libstdc++-v3/testsuite/27_io/basic_ios/cons/char/1.cc

   1 // 1999-07-23 bkoz
   2
   3 // Copyright (C) 1999, 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 // As a special exception, you may use this file as part of a free software
  22 // library without restriction.  Specifically, if other files instantiate
  23 // templates or use macros or inline functions from this file, or you compile
  24 // this file and link it with other files to produce an executable, this
  25 // file does not by itself cause the resulting executable to be covered by
  26 // the GNU General Public License.  This exception does not however
  27 // invalidate any other reasons why the executable file might be covered by
  28 // the GNU General Public License.
  29
  30 // 27.4.4.1 basic_ios constructors
  31
  32 #include <ios>
  33 #include <sstream>
  34 #include <testsuite_hooks.h>
  35
  36 void test01()
  37 {
  38   bool test __attribute__((unused)) = true;
  39   std::string str_01("jade cove, big sur");
  40   std::string str_05;
  41   std::stringbuf strb_01;
  42   std::stringbuf strb_02(str_01, std::ios_base::in);
  43   std::stringbuf strb_03(str_01, std::ios_base::out);
  44   const std::ios_base::fmtflags flag01 = std::ios_base::skipws |
  45                                          std::ios_base::dec;
  46   std::ios_base::fmtflags flag02;
  47   const std::locale glocale = std::locale();
  48
  49   // explicit basic_ios(streambuf* sb)
  50   std::ios ios_00(0);
  51   std::ios ios_01(&strb_01);
  52   std::ios ios_02(&strb_02);
  53   std::ios ios_03(&strb_03);
  54
  55   // basic_ios()
  56   // NB: This is protected so need to go through fstream
  57
  58   // void init(sreambuf* sb)
  59   // NB: This is protected so need to go through fstream/stringstream
  60   // Can double-check the accuracy of the above initializations though.
  61   VERIFY( ios_00.rdbuf() == 0 );
  62   VERIFY( ios_00.tie() == 0 );
  63   VERIFY( ios_00.rdstate() == std::ios_base::badbit );
  64   VERIFY( ios_00.exceptions() == std::ios_base::goodbit );
  65   flag02 = ios_00.flags();
  66   VERIFY( flag02 == flag01 );
  67   VERIFY( ios_00.width() == 0 );
  68   VERIFY( ios_00.precision() == 6 );
  69   VERIFY( ios_00.fill() == ios_00.widen(' ') );
  70   VERIFY( ios_00.getloc() == glocale );
  71
  72   VERIFY( ios_01.rdbuf() == &strb_01 );
  73   VERIFY( ios_01.tie() == 0 );
  74   VERIFY( ios_01.rdstate() == std::ios_base::goodbit );
  75   VERIFY( ios_01.exceptions() == std::ios_base::goodbit );
  76   flag02 = ios_01.flags();
  77   VERIFY( flag02 == flag01 );
  78   VERIFY( ios_01.width() == 0 );
  79   VERIFY( ios_01.precision() == 6 );
  80   VERIFY( ios_01.fill() == ios_01.widen(' ') );
  81   VERIFY( ios_01.getloc() == glocale );
  82 }
  83
  84 int main()
  85 {
  86   test01();
  87   return 0;
  88 }