* include/tr1/memory: New file.
* include/Makefile.am, include/Makefile.in: Add new TR1 header.
* testsuite/tr1/2_general_utilities/memory/
enable_shared_from_this/not_shared.cc: New test.
* testsuite/tr1/2_general_utilities/memory/
enable_shared_from_this/not_shared2.cc: New test.
* testsuite/tr1/2_general_utilities/memory/
enable_shared_from_this/not_shared3.cc: New test.
* testsuite/tr1/2_general_utilities/memory/
enable_shared_from_this/shared.cc: New test.
* testsuite/tr1/2_general_utilities/memory/
enable_shared_from_this/still_shared.cc: New test.
* testsuite/tr1/2_general_utilities/memory/
shared_ptr/assign/assign.cc: New test.
* testsuite/tr1/2_general_utilities/memory/
shared_ptr/assign/auto_ptr.cc: New test.
* testsuite/tr1/2_general_utilities/memory/
shared_ptr/assign/auto_ptr_neg.cc: New test.
* testsuite/tr1/2_general_utilities/memory/
shared_ptr/assign/auto_ptr_rvalue_neg.cc: New test.
* testsuite/tr1/2_general_utilities/memory/
shared_ptr/assign/shared_ptr.cc: New test.
* testsuite/tr1/2_general_utilities/memory/
shared_ptr/assign/shared_ptr_neg.cc: New test.
* testsuite/tr1/2_general_utilities/memory/
shared_ptr/comparison/cmp.cc: New test.
* testsuite/tr1/2_general_utilities/memory/
shared_ptr/cons/auto_ptr.cc: New test.
* testsuite/tr1/2_general_utilities/memory/
shared_ptr/cons/auto_ptr_neg.cc: New test.
* testsuite/tr1/2_general_utilities/memory/
shared_ptr/cons/copy.cc: New test.
* testsuite/tr1/2_general_utilities/memory/
shared_ptr/cons/default.cc: New test.
* testsuite/tr1/2_general_utilities/memory/
shared_ptr/cons/pointer.cc: New test.
* testsuite/tr1/2_general_utilities/memory/
shared_ptr/cons/weak_ptr.cc: New test.
* testsuite/tr1/2_general_utilities/memory/
shared_ptr/cons/weak_ptr_expired.cc: New test.
* testsuite/tr1/2_general_utilities/memory/
shared_ptr/dest/dest.cc: New test.
* testsuite/tr1/2_general_utilities/memory/
shared_ptr/misc/io.cc: New test.
* testsuite/tr1/2_general_utilities/memory/
shared_ptr/misc/swap.cc: New test.
* testsuite/tr1/2_general_utilities/memory/
shared_ptr/modifiers/reset.cc: New test.
* testsuite/tr1/2_general_utilities/memory/
shared_ptr/modifiers/reset_neg.cc: New test.
* testsuite/tr1/2_general_utilities/memory/
shared_ptr/modifiers/swap.cc: New test.
* testsuite/tr1/2_general_utilities/memory/
shared_ptr/modifiers/swap_neg.cc: New test.
* testsuite/tr1/2_general_utilities/memory/
shared_ptr/observers/bool_conv.cc: New test.
* testsuite/tr1/2_general_utilities/memory/
shared_ptr/observers/get.cc: New test.
* testsuite/tr1/2_general_utilities/memory/
shared_ptr/observers/unique.cc: New test.
* testsuite/tr1/2_general_utilities/memory/
shared_ptr/observers/use_count.cc: New test.
From-SVN: r95361
+2005-02-21 Jonathan Wakely <redi@gcc.gnu.org>
+
+ * include/tr1/memory: New file.
+ * include/Makefile.am, include/Makefile.in: Add new TR1 header.
+ * testsuite/tr1/2_general_utilities/memory/
+ enable_shared_from_this/not_shared.cc: New test.
+ * testsuite/tr1/2_general_utilities/memory/
+ enable_shared_from_this/not_shared2.cc: New test.
+ * testsuite/tr1/2_general_utilities/memory/
+ enable_shared_from_this/not_shared3.cc: New test.
+ * testsuite/tr1/2_general_utilities/memory/
+ enable_shared_from_this/shared.cc: New test.
+ * testsuite/tr1/2_general_utilities/memory/
+ enable_shared_from_this/still_shared.cc: New test.
+ * testsuite/tr1/2_general_utilities/memory/
+ shared_ptr/assign/assign.cc: New test.
+ * testsuite/tr1/2_general_utilities/memory/
+ shared_ptr/assign/auto_ptr.cc: New test.
+ * testsuite/tr1/2_general_utilities/memory/
+ shared_ptr/assign/auto_ptr_neg.cc: New test.
+ * testsuite/tr1/2_general_utilities/memory/
+ shared_ptr/assign/auto_ptr_rvalue_neg.cc: New test.
+ * testsuite/tr1/2_general_utilities/memory/
+ shared_ptr/assign/shared_ptr.cc: New test.
+ * testsuite/tr1/2_general_utilities/memory/
+ shared_ptr/assign/shared_ptr_neg.cc: New test.
+ * testsuite/tr1/2_general_utilities/memory/
+ shared_ptr/comparison/cmp.cc: New test.
+ * testsuite/tr1/2_general_utilities/memory/
+ shared_ptr/cons/auto_ptr.cc: New test.
+ * testsuite/tr1/2_general_utilities/memory/
+ shared_ptr/cons/auto_ptr_neg.cc: New test.
+ * testsuite/tr1/2_general_utilities/memory/
+ shared_ptr/cons/copy.cc: New test.
+ * testsuite/tr1/2_general_utilities/memory/
+ shared_ptr/cons/default.cc: New test.
+ * testsuite/tr1/2_general_utilities/memory/
+ shared_ptr/cons/pointer.cc: New test.
+ * testsuite/tr1/2_general_utilities/memory/
+ shared_ptr/cons/weak_ptr.cc: New test.
+ * testsuite/tr1/2_general_utilities/memory/
+ shared_ptr/cons/weak_ptr_expired.cc: New test.
+ * testsuite/tr1/2_general_utilities/memory/
+ shared_ptr/dest/dest.cc: New test.
+ * testsuite/tr1/2_general_utilities/memory/
+ shared_ptr/misc/io.cc: New test.
+ * testsuite/tr1/2_general_utilities/memory/
+ shared_ptr/misc/swap.cc: New test.
+ * testsuite/tr1/2_general_utilities/memory/
+ shared_ptr/modifiers/reset.cc: New test.
+ * testsuite/tr1/2_general_utilities/memory/
+ shared_ptr/modifiers/reset_neg.cc: New test.
+ * testsuite/tr1/2_general_utilities/memory/
+ shared_ptr/modifiers/swap.cc: New test.
+ * testsuite/tr1/2_general_utilities/memory/
+ shared_ptr/modifiers/swap_neg.cc: New test.
+ * testsuite/tr1/2_general_utilities/memory/
+ shared_ptr/observers/bool_conv.cc: New test.
+ * testsuite/tr1/2_general_utilities/memory/
+ shared_ptr/observers/get.cc: New test.
+ * testsuite/tr1/2_general_utilities/memory/
+ shared_ptr/observers/unique.cc: New test.
+ * testsuite/tr1/2_general_utilities/memory/
+ shared_ptr/observers/use_count.cc: New test.
+
2005-02-21 Paolo Carlini <pcarlini@suse.de>
* include/tr1/type_traits (is_member_function_pointer):
tr1_headers = \
${tr1_srcdir}/array \
${tr1_srcdir}/functional \
+ ${tr1_srcdir}/memory \
${tr1_srcdir}/tuple \
${tr1_srcdir}/utility \
${tr1_srcdir}/type_traits \
# Build a precompiled C++ include, stdc++.h.gch.
${pch_input}: ${allstamped} ${host_builddir}/c++config.h ${pch_source}
- touch ${pch_input}; \
+ cp ${pch_source} ${pch_input}; \
if [ ! -d "${pch_output_builddir}" ]; then \
mkdir -p ${pch_output_builddir}; \
fi; \
tr1_headers = \
${tr1_srcdir}/array \
${tr1_srcdir}/functional \
+ ${tr1_srcdir}/memory \
${tr1_srcdir}/tuple \
${tr1_srcdir}/utility \
${tr1_srcdir}/type_traits \
# Build a precompiled C++ include, stdc++.h.gch.
${pch_input}: ${allstamped} ${host_builddir}/c++config.h ${pch_source}
- touch ${pch_input}; \
+ cp ${pch_source} ${pch_input}; \
if [ ! -d "${pch_output_builddir}" ]; then \
mkdir -p ${pch_output_builddir}; \
fi; \
--- /dev/null
+// <tr1/memory> -*- C++ -*-
+
+// Copyright (C) 2005 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING. If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction. Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License. This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+// boost/checked_delete.hpp
+// Copyright (c) 2002, 2003 Peter Dimov
+// Copyright (c) 2003 Daniel Frey
+// Copyright (c) 2003 Howard Hinnant
+
+// boost/shared_count.hpp
+// Copyright (c) 2001, 2002, 2003 Peter Dimov and Multi Media Ltd.
+
+// shared_ptr.hpp
+// (C) Copyright Greg Colvin and Beman Dawes 1998, 1999.
