libstdc++-v3/testsuite/22_locale/ctype.cc

   1 // 1999-08-24 bkoz
   2
   3 // Copyright (C) 2000, 1999 Free Software Foundation
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 2, or (at your option)
   9 // any later version.
  10
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING.  If not, write to the Free
  18 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  19 // USA.
  20
  21 // 22.2.1 The ctype category
  22
  23 // { dg-do compile }
  24
  25 // 1: Test that the locale headers are picking up the correct declaration
  26 // of the internal type `ctype_base::mask'.
  27 int mask ();
  28
  29 #include <locale>
  30
  31 // 2: Should be able to instantiate this for other types besides char, wchar_t
  32 typedef std::ctype<char> cctype;
  33
  34 class gnu_ctype: public std::ctype<unsigned char>
  35 {
  36 private:
  37   const cctype& _M_cctype;
  38
  39 public:
  40   explicit
  41   gnu_ctype(size_t __refs = 0)
  42   : std::ctype<unsigned char>(__refs),
  43     _M_cctype(std::use_facet<cctype>(std::locale::classic()))
  44   { }
  45
  46   ~gnu_ctype();
  47
  48 protected:
  49   virtual bool
  50   do_is(mask __m, char_type __c) const
  51   { return _M_cctype.is(__m, __c); }
  52
  53   virtual const char_type*
  54   do_is(const char_type* __lo, const char_type* __hi, mask* __vec) const
  55   {
  56     const char* __c = _M_cctype.is(reinterpret_cast<const char*>(__lo),
  57                                    reinterpret_cast<const char*>(__hi), __vec);
  58     return reinterpret_cast<const char_type*>(__c);
  59   }
  60
  61   virtual const char_type*
  62   do_scan_is(mask __m, const char_type* __lo, const char_type* __hi) const
  63   {
  64     const char* __c = _M_cctype.scan_is(__m,
  65                                         reinterpret_cast<const char*>(__lo),
  66                                         reinterpret_cast<const char*>(__hi));
  67     return reinterpret_cast<const char_type*>(__c);
  68   }
  69
  70   virtual const char_type*
  71   do_scan_not(mask __m, const char_type* __lo, const char_type* __hi) const
  72   {
  73     const char* __c = _M_cctype.scan_is(__m,
  74                                         reinterpret_cast<const char*>(__lo),
  75                                         reinterpret_cast<const char*>(__hi));
  76     return reinterpret_cast<const char_type*>(__c);
  77   }
  78
  79   virtual char_type
  80   do_toupper(char_type __c) const
  81   { return _M_cctype.toupper(__c); }
  82
  83   virtual const char_type*
  84   do_toupper(char_type* __lo, const char_type* __hi) const
  85   {
  86     const char* __c = _M_cctype.toupper(reinterpret_cast<char*>(__lo),
  87                                         reinterpret_cast<const char*>(__hi));
  88     return reinterpret_cast<const char_type*>(__c);
  89   }
  90
  91   virtual char_type
  92   do_tolower(char_type __c) const
  93   { return _M_cctype.tolower(__c); }
  94
  95   virtual const char_type*
  96   do_tolower(char_type* __lo, const char_type* __hi) const
  97   {
  98     const char* __c = _M_cctype.toupper(reinterpret_cast<char*>(__lo),
  99                                         reinterpret_cast<const char*>(__hi));
 100     return reinterpret_cast<const char_type*>(__c);
 101   }
 102
 103   virtual char_type
 104   do_widen(char __c) const
 105   { return _M_cctype.widen(__c); }
 106
 107   virtual const char*
 108   do_widen(const char* __lo, const char* __hi, char_type* __dest) const
 109   {
 110     const char* __c = _M_cctype.widen(reinterpret_cast<const char*>(__lo),
 111                                       reinterpret_cast<const char*>(__hi),
 112                                       reinterpret_cast<char*>(__dest));
 113     return __c;
 114   }
 115
 116   virtual char
 117   do_narrow(char_type __c, char __dfault) const
 118   { return _M_cctype.narrow(__c, __dfault); }
 119
 120   virtual const char_type*
 121   do_narrow(const char_type* __lo, const char_type* __hi, char __dfault,
 122             char* __dest) const
 123   {
 124     const char* __c = _M_cctype.narrow(reinterpret_cast<const char*>(__lo),
 125                                        reinterpret_cast<const char*>(__hi),
 126                                        __dfault,
 127                                        reinterpret_cast<char*>(__dest));
 128     return reinterpret_cast<const char_type*>(__c);
 129   }
 130
 131 };
 132
 133 gnu_ctype::~gnu_ctype() { }
 134
 135 gnu_ctype facet01;
 136
 137 // 3: Sanity check ctype_base::mask bitmask requirements
 138 void
 139 test01()
 140 {
 141   using namespace std;
 142
 143   ctype_base::mask m01;
 144   ctype_base::mask m02;
 145
 146   m01 = ctype_base::space;
 147   m02 = ctype_base::xdigit;
 148
 149   m01 & m02;
 150   m01 | m02;
 151   m01 ^ m02;
 152   ~m01;
 153   m01 &= m02;
 154   m01 |= m02;
 155   m01 ^= m02;
 156 }
 157
 158 class gnu_obj
 159 { };
 160
 161 class gnu_ctype2: public std::ctype<gnu_obj>
 162 { };
 163
 164 // libstdc++/3017
 165 void test02()
 166 {
 167   gnu_ctype2 obj;
 168 }
 169
 170 int main()
 171 {
 172   test01();
 173   test02();
 174   return 0;
 175 }