ceph/src/boost/libs/phoenix/test/operator/bitwise_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 <iostream>
   8 #include <boost/detail/lightweight_test.hpp>
   9 #include <boost/phoenix/core.hpp>
  10 #include <boost/phoenix/operator.hpp>
  11
  12 namespace phoenix = boost::phoenix;
  13
  14 int
  15 main()
  16 {
  17     using phoenix::ref;
  18     using phoenix::val;
  19     using phoenix::arg_names::arg1;
  20     using std::cout;
  21
  22     {
  23         int x;
  24         int y;
  25
  26         x = 123;
  27         y = 123;
  28         (ref(x) &= 456)();
  29         y &= 456;
  30         BOOST_TEST(x == y);
  31
  32         x = 123;
  33         y = 123;
  34         (ref(x) |= 456)();
  35         y |= 456;
  36         BOOST_TEST(x == y);
  37
  38         x = 123;
  39         y = 123;
  40         (ref(x) ^= 456)();
  41         y ^= 456;
  42         BOOST_TEST(x == y);
  43
  44         x = 123;
  45         y = 123;
  46         (ref(x) <<= 4)();
  47         y <<= 4;
  48         BOOST_TEST(x == y);
  49
  50         x = 1230000;
  51         y = 1230000;
  52         (ref(x) >>= 4)();
  53         y >>= 4;
  54         BOOST_TEST(x == y);
  55
  56         int& r1 = (ref(x) &= 456)(); // should be an lvalue
  57         int& r2 = (ref(x) |= 456)(); // should be an lvalue
  58         int& r3 = (ref(x) ^= 456)(); // should be an lvalue
  59         int& r4 = (ref(x) <<= 4)(); // should be an lvalue
  60         int& r5 = (ref(x) >>= 4)(); // should be an lvalue
  61         BOOST_TEST(&r1 == &r2 && &r2 == &r3 && &r3 == &r4 && &r4 == &r5);
  62     }
  63
  64     {
  65         BOOST_TEST((val(123) & 456)() == (123 & 456));
  66         BOOST_TEST((val(123) | 456)() == (123 | 456));
  67         BOOST_TEST((val(123) ^ 456)() == (123 ^ 456));
  68         BOOST_TEST((val(123) << 4)() == (123 << 4));
  69         BOOST_TEST((val(1230000) >> 4)() == (1230000 >> 4));
  70
  71         char const* s = "Yabadabadoo!!!\n";
  72         (cout << arg1)(s);
  73     }
  74
  75     return boost::report_errors();
  76 }