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functional (_Require): Move to ...

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* include/std/functional (_Require): Move to ...
	* include/std/type_traits (_Require): ... here.
	* include/bits/shared_ptr_base.h (__shared_count::_S_create_from_up):
	Handle unique_ptr for arrays or with custom pointer types.
	(__shared_ptr::__shared_ptr(unique_ptr<_Tp1, _Del>&&): Likewise.
	* include/bits/unique_ptr.h (unique_ptr<_Tp[], _Dp>): Use
	_Dp::pointer if defined. Implement proposed resolution of LWG 2118.
	* testsuite/20_util/shared_ptr/cons/unique_ptr_array.cc: New.
	* testsuite/20_util/unique_ptr/assign/cv_qual.cc: New.
	* testsuite/20_util/unique_ptr/cons/array_convertible_neg.cc: New.
	* testsuite/20_util/unique_ptr/cons/convertible_neg.cc: New.
	* testsuite/20_util/unique_ptr/cons/cv_qual.cc: New.
	* testsuite/20_util/unique_ptr/modifiers/cv_qual.cc: New.
	* testsuite/20_util/unique_ptr/requirements/pointer_type_array.cc: New.
	* testsuite/20_util/shared_ptr/cons/unique_ptr.cc: Adjust comments.
	* testsuite/20_util/unique_ptr/cons/pointer_array_convertible_neg.cc:
	Likewise.
	* testsuite/20_util/unique_ptr/requirements/pointer_type.cc: Likewise.
	* testsuite/20_util/bind/ref_neg.cc: Adjust dg-error line number.
	* testsuite/20_util/declval/requirements/1_neg.cc: Likewise.
	* testsuite/20_util/default_delete/48631_neg.cc: Likewise.
	* testsuite/20_util/shared_ptr/cons/43820_neg.cc: Likewise.
	* testsuite/20_util/unique_ptr/assign/48635_neg.cc: Likewise.
	* testsuite/20_util/unique_ptr/modifiers/reset_neg.cc: Adjust
	dg-error text.
	* testsuite/20_util/unique_ptr/cons/ptr_deleter_neg.cc: Use
	different instantiations so static_assert fails for each.

From-SVN: r194651
This commit is contained in:
Jonathan Wakely 2012-12-20 21:02:33 +00:00 committed by Jonathan Wakely
parent d89da9dbda
commit 23df853421
22 changed files with 668 additions and 112 deletions
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30
libstdc++-v3/ChangeLog
View File

@ -1,3 +1,33 @@
2012-12-20 Jonathan Wakely <jwakely.gcc@gmail.com>
* include/std/functional (_Require): Move to ...
* include/std/type_traits (_Require): ... here.
* include/bits/shared_ptr_base.h (__shared_count::_S_create_from_up):
Handle unique_ptr for arrays or with custom pointer types.
(__shared_ptr::__shared_ptr(unique_ptr<_Tp1, _Del>&&): Likewise.
* include/bits/unique_ptr.h (unique_ptr<_Tp[], _Dp>): Use
_Dp::pointer if defined. Implement proposed resolution of LWG 2118.
* testsuite/20_util/shared_ptr/cons/unique_ptr_array.cc: New.
* testsuite/20_util/unique_ptr/assign/cv_qual.cc: New.
* testsuite/20_util/unique_ptr/cons/array_convertible_neg.cc: New.
* testsuite/20_util/unique_ptr/cons/convertible_neg.cc: New.
* testsuite/20_util/unique_ptr/cons/cv_qual.cc: New.
* testsuite/20_util/unique_ptr/modifiers/cv_qual.cc: New.
* testsuite/20_util/unique_ptr/requirements/pointer_type_array.cc: New.
* testsuite/20_util/shared_ptr/cons/unique_ptr.cc: Adjust comments.
* testsuite/20_util/unique_ptr/cons/pointer_array_convertible_neg.cc:
Likewise.
* testsuite/20_util/unique_ptr/requirements/pointer_type.cc: Likewise.
* testsuite/20_util/bind/ref_neg.cc: Adjust dg-error line number.
* testsuite/20_util/declval/requirements/1_neg.cc: Likewise.
* testsuite/20_util/default_delete/48631_neg.cc: Likewise.
* testsuite/20_util/shared_ptr/cons/43820_neg.cc: Likewise.
* testsuite/20_util/unique_ptr/assign/48635_neg.cc: Likewise.
* testsuite/20_util/unique_ptr/modifiers/reset_neg.cc: Adjust
dg-error text.
* testsuite/20_util/unique_ptr/cons/ptr_deleter_neg.cc: Use
different instantiations so static_assert fails for each.
2012-12-20 Jonathan Wakely <jwakely.gcc@gmail.com>
PR libstdc++/55741

