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

   1 // 1999-04-12 bkoz
   2
   3 // Copyright (C) 1999-2014 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 // 27.6.1.2.2 arithmetic extractors
  21
  22 #include <istream>
  23 #include <sstream>
  24 #include <locale>
  25 #include <testsuite_hooks.h>
  26
  27 // elaborated test for ints
  28 bool test02()
  29 {
  30   bool test __attribute__((unused)) = true;
  31   const std::string str_01("20000AB");
  32   std::stringbuf strb_01(str_01, std::ios_base::in);
  33   std::istream is(&strb_01);
  34
  35   int n = 15;
  36   is >> n;
  37   VERIFY( n == 20000 );
  38   char c = is.peek();
  39   VERIFY( c == 65 );
  40   return test;
  41 }
  42
  43 int main()
  44 {
  45   test02();
  46   return 0;
  47 }