+// Copyright (c) 2001, 2002, 2003 Peter Dimov
+
+// weak_ptr.hpp
+// Copyright (c) 2001, 2002, 2003 Peter Dimov
+
+// enable_shared_from_this.hpp
+// Copyright (c) 2002 Peter Dimov
+
+#ifndef _TR1_MEMORY
+#define _TR1_MEMORY 1
+
+#include "../memory"
+#include <functional> // std::less
+#include <exception> // std::exception
+#include <new> // std::bad_alloc
+#include <typeinfo> // std::type_info in get_deleter
+#include <cstddef> // std::size_t
+#include <algorithm> // for std::swap
+#include <iosfwd> // for std::basic_ostream
+#include <cstdlib> // for std::abort
+
+#include <bits/gthr.h>
+#include <bits/atomicity.h>
+#include <bits/functexcept.h>
+#include <debug/debug.h>
+
+// namespace std::tr1
+namespace std
+{
+namespace tr1
+{
+
+class bad_weak_ptr : public std::exception
+{
+public:
+
+ virtual char const* what() const throw()
+ {
+ return "tr1::bad_weak_ptr";
+ }
+};
+
+// Helper for exception objects in <tr1/memory>
+// TODO this should be defined in a different file.
+void
+__throw_bad_weak_ptr()
+{
+#if __EXCEPTIONS
+ throw bad_weak_ptr();
+#else
+ std::abort();
+#endif
+}
+
+
+// verify that types are complete for increased safety
+
+template <typename _Tp>
+ inline void
+ checked_delete(_Tp * __x)
+ {
+ // intentionally complex - simplification causes regressions
+ typedef char type_must_be_complete[ sizeof(_Tp)? 1: -1 ];
+ (void) sizeof(type_must_be_complete);
+ delete __x;
+ }
+
+template <typename _Tp>
+ struct checked_deleter
+ {
+ typedef void result_type;
+ typedef _Tp* argument_type;
+
+ void
+ operator()(_Tp * x) const
+ { std::tr1::checked_delete(x); }
+ };
+
+
+class _Sp_counted_base
+{
+public:
+
+ _Sp_counted_base()
+ : _M_use_count(1), _M_weak_count(1)
+ { }
+
+ virtual
+ ~_Sp_counted_base() // nothrow
+ { }
+
+ // dispose() is called when _M_use_count drops to zero, to release
+ // the resources managed by *this.
+ virtual void
+ dispose() = 0; // nothrow
+
+ // destroy() is called when _M_weak_count drops to zero.
+ virtual void
+ destroy() // nothrow
+ {
+ delete this;
+ }
+
+ virtual void*
+ get_deleter(const std::type_info&) = 0;
+
+ void
+ add_ref_copy()
+ {
+ __gnu_cxx::__atomic_add(&_M_use_count, 1);
+ }
+
+ void
+ add_ref_lock()
+ {
+ if (_M_use_count <= 0) // TODO not yet MT safe XXX
+ {
+ __throw_bad_weak_ptr();
+ }
+ __gnu_cxx::__atomic_add(&_M_use_count, 1);
+ }
+
+ void
+ release() // nothrow
+ {
+ if (__gnu_cxx::__exchange_and_add(&_M_use_count, -1) <= 1)
+ {
+ dispose();
+ weak_release();
+ }
+ }
+
+ void
+ weak_add_ref() // nothrow
+ {
+ __gnu_cxx::__atomic_add(&_M_weak_count, 1);
+ }
+
+ void
+ weak_release() // nothrow
+ {
+ if (__gnu_cxx::__exchange_and_add(&_M_weak_count, -1) <= 1)
+ {
+ destroy();
+ }
+ }
+
+ long
+ use_count() const // nothrow
+ {
+ return _M_use_count; // XXX is this MT safe?
+ }
+
+private:
+
+ _Sp_counted_base(_Sp_counted_base const&);
+ _Sp_counted_base& operator= (_Sp_counted_base const&);
+
+ _Atomic_word _M_use_count; // #shared
+ _Atomic_word _M_weak_count; // #weak + (#shared != 0)
+};
+
+template <typename _Ptr, typename _Deleter>
+class _Sp_counted_base_impl : public _Sp_counted_base
+{
+public:
+
+ /**
+ * @brief
+ * @pre d(p) must not throw.
+ */
+ _Sp_counted_base_impl(_Ptr __p, _Deleter __d)
+ : _M_ptr(__p), _M_del(__d)
+ { }
+
+ virtual void
+ dispose() // nothrow
+ {
+ _M_del(_M_ptr);
+ }
+
+ virtual void*
+ get_deleter(const std::type_info& __ti)
+ {
+ return __ti == typeid(_Deleter) ? &_M_del : 0;
+ }
+
+private:
+ _Sp_counted_base_impl(const _Sp_counted_base_impl&);
+ _Sp_counted_base_impl& operator=(const _Sp_counted_base_impl&);
+
+ _Ptr _M_ptr; // copy constructor must not throw
+ _Deleter _M_del; // copy constructor must not throw
+};
+
+class weak_count;
+
+class shared_count
+{
+private:
+
+ _Sp_counted_base* _M_pi;
+
+ friend class weak_count;
+
+public:
+
+ shared_count()
+ : _M_pi(0) // nothrow
+ { }
+
+ template <typename _Ptr, typename _Deleter>
+ shared_count(_Ptr __p, _Deleter __d)
+ : _M_pi(0)
+ {
+ try
+ {
+ _M_pi = new _Sp_counted_base_impl<_Ptr, _Deleter>(__p, __d);
+ }
+ catch(...)
+ {
+ __d(__p); // delete __p
+ __throw_exception_again;
+ }
+ }
+
+ // auto_ptr<_Tp> is special cased to provide the strong guarantee
+
+ template <typename _Tp>
+ explicit shared_count(std::auto_ptr<_Tp>& __r)
+ : _M_pi(new _Sp_counted_base_impl<_Tp*,checked_deleter<_Tp> >(
+ __r.get(), checked_deleter<_Tp>()
+ ))
+ { __r.release(); }
+
+ // throws bad_weak_ptr when __r.use_count() == 0
+ explicit shared_count(const weak_count& __r);
+
+ ~shared_count() // nothrow
+ {
+ if (_M_pi != 0)
+ _M_pi->release();
+ }
+
+ shared_count(const shared_count& __r)
+ : _M_pi(__r._M_pi) // nothrow
+ {
+ if (_M_pi != 0)
+ _M_pi->add_ref_copy();
+ }
+
+ shared_count&
+ operator=(const shared_count& __r) // nothrow
+ {
+ _Sp_counted_base* __tmp = __r._M_pi;
+
+ if(__tmp != _M_pi)
+ {
+ if(__tmp != 0)
+ __tmp->add_ref_copy();
+ if(_M_pi != 0)
+ _M_pi->release();
+ _M_pi = __tmp;
+ }
+ return *this;
+ }
+
+ void swap(shared_count& __r) // nothrow
+ {
+ _Sp_counted_base* __tmp = __r._M_pi;
+ __r._M_pi = _M_pi;
+ _M_pi = __tmp;
+ }
+
+ long
+ use_count() const // nothrow
+ { return _M_pi != 0 ? _M_pi->use_count() : 0; }
+
+ bool
+ unique() const // nothrow
+ { return this->use_count() == 1; }
+
+ friend inline bool
+ operator==(const shared_count& __a, const shared_count& __b)
+ { return __a._M_pi == __b._M_pi; }
+
+ friend inline bool
+ operator<(const shared_count& __a, const shared_count& __b)
+ { return std::less<_Sp_counted_base*>()(__a._M_pi, __b._M_pi); }
+
+ void*
+ get_deleter(const std::type_info& __ti) const
+ { return _M_pi ? _M_pi->get_deleter(__ti) : 0; }
+};
+
+
+class weak_count
+{
+private:
+
+ _Sp_counted_base * _M_pi;
+
+ friend class shared_count;
+
+public:
+
+ weak_count()
+ : _M_pi(0) // nothrow
+ { }
+
+ weak_count(const shared_count& __r)
+ : _M_pi(__r._M_pi) // nothrow
+ {
+ if (_M_pi != 0)
+ _M_pi->weak_add_ref();
+ }
+
+ weak_count(const weak_count& __r)
+ : _M_pi(__r._M_pi) // nothrow
+ {
+ if (_M_pi != 0)
+ _M_pi->weak_add_ref();
+ }
+
+ ~weak_count() // nothrow
+ {
+ if (_M_pi != 0)
+ _M_pi->weak_release();
+ }
+
+ weak_count&
+ operator=(const shared_count& __r) // nothrow
+ {
+ _Sp_counted_base* __tmp = __r._M_pi;
+ if (__tmp != 0)
+ __tmp->weak_add_ref();
+ if (_M_pi != 0)
+ _M_pi->weak_release();
+ _M_pi = __tmp;
+
+ return *this;
+ }
+
+ weak_count&
+ operator=(const weak_count& __r) // nothrow
+ {
+ _Sp_counted_base * __tmp = __r._M_pi;
+ if (__tmp != 0)
+ __tmp->weak_add_ref();
+ if (_M_pi != 0)
+ _M_pi->weak_release();
+ _M_pi = __tmp;
+
+ return *this;
+ }
+
+ void
+ swap(weak_count& __r) // nothrow
+ {
+ _Sp_counted_base * __tmp = __r._M_pi;
+ __r._M_pi = _M_pi;
+ _M_pi = __tmp;
+ }
+
+ long
+ use_count() const // nothrow
+ { return _M_pi != 0 ? _M_pi->use_count() : 0; }
+
+ friend inline bool
+ operator==(const weak_count& __a, const weak_count& __b)
+ { return __a._M_pi == __b._M_pi; }
+
+ friend inline bool
+ operator<(const weak_count& __a, const weak_count& __b)
+ { return std::less<_Sp_counted_base*>()(__a._M_pi, __b._M_pi); }
+};
+
+inline
+shared_count::shared_count(const weak_count& __r)
+: _M_pi(__r._M_pi)
+{
+ if (_M_pi != 0)
+ {
+ _M_pi->add_ref_lock();
+ }
+ else
+ {
+ __throw_bad_weak_ptr();
+ }
+}
+
+// fwd decls
+template <typename _Tp> class weak_ptr;
+template <typename _Tp> class enable_shared_from_this;
+
+struct __static_cast_tag {};
+struct __const_cast_tag {};
+struct __dynamic_cast_tag {};
+struct __polymorphic_cast_tag {};
+
+template<class _Tp> struct shared_ptr_traits
+{
+ typedef _Tp & reference;
+};
+
+template<> struct shared_ptr_traits<void>
+{
+ typedef void reference;
+};
+
+template<> struct shared_ptr_traits<void const>
+{
+ typedef void reference;
+};
+
+template<> struct shared_ptr_traits<void volatile>
+{
+ typedef void reference;
+};
+
+template<> struct shared_ptr_traits<void const volatile>
+{
+ typedef void reference;
+};
+
+
+// enable_shared_from_this support
+
+// friend of enable_shared_from_this
+template <typename _Tp1, typename _Tp2>
+ void
+ __enable_shared_from_this( const shared_count& __pn,
+ const enable_shared_from_this<_Tp1>* __pe,
+ const _Tp2* __px );
+
+inline void
+__enable_shared_from_this(const shared_count&, ...)
