libstdc++-v3/testsuite/23_containers/bitset/cons/dr1325-2.cc

   1 // { dg-do run { target c++11 } }
   2
   3 // 2010-10-11  Paolo Carlini  <paolo.carlini@oracle.com>
   4
   5 // Copyright (C) 2010-2019 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 <bitset>
  23 #include <testsuite_hooks.h>
  24
  25 template<std::size_t Nb, typename CharT>
  26   std::bitset<Nb>
  27   test01_ref(const CharT* str,
  28              typename std::basic_string<CharT>::size_type n
  29              = std::basic_string<CharT>::npos,
  30              CharT zero = CharT('0'), CharT one = CharT('1'))
  31   {
  32     return std::bitset<Nb>(n == std::basic_string<CharT>::npos
  33                            ? std::basic_string<CharT>(str)
  34                            : std::basic_string<CharT>(str, n),
  35                            0, n, zero, one);
  36   }
  37
  38 // DR 1325.
  39 void test01()
  40 {
  41   using namespace std;
  42
  43   const char s1[4] = { '0', '1', '0', '1' };
  44   VERIFY( bitset<4>(s1, 4) == test01_ref<4>(s1, 4) );
  45
  46   const char s2[3] = { '1', '1', '0' };
  47   VERIFY( bitset<6>(s2, 3) == test01_ref<6>(s2, 3) );
  48
  49   const char* s3 = "1110110";
  50   VERIFY( bitset<7>(s3) == test01_ref<7>(s3) );
  51
  52   const char* s4 = "0011";
  53   VERIFY( bitset<10>(s4) == test01_ref<10>(s4) );
  54
  55   const char* s5 = "011110000111001";
  56   VERIFY( bitset<5>(s5) == test01_ref<5>(s5) );
  57
  58   const char* s6 = "1cc1c1";
  59   VERIFY( bitset<6>(s6, basic_string<char>::npos, 'c')
  60           == test01_ref<6>(s6, basic_string<char>::npos, 'c') );
  61
  62   const char* s7 = "001011101";
  63   VERIFY( bitset<9>(s7, basic_string<char>::npos, '0', '1')
  64           == test01_ref<9>(s7, basic_string<char>::npos, '0', '1') );
  65
  66   const char* s8 = "babb";
  67   VERIFY( bitset<4>(s8, basic_string<char>::npos, 'a', 'b')
  68           == test01_ref<4>(s8, basic_string<char>::npos, 'a', 'b') );
  69
  70   const char* s9 = "bbabbbaaa";
  71   VERIFY( bitset<100>(s9, basic_string<char>::npos, 'a', 'b')
  72           == test01_ref<100>(s9, basic_string<char>::npos, 'a', 'b') );
  73 }
  74
  75 int main()
  76 {
  77   test01();
  78   return 0;
  79 }