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unique_ptr (unique_ptr::pointer): Use deleter's pointer type if it exists.

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2010-04-24  Jonathan Wakely  <jwakely.gcc@gmail.com>

	* include/bits/unique_ptr (unique_ptr::pointer): Use deleter's
	pointer type if it exists.
	* testsuite/20_util/unique_ptr/requirements/pointer_type.cc: New.
	* testsuite/20_util/unique_ptr/assign/assign_neg.cc: Adjust.
	* testsuite/20_util/unique_ptr/modifiers/reset_neg.cc: Adjust.

From-SVN: r158682
This commit is contained in:
Jonathan Wakely 2010-04-24 09:21:23 +00:00 • committed by Jonathan Wakely
parent 3009276c37
commit 7b65808d33
5 changed files with 84 additions and 11 deletions
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8
libstdc++-v3/ChangeLog
View file

@ -1,3 +1,11 @@
2010-04-24 Jonathan Wakely <jwakely.gcc@gmail.com>
* include/bits/unique_ptr (unique_ptr::pointer): Use deleter's
pointer type if it exists.
* testsuite/20_util/unique_ptr/requirements/pointer_type.cc: New.
* testsuite/20_util/unique_ptr/assign/assign_neg.cc: Adjust.
* testsuite/20_util/unique_ptr/modifiers/reset_neg.cc: Adjust.
2010-04-22 Johannes Singler <singler@kit.edu>
* include/parallel/partition.h (__parallel_partition):

21
libstdc++-v3/include/bits/unique_ptr.h
View file

@ -83,10 +83,25 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
typedef std::tuple<_Tp*, _Tp_Deleter> __tuple_type;
typedef _Tp* unique_ptr::* __unspecified_pointer_type;
// 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<_Tp_Deleter>::type _Del;
public:
typedef decltype( __test<_Del>(0) ) type;
};
public:
typedef _Tp* pointer;
typedef _Tp element_type;
typedef _Tp_Deleter deleter_type;
typedef typename _Pointer::type pointer;
typedef _Tp element_type;
typedef _Tp_Deleter deleter_type;
// Constructors.
unique_ptr()

14
libstdc++-v3/testsuite/20_util/unique_ptr/assign/assign_neg.cc
View file

@ -49,13 +49,13 @@ test03()
std::unique_ptr<int[2]> p2 = p1;
}
// { dg-error "deleted function" "" { target *-*-* } 342 }
// { dg-error "deleted function" "" { target *-*-* } 357 }
// { dg-error "used here" "" { target *-*-* } 42 }
// { dg-error "no matching" "" { target *-*-* } 48 }
// { dg-warning "candidates are" "" { target *-*-* } 115 }
// { dg-warning "note" "" { target *-*-* } 108 }
// { dg-warning "note" "" { target *-*-* } 103 }
// { dg-warning "note" "" { target *-*-* } 98 }
// { dg-warning "note" "" { target *-*-* } 92 }
// { dg-error "deleted function" "" { target *-*-* } 207 }
// { dg-warning "candidates are" "" { target *-*-* } 130 }
// { dg-warning "note" "" { target *-*-* } 123 }
// { dg-warning "note" "" { target *-*-* } 118 }
// { dg-warning "note" "" { target *-*-* } 113 }
// { dg-warning "note" "" { target *-*-* } 107 }
// { dg-error "deleted function" "" { target *-*-* } 222 }
// { dg-error "used here" "" { target *-*-* } 49 }

2
libstdc++-v3/testsuite/20_util/unique_ptr/modifiers/reset_neg.cc
View file

@ -36,4 +36,4 @@ void test01()
}
// { dg-error "used here" "" { target *-*-* } 35 }
// { dg-error "deleted function" "" { target *-*-* } 332 }
// { dg-error "deleted function" "" { target *-*-* } 347 }

50
libstdc++-v3/testsuite/20_util/unique_ptr/requirements/pointer_type.cc Normal file
View file

@ -0,0 +1,50 @@
// { dg-do compile }
// { dg-options "-std=gnu++0x" }
// Copyright (C) 2010 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/>.
// 20.6.11 Template class unique_ptr [unique.ptr.single]
#include <memory>
#include <testsuite_hooks.h>
struct A
{
void operator()(void* p) const { }
};
struct B
{
typedef char* pointer;
void operator()(pointer p) 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, "" );
}