libstdc++-v3/testsuite/18_support/numeric_limits/char16_32_t.cc

   1 // { dg-options "-std=gnu++0x" }
   2 // 2008-05-20  Paolo Carlini  <paolo.carlini@oracle.com>
   3 //
   4 // Copyright (C) 2008 Free Software Foundation
   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 2, 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 COPYING.  If not, write to the Free
  19 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  20 // USA.
  21
  22 // 18.2.1.1 template class numeric_limits
  23
  24 #include <limits>
  25 #include <cstdint>
  26 #include <testsuite_hooks.h>
  27
  28 // Test specializations for char16_t and char32_t, in C++0x.
  29 template<typename T, typename R>
  30   void
  31   do_test()
  32   {
  33     bool test __attribute__((unused)) = true;
  34
  35     typedef std::numeric_limits<T> char_type;
  36     typedef std::numeric_limits<R> impl_type;
  37
  38     VERIFY( char_type::is_specialized == impl_type::is_specialized );
  39     VERIFY( char_type::min() == impl_type::min() );
  40     VERIFY( char_type::max() == impl_type::max() );
  41     VERIFY( char_type::digits == impl_type::digits );
  42     VERIFY( char_type::digits10 == impl_type::digits10 );
  43     VERIFY( char_type::is_signed == impl_type::is_signed );
  44     VERIFY( char_type::is_integer == impl_type::is_integer );
  45     VERIFY( char_type::is_exact == impl_type::is_exact );
  46     VERIFY( char_type::radix == impl_type::radix );
  47     VERIFY( char_type::epsilon() == impl_type::epsilon() );
  48     VERIFY( char_type::round_error() == impl_type::round_error() );
  49     VERIFY( char_type::min_exponent == impl_type::min_exponent );
  50     VERIFY( char_type::min_exponent10 == impl_type::min_exponent10 );
  51     VERIFY( char_type::max_exponent == impl_type::max_exponent );
  52     VERIFY( char_type::max_exponent10 == impl_type::max_exponent10 );
  53     VERIFY( char_type::has_infinity == impl_type::has_infinity );
  54     VERIFY( char_type::has_quiet_NaN == impl_type::has_quiet_NaN );
  55     VERIFY( char_type::has_signaling_NaN == impl_type::has_signaling_NaN );
  56     VERIFY( char_type::has_denorm == impl_type::has_denorm );
  57     VERIFY( char_type::has_denorm_loss == impl_type::has_denorm_loss );
  58     VERIFY( char_type::infinity() == impl_type::infinity() );
  59     VERIFY( char_type::quiet_NaN() == impl_type::quiet_NaN() );
  60     VERIFY( char_type::signaling_NaN() == impl_type::signaling_NaN() );
  61     VERIFY( char_type::denorm_min() == impl_type::denorm_min() );
  62     VERIFY( char_type::is_iec559 == impl_type::is_iec559 );
  63     VERIFY( char_type::is_bounded == impl_type::is_bounded );
  64     VERIFY( char_type::is_modulo == impl_type::is_modulo );
  65     VERIFY( char_type::traps == impl_type::traps );
  66     VERIFY( char_type::tinyness_before == impl_type::tinyness_before );
  67     VERIFY( char_type::round_style == impl_type::round_style );
  68   }
  69
  70 int main()
  71 {
  72 #if _GLIBCXX_USE_C99_STDINT_TR1
  73   do_test<char16_t, uint_least16_t>();
  74   do_test<char32_t, uint_least32_t>();
  75 #endif
  76   return 0;
  77 }