8
libstdc++-v3/include/bits/shared_ptr_base.h
View File

@ -616,7 +616,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
_S_create_from_up(std::unique_ptr<_Tp, _Del>&& __r,
typename std::enable_if<!std::is_reference<_Del>::value>::type* = 0)
{
return new _Sp_counted_deleter<_Tp*, _Del, std::allocator<void>,
typedef typename unique_ptr<_Tp, _Del>::pointer _Ptr;
return new _Sp_counted_deleter<_Ptr, _Del, std::allocator<void>,
_Lp>(__r.get(), __r.get_deleter());
}
@ -625,9 +626,10 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
_S_create_from_up(std::unique_ptr<_Tp, _Del>&& __r,
typename std::enable_if<std::is_reference<_Del>::value>::type* = 0)
{
typedef typename unique_ptr<_Tp, _Del>::pointer _Ptr;
typedef typename std::remove_reference<_Del>::type _Del1;
typedef std::reference_wrapper<_Del1> _Del2;
return new _Sp_counted_deleter<_Tp*, _Del2, std::allocator<void>,
return new _Sp_counted_deleter<_Ptr, _Del2, std::allocator<void>,
_Lp>(__r.get(), std::ref(__r.get_deleter()));
}
@ -846,7 +848,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
: _M_ptr(__r.get()), _M_refcount()
{
__glibcxx_function_requires(_ConvertibleConcept<_Tp1*, _Tp*>)
_Tp1* __tmp = __r.get();
auto __tmp = std::__addressof(*__r.get());
_M_refcount = __shared_count<_Lp>(std::move(__r));
__enable_shared_from_this_helper(_M_refcount, __tmp, __tmp);
}