+{ }
+
+/**
+ * @class shared_ptr <tr1/memory>
+ *
+ * A smart pointer with reference-counted copy semantics.
+ * The object pointed to is deleted when the last shared_ptr pointing to it
+ * is destroyed or reset.
+ */
+
+template <typename _Tp>
+ class shared_ptr
+ {
+ typedef typename shared_ptr_traits<_Tp>::reference _Reference;
+
+ public:
+
+ typedef _Tp element_type;
+
+ /** @brief Construct an empty %shared_ptr.
+ * @post use_count()==0 && get()==0
+ */
+ shared_ptr() : _M_ptr(0), _M_refcount() // never throws
+ { }
+
+ /** @brief Construct a %shared_ptr that owns the pointer @a p.
+ * @param p A pointer that is convertible to element_type*.
+ * @post use_count()==1 && get()==p
+ * @throw std::bad_alloc, in which case @c delete @a p is called.
+ */
+ template <typename _Tp1>
+ explicit shared_ptr(_Tp1* __p)
+ : _M_ptr(__p), _M_refcount(__p, checked_deleter<_Tp1>())
+ {
+ __glibcxx_function_requires(_ConvertibleConcept<_Tp1*, _Tp*>)
+ // __glibcxx_function_requires(_CompleteConcept<_Tp1*>)
+
+ __enable_shared_from_this( _M_refcount, __p, __p );
+ }
+
+ //
+ // Requirements: D's copy constructor and destructor must not throw
+ //
+ // shared_ptr will release p by calling d(p)
+ //
+ /** @brief Construct a %shared_ptr that owns the pointer @a p
+ * and the deleter @a d.
+ * @param p A pointer.
+ * @param d A deleter.
+ * @post use_count()==1 && get()==p
+ * @throw std::bad_alloc, in which case @a d(p) is called.
+ */
+ template <typename _Tp1, typename _Deleter>
+ shared_ptr(_Tp1* __p, _Deleter __d)
+ : _M_ptr(__p), _M_refcount(__p, __d)
+ {
+ __glibcxx_function_requires(_ConvertibleConcept<_Tp1*, _Tp*>)
+ // TODO requires D is CopyConstructible and d(p) well-formed
+
+ __enable_shared_from_this( _M_refcount, __p, __p );
+ }
+
+ // generated copy constructor, assignment, destructor are fine.
+
+ /** @brief If @a r is empty, constructs an empty %shared_ptr; otherwise
+ * construct a %shared_ptr that shares ownership with @a r.
+ * @param r A %shared_ptr.
+ * @post get()==r.get() && use_count()==r.use_count()
+ * @throw std::bad_alloc, in which case
+ */
+ template <typename _Tp1>
+ shared_ptr(const shared_ptr<_Tp1>& __r)
+ : _M_ptr(__r._M_ptr), _M_refcount(__r._M_refcount) // never throws
+ {
+ __glibcxx_function_requires(_ConvertibleConcept<_Tp1*, _Tp*>)
+ }
+
+ /** @brief Constructs a %shared_ptr that shares ownership with @a r
+ * and stores a copy of the pointer stored in @a r.
+ * @param r A weak_ptr.
+ * @post use_count()==r.use_count()
+ * @throw bad_weak_ptr when r.expired(),
+ * in which case the constructor has no effect.
+ */
+ template <typename _Tp1>
+ explicit shared_ptr(const weak_ptr<_Tp1>& __r)
+ : _M_refcount(__r._M_refcount) // may throw
+ {
+ __glibcxx_function_requires(_ConvertibleConcept<_Tp1*, _Tp*>)
+ // it is now safe to copy r__._M_ptr, as _M_refcount(__r._M_refcount)
+ // did not throw
+ _M_ptr = __r._M_ptr;
+ }
+
+ /**
+ * @post use_count()==1 and r.get()==0
+ */
+ template <typename _Tp1>
+ explicit shared_ptr(std::auto_ptr<_Tp1>& __r)
+ : _M_ptr(__r.get()), _M_refcount()
+ {
+ // TODO requires r.release() convertible to _Tp*, Tp1 is complete,
+ // delete r.release() well-formed
+ _Tp1 * __tmp = __r.get();
+ _M_refcount = shared_count(__r);
+
+ __enable_shared_from_this( _M_refcount, __tmp, __tmp );
+ }
+
+ template <typename _Tp1>
+ shared_ptr(const shared_ptr<_Tp1>& __r, __static_cast_tag)
+ : _M_ptr(static_cast<element_type*>(__r._M_ptr))
+ , _M_refcount(__r._M_refcount)
+ { }
+
+ template <typename _Tp1>
+ shared_ptr(const shared_ptr<_Tp1>& __r, __const_cast_tag)
+ : _M_ptr(const_cast<element_type*>(__r._M_ptr))
+ , _M_refcount(__r._M_refcount)
+ { }
+
+ template <typename _Tp1>
+ shared_ptr(const shared_ptr<_Tp1>& __r, __dynamic_cast_tag)
+ : _M_ptr(dynamic_cast<element_type*>(__r._M_ptr))
+ , _M_refcount(__r._M_refcount)
+ {
+ if (_M_ptr == 0) // need to allocate new counter -- the cast failed
+ {
+ _M_refcount = shared_count();
+ }
+ }
+
+ template <typename _Tp1>
+ shared_ptr&
+ operator=(const shared_ptr<_Tp1>& __r) // never throws
+ {
+ _M_ptr = __r._M_ptr;
+ _M_refcount = __r._M_refcount; // shared_count::op= doesn't throw
+ return *this;
+ }
+
+ template <typename _Tp1>
+ shared_ptr&
+ operator=(std::auto_ptr<_Tp1>& __r)
+ {
+ shared_ptr(__r).swap(*this);
+ return *this;
+ }
+
+ void
+ reset() // never throws
+ { shared_ptr().swap(*this); }
+
+ template <typename _Tp1>
+ void
+ reset(_Tp1* __p) // _Tp1 must be complete
+ {
+ _GLIBCXX_DEBUG_ASSERT(__p == 0 || __p != _M_ptr); // catch self-reset errors
+ shared_ptr(__p).swap(*this);
+ }
+
+ template <typename _Tp1, typename _Deleter>
+ void
+ reset(_Tp1 * __p, _Deleter __d)
+ { shared_ptr(__p, __d).swap(*this); }
+
+ // error to instantiate if _Tp is [cv-qual] void
+ _Reference
+ operator*() const // never throws
+ {
+ _GLIBCXX_DEBUG_ASSERT(_M_ptr != 0);
+ return *_M_ptr;
+ }
+
+ _Tp*
+ operator->() const // never throws
+ {
+ _GLIBCXX_DEBUG_ASSERT(_M_ptr != 0);
+ return _M_ptr;
+ }
+
+ _Tp*
+ get() const // never throws
+ { return _M_ptr; }
+
+ // implicit conversion to "bool"
+ private:
+ typedef _Tp* shared_ptr::*__unspecified_bool_type;
+
+ public:
+ operator __unspecified_bool_type() const // never throws
+ { return _M_ptr == 0 ? 0 : &shared_ptr::_M_ptr; }
+
+ bool
+ unique() const // never throws
+ { return _M_refcount.unique(); }
+
+ long
+ use_count() const // never throws
+ { return _M_refcount.use_count(); }
+
+ void
+ swap(shared_ptr<_Tp>& __other) // never throws
+ {
+ std::swap(_M_ptr, __other._M_ptr);
+ _M_refcount.swap(__other._M_refcount);
+ }
+
+ private:
+ template <typename _Tp1>
+ bool
+ _M_less(const shared_ptr<_Tp1>& __rhs) const
+ { return _M_refcount < __rhs._M_refcount; }
+
+ void*
+ _M_get_deleter(const std::type_info& __ti) const
+ { return _M_refcount.get_deleter(__ti); }
+
+ template <typename _Tp1> friend class shared_ptr;
+ template <typename _Tp1> friend class weak_ptr;
+
+ // friends injected into enclosing namespace and found by ADL:
+
+ // get_deleter (experimental)
+ template <typename _Del>
+ friend inline _Del*
+ get_deleter(const shared_ptr& __p)
+ { return static_cast<_Del*>(__p._M_get_deleter(typeid(_Del))); }
+
+ template <typename _Tp1>
+ friend inline bool
+ operator==(const shared_ptr& __a, const shared_ptr<_Tp1>& __b)
+ { return __a.get() == __b.get(); }
+
+ template <typename _Tp1>
+ friend inline bool
+ operator!=(const shared_ptr& __a, const shared_ptr<_Tp1>& __b)
+ { return __a.get() != __b.get(); }
+
+ template <typename _Tp1>
+ friend inline bool
+ operator<(const shared_ptr& __a, const shared_ptr<_Tp1>& __b)
+ { return __a._M_less(__b); }
+
+ _Tp* _M_ptr; // contained pointer
+ shared_count _M_refcount; // reference counter
+ }; // shared_ptr
+
+// 2.2.3.9 shared_ptr casts
+
+/** @warning The seemingly equivalent
+ * <code>shared_ptr<T>(static_cast<T*>(r.get()))</code>
+ * will eventually result in undefined behaviour,
+ * attempting to delete the same object twice.
