Imported gcc-4.4.3

[msp430-gcc.git] / libstdc++-v3 / testsuite / 21_strings / basic_string / inserters_extractors / wchar_t / 4.cc

diff --git a/libstdc++-v3/testsuite/21_strings/basic_string/inserters_extractors/wchar_t/4.cc b/libstdc++-v3/testsuite/21_strings/basic_string/inserters_extractors/wchar_t/4.cc
new file mode 100644 (file)
index 0000000..78bdf51
--- /dev/null
+++ b/libstdc++-v3/testsuite/21_strings/basic_string/inserters_extractors/wchar_t/4.cc
@@ -0,0 +1,65 @@
+// 1999-07-01 bkoz
+
+// Copyright (C) 1999, 2000, 2001, 2002, 2003, 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 even 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/>.
+
+// 21.3.7.9 inserters and extractors
+
+// NB: This file is predicated on sstreams, istreams, and ostreams
+// working, not to mention other major details like char_traits, and
+// all of the string class.
+
+#include <string>
+#include <sstream>
+#include <testsuite_hooks.h>
+
+// testing basic_stringbuf::xsputn via stress testing with large strings
+// based on a bug report libstdc++ 9
+void test04(std::size_t size)
+{
+  bool test __attribute__((unused)) = true;
+  std::wstring str(size, L's');
+  std::size_t expected_size = 2 * (size + 1);
+  std::wostringstream oss(str);
+  
+  // sanity checks
+  VERIFY( str.size() == size );
+  VERIFY( oss.good() );
+
+  // stress test
+  oss << str << std::endl;
+  if (!oss.good()) 
+    test = false;
+
+  oss << str << std::endl;
+  if (!oss.good()) 
+    test = false;
+
+  VERIFY( str.size() == size );
+  VERIFY( oss.good() );
+  std::wstring str_tmp = oss.str();
+  VERIFY( str_tmp.size() == expected_size );
+}
+
+int main()
+{ 
+  test04(1); // expected_size == 4
+  test04(1000); // expected_size == 2002
+  test04(10000); // expected_size == 20002
+  return 0;
+}