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

   1 // { dg-options "-std=gnu++11 -Wno-pedantic" }
   2 // { dg-do compile }
   3 //
   4 // Copyright (C) 2011-2016 Free Software Foundation, Inc.
   5 //
   6 // This file is part of the GNU ISO C++ Library.  This library is free
   7 // software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the
   9 // Free Software Foundation; either version 3, or (at your option)
  10 // any later version.
  11 //
  12 // This library is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16 //
  17 // You should have received a copy of the GNU General Public License along
  18 // with this library; see the file COPYING3.  If not see
  19 // <http://www.gnu.org/licenses/>.
  20
  21 #include <type_traits>
  22 #include <testsuite_tr1.h>
  23
  24 void test01()
  25 {
  26   using std::is_floating_point;
  27   using namespace __gnu_test;
  28
  29   static_assert(test_category<is_floating_point, void>(false), "");
  30   static_assert(test_category<is_floating_point, char>(false), "");
  31   static_assert(test_category<is_floating_point, signed char>(false), "");
  32   static_assert(test_category<is_floating_point, unsigned char>(false), "");
  33 #ifdef _GLIBCXX_USE_WCHAR_T
  34   static_assert(test_category<is_floating_point, wchar_t>(false), "");
  35 #endif
  36   static_assert(test_category<is_floating_point, short>(false), "");
  37   static_assert(test_category<is_floating_point, unsigned short>(false), "");
  38   static_assert(test_category<is_floating_point, int>(false), "");
  39   static_assert(test_category<is_floating_point, unsigned int>(false), "");
  40   static_assert(test_category<is_floating_point, long>(false), "");
  41   static_assert(test_category<is_floating_point, unsigned long>(false), "");
  42   static_assert(test_category<is_floating_point, long long>(false), "");
  43   static_assert(test_category<is_floating_point,
  44                 unsigned long long>(false), "");
  45
  46   static_assert(test_category<is_floating_point, float>(true), "");
  47   static_assert(test_category<is_floating_point, double>(true), "");
  48   static_assert(test_category<is_floating_point, long double>(true), "");
  49
  50 #ifndef __STRICT_ANSI__
  51   // GNU Extensions.
  52 #ifdef _GLIBCXX_USE_FLOAT128
  53   static_assert(test_category<is_floating_point, __float128>(true), "");
  54 #endif
  55
  56 #ifdef _GLIBCXX_USE_INT128
  57   static_assert(test_category<is_floating_point, __int128>(false), "");
  58   static_assert(test_category<is_floating_point,
  59                 unsigned __int128>(false), "");
  60 #endif
  61 #endif
  62
  63   // Sanity check.
  64   static_assert(test_category<is_floating_point, ClassType>(false), "");
  65 }