+ */
+template <typename _Tp, typename _Tp1>
+ shared_ptr<_Tp>
+ static_pointer_cast(const shared_ptr<_Tp1>& __r)
+ {
+ return shared_ptr<_Tp>(__r, __static_cast_tag());
+ }
+
+/** @warning The seemingly equivalent
+ * <code>shared_ptr<T>(const_cast<T*>(r.get()))</code>
+ * will eventually result in undefined behaviour,
+ * attempting to delete the same object twice.
+ */
+template <typename _Tp, typename _Tp1>
+ shared_ptr<_Tp>
+ const_pointer_cast(const shared_ptr<_Tp1>& __r)
+ {
+ return shared_ptr<_Tp>(__r, __const_cast_tag());
+ }
+
+/** @warning The seemingly equivalent
+ * <code>shared_ptr<T>(dynamic_cast<T*>(r.get()))</code>
+ * will eventually result in undefined behaviour,
+ * attempting to delete the same object twice.
+ */
+template <typename _Tp, typename _Tp1>
+ shared_ptr<_Tp>
+ dynamic_pointer_cast(const shared_ptr<_Tp1>& __r)
+ {
+ return shared_ptr<_Tp>(__r, __dynamic_cast_tag());
+ }
+
+// operator<<
+template <typename _Ch, typename _Tr, typename _Tp>
+ std::basic_ostream<_Ch,_Tr>&
+ operator<<(std::basic_ostream<_Ch,_Tr>& __os, const shared_ptr<_Tp>& __p)
+ {
+ __os << __p.get();
+ return __os;
+ }
+
+
+template <typename _Tp>
+ class weak_ptr
+ {
+ public:
+
+ typedef _Tp element_type;
+
+ weak_ptr()
+ : _M_ptr(0), _M_refcount() // never throws
+ { }
+
+ // generated copy constructor, assignment, destructor are fine
+
+ //
+ // The "obvious" converting constructor implementation:
+ //
+ // template<class Y>
+ // weak_ptr(weak_ptr<Y> const & r): _M_ptr(r._M_ptr), _M_refcount(r._M_refcount) // never throws
+ // {
+ // }
+ //
+ // has a serious problem.
+ //
+ // r._M_ptr may already have been invalidated. The _M_ptr(r._M_ptr)
+ // conversion may require access to *r._M_ptr (virtual inheritance).
+ //
+ // It is not possible to avoid spurious access violations since
+ // in multithreaded programs r._M_ptr may be invalidated at any point.
+ //
+
+ template <typename _Tp1>
+ weak_ptr(const weak_ptr<_Tp1>& r)
+ : _M_refcount(r._M_refcount) // never throws
+ {
+ __glibcxx_function_requires(_ConvertibleConcept<_Tp1*, _Tp*>)
+ _M_ptr = r.lock().get();
+ }
+
+ template <typename _Tp1>
+ weak_ptr(const shared_ptr<_Tp1>& r)
+ : _M_ptr(r._M_ptr), _M_refcount(r._M_refcount) // never throws
+ {
+ __glibcxx_function_requires(_ConvertibleConcept<_Tp1*, _Tp*>)
+ }
+
+ template <typename _Tp1>
+ weak_ptr&
+ operator=(const weak_ptr<_Tp1>& r) // never throws
+ {
+ _M_ptr = r.lock().get();
+ _M_refcount = r._M_refcount;
+ return *this;
+ }
+
+ template <typename _Tp1>
+ weak_ptr&
+ operator=(const shared_ptr<_Tp1>& r) // never throws
+ {
+ _M_ptr = r._M_ptr;
+ _M_refcount = r._M_refcount;
+ return *this;
+ }
+
+ shared_ptr<_Tp>
+ lock() const // never throws
+ {
+#ifdef __GTHREADS
+
+ // optimization: avoid throw overhead
+ if (expired())
+ {
+ return shared_ptr<element_type>();
+ }
+
+ try
+ {
+ return shared_ptr<element_type>(*this);
+ }
+ catch (const bad_weak_ptr&)
+ {
+ // Q: how can we get here?
+ // A: another thread may have invalidated r after the use_count test above.
+ return shared_ptr<element_type>();
+ }
+
+#else
+
+ // optimization: avoid try/catch overhead when single threaded
+ return expired() ? shared_ptr<element_type>() : shared_ptr<element_type>(*this);
+
+#endif
+ } // XXX MT
+
+
+ long
+ use_count() const // never throws
+ { return _M_refcount.use_count(); }
+
+ bool
+ expired() const // never throws
+ { return _M_refcount.use_count() == 0; }
+
+ void
+ reset() // never throws
+ { weak_ptr().swap(*this); }
+
+ void
+ swap(weak_ptr& __s) // never throws
+ {
+ std::swap(_M_ptr, __s._M_ptr);
+ _M_refcount.swap(__s._M_refcount);
+ }
+
+ private:
+
+ template <typename _Tp1>
+ bool
+ _M_less(const weak_ptr<_Tp1>& __rhs) const
+ { return _M_refcount < __rhs._M_refcount; }
+
+ // used by __enable_shared_from_this
+ void
+ _M_assign(_Tp* __ptr, const shared_count& __refcount)
+ {
+ _M_ptr = __ptr;
+ _M_refcount = __refcount;
+ }
+
+ // friend injected into namespace and found by ADL
+
+ template <typename _Tp1>
+ friend inline bool
+ operator<(const weak_ptr& __lhs, const weak_ptr<_Tp1>& __rhs)
+ { return __lhs._M_less(__rhs); }
+
+ template <typename _Tp1> friend class weak_ptr;
+ template <typename _Tp1> friend class shared_ptr;
+ friend class enable_shared_from_this<_Tp>;
+
+ _Tp* _M_ptr; // contained pointer
+ weak_count _M_refcount; // reference counter
+
+ }; // weak_ptr
+
+
+
+template <typename _Tp>
+ class enable_shared_from_this
+ {
+ protected:
+
+ enable_shared_from_this()
+ { }
+
+ enable_shared_from_this(const enable_shared_from_this&)
+ { }
+
+ enable_shared_from_this&
+ operator=(const enable_shared_from_this&)
+ { return *this; }
+
+ ~enable_shared_from_this()
+ { }
+
+ public:
+
+ shared_ptr<_Tp>
+ shared_from_this()
+ {
+ shared_ptr<_Tp> p(this->_M_weak_this);
+ return p;
+ }
+
+ shared_ptr<const _Tp>
+ shared_from_this() const
+ {
+ shared_ptr<const _Tp> p(this->_M_weak_this);
+ return p;
+ }
+
+ private:
+ template <typename _Tp1>
+ void
+ _M_weak_assign(_Tp1* __p, const shared_count& __n) const
+ { _M_weak_this._M_assign(__p, __n); }
+
+ template <typename _Tp1>
+ friend void
+ __enable_shared_from_this( const shared_count& __pn, const enable_shared_from_this* __pe, const _Tp1* __px)
+ {
+ if(__pe != 0)
+ __pe->_M_weak_assign(const_cast<_Tp1*>(__px), __pn);
+ }
+
+ mutable weak_ptr<_Tp> _M_weak_this;
+ };
+
+} // namespace tr1
+
+/**
+ * @brief std::swap() specialisation for shared_ptr.
+ * @relates shared_ptr.
+ */
+template <typename _Tp>
+ inline void
+ swap(tr1::shared_ptr<_Tp>& __a, tr1::shared_ptr<_Tp>& __b)
+ {
+ __a.swap(__b);
+ }
+
+/**
+ * @brief std::swap() specialisation for weak_ptr.
+ * @relates weak_ptr.
+ */
+template <typename _Tp>
+ void
+ swap(tr1::weak_ptr<_Tp>& __a, tr1::weak_ptr<_Tp>& __b)
+ {
+ __a.swap(__b);
+ }
+
+} // namespace std
+
+#endif
--- /dev/null
+// { dg-do run { xfail *-*-* } }
+// Copyright (C) 2005 Free Software Foundation
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING. If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// 2.2.5 Template class enable_shared_from_this [tr.util.smartptr.enab]
+
+#include <tr1/memory>
+#include <testsuite_hooks.h>
+
+struct X : public std::tr1::enable_shared_from_this<X>
+{
+};
+
+int
+test01()
+{
+ bool test __attribute__((unused)) = true;
+
+ X x;
+
+ try
+ {
+ std::tr1::shared_ptr<X> p = x.shared_from_this();
+ }
+ catch (const std::tr1::bad_weak_ptr&)
+ {
+ __throw_exception_again;
+ }
+ catch (...)
