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/config/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
30int 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
41struct X: public boost::enable_shared_from_this<X>
42{
43 int v_;
44
45 constexpr X() BOOST_NOEXCEPT: v_( 1 )
46 {
47 }
48};
49
50struct Z
51{
52 Z();
53};
54
55static Z z;
56static X x;
57
58Z::Z()
59{
60 BOOST_TEST_EQ( x.v_, 1 );
61}
62
63int main()
64{
65 return boost::report_errors();
66}
67
68#endif // #if defined( BOOST_NO_CXX11_CONSEXPR )
69

source code of boost/libs/smart_ptr/test/sp_constexpr_test2.cpp