libstdc++-v3/testsuite/22_locale/codecvt/in/wchar_t/2.cc

   1 // 2003-02-06  Petur Runolfsson  <peturr02@ru.is>
   2
   3 // Copyright (C) 2003 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 // 22.2.1.5 - Template class codecvt [lib.locale.codecvt]
  22
  23 #include <locale>
  24 #include <testsuite_hooks.h>
  25
  26 // Need to explicitly set the state(mbstate_t) to zero.
  27 // How to do this is not specified by the ISO C99 standard, so we
  28 // might need to add some operators to make the intuiative case
  29 // work:
  30 //   w_codecvt::state_type state00;
  31 //   state00 = 0;
  32 // or, can use this explicit "C" initialization:
  33 //   w_codecvt::state_type state01 = {0, 0};
  34 // .. except Ulrich says: Use memset. Always use memset. Feel the force...
  35 void
  36 zero_state(std::mbstate_t& state)
  37 { std::memset(&state, 0, sizeof(std::mbstate_t)); }
  38
  39 // Required instantiation
  40 // codecvt<wchar_t, char, mbstate_t>
  41 //
  42 // Baseline test for ISO-8859-1. Converts entire charset.
  43 void test02()
  44 {
  45   using namespace std;
  46   typedef codecvt<wchar_t, char, mbstate_t>     w_codecvt;
  47   typedef codecvt_base::result                  result;
  48   typedef wchar_t                               int_type;
  49   typedef char                                  ext_type;
  50   typedef char_traits<wchar_t>                  int_traits;
  51
  52   bool test __attribute__((unused)) = true;
  53   const ext_type*       e_lit =
  54     "\x1\x2\x3\x4\x5\x6\x7\x8\x9\xa\xb\xc\xd\xe\xf\x10\x11\x12\x13"
  55     "\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f\x20!\"#$%&"
  56     "'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`"
  57     "abcdefghijklmnopqrstuvwxyz{|}~\x7f\x80\x81\x82\x83\x84\x85\x86"
  58     "\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f\x90\x91\x92\x93\x94\x95"
  59     "\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f\xa0\xa1\xa2\xa3\xa4"
  60     "\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf\xb0\xb1\xb2\xb3"
  61     "\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf\xc0\xc1\xc2"
  62     "\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf\xd0\xd1"
  63     "\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf\xe0"
  64     "\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef"
  65     "\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe"
  66     "\xff";
  67
  68   const ext_type*       efrom_next;
  69   const int_type*       i_lit =
  70     L"\x1\x2\x3\x4\x5\x6\x7\x8\x9\xa\xb\xc\xd\xe\xf\x10\x11\x12\x13"
  71     L"\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f\x20!\"#$%&"
  72     L"'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`"
  73     L"abcdefghijklmnopqrstuvwxyz{|}~\x7f\x80\x81\x82\x83\x84\x85\x86"
  74     L"\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f\x90\x91\x92\x93\x94\x95"
  75     L"\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f\xa0\xa1\xa2\xa3\xa4"
  76     L"\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf\xb0\xb1\xb2\xb3"
  77     L"\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf\xc0\xc1\xc2"
  78     L"\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf\xd0\xd1"
  79     L"\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf\xe0"
  80     L"\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef"
  81     L"\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe"
  82     L"\xff";
  83
  84   int                   size = strlen(e_lit);
  85   int_type*             i_arr = new int_type[size + 1];
  86   int_type*             i_ref = new int_type[size + 1];
  87   wmemset(i_arr, 0xdeadbeef, size + 1);
  88   wmemset(i_ref, 0xdeadbeef, size + 1);
  89   int_type*             ito_next;
  90
  91   locale loc = __gnu_test::try_named_locale("en_US.ISO-8859-1");
  92   locale::global(loc);
  93   const w_codecvt*      cvt = &use_facet<w_codecvt>(loc);
  94
  95   // in
  96   w_codecvt::state_type state01;
  97   zero_state(state01);
  98   result r1 = cvt->in(state01, e_lit, e_lit + size, efrom_next,
  99                       i_arr, i_arr + size, ito_next);
 100   VERIFY( r1 == codecvt_base::ok );
 101   VERIFY( efrom_next == e_lit + size );
 102   VERIFY( ito_next == i_arr + size );
 103   VERIFY( !int_traits::compare(i_arr, i_lit, size) );
 104   VERIFY( !int_traits::compare(ito_next, i_ref, 1) );
 105
 106   delete [] i_arr;
 107   delete [] i_ref;
 108 }
 109
 110 int main ()
 111 {
 112   test02();
 113   return 0;
 114 }