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73 lines
2.6 KiB
C++
73 lines
2.6 KiB
C++
// { dg-options "-std=gnu++11" }
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// { dg-do compile }
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// 2007-05-03 Benjamin Kosnik <bkoz@redhat.com>
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//
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// Copyright (C) 2007-2014 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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enum test_enum { first_selection };
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void test01()
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{
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using std::make_unsigned;
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using std::is_same;
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using std::is_unsigned;
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using std::is_volatile;
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// Positive tests.
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typedef make_unsigned<const unsigned int>::type test2_type;
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static_assert(is_same<test2_type, const unsigned int>::value, "");
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typedef make_unsigned<const signed int>::type test21c_type;
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static_assert(is_same<test21c_type, const unsigned int>::value, "");
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typedef make_unsigned<volatile signed int>::type test21v_type;
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static_assert(is_same<test21v_type, volatile unsigned int>::value, "");
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typedef make_unsigned<const volatile signed int>::type test21cv_type;
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static_assert(is_same<test21cv_type,
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const volatile unsigned int>::value, "");
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typedef make_unsigned<const char>::type test22_type;
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static_assert(is_same<test22_type, const unsigned char>::value, "");
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#ifdef _GLIBCXX_USE_WCHAR_T
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typedef make_unsigned<volatile wchar_t>::type test23_type;
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static_assert(is_unsigned<test23_type>::value
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&& is_volatile<test23_type>::value
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&& sizeof(test23_type) == sizeof(volatile wchar_t), "");
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#endif
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// Chapter 48, chapter 20. Smallest rank such that new unsigned type
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// same size.
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typedef make_unsigned<test_enum>::type test24_type;
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static_assert(is_unsigned<test24_type>::value, "");
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static_assert(sizeof(test24_type) == sizeof(test_enum), "");
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// GNU Extensions.
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#ifdef _GLIBCXX_USE_INT128
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typedef make_unsigned<unsigned __int128>::type test25_type;
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static_assert(is_same<test25_type, unsigned __int128>::value, "");
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typedef make_unsigned<__int128>::type test26_type;
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static_assert(is_same<test26_type, unsigned __int128>::value, "");
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#endif
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}
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