188
libstdc++-v3/include/bits/unique_ptr.h
View File

@ -56,7 +56,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
constexpr default_delete() noexcept = default;
template<typename _Up, typename = typename
std::enable_if<std::is_convertible<_Up*, _Tp*>::value>::type>
enable_if<is_convertible<_Up*, _Tp*>::value>::type>
default_delete(const default_delete<_Up>&) noexcept { }
void
@ -74,8 +74,23 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
template<typename _Tp>
struct default_delete<_Tp[]>
{
private:
template<typename _Up>
using __remove_cv = typename remove_cv<_Up>::type;
// Like is_base_of<_Tp, _Up> but false if unqualified types are the same
template<typename _Up>
using __is_derived_Tp
= __and_< is_base_of<_Tp, _Up>,
__not_<is_same<__remove_cv<_Tp>, __remove_cv<_Up>>> >;
public:
constexpr default_delete() noexcept = default;
template<typename _Up, typename = typename
enable_if<!__is_derived_Tp<_Up>::value>::type>
default_delete(const default_delete<_Up[]>&) noexcept { }
void
operator()(_Tp* __ptr) const
{
@ -84,7 +99,9 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
delete [] __ptr;
}
template<typename _Up> void operator()(_Up*) const = delete;
template<typename _Up>
typename enable_if<__is_derived_Tp<_Up>::value>::type
operator()(_Up*) const = delete;
};
/// 20.7.1.2 unique_ptr for single objects.
@ -117,54 +134,45 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
// Constructors.
constexpr unique_ptr() noexcept
: _M_t()
{ static_assert(!std::is_pointer<deleter_type>::value,
{ static_assert(!is_pointer<deleter_type>::value,
"constructed with null function pointer deleter"); }
explicit
unique_ptr(pointer __p) noexcept
: _M_t(__p, deleter_type())
{ static_assert(!std::is_pointer<deleter_type>::value,
{ static_assert(!is_pointer<deleter_type>::value,
"constructed with null function pointer deleter"); }
unique_ptr(pointer __p,
typename std::conditional<std::is_reference<deleter_type>::value,
typename conditional<is_reference<deleter_type>::value,
deleter_type, const deleter_type&>::type __d) noexcept
: _M_t(__p, __d) { }
unique_ptr(pointer __p,
typename std::remove_reference<deleter_type>::type&& __d) noexcept
typename remove_reference<deleter_type>::type&& __d) noexcept
: _M_t(std::move(__p), std::move(__d))
{ static_assert(!std::is_reference<deleter_type>::value,
"rvalue deleter bound to reference"); }
constexpr unique_ptr(nullptr_t) noexcept
: _M_t()
{ static_assert(!std::is_pointer<deleter_type>::value,
"constructed with null function pointer deleter"); }
constexpr unique_ptr(nullptr_t) noexcept : unique_ptr() { }
// Move constructors.
unique_ptr(unique_ptr&& __u) noexcept
: _M_t(__u.release(), std::forward<deleter_type>(__u.get_deleter())) { }
template<typename _Up, typename _Ep, typename = typename
std::enable_if
<std::is_convertible<typename unique_ptr<_Up, _Ep>::pointer,
pointer>::value
&& !std::is_array<_Up>::value
&& ((std::is_reference<_Dp>::value
&& std::is_same<_Ep, _Dp>::value)
|| (!std::is_reference<_Dp>::value
&& std::is_convertible<_Ep, _Dp>::value))>
::type>
template<typename _Up, typename _Ep, typename = _Require<
is_convertible<typename unique_ptr<_Up, _Ep>::pointer, pointer>,
__not_<is_array<_Up>>,
typename conditional<is_reference<_Dp>::value,
is_same<_Ep, _Dp>,
is_convertible<_Ep, _Dp>>::type>>
unique_ptr(unique_ptr<_Up, _Ep>&& __u) noexcept
: _M_t(__u.release(), std::forward<_Ep>(__u.get_deleter()))
{ }
#if _GLIBCXX_USE_DEPRECATED
template<typename _Up, typename = typename
std::enable_if<std::is_convertible<_Up*, _Tp*>::value
&& std::is_same<_Dp,
default_delete<_Tp>>::value>::type>
template<typename _Up, typename = _Require<
is_convertible<_Up*, _Tp*>, is_same<_Dp, default_delete<_Tp>>>>
unique_ptr(auto_ptr<_Up>&& __u) noexcept;
#endif
@ -186,12 +194,12 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
return *this;
}
template<typename _Up, typename _Ep, typename = typename
std::enable_if
<std::is_convertible<typename unique_ptr<_Up, _Ep>::pointer,
pointer>::value
&& !std::is_array<_Up>::value>::type>
unique_ptr&
template<typename _Up, typename _Ep>
typename enable_if< __and_<
is_convertible<typename unique_ptr<_Up, _Ep>::pointer, pointer>,
__not_<is_array<_Up>>
>::value,
unique_ptr&>::type
operator=(unique_ptr<_Up, _Ep>&& __u) noexcept
{
reset(__u.release());
@ -207,7 +215,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
}
// Observers.
typename std::add_lvalue_reference<element_type>::type
typename add_lvalue_reference<element_type>::type
operator*() const
{
_GLIBCXX_DEBUG_ASSERT(get() != pointer());
@ -273,11 +281,47 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
template<typename _Tp, typename _Dp>
class unique_ptr<_Tp[], _Dp>
{
typedef std::tuple<_Tp*, _Dp> __tuple_type;
__tuple_type _M_t;
// use SFINAE to determine whether _Del::pointer exists
class _Pointer
{
template<typename _Up>
static typename _Up::pointer __test(typename _Up::pointer*);
