libstdc++-v3/testsuite/18_support/numeric_limits/char8_t.cc

   1 // { dg-do run { target c++11 } }
   2 // { dg-require-cstdint "" }
   3 // { dg-options "-fchar8_t" }
   4
   5 // Copyright (C) 2017-2020 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 <limits>
  23 #include <cstdint>
  24 #include <testsuite_hooks.h>
  25
  26 // Test specializations for char8_t.
  27 template<typename T, typename R>
  28   void
  29   do_test()
  30   {
  31     typedef std::numeric_limits<T> char_type;
  32     typedef std::numeric_limits<R> impl_type;
  33
  34     VERIFY( char_type::is_specialized == impl_type::is_specialized );
  35     VERIFY( char_type::min() == impl_type::min() );
  36     VERIFY( char_type::max() == impl_type::max() );
  37     VERIFY( char_type::digits == impl_type::digits );
  38     VERIFY( char_type::digits10 == impl_type::digits10 );
  39     VERIFY( char_type::is_signed == impl_type::is_signed );
  40     VERIFY( char_type::is_integer == impl_type::is_integer );
  41     VERIFY( char_type::is_exact == impl_type::is_exact );
  42     VERIFY( char_type::radix == impl_type::radix );
  43     VERIFY( char_type::epsilon() == impl_type::epsilon() );
  44     VERIFY( char_type::round_error() == impl_type::round_error() );
  45     VERIFY( char_type::min_exponent == impl_type::min_exponent );
  46     VERIFY( char_type::min_exponent10 == impl_type::min_exponent10 );
  47     VERIFY( char_type::max_exponent == impl_type::max_exponent );
  48     VERIFY( char_type::max_exponent10 == impl_type::max_exponent10 );
  49     VERIFY( char_type::has_infinity == impl_type::has_infinity );
  50     VERIFY( char_type::has_quiet_NaN == impl_type::has_quiet_NaN );
  51     VERIFY( char_type::has_signaling_NaN == impl_type::has_signaling_NaN );
  52     VERIFY( char_type::has_denorm == impl_type::has_denorm );
  53     VERIFY( char_type::has_denorm_loss == impl_type::has_denorm_loss );
  54     VERIFY( char_type::infinity() == impl_type::infinity() );
  55     VERIFY( char_type::quiet_NaN() == impl_type::quiet_NaN() );
  56     VERIFY( char_type::signaling_NaN() == impl_type::signaling_NaN() );
  57     VERIFY( char_type::denorm_min() == impl_type::denorm_min() );
  58     VERIFY( char_type::is_iec559 == impl_type::is_iec559 );
  59     VERIFY( char_type::is_bounded == impl_type::is_bounded );
  60     VERIFY( char_type::is_modulo == impl_type::is_modulo );
  61     VERIFY( char_type::traps == impl_type::traps );
  62     VERIFY( char_type::tinyness_before == impl_type::tinyness_before );
  63     VERIFY( char_type::round_style == impl_type::round_style );
  64   }
  65
  66 int main()
  67 {
  68   do_test<char8_t, unsigned char>();
  69
  70   return 0;
  71 }