ceph/src/boost/libs/optional/test/optional_test_convert_from_T.cpp

   1 // Copyright (C) 2014 Andrzej Krzemienski.
   2 //
   3 // Use, modification, and distribution is subject to the Boost Software
   4 // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   5 // http://www.boost.org/LICENSE_1_0.txt)
   6 //
   7 // See http://www.boost.org/lib/optional for documentation.
   8 //
   9 // You are welcome to contact the author at:
  10 //  akrzemi1@gmail.com
  11
  12 #include "boost/optional/optional.hpp"
  13
  14 #ifdef __BORLANDC__
  15 #pragma hdrstop
  16 #endif
  17
  18 #include "boost/core/lightweight_test.hpp"
  19 #include "boost/none.hpp"
  20
  21 //#ifndef BOOST_OPTIONAL_NO_CONVERTING_COPY_CTOR
  22
  23 using boost::optional;
  24 using boost::none;
  25
  26 void test_optional_optional_T()
  27 {
  28   optional<int> oi1 (1), oiN;
  29   optional< optional<int> > ooi1 (oi1), ooiN(oiN);
  30
  31   BOOST_TEST(ooi1);
  32   BOOST_TEST(*ooi1);
  33   BOOST_TEST_EQ(**ooi1, 1);
  34
  35   BOOST_TEST(ooiN);
  36   BOOST_TEST(!*ooiN);
  37 }
  38
  39 int main()
  40 {
  41     test_optional_optional_T();
  42
  43     return boost::report_errors();
  44 }