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      1 //===----------------------------------------------------------------------===//
      2 //
      3 //                     The LLVM Compiler Infrastructure
      4 //
      5 // This file is dual licensed under the MIT and the University of Illinois Open
      6 // Source Licenses. See LICENSE.TXT for details.
      7 //
      8 //===----------------------------------------------------------------------===//
      9 
     10 // <locale>
     11 
     12 // template <> class ctype<char>
     13 
     14 // static const mask* classic_table() throw();
     15 
     16 #include <locale>
     17 #include <cassert>
     18 
     19 int main()
     20 {
     21     typedef std::ctype<char> F;
     22     assert(F::classic_table() != 0);
     23     assert(F::table_size >= 256);
     24 
     25     typedef F::mask mask;
     26     const mask *p = F::classic_table();
     27     const mask defined = F::space | F::print | F::cntrl | F::upper | F::lower
     28                     | F::alpha | F::digit | F::punct | F::xdigit | F::blank;
     29 
     30     for ( size_t i = 0; i < 128; ++i ) // values above 128 are not consistent
     31     {
     32         mask set = 0;
     33 
     34         if ( i  < 32  || i  > 126 ) set |= F::cntrl;
     35         if ( i >= 32  && i <= 126 ) set |= F::print;
     36 
     37         if (( i >= 9 && i <= 13) || i == 32 ) set |= F::space;
     38         if ( i == 9 || i == 32 ) set |= F::blank;
     39 
     40         if ( i >= 'A' && i <= 'Z' ) set |= F::alpha;
     41         if ( i >= 'a' && i <= 'z' ) set |= F::alpha;
     42         if ( i >= 'A' && i <= 'Z' ) set |= F::upper;
     43         if ( i >= 'a' && i <= 'z' ) set |= F::lower;
     44 
     45         if ( i >= '0' && i <= '9' ) set |= F::digit;
     46         if ( i >= '0' && i <= '9' ) set |= F::xdigit;
     47         if ( i >= 'A' && i <= 'F' ) set |= F::xdigit;
     48         if ( i >= 'a' && i <= 'f' ) set |= F::xdigit;
     49 
     50         if ( i >=  33 && i <=  47 ) set |= F::punct;    // ' ' .. '/'
     51         if ( i >=  58 && i <=  64 ) set |= F::punct;    // ':' .. '@'
     52         if ( i >=  91 && i <=  96 ) set |= F::punct;    // '[' .. '`'
     53         if ( i >= 123 && i <= 126 ) set |= F::punct;    // '{' .. '~'    }
     54 
     55         assert(( p[i] &  set) == set);            // all the right bits set
     56         assert(((p[i] & ~set) & defined) == 0);   // no extra ones
     57     }
     58 
     59 }
     60