ceph/src/boost/libs/smart_ptr/test/weak_from_raw_test.cpp

   1 #include <boost/config.hpp>
   2
   3 //
   4 //  weak_from_raw_test.cpp
   5 //
   6 //  Copyright (c) 2009 Frank Mori Hess
   7 //
   8 // Distributed under the Boost Software License, Version 1.0. (See
   9 // accompanying file LICENSE_1_0.txt or copy at
  10 // http://www.boost.org/LICENSE_1_0.txt)
  11 //
  12
  13
  14 #include <boost/smart_ptr/enable_shared_from_raw.hpp>
  15 #include <boost/detail/lightweight_test.hpp>
  16
  17
  18 struct X: public boost::enable_shared_from_raw
  19 {};
  20
  21 void basic_weak_from_raw_test()
  22 {
  23     X *p(new X);
  24     boost::weak_ptr<X> weak = boost::weak_from_raw(p);
  25     BOOST_TEST(!weak.expired());
  26     boost::shared_ptr<X> shared(p);
  27     weak = boost::weak_from_raw(p);
  28     BOOST_TEST(weak.expired() == false);
  29     boost::shared_ptr<X> shared2(weak);
  30     BOOST_TEST((shared < shared2 || shared2 < shared) == false);
  31     BOOST_TEST(shared.get() == p);
  32 }
  33
  34 int main()
  35 {
  36     basic_weak_from_raw_test();
  37     return boost::report_errors();
  38 }