template<typename _Up>
static _Tp* __test(...);
typedef typename remove_reference<_Dp>::type _Del;
public:
typedef _Tp* pointer;
typedef decltype(__test<_Del>(0)) type;
};
typedef std::tuple<typename _Pointer::type, _Dp> __tuple_type;
__tuple_type _M_t;
template<typename _Up>
using __remove_cv = typename remove_cv<_Up>::type;
// like is_base_of<_Tp, _Up> but false if unqualified types are the same
template<typename _Up>
using __is_derived_Tp
= __and_< is_base_of<_Tp, _Up>,
__not_<is_same<__remove_cv<_Tp>, __remove_cv<_Up>>> >;
template<typename _Up, typename _Ep,
typename _Tp_pointer = typename _Pointer::type,
typename _Up_pointer = typename unique_ptr<_Up, _Ep>::pointer>
using __safe_conversion = __and_<
is_convertible<_Up_pointer, _Tp_pointer>,
is_array<_Up>,
__or_<__not_<is_pointer<_Up_pointer>>,
__not_<is_pointer<_Tp_pointer>>,
__not_<__is_derived_Tp<typename remove_extent<_Up>::type>>
>
>;
public:
typedef typename _Pointer::type pointer;
typedef _Tp element_type;
typedef _Dp deleter_type;
@ -290,30 +334,37 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
explicit
unique_ptr(pointer __p) noexcept
: _M_t(__p, deleter_type())
{ static_assert(!std::is_pointer<deleter_type>::value,
{ static_assert(!is_pointer<deleter_type>::value,
"constructed with null function pointer deleter"); }
template<typename _Up, typename = _Require<is_pointer<pointer>,
is_convertible<_Up*, pointer>, __is_derived_Tp<_Up>>>
explicit
unique_ptr(_Up* __p) = delete;
unique_ptr(pointer __p,
typename std::conditional<std::is_reference<deleter_type>::value,
typename conditional<is_reference<deleter_type>::value,
deleter_type, const deleter_type&>::type __d) noexcept
: _M_t(__p, __d) { }
unique_ptr(pointer __p, typename
std::remove_reference<deleter_type>::type && __d) noexcept
remove_reference<deleter_type>::type&& __d) noexcept
: _M_t(std::move(__p), std::move(__d))
{ static_assert(!std::is_reference<deleter_type>::value,
{ static_assert(!is_reference<deleter_type>::value,
"rvalue deleter bound to reference"); }
constexpr unique_ptr(nullptr_t) noexcept
: _M_t()
{ static_assert(!std::is_pointer<deleter_type>::value,
"constructed with null function pointer deleter"); }
// Move constructors.
// Move constructor.
unique_ptr(unique_ptr&& __u) noexcept
: _M_t(__u.release(), std::forward<deleter_type>(__u.get_deleter())) { }
template<typename _Up, typename _Ep>
constexpr unique_ptr(nullptr_t) noexcept : unique_ptr() { }
template<typename _Up, typename _Ep,
typename = _Require<__safe_conversion<_Up, _Ep>,
typename conditional<is_reference<_Dp>::value,
is_same<_Ep, _Dp>,
is_convertible<_Ep, _Dp>>::type
>>
unique_ptr(unique_ptr<_Up, _Ep>&& __u) noexcept
: _M_t(__u.release(), std::forward<_Ep>(__u.get_deleter()))
{ }
@ -337,7 +388,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
}
template<typename _Up, typename _Ep>
unique_ptr&
typename
enable_if<__safe_conversion<_Up, _Ep>::value, unique_ptr&>::type
operator=(unique_ptr<_Up, _Ep>&& __u) noexcept
{
reset(__u.release());
@ -385,7 +437,11 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
}
void
reset(pointer __p = pointer()) noexcept
reset() noexcept
{ reset(pointer()); }
void
reset(pointer __p) noexcept
{
using std::swap;
swap(std::get<0>(_M_t), __p);
@ -393,18 +449,9 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
get_deleter()(__p);
}
void
reset(nullptr_t) noexcept
{
pointer __p = get();
std::get<0>(_M_t) = pointer();
if (__p != nullptr)
get_deleter()(__p);
}
// DR 821.
template<typename _Up>
void reset(_Up) = delete;
template<typename _Up, typename = _Require<is_pointer<pointer>,
is_convertible<_Up*, pointer>, __is_derived_Tp<_Up>>>
void reset(_Up*) = delete;
void
swap(unique_ptr& __u) noexcept
@ -418,23 +465,16 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
unique_ptr& operator=(const unique_ptr&) = delete;
// Disable construction from convertible pointer types.
// (N2315 - 20.7.1.3.1)
template<typename _Up>
template<typename _Up, typename = _Require<is_pointer<pointer>,
is_convertible<_Up*, pointer>, __is_derived_Tp<_Up>>>
unique_ptr(_Up*, typename
std::conditional<std::is_reference<deleter_type>::value,
deleter_type, const deleter_type&>::type,
typename std::enable_if<std::is_convertible<_Up*,
pointer>::value>::type* = 0) = delete;
conditional<is_reference<deleter_type>::value,
deleter_type, const deleter_type&>::type) = delete;
template<typename _Up>
unique_ptr(_Up*, typename std::remove_reference<deleter_type>::type&&,
typename std::enable_if<std::is_convertible<_Up*,
pointer>::value>::type* = 0) = delete;
template<typename _Up>
explicit
unique_ptr(_Up*, typename std::enable_if<std::is_convertible<_Up*,
pointer>::value>::type* = 0) = delete;
template<typename _Up, typename = _Require<is_pointer<pointer>,
is_convertible<_Up*, pointer>, __is_derived_Tp<_Up>>>
unique_ptr(_Up*, typename
remove_reference<deleter_type>::type&&) = delete;
};
template<typename _Tp, typename _Dp>

