libstdc++-v3/testsuite/27_io/basic_istream/get/char/1.cc

   1 // 1999-08-11 bkoz
   2
   3 // Copyright (C) 1999, 2000, 2001, 2002, 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 // 27.6.1.3 unformatted input functions
  22 // @require@ %-*.tst %-*.txt
  23 // @diff@ %-*.tst %-*.txt
  24
  25 #include <cstring> // for strncmp,...
  26 #include <istream>
  27 #include <sstream>
  28 #include <fstream>
  29 #include <testsuite_hooks.h>
  30
  31 void
  32 test03()
  33 {
  34   typedef std::char_traits<char>        traits_type;
  35
  36   bool test __attribute__((unused)) = true;
  37   const char str_lit01[] =
  38   "   sun*ra \n\t\t\t   & his arkestra, featuring john gilmore: \n"
  39   "                         "
  40     "jazz in silhouette: images and forecasts of tomorrow";
  41
  42   std::string str01(str_lit01);
  43   std::string strtmp;
  44
  45   std::stringbuf sbuf_03;
  46   std::stringbuf sbuf_04(str01, std::ios_base::in);
  47   std::stringbuf sbuf_05(str01, std::ios_base::in);
  48
  49   std::istream is_00(NULL);
  50   std::istream is_04(&sbuf_04);
  51   std::istream is_05(&sbuf_05);
  52   std::ios_base::iostate statefail, stateeof;
  53   statefail = std::ios_base::failbit;
  54   stateeof = std::ios_base::eofbit;
  55   char carray1[400] = "";
  56
  57   // int_type get()
  58   // istream& get(char*, streamsize, char delim)
  59   // istream& get(char*, streamsize)
  60   // istream& get(streambuf&, char delim)
  61   // istream& get(streambuf&)
  62   is_00.get(carray1, 2);
  63   VERIFY( static_cast<bool>(is_00.rdstate() & statefail) );
  64   VERIFY( is_00.gcount() == 0 );
  65
  66   is_04.get(carray1, 4);
  67   VERIFY( !(is_04.rdstate() & statefail) );
  68   VERIFY( !traits_type::compare(carray1, "   ", 4) );
  69   VERIFY( is_04.gcount() == 3 );
  70
  71   is_04.clear();
  72   is_04.get(carray1 + 3, 200);
  73   VERIFY( !(is_04.rdstate() & statefail) );
  74   VERIFY( !(is_04.rdstate() & stateeof) );
  75   VERIFY( !traits_type::compare(carray1, str_lit01, 10) );
  76   VERIFY( is_04.gcount() == 7 );
  77
  78   is_04.clear();
  79   is_04.get(carray1, 200);
  80   VERIFY( !(is_04.rdstate() & stateeof) );
  81   VERIFY( static_cast<bool>(is_04.rdstate() & statefail) ); // delimiter
  82   VERIFY( is_04.gcount() == 0 );
  83   is_04.clear();
  84   is_04.get(carray1, 200, '[');
  85   VERIFY( static_cast<bool>(is_04.rdstate() & stateeof) );
  86   VERIFY( !(is_04.rdstate() & statefail) );
  87   VERIFY( is_04.gcount() == 125 );
  88   is_04.clear();
  89   is_04.get(carray1, 200);
  90   VERIFY( static_cast<bool>(is_04.rdstate() & stateeof) );
  91   VERIFY( static_cast<bool>(is_04.rdstate() & statefail) );
  92   VERIFY( is_04.gcount() == 0 );
  93
  94   std::stringbuf sbuf_02(std::ios_base::in);
  95   is_05.clear();
  96   is_05.get(sbuf_02);
  97   VERIFY( is_05.gcount() == 0 );
  98   VERIFY( static_cast<bool>(is_05.rdstate() & statefail) );
  99   VERIFY( !(is_05.rdstate() & stateeof) );
 100
 101   is_05.clear();
 102   is_05.get(sbuf_03);
 103   VERIFY( is_05.gcount() == 10 );
 104   VERIFY( sbuf_03.str() == "   sun*ra " );
 105   VERIFY( !(is_05.rdstate() & statefail) );
 106   VERIFY( !(is_05.rdstate() & stateeof) );
 107
 108   is_05.clear();
 109   is_05.get(sbuf_03, '|');
 110   VERIFY( is_05.gcount() == 125 );
 111   VERIFY( sbuf_03.str() == str_lit01 );
 112   VERIFY( !(is_05.rdstate() & statefail) );
 113   VERIFY( static_cast<bool>(is_05.rdstate() & stateeof) );
 114
 115   is_05.clear();
 116   is_05.get(sbuf_03, '|');
 117   VERIFY( is_05.gcount() == 0 );
 118   VERIFY( static_cast<bool>(is_05.rdstate() & stateeof) );
 119   VERIFY( static_cast<bool>(is_05.rdstate() & statefail) );
 120 }
 121
 122 int
 123 main()
 124 {
 125   test03();
 126   return 0;
 127 }