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Add tests for std::remove_cvref 

* testsuite/20_util/remove_cvref/requirements/alias_decl.cc: New.
	* testsuite/20_util/remove_cvref/requirements/explicit_instantiation.cc:
	New.
	* testsuite/20_util/remove_cvref/value.cc: New.
	* testsuite/20_util/remove_cvref/value_ext.cc: New.

From-SVN: r259896
This commit is contained in:
Jonathan Wakely 2018-05-03 16:12:19 +01:00 committed by Jonathan Wakely
parent 852ee53c27
commit adba76a391
5 changed files with 171 additions and 0 deletions
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6
libstdc++-v3/ChangeLog
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@ -1,5 +1,11 @@
2018-05-03 Jonathan Wakely <jwakely@redhat.com>
* testsuite/20_util/remove_cvref/requirements/alias_decl.cc: New.
* testsuite/20_util/remove_cvref/requirements/explicit_instantiation.cc:
New.
* testsuite/20_util/remove_cvref/value.cc: New.
* testsuite/20_util/remove_cvref/value_ext.cc: New.
PR libstdc++/84087 LWG DR 2268 basic_string default arguments
* include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI=1]
(append(const basic_string&, size_type, size_type)

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libstdc++-v3/testsuite/20_util/remove_cvref/requirements/alias_decl.cc Normal file
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// { dg-options "-std=gnu++2a" }
// { dg-do compile { target c++2a } }
// Copyright (C) 2018 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 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/>.
// NB: This file is for testing type_traits with NO OTHER INCLUDES.
#include <type_traits>
using namespace std;
static_assert (is_same<typename remove_cvref<int>::type,
remove_cvref_t<int>>(),
"remove_cvref_t" );
static_assert (is_same<typename remove_cvref<const volatile long&>::type,
remove_cvref_t<const volatile long&>>(),
"remove_cvref_t" );
static_assert (is_same<typename remove_cvref<const short&&>::type,
remove_cvref_t<const short&&>>(),
"remove_cvref_t" );

29
libstdc++-v3/testsuite/20_util/remove_cvref/requirements/explicit_instantiation.cc Normal file
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// { dg-options "-std=gnu++2a" }
// { dg-do compile { target c++2a } }
// Copyright (C) 2018 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 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/>.
// NB: This file is for testing type_traits with NO OTHER INCLUDES.
#include <type_traits>
namespace std
{
typedef short test_type;
template struct remove_cvref<test_type>;
}

50
libstdc++-v3/testsuite/20_util/remove_cvref/value.cc Normal file
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// { dg-options "-std=gnu++2a" }
// { dg-do compile { target c++2a } }
// Copyright (C) 2018 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 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 <type_traits>
#include <testsuite_tr1.h>
void test01()
{
using std::remove_cvref;
using std::is_same;
using namespace __gnu_test;
static_assert(is_same<remove_cvref<const volatile int>::type,
int>::value, "");
static_assert(is_same<remove_cvref<const volatile int*>::type,
const volatile int*>::value, "");
static_assert(is_same<typename remove_cvref<const volatile int&>::type,
int>::value, "");
static_assert(is_same<typename remove_cvref<const volatile int&&>::type,
int>::value, "");
static_assert(is_same<remove_cvref<const volatile ClassType>::type,
ClassType>::value, "");
static_assert(is_same<remove_cvref<const volatile ClassType*>::type,
const volatile ClassType*>::value, "");
static_assert(is_same<typename remove_cvref<const volatile ClassType&>::type,
ClassType>::value, "");
static_assert(is_same<typename remove_cvref<const volatile ClassType&&>::type,
ClassType>::value, "");
static_assert(is_same<typename remove_cvref<const int(&)[3]>::type,
int[3]>::value, "");
static_assert(is_same<typename remove_cvref<const int(&)()>::type,
const int()>::value, "");
}

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libstdc++-v3/testsuite/20_util/remove_cvref/value_ext.cc Normal file
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// { dg-do compile { target c++11 } }
// Copyright (C) 2018 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 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 <type_traits>
#include <testsuite_tr1.h>
void test01()
{
using std::__remove_cvref_t;
using std::is_same;
using namespace __gnu_test;
static_assert(is_same<__remove_cvref_t<const volatile int>,
int>::value, "");
static_assert(is_same<__remove_cvref_t<const volatile int*>,
const volatile int*>::value, "");
static_assert(is_same<__remove_cvref_t<const volatile int&>,
int>::value, "");
static_assert(is_same<__remove_cvref_t<const volatile int&&>,
int>::value, "");
static_assert(is_same<__remove_cvref_t<const volatile ClassType>,
ClassType>::value, "");
static_assert(is_same<__remove_cvref_t<const volatile ClassType*>,
const volatile ClassType*>::value, "");
static_assert(is_same<__remove_cvref_t<const volatile ClassType&>,
ClassType>::value, "");
static_assert(is_same<__remove_cvref_t<const volatile ClassType&&>,
ClassType>::value, "");
static_assert(is_same<__remove_cvref_t<const int(&)[3]>,
int[3]>::value, "");
static_assert(is_same<__remove_cvref_t<const int(&)()>,
const int()>::value, "");
}