forked from boostorg/smart_ptr
Add .owner_hash_value to shared/weak_ptr, hash_value, std::hash/equal_to specializations for weak_ptr
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Peter Dimov committed
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@@ -398,3 +398,8 @@ run weak_ptr_mt_test.cpp
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: : : <threading>multi ;
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compile sp_report_implementation.cpp ;
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run sp_owner_hash_value_test.cpp ;
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run wp_hash_test.cpp ;
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run wp_hash_test2.cpp ;
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@@ -0,0 +1,85 @@
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// Copyright 2020 Peter Dimov
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// Distributed under the Boost Software License, Version 1.0.
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// https://www.boost.org/LICENSE_1_0.txt
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#include <boost/shared_ptr.hpp>
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#include <boost/weak_ptr.hpp>
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#include <boost/core/lightweight_test.hpp>
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int main()
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{
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{
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boost::shared_ptr<int> p1( new int );
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boost::shared_ptr<int> p2( p1 );
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BOOST_TEST_EQ( p1.owner_hash_value(), p2.owner_hash_value() );
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boost::shared_ptr<int> p3( new int );
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BOOST_TEST_NE( p1.owner_hash_value(), p3.owner_hash_value() );
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boost::shared_ptr<int> p4;
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boost::shared_ptr<int> p5;
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BOOST_TEST_EQ( p4.owner_hash_value(), p5.owner_hash_value() );
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BOOST_TEST_NE( p4.owner_hash_value(), p3.owner_hash_value() );
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boost::shared_ptr<int> p6( static_cast<int*>(0) );
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BOOST_TEST_NE( p4.owner_hash_value(), p6.owner_hash_value() );
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boost::shared_ptr<void> p7( p1 );
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BOOST_TEST_EQ( p1.owner_hash_value(), p7.owner_hash_value() );
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boost::shared_ptr<void> p8;
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BOOST_TEST_NE( p1.owner_hash_value(), p8.owner_hash_value() );
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BOOST_TEST_EQ( p4.owner_hash_value(), p8.owner_hash_value() );
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boost::weak_ptr<int> q1( p1 );
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BOOST_TEST_EQ( p1.owner_hash_value(), q1.owner_hash_value() );
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boost::weak_ptr<int> q2( p1 );
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BOOST_TEST_EQ( q1.owner_hash_value(), q2.owner_hash_value() );
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boost::weak_ptr<int> q3( p3 );
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BOOST_TEST_NE( p1.owner_hash_value(), q3.owner_hash_value() );
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BOOST_TEST_NE( q1.owner_hash_value(), q3.owner_hash_value() );
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boost::weak_ptr<int> q4;
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BOOST_TEST_EQ( p4.owner_hash_value(), q4.owner_hash_value() );
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BOOST_TEST_NE( q1.owner_hash_value(), q4.owner_hash_value() );
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boost::weak_ptr<void> q5;
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BOOST_TEST_EQ( q4.owner_hash_value(), q5.owner_hash_value() );
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boost::weak_ptr<void> q7( p7 );
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BOOST_TEST_EQ( p1.owner_hash_value(), q7.owner_hash_value() );
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BOOST_TEST_EQ( q1.owner_hash_value(), q7.owner_hash_value() );
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p1.reset();
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p2.reset();
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p3.reset();
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p7.reset();
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BOOST_TEST( q1.expired() );
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BOOST_TEST( q2.expired() );
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BOOST_TEST( q3.expired() );
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BOOST_TEST( q7.expired() );
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BOOST_TEST_EQ( q1.owner_hash_value(), q2.owner_hash_value() );
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BOOST_TEST_EQ( q1.owner_hash_value(), q7.owner_hash_value() );
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BOOST_TEST_NE( q1.owner_hash_value(), q3.owner_hash_value() );
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BOOST_TEST_NE( q1.owner_hash_value(), q4.owner_hash_value() );
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}
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return boost::report_errors();
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}
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@@ -0,0 +1,76 @@
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// Copyright 2011, 2020 Peter Dimov
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// Distributed under the Boost Software License, Version 1.0.
