+// 2006-03-20 Paolo Carlini <pcarlini@suse.de>
+
+// Copyright (C) 2006, 2009 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without Pred the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
+
+#include <iterator>
+#include <sstream>
+#include <algorithm>
+#include <testsuite_hooks.h>
+
+// In the occasion of libstdc++/25482
+void test01()
+{
+ bool test __attribute__((unused)) = true;
+ using namespace std;
+
+ typedef ostreambuf_iterator<wchar_t> out_iterator_type;
+
+ const wchar_t data1[] = L"Drei Phantasien nach Friedrich Holderlin";
+ const wstring str1(data1);
+ const wchar_t* beg1 = data1;
+ const wchar_t* end1 = beg1 + str1.size();
+
+ wostringstream oss1;
+ out_iterator_type out1(oss1);
+
+ out1 = copy(beg1, beg1, out1);
+ VERIFY( oss1.str().empty() );
+
+ out1 = copy(end1, end1, out1);
+ VERIFY( oss1.str().empty() );
+
+ out1 = copy(beg1, end1, out1);
+ VERIFY( oss1.str() == str1 );
+ *out1 = L'x';
+ VERIFY( oss1.str() == str1 + L'x' );
+ oss1.str(L"");
+
+ oss1.seekp(0);
+ oss1.str(L"");
+ out1 = copy(beg1, end1, out1);
+ VERIFY( oss1.str() == str1 );
+ *out1 = L'y';
+ VERIFY( oss1.str() == str1 + L'y' );
+ oss1.str(L"");
+ out1 = copy(beg1, end1, out1);
+ VERIFY( oss1.str() == str1 );
+
+ out1 = copy(beg1, end1, out1);
+ VERIFY( oss1.str() == str1 + str1 );
+}
+
+int main()
+{
+ test01();
+ return 0;
+}