ceph/src/boost/libs/uuid/test/test_tagging.cpp

   1 //  (C) Copyright Andy Tompkins 2009. Permission to copy, use, modify, sell and
   2 //  distribute this software is granted provided this copyright notice appears
   3 //  in all copies. This software is provided "as is" without express or implied
   4 //  warranty, and with no claim as to its suitability for any purpose.
   5
   6 // Distributed under the Boost Software License, Version 1.0. (See
   7 // accompanying file LICENSE_1_0.txt or copy at
   8 // https://www.boost.org/LICENSE_1_0.txt)
   9
  10 //  libs/uuid/test/test_tagging.cpp  -------------------------------//
  11
  12 #include <boost/uuid/uuid.hpp>
  13 #include <boost/uuid/uuid_generators.hpp>
  14 #include <boost/detail/lightweight_test.hpp>
  15
  16 class object
  17 {
  18 public:
  19     object()
  20         : tag(boost::uuids::random_generator()())
  21         , state(0)
  22     {}
  23
  24     explicit object(int state)
  25         : tag(boost::uuids::random_generator()())
  26         , state(state)
  27     {}
  28
  29     object(object const& rhs)
  30         : tag(rhs.tag)
  31         , state(rhs.state)
  32     {}
  33
  34     bool operator==(object const& rhs) const {
  35         return tag == rhs.tag;
  36     }
  37     bool operator!=(object const& rhs) const {
  38       return !(operator==(rhs));
  39     }
  40
  41     object& operator=(object const& rhs) {
  42         tag = rhs.tag;
  43         state = rhs.state;
  44         return *this;
  45     }
  46
  47     int get_state() const { return state; }
  48     void set_state(int new_state) { state = new_state; }
  49
  50 private:
  51     boost::uuids::uuid tag;
  52
  53     int state;
  54 };
  55
  56 template <typename elem, typename traits>
  57 std::basic_ostream<elem, traits>& operator<<(std::basic_ostream<elem, traits>& os, object const& o)
  58 {
  59     os << o.get_state();
  60     return os;
  61 }
  62
  63 int main(int, char*[])
  64 {
  65     object o1(1);
  66
  67     object o2 = o1;
  68     BOOST_TEST_EQ(o1, o2);
  69
  70     o2.set_state(2);
  71     BOOST_TEST_EQ(o1, o2);
  72
  73     object o3;
  74     o3.set_state(3);
  75
  76     BOOST_TEST_NE(o1, o3);
  77     BOOST_TEST_NE(o2, o3);
  78
  79     return boost::report_errors();
  80 }