ceph/src/boost/libs/parameter/test/singular.cpp

   1 // Copyright Daniel Wallin 2005. Use, modification and distribution is
   2 // subject to the Boost Software License, Version 1.0. (See accompanying
   3 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   4
   5 #include <boost/parameter/keyword.hpp>
   6 #include <boost/detail/lightweight_test.hpp>
   7
   8 BOOST_PARAMETER_KEYWORD(tag, x)
   9 BOOST_PARAMETER_KEYWORD(tag, y)
  10
  11 struct default_src
  12 {
  13     typedef int result_type;
  14
  15     int operator()() const
  16     {
  17         return 0;
  18     }
  19 };
  20
  21 template <class ArgumentPack, class K, class T>
  22 void check(ArgumentPack const& p, K const& kw, T const& value)
  23 {
  24     BOOST_TEST(p[kw] == value);
  25 }
  26
  27 int main()
  28 {
  29     check(x = 20, x, 20);
  30     check(y = 20, y, 20);
  31
  32     check(x = 20, x | 0, 20);
  33     check(y = 20, y | 0, 20);
  34
  35     check(x = 20, x | default_src(), 20);
  36     check(y = 20, y | default_src(), 20);
  37
  38     check(y = 20, x | 0, 0);
  39     check(y = 20, x || default_src(), 0);
  40     return boost::report_errors();
  41 }
  42