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

   1 // { dg-options "-std=gnu++0x" }
   2 // 2005-01-24  Paolo Carlini  <pcarlini@suse.de>
   3 //
   4 // Copyright (C) 2005-2013 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_hooks.h>
  23 #include <testsuite_tr1.h>
  24
  25 void test01()
  26 {
  27   bool test __attribute__((unused)) = true;
  28   using std::is_unsigned;
  29   using namespace __gnu_test;
  30
  31   VERIFY( (test_category<is_unsigned, void>(false)) );
  32
  33   VERIFY( (test_category<is_unsigned, char>(char(-1) > char(0))) );
  34   VERIFY( (test_category<is_unsigned, signed char>(false)) );
  35   VERIFY( (test_category<is_unsigned, unsigned char>(true)) );
  36 #ifdef _GLIBCXX_USE_WCHAR_T
  37   VERIFY( (test_category<is_unsigned, wchar_t>(wchar_t(-1) > wchar_t(0))) );
  38 #endif
  39   VERIFY( (test_category<is_unsigned, short>(false)) );
  40   VERIFY( (test_category<is_unsigned, unsigned short>(true)) );
  41   VERIFY( (test_category<is_unsigned, int>(false)) );
  42   VERIFY( (test_category<is_unsigned, unsigned int>(true)) );
  43   VERIFY( (test_category<is_unsigned, long>(false)) );
  44   VERIFY( (test_category<is_unsigned, unsigned long>(true)) );
  45   VERIFY( (test_category<is_unsigned, long long>(false)) );
  46   VERIFY( (test_category<is_unsigned, unsigned long long>(true)) );
  47
  48   VERIFY( (test_category<is_unsigned, float>(false)) );
  49   VERIFY( (test_category<is_unsigned, double>(false)) );
  50   VERIFY( (test_category<is_unsigned, long double>(false)) );
  51
  52   // GNU Extensions.
  53 #ifdef _GLIBCXX_USE_INT128
  54   VERIFY( (test_category<is_unsigned, unsigned __int128>(true)) );
  55   VERIFY( (test_category<is_unsigned, __int128>(false)) );
  56 #endif
  57
  58 #ifdef _GLIBCXX_USE_FLOAT128
  59   VERIFY( (test_category<is_unsigned, __float128>(false)) );
  60 #endif
  61
  62   // Sanity check.
  63   VERIFY( (test_category<is_unsigned, ClassType>(false)) );
  64 }
  65
  66 int main()
  67 {
  68   test01();
  69   return 0;
  70 }