on assign", true);
  }

  return printTestStats();
}