| // { dg-do compile { target c++11 } } |
| |
| // 2005-01-24 Paolo Carlini <pcarlini@suse.de> |
| // |
| // Copyright (C) 2005-2021 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::is_signed; |
| using namespace __gnu_test; |
| |
| static_assert(test_category<is_signed, void>(false), ""); |
| |
| static_assert(test_category<is_signed, char>(char(-1) < char(0)), ""); |
| static_assert(test_category<is_signed, signed char>(true), ""); |
| static_assert(test_category<is_signed, unsigned char>(false), ""); |
| static_assert(test_category<is_signed, wchar_t> |
| (wchar_t(-1) < wchar_t(0)), ""); |
| static_assert(test_category<is_signed, short>(true), ""); |
| static_assert(test_category<is_signed, unsigned short>(false), ""); |
| static_assert(test_category<is_signed, int>(true), ""); |
| static_assert(test_category<is_signed, unsigned int>(false), ""); |
| static_assert(test_category<is_signed, long>(true), ""); |
| static_assert(test_category<is_signed, unsigned long>(false), ""); |
| static_assert(test_category<is_signed, long long>(true), ""); |
| static_assert(test_category<is_signed, unsigned long long>(false), ""); |
| |
| static_assert(test_category<is_signed, float>(true), ""); |
| static_assert(test_category<is_signed, double>(true), ""); |
| static_assert(test_category<is_signed, long double>(true), ""); |
| |
| #ifndef __STRICT_ANSI__ |
| // GNU Extensions. |
| #ifdef __SIZEOF_INT128__ |
| static_assert(test_category<is_signed, __int128>(true), ""); |
| static_assert(test_category<is_signed, unsigned __int128>(false), ""); |
| #endif |
| |
| #ifdef _GLIBCXX_USE_FLOAT128 |
| static_assert(test_category<is_signed, __float128>(true), ""); |
| #endif |
| #endif |
| |
| // Sanity check. |
| static_assert(test_category<is_signed, ClassType>(false), ""); |
| } |