3
libstdc++-v3/include/std/functional
View File

@ -501,9 +501,6 @@ _GLIBCXX_HAS_NESTED_TYPE(result_type)
// @} group functors
template<typename... _Cond>
using _Require = typename enable_if<__and_<_Cond...>::value>::type;
template<typename... _Types>
struct _Pack : integral_constant<size_t, sizeof...(_Types)>
{ };

2
libstdc++-v3/include/std/type_traits
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@ -1771,6 +1771,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
struct enable_if<true, _Tp>
{ typedef _Tp type; };
template<typename... _Cond>
using _Require = typename enable_if<__and_<_Cond...>::value>::type;
// Primary template.
/// Define a member typedef @c type to one of two argument types.

8
libstdc++-v3/testsuite/20_util/bind/ref_neg.cc
View File

@ -30,10 +30,10 @@ void test01()
{
const int dummy = 0;
std::bind(&inc, _1)(0); // { dg-error "no match" }
// { dg-error "rvalue|const" "" { target *-*-* } 1349 }
// { dg-error "rvalue|const" "" { target *-*-* } 1363 }
// { dg-error "rvalue|const" "" { target *-*-* } 1377 }
// { dg-error "rvalue|const" "" { target *-*-* } 1391 }
// { dg-error "rvalue|const" "" { target *-*-* } 1346 }
// { dg-error "rvalue|const" "" { target *-*-* } 1360 }
// { dg-error "rvalue|const" "" { target *-*-* } 1374 }
// { dg-error "rvalue|const" "" { target *-*-* } 1388 }
std::bind(&inc, std::ref(dummy))(); // { dg-error "no match" }
}

2
libstdc++-v3/testsuite/20_util/declval/requirements/1_neg.cc
View File

@ -19,7 +19,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// { dg-error "static assertion failed" "" { target *-*-* } 1869 }
// { dg-error "static assertion failed" "" { target *-*-* } 1871 }
#include <utility>

2
libstdc++-v3/testsuite/20_util/default_delete/48631_neg.cc
View File

@ -27,4 +27,4 @@ struct D : B { };
D d;
std::default_delete<B[]> db;
typedef decltype(db(&d)) type; // { dg-error "use of deleted function" }
// { dg-error "declared here" "" { target *-*-* } 87 }
// { dg-error "declared here" "" { target *-*-* } 104 }

2
libstdc++-v3/testsuite/20_util/shared_ptr/cons/43820_neg.cc
View File

@ -32,7 +32,7 @@ void test01()
{
X* px = 0;
std::shared_ptr<X> p1(px); // { dg-error "here" }
// { dg-error "incomplete" "" { target *-*-* } 769 }
// { dg-error "incomplete" "" { target *-*-* } 771 }
std::shared_ptr<X> p9(ap()); // { dg-error "here" }
// { dg-error "incomplete" "" { target *-*-* } 307 }

8
libstdc++-v3/testsuite/20_util/shared_ptr/cons/unique_ptr.cc
View File

@ -1,6 +1,6 @@
// { dg-options "-std=gnu++0x" }
// { dg-options "-std=gnu++11" }
// Copyright (C) 2008, 2009 Free Software Foundation
// Copyright (C) 2008-2012 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
@ -17,14 +17,14 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// 20.7.12.2 Template class shared_ptr [util.smartptr.shared]
// 20.7.2.2 Class template shared_ptr [util.smartptr.shared]
#include <memory>
#include <testsuite_hooks.h>
struct A { };
// 20.7.12.2.1 shared_ptr constructors [util.smartptr.shared.const]
// 20.7.2.2.1 shared_ptr constructors [util.smartptr.shared.const]
// Construction from unique_ptr
int

59
libstdc++-v3/testsuite/20_util/shared_ptr/cons/unique_ptr_array.cc Normal file
View File

@ -0,0 +1,59 @@
// { dg-options "-std=gnu++11" }
// Copyright (C) 2012 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 3, 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 COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// 20.7.2.2 Class template shared_ptr [util.smartptr.shared]
#include <memory>
#include <testsuite_hooks.h>
int destroyed = 0;
struct A : std::enable_shared_from_this<A>
{
~A() { ++destroyed; }
};
// 20.7.2.2.1 shared_ptr constructors [util.smartptr.shared.const]
// Construction from unique_ptr<A[]>
int
test01()
{
bool test __attribute__((unused)) = true;
std::unique_ptr<A[]> up(new A[2]);
std::shared_ptr<A> sp(std::move(up));
VERIFY( up.get() == 0 );
VERIFY( sp.get() != 0 );
VERIFY( sp.use_count() == 1 );
VERIFY( sp->shared_from_this() != nullptr );
sp.reset();
VERIFY( destroyed == 2 );
return 0;
}
int
main()
{
test01();
return 0;
}