+ {
+ }
+
+ return 0;
+}
+
+int
+main()
+{
+ test01();
+ return 0;
+}
--- /dev/null
+// { dg-do run { xfail *-*-* } }
+// Copyright (C) 2005 Free Software Foundation
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING. If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// 2.2.5 Template class enable_shared_from_this [tr.util.smartptr.enab]
+
+#include <tr1/memory>
+#include <testsuite_hooks.h>
+
+struct X : public std::tr1::enable_shared_from_this<X>
+{
+};
+
+int
+test01()
+{
+ bool test __attribute__((unused)) = true;
+
+ std::tr1::shared_ptr<X> p(new X);
+
+ X x(*p); // copy of shared object should not be shared
+
+ try
+ {
+ std::tr1::shared_ptr<X> p = x.shared_from_this();
+ }
+ catch (const std::tr1::bad_weak_ptr&)
+ {
+ __throw_exception_again;
+ }
+
+ return 0;
+}
+
+int
+main()
+{
+ test01();
+ return 0;
+}
--- /dev/null
+// { dg-do run { xfail *-*-* } }
+// Copyright (C) 2005 Free Software Foundation
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING. If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// 2.2.5 Template class enable_shared_from_this [tr.util.smartptr.enab]
+
+#include <tr1/memory>
+#include <testsuite_hooks.h>
+
+struct X : public std::tr1::enable_shared_from_this<X>
+{
+};
+
+int
+test01()
+{
+ bool test __attribute__((unused)) = true;
+
+ std::tr1::shared_ptr<X> p(new X);
+
+ X x;
+ x = *p; // copy of shared object should not be shared
+
+ try
+ {
+ std::tr1::shared_ptr<X> p = x.shared_from_this();
+ }
+ catch (const std::tr1::bad_weak_ptr&)
+ {
+ __throw_exception_again;
+ }
+
+ return 0;
+}
+
+
+int
+main()
+{
+ test01();
+ return 0;
+}
--- /dev/null
+// Copyright (C) 2005 Free Software Foundation
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING. If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// 2.2.5 Template class enable_shared_from_this [tr.util.smartptr.enab]
+
+#include <tr1/memory>
+#include <testsuite_hooks.h>
+
+struct X : public std::tr1::enable_shared_from_this<X>
+{
+};
+
+int
+test01()
+{
+ bool test __attribute__((unused)) = true;
+
+ std::tr1::shared_ptr<X> p(new X);
+ std::tr1::shared_ptr<X> q = p->shared_from_this();
+ VERIFY( p == q );
+ VERIFY( !(p < q) && !(q < p) ); // p and q share ownership
+
+ return 0;
+}
+
+int
+main()
+{
+ test01();
+ return 0;
+}
--- /dev/null
+// Copyright (C) 2005 Free Software Foundation
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING. If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// 2.2.5 Template class enable_shared_from_this [tr.util.smartptr.enab]
+
+#include <tr1/memory>
+#include <testsuite_hooks.h>
+
+struct X : public std::tr1::enable_shared_from_this<X>
+{
+};
+
+int
+test01()
+{
+ bool test __attribute__((unused)) = true;
+
+ std::tr1::shared_ptr<X> p(new X);
+
+ *p = X(); // assigning to shared object doesn't stop it being shared
+
+ try
+ {
+ std::tr1::shared_ptr<X> p2 = p->shared_from_this();
+ }
+ catch (const std::tr1::bad_weak_ptr&)
+ {
+ test = false;
+ }
+ VERIFY( test );
+
+ return 0;
+}
+
+int
+main()
+{
+ test01();
+ return 0;
+}
--- /dev/null
+// Copyright (C) 2005 Free Software Foundation
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING. If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// TR1 2.2.2 Template class shared_ptr [tr.util.smartptr.shared]
+
+#include <tr1/memory>
+#include <testsuite_hooks.h>
+
+struct A
+{
+ A() { ++ctor_count; }
+ virtual ~A() { ++dtor_count; }
+ static long ctor_count;
+ static long dtor_count;
+};
+long A::ctor_count = 0;
+long A::dtor_count = 0;
+
+struct reset_count_struct
+{
+ ~reset_count_struct()
+ {
+ A::ctor_count = 0;
+ A::dtor_count = 0;
+ }
+};
+
+
+// 2.2.3.3 shared_ptr assignment [tr.util.smartptr.shared.assign]
+
+// Assignment from shared_ptr<Y>
+int
+test01()
+{
+ reset_count_struct __attribute__((unused)) reset;
+ bool test __attribute__((unused)) = true;
+
+ std::tr1::shared_ptr<A> a;
+
+ a = std::tr1::shared_ptr<A>(new A);
+ VERIFY( a.get() != 0 );
+ VERIFY( A::ctor_count == 1 );
+ VERIFY( A::dtor_count == 0 );
+
+ a = std::tr1::shared_ptr<A>();
+ VERIFY( a.get() == 0 );
+ VERIFY( A::ctor_count == 1 );
+ VERIFY( A::dtor_count == 1 );
+}
+
+int
+main()
+{
+ test01();
+ return 0;
+}
--- /dev/null
+// Copyright (C) 2005 Free Software Foundation
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING. If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// TR1 2.2.2 Template class shared_ptr [tr.util.smartptr.shared]
+
+#include <tr1/memory>
+#include <testsuite_hooks.h>
+
+struct A
+{
+ A() { ++ctor_count; }
+ virtual ~A() { ++dtor_count; }
+ static long ctor_count;
+ static long dtor_count;
+};
+long A::ctor_count = 0;
+long A::dtor_count = 0;
+
+struct B : A
+{
+ B() { ++ctor_count; }
+ virtual ~B() { ++dtor_count; }
+ static long ctor_count;
+ static long dtor_count;
+};
+long B::ctor_count = 0;
+long B::dtor_count = 0;
+
+
+struct reset_count_struct
+{
+ ~reset_count_struct()
+ {
+ A::ctor_count = 0;
+ A::dtor_count = 0;
+ B::ctor_count = 0;
+ B::dtor_count = 0;
+ }
+};
+
+
+// 2.2.3.3 shared_ptr assignment [tr.util.smartptr.shared.assign]
+
+// Assignment from auto_ptr<Y>
+int
+test01()
+{
+ reset_count_struct __attribute__((unused)) reset;
+ bool test __attribute__((unused)) = true;
+
+ std::tr1::shared_ptr<A> a(new A);
+ std::auto_ptr<B> b(new B);
+ a = b;
+ VERIFY( a.get() != 0 );
+ VERIFY( b.get() == 0 );
+ VERIFY( A::ctor_count == 2 );
+ VERIFY( A::dtor_count == 1 );
+ VERIFY( B::ctor_count == 1 );
+ VERIFY( B::dtor_count == 0 );
+
+ return 0;
+}
+
+int
+main()
+{
+ test01();
+ return 0;
+}
--- /dev/null
+// Copyright (C) 2005 Free Software Foundation
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING. If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// TR1 2.2.2 Template class shared_ptr [tr.util.smartptr.shared]
+
+#include <tr1/memory>
+#include <testsuite_hooks.h>
+
+struct A { };
+struct B { };
+
+// 2.2.3.3 shared_ptr assignment [tr.util.smartptr.shared.assign]
+
+// Assignment from incompatible auto_ptr<Y>
+int
+test01()
+{
+ bool test __attribute__((unused)) = true;
+
+ std::tr1::shared_ptr<A> a;
+ std::auto_ptr<B> b;
+ a = b; // { dg-error "here" }
+
+ return 0;
+}
+
+int
+main()
+{
+ test01();
+ return 0;
+}
+// { dg-error "In constructor" "" { target *-*-* } 0 }
+// { dg-error "cannot convert" "" { target *-*-* } 0 }
+// { dg-error "instantiated from" "" { target *-*-* } 0 }
--- /dev/null
+// Copyright (C) 2005 Free Software Foundation
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING. If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// TR1 2.2.2 Template class shared_ptr [tr.util.smartptr.shared]
+
+#include <tr1/memory>
+#include <testsuite_hooks.h>
+
+struct A { };
+std::auto_ptr<A> source() { return std::auto_ptr<A>(); }
+
+// 2.2.3.3 shared_ptr assignment [tr.util.smartptr.shared.assign]
+
+// Assignment from rvalue auto_ptr
+int
+test01()
+{
+ bool test __attribute__((unused)) = true;
+
+ std::tr1::shared_ptr<A> a;
+ a = source(); // { dg-error "no match" }
+
+ return 0;
+}
+
+int
+main()
+{
+ test01();
+ return 0;
+}
+// { dg-error "auto_ptr" "" { target *-*-* } 0 }
+// { dg-error "shared_ptr" "" { target *-*-* } 0 }
--- /dev/null
+// Copyright (C) 2005 Free Software Foundation
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING. If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// TR1 2.2.2 Template class shared_ptr [tr.util.smartptr.shared]
+
+#include <tr1/memory>
+#include <testsuite_hooks.h>
+
