ceph/src/boost/libs/phoenix/test/operator/logical_tests.cpp

   1 /*=============================================================================
   2     Copyright (c) 2001-2007 Joel de Guzman
   3
   4     Distributed under the Boost Software License, Version 1.0. (See accompanying
   5     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   6 ==============================================================================*/
   7 #include <boost/detail/lightweight_test.hpp>
   8 #include <boost/phoenix/core.hpp>
   9 #include <boost/phoenix/operator.hpp>
  10
  11 namespace phoenix = boost::phoenix;
  12
  13 int
  14 main()
  15 {
  16     using phoenix::arg_names::arg1;
  17     using phoenix::arg_names::arg2;
  18     {
  19         bool x = false;
  20         bool y = true;
  21
  22         BOOST_TEST((!arg1)(x) == true);
  23         BOOST_TEST((!arg1)(y) == false);
  24         BOOST_TEST((arg1 || arg2)(x, y) == true);
  25         BOOST_TEST((arg1 && arg2)(x, y) == false);
  26
  27         // short circuiting:
  28         int i = 1234;
  29         (arg1 || (arg2 = 4567))(y, i);
  30         BOOST_TEST(i == 1234);
  31         (arg1 && (arg2 = 4567))(y, i);
  32         BOOST_TEST(i == 4567);
  33     }
  34
  35     return boost::report_errors();
  36 }