libstdc++-v3/testsuite/22_locale/codecvt/length/char/1.cc

   1 // 2000-08-17 Benjamin Kosnik <bkoz@cygnus.com>
   2
   3 // Copyright (C) 2000-2019 Free Software Foundation, Inc.
   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 3, 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 COPYING3.  If not see
  18 // <http://www.gnu.org/licenses/>.
  19
  20 // 22.2.1.5 - Template class codecvt [lib.locale.codecvt]
  21
  22 #include <locale>
  23 #include <testsuite_hooks.h>
  24
  25 // Required instantiation, degenerate conversion.
  26 // codecvt<char, char, mbstate_t>
  27 void test01()
  28 {
  29   using namespace std;
  30   typedef codecvt_base::result                  result;
  31   typedef codecvt<char, char, mbstate_t>        c_codecvt;
  32
  33   const char*           c_lit = "black pearl jasmine tea";
  34   int                   size = 23;
  35
  36   locale                loc = locale::classic();
  37   c_codecvt::state_type state;
  38   const c_codecvt*      cvt = &use_facet<c_codecvt>(loc);
  39
  40   int j = cvt->length(state, c_lit, c_lit + size, 5);
  41   VERIFY( j == 5 );
  42 }
  43
  44 int main ()
  45 {
  46   test01();
  47   return 0;
  48 }