ceph/src/boost/libs/local_function/test/return_inc_seq.cpp

   1
   2 // Copyright (C) 2009-2012 Lorenzo Caminiti
   3 // Distributed under the Boost Software License, Version 1.0
   4 // (see accompanying file LICENSE_1_0.txt or a copy at
   5 // http://www.boost.org/LICENSE_1_0.txt)
   6 // Home at http://www.boost.org/libs/local_function
   7
   8 #include <boost/local_function.hpp>
   9 #include <boost/function.hpp>
  10 #include <boost/detail/lightweight_test.hpp>
  11
  12 boost::function<int (void)> inc(int& value) {
  13     int BOOST_LOCAL_FUNCTION( (bind& value) ) {
  14         return ++value;
  15     } BOOST_LOCAL_FUNCTION_NAME(i)
  16     return i;
  17 }
  18
  19 int main(void) {
  20     int value1 = 0;
  21     boost::function<int (void)> inc1 = inc(value1);
  22     int value2 = 0;
  23     boost::function<int (void)> inc2 = inc(value2);
  24
  25     BOOST_TEST(inc1() == 1);
  26     BOOST_TEST(inc1() == 2);
  27     BOOST_TEST(inc2() == 1);
  28     BOOST_TEST(inc1() == 3);
  29     return boost::report_errors();
  30 }
  31