libstdc++-v3/testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/02.cc

   1 // Copyright (C) 2004-2014 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 3, or (at your option)
   7 // any later version.
   8
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18 // 27.6.1.2.2 arithmetic extractors
  19
  20 #include <istream>
  21 #include <sstream>
  22 #include <locale>
  23 #include <testsuite_hooks.h>
  24
  25 // elaborated test for ints
  26 bool test02()
  27 {
  28   bool test __attribute__((unused)) = true;
  29   const std::wstring str_01(L"20000AB");
  30   std::wstringbuf strb_01(str_01, std::ios_base::in);
  31   std::wistream is(&strb_01);
  32
  33   int n = 15;
  34   is >> n;
  35   VERIFY( n == 20000 );
  36   wchar_t c = is.peek();
  37   VERIFY( c == L'A' );
  38   return test;
  39 }
  40
  41 int main()
  42 {
  43   test02();
  44   return 0;
  45 }