78 lines
1.7 KiB
C++
78 lines
1.7 KiB
C++
//
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// atomic_sp_constexpr_test.cpp
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//
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// Copyright 2017, 2018 Peter Dimov
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//
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// Distributed under the Boost Software License, Version 1.0.
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// See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt
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//
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#include <boost/config.hpp>
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#include <boost/config/workaround.hpp>
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#include <boost/config/pragma_message.hpp>
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#include <boost/config/helper_macros.hpp>
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#if defined( BOOST_NO_CXX11_CONSTEXPR )
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BOOST_PRAGMA_MESSAGE("Skipping test due to BOOST_NO_CXX11_CONSTEXPR")
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int main() {}
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#elif BOOST_WORKAROUND( BOOST_MSVC, < 1930 )
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// MSVC does not implement static initialization for constexpr constructors
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BOOST_PRAGMA_MESSAGE("Skipping test due to BOOST_MSVC < 1930")
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int main() {}
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#elif defined(__clang__) && defined( BOOST_NO_CXX14_CONSTEXPR )
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// Clang only implements static initialization for constexpr in C++14 mode
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BOOST_PRAGMA_MESSAGE("Skipping test due to __clang__ and BOOST_NO_CXX14_CONSTEXPR")
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int main() {}
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#elif defined( _LIBCPP_VERSION ) && ( _LIBCPP_VERSION < 6000 )
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// in libc++, atomic_flag has a non-constexpr constructor from bool
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BOOST_PRAGMA_MESSAGE("Skipping test due to _LIBCPP_VERSION " BOOST_STRINGIZE(_LIBCPP_VERSION))
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int main() {}
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#elif defined( BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX )
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BOOST_PRAGMA_MESSAGE("Skipping test due to BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX")
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int main() {}
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#else
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#include <boost/smart_ptr/atomic_shared_ptr.hpp>
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#include <boost/core/lightweight_test.hpp>
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struct X
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{
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};
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struct Z
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{
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Z();
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};
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static Z z;
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static boost::atomic_shared_ptr<X> p1;
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Z::Z()
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{
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p1 = boost::shared_ptr<X>( new X );
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}
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int main()
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{
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boost::shared_ptr<X> p2 = p1;
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BOOST_TEST( p2.get() != 0 );
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BOOST_TEST_EQ( p2.use_count(), 2 );
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return boost::report_errors();
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}
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#endif
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