+struct A
+{
+ A() { ++ctor_count; }
+ virtual ~A() { ++dtor_count; }
+ static long ctor_count;
+ static long dtor_count;
+};
+long A::ctor_count = 0;
+long A::dtor_count = 0;
+
+struct B : A
+{
+ B() { ++ctor_count; }
+ virtual ~B() { ++dtor_count; }
+ static long ctor_count;
+ static long dtor_count;
+};
+long B::ctor_count = 0;
+long B::dtor_count = 0;
+
+
+struct reset_count_struct
+{
+ ~reset_count_struct()
+ {
+ A::ctor_count = 0;
+ A::dtor_count = 0;
+ B::ctor_count = 0;
+ B::dtor_count = 0;
+ }
+};
+
+
+// 2.2.3.3 shared_ptr assignment [tr.util.smartptr.shared.assign]
+
+// Assignment from shared_ptr<Y>
+int
+test01()
+{
+ reset_count_struct __attribute__((unused)) reset;
+ bool test __attribute__((unused)) = true;
+
+ std::tr1::shared_ptr<A> a;
+
+ a = std::tr1::shared_ptr<A>();
+ VERIFY( a.get() == 0 );
+ VERIFY( A::ctor_count == 0 );
+ VERIFY( A::dtor_count == 0 );
+ VERIFY( B::ctor_count == 0 );
+ VERIFY( B::dtor_count == 0 );
+
+ a = std::tr1::shared_ptr<A>(new A);
+ VERIFY( a.get() != 0 );
+ VERIFY( A::ctor_count == 1 );
+ VERIFY( A::dtor_count == 0 );
+ VERIFY( B::ctor_count == 0 );
+ VERIFY( B::dtor_count == 0 );
+
+ a = std::tr1::shared_ptr<B>(new B);
+ VERIFY( a.get() != 0 );
+ VERIFY( A::ctor_count == 2 );
+ VERIFY( A::dtor_count == 1 );
+ VERIFY( B::ctor_count == 1 );
+ VERIFY( B::dtor_count == 0 );
+}
+
+int
+main()
+{
+ test01();
+ return 0;
+}
--- /dev/null
+// Copyright (C) 2005 Free Software Foundation
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING. If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// TR1 2.2.2 Template class shared_ptr [tr.util.smartptr.shared]
+
+#include <tr1/memory>
+#include <testsuite_hooks.h>
+
+struct A { };
+struct B { };
+
+// 2.2.3.3 shared_ptr assignment [tr.util.smartptr.shared.assign]
+
+// Assignment from incompatible shared_ptr<Y>
+int
+test01()
+{
+ bool test __attribute__((unused)) = true;
+
+ std::tr1::shared_ptr<A> a;
+ std::tr1::shared_ptr<B> b;
+ a = b; // { dg-error "here" }
+
+ return 0;
+}
+
+int
+main()
+{
+ test01();
+ return 0;
+}
+// { dg-error "In member function" "" { target *-*-* } 0 }
+// { dg-error "cannot convert" "" { target *-*-* } 0 }
--- /dev/null
+// Copyright (C) 2005 Free Software Foundation
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING. If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// TR1 2.2.2 Template class shared_ptr [tr.util.smartptr.shared]
+
+#include <tr1/memory>
+#include <testsuite_hooks.h>
+
+struct A
+{
+ virtual ~A() { }
+};
+
+struct B : A
+{
+};
+
+// 2.2.3.6 shared_ptr comparison [tr.util.smartptr.shared.cmp]
+
+int
+test01()
+{
+ // test empty shared_ptrs compare equivalent
+ std::tr1::shared_ptr<A> p1;
+ std::tr1::shared_ptr<B> p2;
+ VERIFY( p1 == p2 );
+ VERIFY( !(p1 != p2) );
+ VERIFY( !(p1 < p2) && !(p2 < p1) );
+ return 0;
+}
+
+
+// Construction from pointer
+int
+test02()
+{
+ std::tr1::shared_ptr<A> A_default;
+
+ std::tr1::shared_ptr<A> A_from_A(new A);
+ VERIFY( A_default != A_from_A );
+ VERIFY( !(A_default == A_from_A) );
+ VERIFY( (A_default < A_from_A) || (A_from_A < A_default) );
+
+ std::tr1::shared_ptr<B> B_from_B(new B);
+ VERIFY( B_from_B != A_from_A );
+ VERIFY( !(B_from_B == A_from_A) );
+ VERIFY( (B_from_B < A_from_A) || (A_from_A < B_from_B) );
+
+ A_from_A.reset();
+ VERIFY( A_default == A_from_A );
+ VERIFY( !(A_default != A_from_A) );
+ VERIFY( !(A_default < A_from_A) && !(A_from_A < A_default) );
+
+ B_from_B.reset();
+ VERIFY( B_from_B == A_from_A );
+ VERIFY( !(B_from_B != A_from_A) );
+ VERIFY( !(B_from_B < A_from_A) && !(A_from_A < B_from_B) );
+
+ return 0;
+}
+
+int
+main()
+{
+ test01();
+ test02();
+ return 0;
+}
--- /dev/null
+// Copyright (C) 2005 Free Software Foundation
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING. If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// TR1 2.2.2 Template class shared_ptr [tr.util.smartptr.shared]
+
+#include <tr1/memory>
+#include <testsuite_hooks.h>
+
+struct A { };
+
+// 2.2.3.1 shared_ptr constructors [tr.util.smartptr.shared.const]
+
+// Construction from auto_ptr
+int
+test01()
+{
+ bool test __attribute__((unused)) = true;
+
+ std::auto_ptr<A> a(new A);
+ std::tr1::shared_ptr<A> a2(a);
+ VERIFY( a.get() == 0 );
+ VERIFY( a2.get() != 0 );
+ VERIFY( a2.use_count() == 1 );
+
+ return 0;
+}
+
+int
+main()
+{
+ test01();
+ return 0;
+}
--- /dev/null
+// Copyright (C) 2005 Free Software Foundation
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING. If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// TR1 2.2.2 Template class shared_ptr [tr.util.smartptr.shared]
+
+#include <tr1/memory>
+#include <testsuite_hooks.h>
+
+struct A { };
+
+// 2.2.3.3 shared_ptr assignment [tr.util.smartptr.shared.const]
+
+// Construction from const auto_ptr
+int
+test01()
+{
+ bool test __attribute__((unused)) = true;
+
+ const std::auto_ptr<A> a;
+ std::tr1::shared_ptr<A> p(a); // { dg-error "no match" }
+
+ return 0;
+}
+
+int
+main()
+{
+ test01();
+ return 0;
+}
+// { dg-error "shared_ptr" "candidates are" { target *-*-* } 499 }
+
+// { dg-error "shared_ptr" "" { target *-*-* } 489 }
--- /dev/null
+// Copyright (C) 2005 Free Software Foundation
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING. If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// TR1 2.2.2 Template class shared_ptr [tr.util.smartptr.shared]
+
+#include <tr1/memory>
+#include <testsuite_hooks.h>
+
+struct A
+{
+ A() { ++ctor_count; }
+ virtual ~A() { ++dtor_count; }
+ static long ctor_count;
+ static long dtor_count;
+};
+long A::ctor_count = 0;
+long A::dtor_count = 0;
+
+struct B : A
+{
+ B() { ++ctor_count; }
+ virtual ~B() { ++dtor_count; }
+ static long ctor_count;
+ static long dtor_count;
+};
+long B::ctor_count = 0;
+long B::dtor_count = 0;
+
+void deleter(A* p) { delete p; }
+
+struct reset_count_struct
+{
+ ~reset_count_struct()
+ {
+ A::ctor_count = 0;
+ A::dtor_count = 0;
+ B::ctor_count = 0;
+ B::dtor_count = 0;
+ }
+};
+
+// 2.2.3.1 shared_ptr constructors [tr.util.smartptr.shared.const]
+
+// Copy construction
+int test01()
+{
+ reset_count_struct __attribute__((unused)) reset;
+ bool test __attribute__((unused)) = true;
+
+ std::tr1::shared_ptr<A> a1;
+ std::tr1::shared_ptr<A> a2(a1);
+ VERIFY( a2.use_count() == 0 );
+ VERIFY( A::ctor_count == 0 );
+ VERIFY( A::dtor_count == 0 );
+ VERIFY( B::ctor_count == 0 );
+ VERIFY( B::dtor_count == 0 );
+
+ return 0;
+}
+
+int
+test02()
+{
+ reset_count_struct __attribute__((unused)) reset;
+ bool test __attribute__((unused)) = true;
+
+ std::tr1::shared_ptr<A> a1(new A);
+ std::tr1::shared_ptr<A> a2(a1);
+ VERIFY( a2.use_count() == 2 );
+ VERIFY( A::ctor_count == 1 );
+ VERIFY( A::dtor_count == 0 );
+ VERIFY( B::ctor_count == 0 );
+ VERIFY( B::dtor_count == 0 );
+
+ return 0;
+}
+
+int
+test03()
+{
+ reset_count_struct __attribute__((unused)) reset;
+ bool test __attribute__((unused)) = true;
+
+ std::tr1::shared_ptr<B> b(new B);
+ std::tr1::shared_ptr<A> a(b);
+ VERIFY( a.use_count() == 2 );
+ VERIFY( A::ctor_count == 1 );
+ VERIFY( A::dtor_count == 0 );
+ VERIFY( B::ctor_count == 1 );
+ VERIFY( B::dtor_count == 0 );
+
+ return 0;
+}
+
+int
+test04()
+{
+ reset_count_struct __attribute__((unused)) reset;
+ bool test __attribute__((unused)) = true;
+
+ std::tr1::shared_ptr<B> b(new B, &deleter);
+ std::tr1::shared_ptr<A> a(b);
+ VERIFY( a.use_count() == 2 );
+ VERIFY( A::ctor_count == 1 );
+ VERIFY( A::dtor_count == 0 );
