Merge from 57197, 57206, 57423, 57518 did not apply to 'libs' for some reason; update.

[SVN r81338]
This commit is contained in:
Peter Dimov
2012-11-14 13:36:44 +00:00
parent 71eb435412
commit e8103f9774
3 changed files with 54 additions and 16 deletions

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@ -60,6 +60,7 @@ import testing ;
[ run sp_recursive_assign_rv_test.cpp ] [ run sp_recursive_assign_rv_test.cpp ]
[ run sp_recursive_assign2_rv_test.cpp ] [ run sp_recursive_assign2_rv_test.cpp ]
[ run esft_constructor_test.cpp ] [ run esft_constructor_test.cpp ]
[ run enable_shared_from_raw_test.cpp ]
[ compile-fail auto_ptr_lv_fail.cpp ] [ compile-fail auto_ptr_lv_fail.cpp ]
[ run atomic_count_test2.cpp ] [ run atomic_count_test2.cpp ]
[ run sp_typeinfo_test.cpp ] [ run sp_typeinfo_test.cpp ]

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@ -0,0 +1,39 @@
#include <boost/config.hpp>
//
// weak_from_raw_test.cpp
//
// Copyright (c) 2009 Frank Mori Hess
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
#include <boost/smart_ptr/enable_shared_from_raw.hpp>
#include <boost/detail/lightweight_test.hpp>
struct X: public boost::enable_shared_from_raw
{};
void basic_weak_from_raw_test()
{
X *p(new X);
boost::weak_ptr<X> weak = boost::weak_from_raw(p);
BOOST_TEST(weak.expired());
boost::shared_ptr<X> shared(p);
weak = boost::weak_from_raw(p);
BOOST_TEST(weak.expired() == false);
boost::shared_ptr<X> shared2(weak);
BOOST_TEST((shared < shared2 || shared2 < shared) == false);
BOOST_TEST(shared.get() == p);
}
int main()
{
basic_weak_from_raw_test();
return boost::report_errors();
}

View File

@ -13,14 +13,13 @@
// See accompanying file LICENSE_1_0.txt or copy at // See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt) // http://www.boost.org/LICENSE_1_0.txt)
// //
#include <boost/smart_ptr/enable_shared_from_raw.hpp>
#include <boost/smart_ptr/enable_shared_from_this2.hpp>
#include <boost/shared_ptr.hpp> #include <boost/shared_ptr.hpp>
#include <boost/weak_ptr.hpp> #include <boost/weak_ptr.hpp>
#include <boost/detail/lightweight_test.hpp> #include <boost/detail/lightweight_test.hpp>
#include <memory> #include <memory>
class X: public boost::enable_shared_from_this2< X > class X: public boost::enable_shared_from_raw
{ {
private: private:
@ -42,7 +41,7 @@ public:
explicit X( int expected, boost::shared_ptr<X> *early_px = 0 ): destroyed_( 0 ), deleted_( 0 ), expected_( expected ) explicit X( int expected, boost::shared_ptr<X> *early_px = 0 ): destroyed_( 0 ), deleted_( 0 ), expected_( expected )
{ {
++instances; ++instances;
if( early_px ) *early_px = shared_from_this(); if( early_px ) *early_px = shared_from_raw(this);
} }
~X() ~X()
@ -75,7 +74,7 @@ bool are_shared_owners(const boost::shared_ptr<T> &a, const boost::shared_ptr<U>
return !(a < b) && !(b < a); return !(a < b) && !(b < a);
} }
struct Y: public boost::enable_shared_from_this2<Y> struct Y: public boost::enable_shared_from_raw
{}; {};
int main() int main()
@ -87,14 +86,15 @@ int main()
X* x = new X( 1, &early_px ); X* x = new X( 1, &early_px );
BOOST_TEST( early_px.use_count() > 0 ); BOOST_TEST( early_px.use_count() > 0 );
BOOST_TEST( boost::get_deleter<X::deleter_type>(early_px) == 0 ); BOOST_TEST( boost::get_deleter<X::deleter_type>(early_px) == 0 );
BOOST_TEST( early_px.get() == x );
boost::shared_ptr<X> px( x, &X::deleter2 ); boost::shared_ptr<X> px( x, &X::deleter2 );
BOOST_TEST( early_px.use_count() == 2 && px.use_count() == 2 ); BOOST_TEST( early_px.use_count() == 2 && px.use_count() == 2 );
BOOST_TEST(are_shared_owners(early_px, px)); BOOST_TEST(are_shared_owners(early_px, px));
px.reset(); px.reset();
BOOST_TEST( early_px.use_count() == 1 ); BOOST_TEST( early_px.use_count() == 1 );
BOOST_TEST( X::instances == 1 ); BOOST_TEST( X::instances == 1 );
// X::deleter_type *pd = boost::get_deleter<X::deleter_type>(early_px); X::deleter_type *pd = boost::get_deleter<X::deleter_type>(early_px);
// BOOST_TEST(pd && *pd == &X::deleter2 ); BOOST_TEST(pd && *pd == &X::deleter2 );
} }
BOOST_TEST( X::instances == 0 ); BOOST_TEST( X::instances == 0 );
@ -117,7 +117,7 @@ int main()
{ {
boost::shared_ptr<X> early_px; boost::shared_ptr<X> early_px;
X x( 1, &early_px ); X x( 2, &early_px );
BOOST_TEST( early_px.use_count() > 0 ); BOOST_TEST( early_px.use_count() > 0 );
boost::shared_ptr<X> px( &x, &X::deleter ); boost::shared_ptr<X> px( &x, &X::deleter );
BOOST_TEST( early_px.use_count() == 2 && px.use_count() == 2 ); BOOST_TEST( early_px.use_count() == 2 && px.use_count() == 2 );
@ -125,13 +125,11 @@ int main()
BOOST_TEST( px.use_count() == 1 ); BOOST_TEST( px.use_count() == 1 );
BOOST_TEST( X::instances == 1 ); BOOST_TEST( X::instances == 1 );
px.reset(); px.reset();
try // test reinitialization after all shared_ptr have expired
{ early_px = shared_from_raw(&x);
x.shared_from_this(); px.reset( &x, &X::deleter );
BOOST_ERROR("x did not throw bad_weak_ptr"); BOOST_TEST(are_shared_owners(early_px, px));
} early_px.reset();
catch( const boost::bad_weak_ptr & )
{}
} }
BOOST_TEST( X::instances == 0 ); BOOST_TEST( X::instances == 0 );
@ -157,7 +155,7 @@ int main()
px.reset(); px.reset();
try try
{ {
y.shared_from_this(); shared_from_raw(&y);
} }
catch( const boost::bad_weak_ptr & ) catch( const boost::bad_weak_ptr & )
{ {