libstdc++-v3/testsuite/27_io/basic_streambuf/cons/57394.cc

   1 // Copyright (C) 2014-2016 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 3, or (at your option)
   7 // any later version.
   8
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18 // { dg-options "-std=gnu++11" }
  19 // { dg-require-namedlocale "de_DE.ISO8859-15" }
  20
  21 // 27.6.3 template class basic_streambuf
  22
  23 #include <streambuf>
  24 #include <testsuite_hooks.h>
  25
  26 struct streambuf : std::streambuf
  27 {
  28   streambuf()
  29   {
  30     setp(pbuf, std::end(pbuf));
  31     setg(gbuf, gbuf, gbuf);
  32   }
  33
  34   streambuf(const std::locale& loc) : streambuf()
  35   {
  36     imbue(loc);
  37   }
  38
  39   // implement tests as member functions to be able to call protected members
  40   void test_copy() const;
  41   void test_assign() const;
  42   void test_swap() const;
  43
  44   char gbuf[32];
  45   char pbuf[32];
  46 };
  47
  48 void streambuf::test_copy() const
  49 {
  50   bool test __attribute__((unused)) = true;
  51
  52   streambuf a(*this);
  53
  54   VERIFY( eback()  == a.eback() );
  55   VERIFY( gptr()   == a.gptr() );
  56   VERIFY( egptr()  == a.egptr() );
  57   VERIFY( pbase()  == a.pbase() );
  58   VERIFY( pptr()   == a.pptr() );
  59   VERIFY( epptr()  == a.epptr() );
  60   VERIFY( getloc() == a.getloc() );
  61 }
  62
  63 void streambuf::test_assign() const
  64 {
  65   bool test __attribute__((unused)) = true;
  66
  67   streambuf a;
  68   a = *this;
  69
  70   VERIFY( eback()  == a.eback() );
  71   VERIFY( gptr()   == a.gptr() );
  72   VERIFY( egptr()  == a.egptr() );
  73   VERIFY( pbase()  == a.pbase() );
  74   VERIFY( pptr()   == a.pptr() );
  75   VERIFY( epptr()  == a.epptr() );
  76   VERIFY( getloc() == a.getloc() );
  77 }
  78
  79 void streambuf::test_swap() const
  80 {
  81   bool test __attribute__((unused)) = true;
  82
  83   streambuf a(*this);
  84   streambuf b;
  85   const streambuf c(b);
  86
  87   a.swap(b);
  88
  89   VERIFY( eback()  == b.eback() );
  90   VERIFY( gptr()   == b.gptr() );
  91   VERIFY( egptr()  == b.egptr() );
  92   VERIFY( pbase()  == b.pbase() );
  93   VERIFY( pptr()   == b.pptr() );
  94   VERIFY( epptr()  == b.epptr() );
  95   VERIFY( getloc() == b.getloc() );
  96
  97   VERIFY( c.eback()  == a.eback() );
  98   VERIFY( c.gptr()   == a.gptr() );
  99   VERIFY( c.egptr()  == a.egptr() );
 100   VERIFY( c.pbase()  == a.pbase() );
 101   VERIFY( c.pptr()   == a.pptr() );
 102   VERIFY( c.epptr()  == a.epptr() );
 103   VERIFY( c.getloc() == a.getloc() );
 104 }
 105
 106 int main()
 107 {
 108   std::locale loc(ISO_8859(15,de_DE));
 109   streambuf s(loc);
 110   s.test_copy();
 111   s.test_assign();
 112   s.test_swap();
 113 }