libstdc++-v3/testsuite/27_io/basic_istream/extractors_arithmetic/char/06.cc

   1 // 1999-04-12 bkoz
   2
   3 // Copyright (C) 1999, 2000, 2002, 2003 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 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 // 27.6.1.2.2 arithmetic extractors
  22
  23 #include <cstdio> // for printf
  24 #include <istream>
  25 #include <ostream>
  26 #include <sstream>
  27 #include <locale>
  28 #include <testsuite_hooks.h>
  29
  30 std::string str_01;
  31 std::string str_02("true false 0 1 110001");
  32 std::string str_03("-19999999 777777 -234234 233 -234 33 1 66300.25 .315 1.5");
  33 std::string str_04("0123");
  34
  35 std::stringbuf isbuf_01(std::ios_base::in);
  36 std::stringbuf isbuf_02(str_02, std::ios_base::in);
  37 std::stringbuf isbuf_03(str_03, std::ios_base::in);
  38 std::stringbuf isbuf_04(str_04, std::ios_base::in);
  39
  40 std::istream is_01(NULL);
  41 std::istream is_02(&isbuf_02);
  42 std::istream is_03(&isbuf_03);
  43 std::istream is_04(&isbuf_04);
  44 std::stringstream ss_01(str_01);
  45
  46 // http://gcc.gnu.org/ml/libstdc++/2000-q1/msg00081.html
  47 // Jim Parsons
  48 void test06()
  49 {
  50   // default locale, grouping is turned off
  51   bool test __attribute__((unused)) = true;
  52   unsigned int h4;
  53   char c;
  54   std::string s("205,199,144");
  55   std::istringstream is(s);
  56
  57   is >> h4; // 205
  58   VERIFY( h4 == 205 );
  59   is >> c; // ','
  60   VERIFY( c == ',' );
  61
  62   is >> h4; // 199
  63   VERIFY( h4 == 199 );
  64   is >> c; // ','
  65   VERIFY( c == ',' );
  66
  67   is >> h4; // 144
  68   VERIFY( is.rdstate() == std::ios_base::eofbit );
  69   VERIFY( h4 == 144 );
  70   is >> c; // EOF
  71   VERIFY( c == ',' );
  72   VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) );
  73 }
  74
  75 int main()
  76 {
  77   test06();
  78   return 0;
  79 }