libstdc++-v3/testsuite/20_util/is_integral/value.cc

   1 // { dg-do compile { target c++11 } }
   2
   3 // 2008-05-20  Paolo Carlini  <paolo.carlini@oracle.com>
   4 //
   5 // Copyright (C) 2008-2019 Free Software Foundation, Inc.
   6 //
   7 // This file is part of the GNU ISO C++ Library.  This library is free
   8 // software; you can redistribute it and/or modify it under the
   9 // terms of the GNU General Public License as published by the
  10 // Free Software Foundation; either version 3, or (at your option)
  11 // any later version.
  12 //
  13 // This library is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17 //
  18 // You should have received a copy of the GNU General Public License along
  19 // with this library; see the file COPYING3.  If not see
  20 // <http://www.gnu.org/licenses/>.
  21
  22 #include <type_traits>
  23 #include <testsuite_tr1.h>
  24
  25 void test01()
  26 {
  27   using std::is_integral;
  28   using namespace __gnu_test;
  29
  30   static_assert(test_category<is_integral, void>(false), "");
  31
  32   static_assert(test_category<is_integral, char>(true), "");
  33   static_assert(test_category<is_integral, signed char>(true), "");
  34   static_assert(test_category<is_integral, unsigned char>(true), "");
  35 #ifdef _GLIBCXX_USE_WCHAR_T
  36   static_assert(test_category<is_integral, wchar_t>(true), "");
  37 #endif
  38   static_assert(test_category<is_integral, char16_t>(true), "");
  39   static_assert(test_category<is_integral, char32_t>(true), "");
  40   static_assert(test_category<is_integral, short>(true), "");
  41   static_assert(test_category<is_integral, unsigned short>(true), "");
  42   static_assert(test_category<is_integral, int>(true), "");
  43   static_assert(test_category<is_integral, unsigned int>(true), "");
  44   static_assert(test_category<is_integral, long>(true), "");
  45   static_assert(test_category<is_integral, unsigned long>(true), "");
  46   static_assert(test_category<is_integral, long long>(true), "");
  47   static_assert(test_category<is_integral, unsigned long long>(true), "");
  48
  49   static_assert(test_category<is_integral, float>(false), "");
  50   static_assert(test_category<is_integral, double>(false), "");
  51   static_assert(test_category<is_integral, long double>(false), "");
  52
  53 #ifndef __STRICT_ANSI__
  54   // GNU Extensions.
  55 #ifdef _GLIBCXX_USE_INT128
  56   static_assert(test_category<is_integral, __int128>(true), "");
  57   static_assert(test_category<is_integral, unsigned __int128>(true), "");
  58 #endif
  59
  60 #ifdef _GLIBCXX_USE_FLOAT128
  61   static_assert(test_category<is_integral, __float128>(false), "");
  62 #endif
  63 #endif
  64
  65   // Sanity check.
  66   static_assert(test_category<is_integral, ClassType>(false), "");
  67 }