+ VERIFY( B::ctor_count == 1 );
+ VERIFY( B::dtor_count == 0 );
+
+ return 0;
+}
+
+int
+main()
+{
+ test01();
+ test02();
+ test03();
+ test04();
+ return 0;
+}
--- /dev/null
+// Copyright (C) 2005 Free Software Foundation
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING. If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// TR1 2.2.2 Template class shared_ptr [tr.util.smartptr.shared]
+
+#include <tr1/memory>
+#include <testsuite_hooks.h>
+
+struct A { };
+
+// 2.2.3.1 shared_ptr constructors [tr.util.smartptr.shared.const]
+
+// Default construction
+int
+test01()
+{
+ bool test __attribute__((unused)) = true;
+
+ std::tr1::shared_ptr<A> a;
+ VERIFY( a.get() == 0 );
+
+ return 0;
+}
+
+int
+main()
+{
+ test01();
+ return 0;
+}
--- /dev/null
+// Copyright (C) 2005 Free Software Foundation
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING. If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// TR1 2.2.2 Template class shared_ptr [tr.util.smartptr.shared]
+
+#include <tr1/memory>
+#include <testsuite_hooks.h>
+
+struct A { };
+struct B : A { };
+
+
+// 2.2.3.1 shared_ptr constructors [tr.util.smartptr.shared.const]
+
+// Construction from pointer
+
+int
+test01()
+{
+ bool test __attribute__((unused)) = true;
+
+ A * const a = 0;
+ std::tr1::shared_ptr<A> p(a);
+ VERIFY( p.get() == 0 );
+ VERIFY( p.use_count() == 1 );
+
+ return 0;
+}
+
+int
+test02()
+{
+ bool test __attribute__((unused)) = true;
+
+ A * const a = new A;
+ std::tr1::shared_ptr<A> p(a);
+ VERIFY( p.get() == a );
+ VERIFY( p.use_count() == 1 );
+
+ return 0;
+}
+
+
+int
+test03()
+{
+ bool test __attribute__((unused)) = true;
+
+ B * const b = new B;
+ std::tr1::shared_ptr<A> p(b);
+ VERIFY( p.get() == b );
+ VERIFY( p.use_count() == 1 );
+
+ return 0;
+}
+
+int
+main()
+{
+ test01();
+ test02();
+ test02();
+ return 0;
+}
--- /dev/null
+// Copyright (C) 2005 Free Software Foundation
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING. If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// TR1 2.2.2 Template class shared_ptr [tr.util.smartptr.shared]
+
+#include <tr1/memory>
+#include <testsuite_hooks.h>
+
+struct A { };
+
+// 2.2.3.1 shared_ptr constructors [tr.util.smartptr.shared.const]
+
+// Construction from weak_ptr
+int
+test01()
+{
+ bool test __attribute__((unused)) = true;
+
+ A * const a = new A;
+ std::tr1::shared_ptr<A> a1(a);
+ std::tr1::weak_ptr<A> wa(a1);
+ std::tr1::shared_ptr<A> a2(wa);
+ VERIFY( a2.get() == a );
+ VERIFY( a2.use_count() == wa.use_count() );
+
+ return 0;
+}
+
+
+int
+main()
+{
+ test01();
+ return 0;
+}
--- /dev/null
+// Copyright (C) 2005 Free Software Foundation
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING. If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// TR1 2.2.2 Template class shared_ptr [tr.util.smartptr.shared]
+
+#include <tr1/memory>
+#include <testsuite_hooks.h>
+
+struct A { };
+
+// 2.2.3.1 shared_ptr constructors [tr.util.smartptr.shared.const]
+
+// Construction from expired weak_ptr
+int
+test01()
+{
+ bool test __attribute__((unused)) = true;
+
+ std::tr1::shared_ptr<A> a1(new A);
+ std::tr1::weak_ptr<A> wa(a1);
+ a1.reset();
+ try
+ {
+ std::tr1::shared_ptr<A> a2(wa);
+ }
+ catch (const std::tr1::bad_weak_ptr&)
+ {
+ // Expected.
+ }
+ catch (...)
+ {
+ // Failed.
+ __throw_exception_again;
+ }
+ VERIFY( wa.expired() );
+
+ return 0;
+}
+
+int
+main()
+{
+ test01();
+ return 0;
+}
--- /dev/null
+// Copyright (C) 2005 Free Software Foundation
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING. If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// TR1 2.2.2 Template class shared_ptr [tr.util.smartptr.shared]
+
+#include <tr1/memory>
+#include <testsuite_hooks.h>
+
+struct A
+{
+ A() { ++ctor_count; }
+ ~A() { ++dtor_count; }
+ static long ctor_count;
+ static long dtor_count;
+};
+long A::ctor_count = 0;
+long A::dtor_count = 0;
+
+struct B : A
+{
+ B() { ++ctor_count; }
+ ~B() { ++dtor_count; }
+ static long ctor_count;
+ static long dtor_count;
+};
+long B::ctor_count = 0;
+long B::dtor_count = 0;
+
+struct D
+{
+ void operator()(const B* p) { delete p; ++delete_count; }
+ static long delete_count;
+};
+long D::delete_count = 0;
+
+struct reset_count_struct
+{
+ ~reset_count_struct()
+ {
+ A::ctor_count = 0;
+ A::dtor_count = 0;
+ B::ctor_count = 0;
+ B::dtor_count = 0;
+ D::delete_count = 0;
+ }
+};
+
+
+// 2.2.3.2 shared_ptr destructor [tr.util.smartptr.shared.dest]
+
+// empty shared_ptr
+int
+test01()
+{
+ reset_count_struct __attribute__((unused)) reset;
+ bool test __attribute__((unused)) = true;
+
+ {
+ std::tr1::shared_ptr<A> a;
+ }
+ VERIFY( A::ctor_count == 0 );
+ VERIFY( A::dtor_count == 0 );
+ VERIFY( B::ctor_count == 0 );
+ VERIFY( B::dtor_count == 0 );
+ VERIFY( D::delete_count == 0 );
+
+ return 0;
+}
+
+// shared ownership
+int
+test02()
+{
+ reset_count_struct __attribute__((unused)) reset;
+ bool test __attribute__((unused)) = true;
+
+ std::tr1::shared_ptr<A> a;
+ {
+ a = std::tr1::shared_ptr<A>(new B, D());
+ }
+ VERIFY( A::ctor_count == 1 );
+ VERIFY( A::dtor_count == 0 );
+ VERIFY( B::ctor_count == 1 );
+ VERIFY( B::dtor_count == 0 );
+ VERIFY( D::delete_count == 0 );
+
+ return 0;
+}
+
+// exclusive ownership
+int
+test03()
+{
+ reset_count_struct __attribute__((unused)) reset;
+ bool test __attribute__((unused)) = true;
+
+ {
+ std::tr1::shared_ptr<A> a1(new B);
+ std::tr1::shared_ptr<A> a2(new B, D());
+ }
+ VERIFY( A::ctor_count == 2 );
+ VERIFY( A::dtor_count == 2 );
+ VERIFY( B::ctor_count == 2 );
+ VERIFY( B::dtor_count == 2 );
+ VERIFY( D::delete_count == 1 );
+
+ return 0;
+}
+
+
+int
+main()
+{
+ test01();
+ test02();
+ test03();
+ return 0;
+}
--- /dev/null
+// Copyright (C) 2005 Free Software Foundation
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING. If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// TR1 2.2.2 Template class shared_ptr [tr.util.smartptr.shared]
+
+#include <tr1/memory>
+#include <sstream>
+#include <testsuite_hooks.h>
+
+struct A { };
+
+// 2.2.3.7 shared_ptr I/O [tr.util.smartptr.shared.io]
+
+// operator<<
+int
+test01()
+{
+ bool test __attribute__((unused)) = true;
+
+ std::tr1::shared_ptr<A> p(new A);
+ std::ostringstream buf;
+ buf << p;
+ const std::string s = buf.str();
+ buf.str("");
+ buf << p.get();
+ VERIFY( s == buf.str() );
+
+ return 0;
+}
+
+int
+main()
+{
+ test01();
+ return 0;
+}
--- /dev/null
+// Copyright (C) 2005 Free Software Foundation
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING. If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// TR1 2.2.2 Template class shared_ptr [tr.util.smartptr.shared]
+
+#include <tr1/memory>
+#include <testsuite_hooks.h>
+
+struct A { };
+
+// 2.2.3.8 shared_ptr specialized algorithms [tr.util.smartptr.shared.spec]
+
+// std::swap
+int
+test01()
+{
+ bool test __attribute__((unused)) = true;
+
+ A * const a1 = new A;
+ A * const a2 = new A;
+ std::tr1::shared_ptr<A> p1(a1);
+ std::tr1::shared_ptr<A> p2(a2);
+ std::swap(p1, p2);
+ VERIFY( p1.get() == a2 );
+ VERIFY( p2.get() == a1 );
+
+ return 0;
+}
+
+int
+main()
+{
+ test01();
+ return 0;
+}
--- /dev/null
+// Copyright (C) 2005 Free Software Foundation
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING. If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// TR1 2.2.2 Template class shared_ptr [tr.util.smartptr.shared]
+
+#include <tr1/memory>
+#include <testsuite_hooks.h>
+
+struct A { };
+struct B : A { };
+struct D