4
libstdc++-v3/testsuite/20_util/unique_ptr/assign/48635_neg.cc
View File

@ -41,10 +41,10 @@ void f()
std::unique_ptr<int, B&> ub(nullptr, b);
std::unique_ptr<int, D&> ud(nullptr, d);
ub = std::move(ud);
// { dg-error "use of deleted function" "" { target *-*-* } 198 }
// { dg-error "use of deleted function" "" { target *-*-* } 206 }
std::unique_ptr<int[], B&> uba(nullptr, b);
std::unique_ptr<int[], D&> uda(nullptr, d);
uba = std::move(uda);
// { dg-error "use of deleted function" "" { target *-*-* } 344 }
// { dg-error "use of deleted function" "" { target *-*-* } 396 }
}

89
libstdc++-v3/testsuite/20_util/unique_ptr/assign/cv_qual.cc Normal file
View File

@ -0,0 +1,89 @@
// { dg-options "-std=gnu++11" }
// { dg-do compile }
// Copyright (C) 2012 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 3, 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 COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// 20.7.1 Class template unique_ptr [unique.ptr]
#include <memory>
struct A { virtual ~A() = default; };
struct B : A { };
// Assignment from objects with different cv-qualification
void
test01()
{
std::unique_ptr<A> upA;
std::unique_ptr<const A> cA;
cA = std::move(upA);
std::unique_ptr<volatile A> vA;
vA = std::move(upA);
std::unique_ptr<const volatile A> cvA;
cvA = std::move(upA);
}
void
test02()
{
std::unique_ptr<B> upB;
std::unique_ptr<const A> cA;
cA = std::move(upB);
std::unique_ptr<volatile A> vA;
vA = std::move(upB);
std::unique_ptr<const volatile A> cvA;
cvA = std::move(upB);
}
void
test03()
{
std::unique_ptr<A[]> upA;
std::unique_ptr<const A[]> cA;
cA = std::move(upA);
std::unique_ptr<volatile A[]> vA;
vA = std::move(upA);
std::unique_ptr<const volatile A[]> cvA;
cvA = std::move(upA);
}
struct A_pointer { operator A*() const { return nullptr; } };
template<typename T>
struct deleter
{
deleter() = default;
template<typename U>
deleter(const deleter<U>) { }
typedef T pointer;
void operator()(T) const { }
};
void
test04()
{
// Allow conversions from user-defined pointer-like types
std::unique_ptr<B[], deleter<A_pointer>> p;
std::unique_ptr<A[], deleter<A*>> upA;
upA = std::move(p);
}

58
libstdc++-v3/testsuite/20_util/unique_ptr/cons/array_convertible_neg.cc Normal file
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@ -0,0 +1,58 @@
// { dg-do compile }
// { dg-options "-std=gnu++11" }
// Copyright (C) 2012 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 3, 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 COPYING3. If not see
// <http://www.gnu.org/licenses/>.
#include <memory>
struct A
{
};
struct B : A
{
virtual ~B() { }
};
// 20.7.1.3 unique_ptr for array objects [unique.ptr.runtime]
struct D
{
template<typename T>
void operator()(const T* p) const { delete[] p; }
};
// Conversion from different type of unique_ptr<T[], D>
void
test01()
{
std::unique_ptr<B[], D> b(new B[1]);
std::unique_ptr<A[], D> a(std::move(b)); //{ dg-error "no matching function" }
a = std::move(b); //{ dg-error "no match" }
}
// Conversion from non-array form of unique_ptr
void
test02()
{
std::unique_ptr<A> nonarray(new A);
std::unique_ptr<A[]> array(std::move(nonarray)); //{ dg-error "no matching function" }
array = std::move(nonarray); //{ dg-error "no match" }
}
// { dg-prune-output "include" }

38
libstdc++-v3/testsuite/20_util/unique_ptr/cons/convertible_neg.cc Normal file
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@ -0,0 +1,38 @@
// { dg-do compile }
// { dg-options "-std=gnu++11" }
// Copyright (C) 2012 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 3, 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 COPYING3. If not see
// <http://www.gnu.org/licenses/>.
#include <memory>
struct A
{
};
// 20.7.1.3 unique_ptr for array objects [unique.ptr.runtime]
// Conversion to non-array form of unique_ptr
void
test01()
{
std::unique_ptr<A[]> array(new A[1]);
std::unique_ptr<A> nonarray(std::move(array)); //{ dg-error "no matching function" }
nonarray = std::move(array); //{ dg-error "no match" }
}
// { dg-prune-output "include" }

