89 lines
2.0 KiB
C++
89 lines
2.0 KiB
C++
// { dg-do run { target c++11 } }
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// { dg-add-options ieee }
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// 2010-02-25 Ed Smith-Rowland
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// Copyright (C) 2010-2016 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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// 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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// 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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// 18.2.1.1 template class numeric_limits
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#include <limits>
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#include <type_traits>
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#include <testsuite_hooks.h>
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template<typename T>
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void
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do_test(std::true_type)
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{
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T limits_min = std::numeric_limits<T>::min();
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VERIFY( std::numeric_limits<T>::lowest() == limits_min );
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}
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template<typename T>
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void
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do_test(std::false_type)
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{
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T limits_max = std::numeric_limits<T>::max();
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VERIFY( std::numeric_limits<T>::lowest() == -limits_max );
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}
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template<typename Tp>
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void
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do_test()
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{ do_test<Tp>(typename std::is_integral<Tp>::type()); }
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void test01()
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{
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do_test<char>();
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do_test<signed char>();
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do_test<unsigned char>();
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#ifdef _GLIBCXX_USE_WCHAR_T
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do_test<wchar_t>();
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#endif
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do_test<char16_t>();
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do_test<char32_t>();
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do_test<short>();
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do_test<unsigned short>();
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do_test<int>();
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do_test<unsigned int>();
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do_test<long>();
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do_test<unsigned long>();
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do_test<long long>();
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do_test<unsigned long long>();
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// GNU Extensions.
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#ifdef _GLIBCXX_USE_INT128
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do_test<__int128>();
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do_test<unsigned __int128>();
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#endif
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do_test<float>();
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do_test<double>();
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do_test<long double>();
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}
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int main()
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{
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test01();
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return 0;
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}
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