51 lines
1.9 KiB
C++
51 lines
1.9 KiB
C++
// { dg-options "-std=gnu++2a" }
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// { dg-do compile { target c++2a } }
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// Copyright (C) 2018-2020 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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#include <type_traits>
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#include <testsuite_tr1.h>
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void test01()
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{
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using std::remove_cvref;
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using std::is_same;
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using namespace __gnu_test;
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static_assert(is_same<remove_cvref<const volatile int>::type,
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int>::value, "");
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static_assert(is_same<remove_cvref<const volatile int*>::type,
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const volatile int*>::value, "");
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static_assert(is_same<typename remove_cvref<const volatile int&>::type,
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int>::value, "");
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static_assert(is_same<typename remove_cvref<const volatile int&&>::type,
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int>::value, "");
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static_assert(is_same<remove_cvref<const volatile ClassType>::type,
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ClassType>::value, "");
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static_assert(is_same<remove_cvref<const volatile ClassType*>::type,
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const volatile ClassType*>::value, "");
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static_assert(is_same<typename remove_cvref<const volatile ClassType&>::type,
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ClassType>::value, "");
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static_assert(is_same<typename remove_cvref<const volatile ClassType&&>::type,
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ClassType>::value, "");
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static_assert(is_same<typename remove_cvref<const int(&)[3]>::type,
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int[3]>::value, "");
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static_assert(is_same<typename remove_cvref<const int(&)()>::type,
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const int()>::value, "");
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}
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