65 lines
2.4 KiB
C++
65 lines
2.4 KiB
C++
// { dg-do compile { target c++11 } }
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// 2005-01-24 Paolo Carlini <pcarlini@suse.de>
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//
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// Copyright (C) 2005-2022 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::is_signed;
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using namespace __gnu_test;
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static_assert(test_category<is_signed, void>(false), "");
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static_assert(test_category<is_signed, char>(char(-1) < char(0)), "");
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static_assert(test_category<is_signed, signed char>(true), "");
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static_assert(test_category<is_signed, unsigned char>(false), "");
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static_assert(test_category<is_signed, wchar_t>
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(wchar_t(-1) < wchar_t(0)), "");
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static_assert(test_category<is_signed, short>(true), "");
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static_assert(test_category<is_signed, unsigned short>(false), "");
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static_assert(test_category<is_signed, int>(true), "");
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static_assert(test_category<is_signed, unsigned int>(false), "");
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static_assert(test_category<is_signed, long>(true), "");
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static_assert(test_category<is_signed, unsigned long>(false), "");
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static_assert(test_category<is_signed, long long>(true), "");
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static_assert(test_category<is_signed, unsigned long long>(false), "");
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static_assert(test_category<is_signed, float>(true), "");
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static_assert(test_category<is_signed, double>(true), "");
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static_assert(test_category<is_signed, long double>(true), "");
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#ifndef __STRICT_ANSI__
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// GNU Extensions.
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#ifdef __SIZEOF_INT128__
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static_assert(test_category<is_signed, __int128>(true), "");
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static_assert(test_category<is_signed, unsigned __int128>(false), "");
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#endif
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#ifdef _GLIBCXX_USE_FLOAT128
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static_assert(test_category<is_signed, __float128>(true), "");
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#endif
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#endif
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// Sanity check.
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static_assert(test_category<is_signed, ClassType>(false), "");
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}
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