ceph/src/boost/libs/phoenix/test/bll_compatibility/rvalue_test.cpp

   1 // rvalue_test - test lambda function objects with rvalue arguments
   2 //
   3 // Copyright (c) 2007 Peter Dimov
   4 //
   5 // Distributed under the Boost Software License, Version 1.0.
   6 // See accompanying file LICENSE_1_0.txt or copy at
   7 // http://www.boost.org/LICENSE_1_0.txt
   8
   9 #include <boost/lambda/lambda.hpp>
  10 #include <boost/detail/lightweight_test.hpp>
  11
  12 int main()
  13 {
  14     using namespace boost::lambda;
  15
  16     int x = 0;
  17     int const y = 1;
  18     int const z = 2;
  19
  20     BOOST_TEST( _1( x ) == 0 );
  21     BOOST_TEST( _1( y ) == 1 );
  22     BOOST_TEST( _1( 2 ) == 2 );
  23
  24     BOOST_TEST( _2( x, x ) == 0 );
  25     BOOST_TEST( _2( x, y ) == 1 );
  26     BOOST_TEST( _2( x, 2 ) == 2 );
  27
  28     BOOST_TEST( _2( 4, x ) == 0 );
  29     BOOST_TEST( _2( 4, y ) == 1 );
  30     BOOST_TEST( _2( 4, 2 ) == 2 );
  31
  32     (_1 = _2)( x, y );
  33     BOOST_TEST( x == y );
  34
  35     (_1 = _2)( x, 3 );
  36     BOOST_TEST( x == 3 );
  37
  38     (_2 = _1)( z, x );
  39     BOOST_TEST( x == z );
  40
  41     (_2 = _1)( 4, x );
  42     BOOST_TEST( x == 4 );
  43
  44     BOOST_TEST( _3( x, x, x ) == x );
  45     BOOST_TEST( _3( x, x, y ) == y );
  46     BOOST_TEST( _3( x, x, 2 ) == 2 );
  47
  48     BOOST_TEST( _3( x, 5, x ) == x );
  49     BOOST_TEST( _3( x, 5, y ) == y );
  50     BOOST_TEST( _3( x, 5, 2 ) == 2 );
  51
  52     BOOST_TEST( _3( 9, 5, x ) == x );
  53     BOOST_TEST( _3( 9, 5, y ) == y );
  54     BOOST_TEST( _3( 9, 5, 2 ) == 2 );
  55
  56     return boost::report_errors();
  57 }