ceph/src/boost/libs/smart_ptr/test/sp_constexpr_test2.cpp

   1 //
   2 // sp_constexpr_test2.cpp
   3 //
   4 // Copyright 2017 Peter Dimov
   5 //
   6 // Distributed under the Boost Software License, Version 1.0.
   7 // See accompanying file LICENSE_1_0.txt or copy at
   8 // http://www.boost.org/LICENSE_1_0.txt
   9 //
  10
  11 #include <boost/config.hpp>
  12 #include <boost/detail/workaround.hpp>
  13
  14 #define HAVE_CONSTEXPR_INIT
  15
  16 #if defined( BOOST_NO_CXX11_CONSTEXPR )
  17 # undef HAVE_CONSTEXPR_INIT
  18 #endif
  19
  20 #if BOOST_WORKAROUND( BOOST_MSVC, < 1930 )
  21 # undef HAVE_CONSTEXPR_INIT
  22 #endif
  23
  24 #if defined(__clang__) && defined( BOOST_NO_CXX14_CONSTEXPR )
  25 # undef HAVE_CONSTEXPR_INIT
  26 #endif
  27
  28 #if !defined( HAVE_CONSTEXPR_INIT )
  29
  30 int main()
  31 {
  32 }
  33
  34 #else
  35
  36 #include <boost/shared_ptr.hpp>
  37 #include <boost/weak_ptr.hpp>
  38 #include <boost/enable_shared_from_this.hpp>
  39 #include <boost/core/lightweight_test.hpp>
  40
  41 struct X: public boost::enable_shared_from_this<X>
  42 {
  43     int v_;
  44
  45     constexpr X() BOOST_NOEXCEPT: v_( 1 )
  46     {
  47     }
  48 };
  49
  50 struct Z
  51 {
  52     Z();
  53 };
  54
  55 static Z z;
  56 static X x;
  57
  58 Z::Z()
  59 {
  60     BOOST_TEST_EQ( x.v_, 1 );
  61 }
  62
  63 int main()
  64 {
  65     return boost::report_errors();
  66 }
  67
  68 #endif // #if defined( BOOST_NO_CXX11_CONSEXPR )