libstdc++-v3/testsuite/27_io/ios_manip_fmtflags.cc

   1 // 981027 ncm work with libstdc++v3
   2
   3 // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002
   4 // Free Software Foundation, Inc.
   5 //
   6 // This file is part of the GNU ISO C++ Library.  This library is free
   7 // software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the
   9 // Free Software Foundation; either version 2, or (at your option)
  10 // any later version.
  11
  12 // This library is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16
  17 // You should have received a copy of the GNU General Public License along
  18 // with this library; see the file COPYING.  If not, write to the Free
  19 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  20 // USA.
  21
  22 // As a special exception, you may use this file as part of a free software
  23 // library without restriction.  Specifically, if other files instantiate
  24 // templates or use macros or inline functions from this file, or you compile
  25 // this file and link it with other files to produce an executable, this
  26 // file does not by itself cause the resulting executable to be covered by
  27 // the GNU General Public License.  This exception does not however
  28 // invalidate any other reasons why the executable file might be covered by
  29 // the GNU General Public License.
  30
  31 #include <sstream>
  32 #include <locale>
  33 #include <iomanip>
  34 #include <testsuite_hooks.h>
  35
  36 struct MyNP : std::numpunct<char>
  37 {
  38   std::string do_truename() const;
  39   std::string do_falsename() const;
  40 };
  41
  42 std::string MyNP::do_truename()  const
  43 {
  44   std::string s("yea");
  45   return s;
  46 }
  47
  48 std::string MyNP::do_falsename() const
  49 {
  50   std::string s("nay");
  51   return s;
  52 }
  53
  54 void
  55 test01()
  56 {
  57   bool test = true;
  58   const char lit[] = "1 0\ntrue false\n:  true:\n:true  :\n: false:\n:  1:"
  59                      "\n:1  :\n:  0:\nyea nay\n:   yea:\n:yea   :\n:   nay:\n";
  60   std::ostringstream oss;
  61   oss << true << " " << false << std::endl;
  62   oss << std::boolalpha;
  63   oss << true << " " << false << std::endl;
  64
  65   oss << ":" << std::setw(6) << std::internal << true << ":" << std::endl;
  66   oss << ":" << std::setw(6) << std::left << true << ":" << std::endl;
  67   oss << ":" << std::setw(6) << std::right << false << ":" << std::endl;
  68   oss << std::noboolalpha;
  69   oss << ":" << std::setw(3) << std::internal << true << ":" << std::endl;
  70   oss << ":" << std::setw(3) << std::left << true << ":" << std::endl;
  71   oss << ":" << std::setw(3) << std::right << false << ":" << std::endl;
  72
  73   std::locale loc = std::locale (std::locale::classic(), new MyNP);
  74   oss.imbue(loc);
  75
  76   oss << std::boolalpha;
  77   oss << true << " " << false << std::endl;
  78
  79   oss << ":" << std::setw(6) << std::internal << true << ":" << std::endl;
  80   oss << ":" << std::setw(6) << std::left << true << ":" << std::endl;
  81   oss << ":" << std::setw(6) << std::right << false << ":" << std::endl;
  82
  83   VERIFY( oss.good() );
  84   VERIFY( oss.str() == lit );
  85 }
  86
  87 void
  88 test02()
  89 {
  90   bool test = true;
  91   const std::string strue("true");
  92   const std::string sfalse("false");
  93   std::string str01;
  94   std::string str02;
  95
  96   std::locale loc("");
  97   std::ostringstream ostr01;
  98   ostr01.imbue(loc);
  99   std::ios_base::fmtflags ff = ostr01.flags(std::ios_base::boolalpha);
 100
 101   ostr01 << true;
 102   str02 = ostr01.str();
 103   VERIFY( str02 == strue );
 104
 105   ostr01.str(str01);
 106   ostr01 << false;
 107   str02 = ostr01.str();
 108   VERIFY( str02 == sfalse );
 109
 110   VERIFY( test );
 111 }
 112
 113 int
 114 main()
 115 {
 116   test01();
 117   test02();
 118   return 0;
 119 }
 120
 121 // Projected output:
 122 /*
 123 1 0
 124 true false
 125 :  true:
 126 :true  :
 127 : false:
 128 :  1:
 129 :1  :
 130 :  0:
 131 yea nay
 132 :   yea:
 133 :yea   :
 134 :   nay:
 135 */