+{
+ void operator()(B* p) { delete p; ++delete_count; }
+ static long delete_count;
+};
+long D::delete_count = 0;
+
+// 2.2.3.4 shared_ptr modifiers [tr.util.smartptr.shared.mod]
+
+// reset
+int
+test01()
+{
+ bool test __attribute__((unused)) = true;
+
+ A * const a = new A;
+ std::tr1::shared_ptr<A> p1(a);
+ std::tr1::shared_ptr<A> p2(p1);
+ p1.reset();
+ VERIFY( p1.get() == 0 );
+ VERIFY( p2.get() == a );
+
+ return 0;
+}
+
+int
+test02()
+{
+ bool test __attribute__((unused)) = true;
+
+ A * const a = new A;
+ B * const b = new B;
+ std::tr1::shared_ptr<A> p1(a);
+ std::tr1::shared_ptr<A> p2(p1);
+ p1.reset(b);
+ VERIFY( p1.get() == b );
+ VERIFY( p2.get() == a );
+
+ return 0;
+}
+
+int
+test03()
+{
+ bool test __attribute__((unused)) = true;
+
+ {
+ std::tr1::shared_ptr<A> p1;
+ p1.reset(new B, D());
+ }
+ VERIFY( D::delete_count == 1 );
+
+ return 0;
+}
+
+int
+main()
+{
+ test01();
+ test02();
+ test03();
+ return 0;
+}
--- /dev/null
+// Copyright (C) 2005 Free Software Foundation
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING. If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// TR1 2.2.2 Template class shared_ptr [tr.util.smartptr.shared]
+
+#include <tr1/memory>
+#include <testsuite_hooks.h>
+
+struct A { };
+
+// 2.2.3.4 shared_ptr modifiers [tr.util.smartptr.shared.mod]
+
+// reset
+int
+test01()
+{
+ bool test __attribute__((unused)) = true;
+
+ const std::tr1::shared_ptr<A> p1(new A);
+ p1.reset(); // { dg-error "discards qualifiers" }
+
+ return 0;
+}
+
+int
+main()
+{
+ test01();
+ return 0;
+}
--- /dev/null
+// Copyright (C) 2005 Free Software Foundation
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING. If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// TR1 2.2.2 Template class shared_ptr [tr.util.smartptr.shared]
+
+#include <tr1/memory>
+#include <testsuite_hooks.h>
+
+struct A { };
+
+// 2.2.3.4 shared_ptr modifiers [tr.util.smartptr.shared.mod]
+
+// swap
+int
+test01()
+{
+ bool test __attribute__((unused)) = true;
+
+ A * const a1 = new A;
+ A * const a2 = new A;
+ std::tr1::shared_ptr<A> p1(a1);
+ std::tr1::shared_ptr<A> p2(a2);
+ p1.swap(p2);
+ VERIFY( p1.get() == a2 );
+ VERIFY( p2.get() == a1 );
+
+ return 0;
+}
+
+int
+main()
+{
+ test01();
+ return 0;
+}
--- /dev/null
+// Copyright (C) 2005 Free Software Foundation
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING. If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// TR1 2.2.2 Template class shared_ptr [tr.util.smartptr.shared]
+
+#include <tr1/memory>
+#include <testsuite_hooks.h>
+
+struct A { };
+
+// 2.2.3.4 shared_ptr modifiers [tr.util.smartptr.shared.mod]
+
+// swap
+int
+test01()
+{
+ bool test __attribute__((unused)) = true;
+
+ const std::tr1::shared_ptr<A> p1(new A);
+ std::tr1::shared_ptr<A> p2(new A);
+ p1.swap(p2); // { dg-error "discards qualifiers" }
+
+ return 0;
+}
+
+int
+main()
+{
+ test01();
+ return 0;
+}
--- /dev/null
+// Copyright (C) 2005 Free Software Foundation
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING. If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// TR1 2.2.2 Template class shared_ptr [tr.util.smartptr.shared]
+
+#include <tr1/memory>
+#include <testsuite_hooks.h>
+
+struct A { };
+
+// 2.2.3.5 shared_ptr observers [tr.util.smartptr.shared.obs]
+
+// conversion to bool
+int
+test01()
+{
+ bool test __attribute__((unused)) = true;
+
+ const std::tr1::shared_ptr<A> p1;
+ VERIFY( p1 == false );
+ const std::tr1::shared_ptr<A> p2(p1);
+ VERIFY( p2 == false );
+
+ return 0;
+}
+
+int
+test02()
+{
+ bool test __attribute__((unused)) = true;
+
+ std::tr1::shared_ptr<A> p1(new A);
+ VERIFY( p1 );
+ std::tr1::shared_ptr<A> p2(p1);
+ VERIFY( p2 );
+ p1.reset();
+ VERIFY( !p1 );
+ VERIFY( p2 );
+
+ return 0;
+}
+
+int
+test03()
+{
+ bool test __attribute__((unused)) = true;
+
+ std::tr1::shared_ptr<A> p1(new A);
+ std::tr1::shared_ptr<A> p2(p1);
+ p2.reset(new A);
+ VERIFY( p1 );
+ VERIFY( p2 );
+
+ return 0;
+}
+
+
+int
+main()
+{
+ test01();
+ test02();
+ test03();
+ return 0;
+}
--- /dev/null
+// Copyright (C) 2005 Free Software Foundation
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING. If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// TR1 2.2.2 Template class shared_ptr [tr.util.smartptr.shared]
+
+#include <tr1/memory>
+#include <testsuite_hooks.h>
+
+struct A
+{
+ A() : i() {}
+ int i;
+};
+
+// 2.2.3.5 shared_ptr observers [tr.util.smartptr.shared.obs]
+
+// get
+int
+test01()
+{
+ bool test __attribute__((unused)) = true;
+
+ A * const a = new A;
+ const std::tr1::shared_ptr<A> p(a);
+ VERIFY( p.get() == a );
+
+ return 0;
+}
+
+// operator*
+int
+test02()
+{
+ bool test __attribute__((unused)) = true;
+
+ A * const a = new A;
+ const std::tr1::shared_ptr<A> p(a);
+ VERIFY( &*p == a );
+
+ return 0;
+}
+
+
+// operator->
+int
+test03()
+{
+ bool test __attribute__((unused)) = true;
+
+ A * const a = new A;
+ const std::tr1::shared_ptr<A> p(a);
+ VERIFY( &p->i == &a->i );
+
+ return 0;
+}
+
+
+int
+main()
+{
+ test01();
+ test02();
+ test03();
+ return 0;
+}
--- /dev/null
+// Copyright (C) 2005 Free Software Foundation
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING. If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// TR1 2.2.2 Template class shared_ptr [tr.util.smartptr.shared]
+
+#include <tr1/memory>
+#include <testsuite_hooks.h>
+
+struct A { };
+
+// 2.2.3.5 shared_ptr observers [tr.util.smartptr.shared.obs]
+
+// unique
+int
+test01()
+{
+ bool test __attribute__((unused)) = true;
+
+ const std::tr1::shared_ptr<A> p1;
+ VERIFY( !p1.unique() );
+ const std::tr1::shared_ptr<A> p2(p1);
+ VERIFY( !p1.unique() );
+
+ return 0;
+}
+
+int
+test02()
+{
+ bool test __attribute__((unused)) = true;
+
+ std::tr1::shared_ptr<A> p1(new A);
+ VERIFY( p1.unique() );
+ std::tr1::shared_ptr<A> p2(p1);
+ VERIFY( !p1.unique() );
+ p1.reset();
+ VERIFY( !p1.unique() );
+ VERIFY( p2.unique() );
+
+ return 0;
+}
+
+int
+test03()
+{
+ bool test __attribute__((unused)) = true;
+
+ std::tr1::shared_ptr<A> p1(new A);
+ std::tr1::shared_ptr<A> p2(p1);
+ p2.reset(new A);
+ VERIFY( p1.unique() );
+ VERIFY( p2.unique() );
+
+ return 0;
+}
+
+
+int
+main()
+{
+ test01();
+ test02();
+ test03();
+ return 0;
+}
--- /dev/null
+// Copyright (C) 2005 Free Software Foundation
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING. If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// TR1 2.2.2 Template class shared_ptr [tr.util.smartptr.shared]
+
+#include <tr1/memory>
+#include <testsuite_hooks.h>
+
+struct A { };
+struct B : A { };
+
+// 2.2.3.5 shared_ptr observers [tr.util.smartptr.shared.obs]
+
+// use_count
+int
+test01()
+{
+ bool test __attribute__((unused)) = true;
+
+ const std::tr1::shared_ptr<A> p1;
+ VERIFY( p1.use_count() == 0 );
+ const std::tr1::shared_ptr<A> p2(p1);
+ VERIFY( p1.use_count() == 0 );
+
+ return 0;
+}
+
+int
+test02()
+{
+ bool test __attribute__((unused)) = true;
+
+ std::tr1::shared_ptr<A> p1(new A);
+ std::tr1::shared_ptr<A> p2(p1);
+ p1.reset();
+ VERIFY( p1.use_count() == 0 );
+ VERIFY( p2.use_count() == 1 );
+
+ return 0;
+}
+
+int
+test03()
+{
+ bool test __attribute__((unused)) = true;
+
+ std::tr1::shared_ptr<A> p1(new A);
+ std::tr1::shared_ptr<A> p2(p1);
+ p2.reset(new B);
+ VERIFY( p1.use_count() == 1 );
+ VERIFY( p2.use_count() == 1 );
+
+ return 0;
+}
+
+
+int
+main()
+{
+ test01();
+ test02();
+ test03();
+ return 0;
+}
projects / gcc.git / commitdiff