libstdc++-v3/testsuite/27_io/basic_istream/extractors_arithmetic/char/10.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 bool test10() {
  47   std::string str_01("0 00 000 +0 +0 -0");
  48   std::stringbuf isbuf_01(str_01);
  49   std::istream is_01(&isbuf_01);
  50
  51   bool test __attribute__((unused)) = true;
  52
  53   int n = 365;
  54   is_01 >> n;
  55   VERIFY( n == 0 );
  56   n = 364;
  57   is_01 >> n;
  58   VERIFY( n == 0 );
  59   n = 363;
  60   is_01 >> n;
  61   VERIFY( n == 0 );
  62   n = 362;
  63   is_01 >> n;
  64   VERIFY( n == 0 );
  65   n = 361;
  66   is_01 >> n;
  67   VERIFY( n == 0 );
  68   n = 360;
  69   is_01 >> n;
  70   VERIFY( n == 0 );
  71   VERIFY( is_01.rdstate() == std::ios_base::eofbit );
  72
  73   std::string str_02("0x32 0X33 033 33");
  74   std::stringbuf isbuf_02(str_02);
  75   std::istream is_02(&isbuf_02);
  76   is_02.unsetf(std::ios_base::basefield);
  77   is_02 >> n;
  78   VERIFY( n == 50 );
  79   is_02 >> n;
  80   VERIFY( n == 51 );
  81   is_02 >> n;
  82   VERIFY( n == 27 );
  83   is_02 >> n;
  84   VERIFY( n == 33 );
  85   VERIFY( is_02.rdstate() == std::ios_base::eofbit );
  86
  87   std::stringbuf isbuf_03(str_02);
  88   std::istream is_03(&isbuf_03);
  89   char c;
  90   int m;
  91
  92   is_03 >> std::dec >> n >> c >> m;
  93   VERIFY( n == 0 );
  94   VERIFY( c == 'x' );
  95   VERIFY( m == 32 );
  96
  97   is_03 >> std::oct >> m >> c >> n;
  98   VERIFY( m == 0 );
  99   VERIFY( c == 'X' );
 100   VERIFY( n == 27 );
 101
 102   is_03 >> std::dec >> m >> n;
 103   VERIFY( m == 33 );
 104   VERIFY( n == 33 );
 105   VERIFY( is_03.rdstate() == std::ios_base::eofbit );
 106
 107   std::string str_04("3. 4.5E+2a5E-3 .6E1");
 108   std::stringbuf isbuf_04(str_04);
 109   std::istream is_04(&isbuf_04);
 110
 111   double f;
 112   is_04 >> f;
 113   VERIFY( f == 3.0 );
 114   is_04 >> f;
 115   VERIFY( f == 450.0 );
 116   is_04.ignore();
 117   is_04 >> f;
 118   VERIFY( f == 0.005 );
 119   is_04 >> f;
 120   VERIFY( f == 6 );
 121   VERIFY( is_03.rdstate() == std::ios_base::eofbit );
 122
 123   std::string str_05("0E20 5Ea E16");
 124   std::stringbuf isbuf_05(str_05);
 125   std::istream is_05(&isbuf_05);
 126
 127   is_05 >> f;
 128   VERIFY( f == 0 );
 129   is_05 >> f;
 130   VERIFY( f == 5.0 );
 131   VERIFY( is_05.rdstate() == std::ios_base::goodbit );
 132   is_05.clear();
 133   is_05 >> c;
 134   VERIFY( c == 'a' );
 135   is_05 >> f;
 136   VERIFY( f == 5.0 );
 137   VERIFY( is_05.rdstate() == std::ios_base::failbit );
 138   is_05.clear();
 139   is_05.ignore();
 140   is_05 >> n;
 141   VERIFY( n == 16 );
 142   return test;
 143 }
 144
 145 int main()
 146 {
 147   test10();
 148   return 0;
 149 }