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// https://www.boost.org/LICENSE_1_0.txt
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#include <boost/weak_ptr.hpp>
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#include <boost/shared_ptr.hpp>
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#include <boost/functional/hash.hpp>
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#include <boost/core/lightweight_test.hpp>
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int main()
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{
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{
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boost::hash< boost::weak_ptr<int> > hasher;
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boost::shared_ptr<int> p1, p2( p1 ), p3( new int ), p4( p3 ), p5( new int );
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boost::weak_ptr<int> q1( p1 ), q2( p2 ), q3( p3 ), q4( p4 ), q5( p5 );
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BOOST_TEST_EQ( hasher( q1 ), hasher( q2 ) );
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BOOST_TEST_NE( hasher( q1 ), hasher( q3 ) );
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BOOST_TEST_EQ( hasher( q3 ), hasher( q4 ) );
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BOOST_TEST_NE( hasher( q3 ), hasher( q5 ) );
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p3.reset();
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p4.reset();
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p5.reset();
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BOOST_TEST_EQ( hasher( q1 ), hasher( q2 ) );
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BOOST_TEST_NE( hasher( q1 ), hasher( q3 ) );
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BOOST_TEST_EQ( hasher( q3 ), hasher( q4 ) );
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BOOST_TEST_NE( hasher( q3 ), hasher( q5 ) );
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}
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{
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boost::hash< boost::weak_ptr<int[]> > hasher;
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boost::shared_ptr<int[]> p1, p2( p1 ), p3( new int[1] ), p4( p3 ), p5( new int[1] );
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boost::weak_ptr<int[]> q1( p1 ), q2( p2 ), q3( p3 ), q4( p4 ), q5( p5 );
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BOOST_TEST_EQ( hasher( q1 ), hasher( q2 ) );
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BOOST_TEST_NE( hasher( q1 ), hasher( q3 ) );
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BOOST_TEST_EQ( hasher( q3 ), hasher( q4 ) );
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BOOST_TEST_NE( hasher( q3 ), hasher( q5 ) );
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p3.reset();
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p4.reset();
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p5.reset();
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BOOST_TEST_EQ( hasher( q1 ), hasher( q2 ) );
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BOOST_TEST_NE( hasher( q1 ), hasher( q3 ) );
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BOOST_TEST_EQ( hasher( q3 ), hasher( q4 ) );
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BOOST_TEST_NE( hasher( q3 ), hasher( q5 ) );
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}
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{
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boost::hash< boost::weak_ptr<int[1]> > hasher;
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boost::shared_ptr<int[1]> p1, p2( p1 ), p3( new int[1] ), p4( p3 ), p5( new int[1] );
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boost::weak_ptr<int[1]> q1( p1 ), q2( p2 ), q3( p3 ), q4( p4 ), q5( p5 );
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BOOST_TEST_EQ( hasher( q1 ), hasher( q2 ) );
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BOOST_TEST_NE( hasher( q1 ), hasher( q3 ) );
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BOOST_TEST_EQ( hasher( q3 ), hasher( q4 ) );
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BOOST_TEST_NE( hasher( q3 ), hasher( q5 ) );
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p3.reset();
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p4.reset();
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p5.reset();
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BOOST_TEST_EQ( hasher( q1 ), hasher( q2 ) );
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BOOST_TEST_NE( hasher( q1 ), hasher( q3 ) );
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BOOST_TEST_EQ( hasher( q3 ), hasher( q4 ) );
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BOOST_TEST_NE( hasher( q3 ), hasher( q5 ) );
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}
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return boost::report_errors();
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}
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@@ -0,0 +1,61 @@
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// Copyright 2011, 2020 Peter Dimov
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// Distributed under the Boost Software License, Version 1.0.
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// https://www.boost.org/LICENSE_1_0.txt
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#include <boost/weak_ptr.hpp>
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#include <boost/shared_ptr.hpp>
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#include <boost/core/lightweight_test.hpp>
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#include <boost/config.hpp>
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#include <functional>
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#if defined(BOOST_NO_CXX11_HDR_FUNCTIONAL)
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int main() {}
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#else
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int main()
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{
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{
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boost::shared_ptr<int> p1, p2( new int );
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boost::weak_ptr<int> q1( p1 ), q2( p2 ), q3;
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BOOST_TEST_EQ( std::hash< boost::weak_ptr<int> >()( q1 ), q1.owner_hash_value() );
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BOOST_TEST_EQ( std::hash< boost::weak_ptr<int> >()( q2 ), q2.owner_hash_value() );
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BOOST_TEST_EQ( std::hash< boost::weak_ptr<int> >()( q3 ), q3.owner_hash_value() );
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p2.reset();
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BOOST_TEST_EQ( std::hash< boost::weak_ptr<int> >()( q2 ), q2.owner_hash_value() );
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}
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{
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boost::shared_ptr<int[]> p1, p2( new int[1] );
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boost::weak_ptr<int[]> q1( p1 ), q2( p2 ), q3;
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BOOST_TEST_EQ( std::hash< boost::weak_ptr<int[]> >()( q1 ), q1.owner_hash_value() );
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BOOST_TEST_EQ( std::hash< boost::weak_ptr<int[]> >()( q2 ), q2.owner_hash_value() );
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BOOST_TEST_EQ( std::hash< boost::weak_ptr<int[]> >()( q3 ), q3.owner_hash_value() );
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p2.reset();
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BOOST_TEST_EQ( std::hash< boost::weak_ptr<int[]> >()( q2 ), q2.owner_hash_value() );
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}
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{
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boost::shared_ptr<int[1]> p1, p2( new int[1] );
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boost::weak_ptr<int[1]> q1( p1 ), q2( p2 ), q3;
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BOOST_TEST_EQ( std::hash< boost::weak_ptr<int[1]> >()( q1 ), q1.owner_hash_value() );
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BOOST_TEST_EQ( std::hash< boost::weak_ptr<int[1]> >()( q2 ), q2.owner_hash_value() );
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BOOST_TEST_EQ( std::hash< boost::weak_ptr<int[1]> >()( q3 ), q3.owner_hash_value() );
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p2.reset();
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BOOST_TEST_EQ( std::hash< boost::weak_ptr<int[1]> >()( q2 ), q2.owner_hash_value() );
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}
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return boost::report_errors();
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}
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#endif // #if defined(BOOST_NO_CXX11_HDR_FUNCTIONAL)
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