ceph/src/boost/libs/chrono/example/io_ex2.cpp

   1 //  io_ex2.cpp  ----------------------------------------------------------//
   2
   3 //  Copyright 2010 Howard Hinnant
   4 //  Copyright 2010 Vicente J. Botet Escriba
   5
   6 //  Distributed under the Boost Software License, Version 1.0.
   7 //  See http://www.boost.org/LICENSE_1_0.txt
   8
   9 /*
  10 This code was adapted by Vicente J. Botet Escriba from Hinnant's html documentation.
  11 Many thanks to Howard for making his code available under the Boost license.
  12
  13 */
  14
  15 #include <boost/chrono/chrono_io.hpp>
  16 #include <sstream>
  17 #include <boost/assert.hpp>
  18
  19 int main()
  20 {
  21     using namespace boost::chrono;
  22
  23     std::istringstream in("5000 milliseconds 4000 ms 3001 ms");
  24     seconds d(0);
  25     in >> d;
  26     BOOST_ASSERT(in.good());
  27     BOOST_ASSERT(d == seconds(5));
  28     in >> d;
  29     BOOST_ASSERT(in.good());
  30     BOOST_ASSERT(d == seconds(4));
  31     in >> d;
  32     BOOST_ASSERT(in.fail());
  33     BOOST_ASSERT(d == seconds(4));
  34     return 0;
  35 }
  36