ceph/src/boost/libs/lambda/test/istreambuf_test.cpp

   1 // istreambuf_test - test lambda function objects with istreambuf_iterator
   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 #include <iterator>
  12 #include <sstream>
  13 #include <algorithm>
  14
  15 int main()
  16 {
  17     using namespace boost::lambda;
  18
  19     std::stringstream is( "ax2" );
  20
  21     std::istreambuf_iterator<char> b2( is );
  22     std::istreambuf_iterator<char> e2;
  23
  24     std::istreambuf_iterator<char> i = std::find_if( b2, e2, _1 == 'x' );
  25
  26     BOOST_TEST( *i == 'x' );
  27     BOOST_TEST( std::distance( i, e2 ) == 2 );
  28
  29     return boost::report_errors();
  30 }