115
libstdc++-v3/testsuite/20_util/unique_ptr/cons/cv_qual.cc Normal file
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@ -0,0 +1,115 @@
// { dg-options "-std=gnu++11" }
// { dg-do compile }
// Copyright (C) 2012 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 3, 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 COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// 20.7.1 Class template unique_ptr [unique.ptr]
#include <memory>
struct A { virtual ~A() = default; };
struct B : A { };
// Construction from objects with different cv-qualification
void
test01()
{
std::unique_ptr<const A> cA(new A);
std::unique_ptr<volatile A> vA(new A);
std::unique_ptr<const volatile A> cvA(new A);
}
void
test02()
{
std::unique_ptr<const A> cB(new B);
std::unique_ptr<volatile A> vB(new B);
std::unique_ptr<const volatile A> cvB(new B);
}
void
test03()
{
std::unique_ptr<A> upA;
std::unique_ptr<const A> cA(std::move(upA));
std::unique_ptr<volatile A> vA(std::move(upA));
std::unique_ptr<const volatile A> cvA(std::move(upA));
}
void
test04()
{
std::unique_ptr<B> upB;
std::unique_ptr<const A> cA(std::move(upB));
std::unique_ptr<volatile A> vA(std::move(upB));
std::unique_ptr<const volatile A> cvA(std::move(upB));
}
void
test05()
{
std::unique_ptr<const A[]> cA(new A[1]);
std::unique_ptr<volatile A[]> vA(new A[1]);
std::unique_ptr<const volatile A[]> cvA(new A[1]);
}
void
test06()
{
std::unique_ptr<A[]> upA;
std::unique_ptr<const A[]> cA(std::move(upA));
std::unique_ptr<volatile A[]> vA(std::move(upA));
std::unique_ptr<const volatile A[]> cvA(std::move(upA));
}
struct A_pointer { operator A*() const { return nullptr; } };
void
test07()
{
// Allow conversions from user-defined pointer-like types
A_pointer p;
std::unique_ptr<A[]> upA(p);
std::unique_ptr<const A[]> cA(p);
std::unique_ptr<volatile A[]> vA(p);
std::unique_ptr<const volatile A[]> cvA(p);
}
template<typename T>
struct deleter
{
deleter() = default;
template<typename U>
deleter(const deleter<U>) { }
typedef T pointer;
void operator()(T) const { }
};
void
test08()
{
// Allow conversions from user-defined pointer-like types
std::unique_ptr<B[], deleter<A_pointer>> p;
std::unique_ptr<A[], deleter<A*>> upA(std::move(p));
}

6
libstdc++-v3/testsuite/20_util/unique_ptr/cons/pointer_array_convertible_neg.cc
View File

@ -1,7 +1,7 @@
// { dg-do compile }
// { dg-options "-std=gnu++0x" }
// { dg-options "-std=gnu++11" }
// Copyright (C) 2008, 2009 Free Software Foundation
// Copyright (C) 2008-2012 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
@ -29,7 +29,7 @@ struct B : A
virtual ~B() { }
};
// 20.4.5.1 unique_ptr constructors [unique.ptr.cons]
// 20.7.1.3.1 unique_ptr constructors [unique.ptr.runtime.ctor]
// Construction from pointer of derived type
void

13
libstdc++-v3/testsuite/20_util/unique_ptr/cons/ptr_deleter_neg.cc
View File

@ -1,7 +1,7 @@
// { dg-options "-std=gnu++0x" }
// { dg-do compile }
// Copyright (C) 2010 Free Software Foundation
// Copyright (C) 2010-2012 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
@ -18,10 +18,9 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// 20.6.11 Template class unique_ptr [unique.ptr]
// 20.7.1 Class template unique_ptr [unique.ptr]
#include <memory>
#include <testsuite_hooks.h>
using std::unique_ptr;
@ -30,9 +29,9 @@ using std::unique_ptr;
void
test01()
{
unique_ptr<int, void(*)(int*)> p1; // { dg-error "here" }
unique_ptr<long, void(*)(long*)> p1; // { dg-error "here" }
unique_ptr<int, void(*)(int*)> p2(nullptr); // { dg-error "here" }
unique_ptr<short, void(*)(short*)> p2(nullptr); // { dg-error "here" }
unique_ptr<int, void(*)(int*)> p3(new int); // { dg-error "here" }
}
@ -40,9 +39,9 @@ test01()
void
test02()
{
unique_ptr<int[], void(*)(int*)> p1; // { dg-error "here" }
unique_ptr<long[], void(*)(long*)> p1; // { dg-error "here" }
unique_ptr<int[], void(*)(int*)> p2(nullptr); // { dg-error "here" }
unique_ptr<short[], void(*)(short*)> p2(nullptr); // { dg-error "here" }
unique_ptr<int[], void(*)(int*)> p3(new int[1]); // { dg-error "here" }
}

