1 files changed, 41 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/27_io/objects/wchar_t/12048-4.cc b/libstdc++-v3/testsuite/27_io/objects/wchar_t/12048-4.cc
new file mode 100644
index 00000000000..5096cd055e3
--- /dev/null
+++ b/libstdc++-v3/testsuite/27_io/objects/wchar_t/12048-4.cc
@@ -0,0 +1,41 @@
+// Copyright (C) 2003 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 2, 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 COPYING.  If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+#include <iostream>
+#include <cstdio>
+#include <cwchar>
+#include <testsuite_hooks.h>
+
+void
+test01()
+{
+  std::freopen("cin_unget-1.txt", "r", stdin);
+
+  wchar_t buf[2];
+  VERIFY( std::wcin.rdbuf()->sgetn(buf, 2) == 2 );
+  wint_t c1 = std::wcin.rdbuf()->sungetc();
+  wint_t c2 = std::fgetwc(stdin);
+  VERIFY( c1 == std::char_traits<wchar_t>::to_int_type(buf[1]) );
+  VERIFY( c2 == c1 );
+}
+
+int main(void)
+{
+  test01();
+  return 0;
+}