libstdc++-v3/testsuite/25_algorithms/find/istreambuf_iterators/wchar_t/1.cc

   1 // 2006-03-20  Paolo Carlini  <pcarlini@suse.de>
   2
   3 // Copyright (C) 2006-2020 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 3, 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 COPYING3.  If not see
  18 // <http://www.gnu.org/licenses/>.
  19
  20 #include <iterator>
  21 #include <sstream>
  22 #include <algorithm>
  23 #include <testsuite_hooks.h>
  24
  25 // In the occasion of libstdc++/25482
  26 void test01()
  27 {
  28   using namespace std;
  29
  30   typedef istreambuf_iterator<wchar_t> in_iterator_type;
  31
  32   const wchar_t data1[] = L"Drei Phantasien nach Friedrich Holderlin";
  33   const wstring str1(data1);
  34   wistringstream iss1(str1);
  35   in_iterator_type beg1(iss1);
  36   in_iterator_type end1, it1;
  37
  38   it1 = find(beg1, beg1, L'l');
  39   VERIFY( it1 == beg1 );
  40   VERIFY( *it1 == L'D' );
  41
  42   it1 = find(end1, end1, L'D');
  43   VERIFY( it1 == end1 );
  44
  45   it1 = find(end1, end1, L'Z');
  46   VERIFY( it1 == end1 );
  47
  48   it1 = find(beg1, end1, L'P');
  49   VERIFY( *it1 == L'P' );
  50   it1 = find(beg1, end1, L't');
  51   VERIFY( *it1 == L't' );
  52   ++it1;
  53   VERIFY( *it1 == L'a' );
  54
  55   it1 = find(beg1, end1, L'H');
  56   VERIFY( *it1 == L'H' );
  57   it1 = find(beg1, end1, L'l');
  58   VERIFY( *it1 == L'l' );
  59   ++it1;
  60   it1 = find(beg1, end1, L'l');
  61   VERIFY( *it1 == L'l' );
  62   ++it1;
  63   VERIFY( *it1 == L'i' );
  64   it1 = find(beg1, end1, L'Z');
  65   VERIFY( it1 == end1 );
  66
  67   it1 = find(beg1, end1, L'D');
  68   VERIFY( it1 == end1 );
  69
  70   iss1.seekg(0);
  71   it1 = find(beg1, end1, L'D');
  72   VERIFY( it1 != end1 );
  73   VERIFY( *it1 == L'D' );
  74   ++it1;
  75   VERIFY( *it1 == L'r' );
  76 }
  77
  78 int main()
  79 {
  80   test01();
  81   return 0;
  82 }