79
libstdc++-v3/testsuite/20_util/unique_ptr/modifiers/cv_qual.cc Normal file
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@ -0,0 +1,79 @@
// { dg-options "-std=gnu++11" }
// { dg-do compile }
// Copyright (C) 2012 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 3, 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 COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// 20.7.1 Class template unique_ptr [unique.ptr]
#include <memory>
struct A { virtual ~A() = default; };
struct B : A { };
// Construction from objects with different cv-qualification
void
test01()
{
std::unique_ptr<const A> cA;
cA.reset(new A);
std::unique_ptr<volatile A> vA;
vA.reset(new A);
std::unique_ptr<const volatile A> cvA;
cvA.reset(new A);
}
void
test02()
{
std::unique_ptr<const A> cB;
cB.reset(new B);
std::unique_ptr<volatile A> vB;
vB.reset(new B);
std::unique_ptr<const volatile A> cvB;
cvB.reset(new B);
}
void
test03()
{
std::unique_ptr<const A[]> cA;
cA.reset(new A[1]);
std::unique_ptr<volatile A[]> vA;
vA.reset(new A[1]);
std::unique_ptr<const volatile A[]> cvA;
cvA.reset(new A[1]);
}
struct A_pointer { operator A*() const { return nullptr; } };
void
test07()
{
// Allow conversions from user-defined pointer-like types
A_pointer p;
std::unique_ptr<A[]> upA;
upA.reset(p);
std::unique_ptr<const A[]> cA;
cA.reset(p);
std::unique_ptr<volatile A[]> vA;
vA.reset(p);
std::unique_ptr<const volatile A[]> cvA;
cvA.reset(p);
}

4
libstdc++-v3/testsuite/20_util/unique_ptr/modifiers/reset_neg.cc
View File

@ -1,7 +1,7 @@
// { dg-do compile }
// { dg-options "-std=gnu++0x" }
// Copyright (C) 2008, 2009, 2010 Free Software Foundation
// Copyright (C) 2008-2012 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
@ -32,7 +32,7 @@ struct B : A
void test01()
{
std::unique_ptr<B[]> up;
up.reset(new A[3]); // { dg-error "deleted" }
up.reset(new A[3]); // { dg-error "invalid conversion" }
}
// { dg-prune-output "include" }

7
libstdc++-v3/testsuite/20_util/unique_ptr/requirements/pointer_type.cc
View File

@ -1,7 +1,7 @@
// { dg-do compile }
// { dg-options "-std=gnu++0x" }
// { dg-options "-std=gnu++11" }
// Copyright (C) 2010, 2011 Free Software Foundation
// Copyright (C) 2010-2012 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
@ -18,10 +18,9 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// 20.6.11 Template class unique_ptr [unique.ptr.single]
// 20.7.1.2 unique_ptr for single objects [unique.ptr.single]
#include <memory>
#include <testsuite_hooks.h>
struct A
{

49
libstdc++-v3/testsuite/20_util/unique_ptr/requirements/pointer_type_array.cc Normal file
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@ -0,0 +1,49 @@
// { dg-do compile }
// { dg-options "-std=gnu++11" }
// Copyright (C) 2010-2012 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 3, 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 COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// 20.7.1.3 unique_ptr for array objects [unique.ptr.runtime]
#include <memory>
struct A
{
void operator()(void*) const { }
};
struct B
{
typedef char* pointer;
void operator()(pointer) const { }
};
int main()
{
typedef std::unique_ptr<int[]> up;
typedef std::unique_ptr<int[], A> upA;
typedef std::unique_ptr<int[], B> upB;
typedef std::unique_ptr<int[], A&> upAr;
typedef std::unique_ptr<int[], B&> upBr;
static_assert( std::is_same< up::pointer, int*>::value, "" );
static_assert( std::is_same< upA::pointer, int*>::value, "" );
static_assert( std::is_same< upB::pointer, char*>::value, "" );
static_assert( std::is_same< upAr::pointer, int*>::value, "" );
static_assert( std::is_same< upBr::pointer, char*>::value, "" );
}