Imported gcc-4.4.3

[msp430-gcc.git] / libstdc++-v3 / testsuite / 27_io / basic_filebuf / underflow / char / 3.cc

diff --git a/libstdc++-v3/testsuite/27_io/basic_filebuf/underflow/char/3.cc b/libstdc++-v3/testsuite/27_io/basic_filebuf/underflow/char/3.cc
new file mode 100644 (file)
index 0000000..4de8a4d
--- /dev/null
+++ b/libstdc++-v3/testsuite/27_io/basic_filebuf/underflow/char/3.cc
@@ -0,0 +1,84 @@
+// Copyright (C) 2007, 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/>.
+
+// 27.8.1.4 Overridden virtual functions
+
+// { dg-require-fileio "" }
+
+#include <fstream>
+#include <cctype>
+#include <locale>
+#include <testsuite_hooks.h>
+
+class Mycvtcc
+: public std::codecvt<char, char, std::mbstate_t>
+{
+protected:
+  virtual result
+  do_in(state_type&,
+       const extern_type* from, const extern_type* from_end,
+       const extern_type*& from_next,
+       intern_type* to, intern_type* to_limit,
+       intern_type*& to_next) const
+  {
+    from_next = from, to_next = to;
+    
+    if (from_next == from_end || to_next == to_limit)
+      return partial;
+    
+    if (std::islower(*from_next))
+      *to_next = std::toupper(*from_next);
+    else
+      *to_next = *from_next;
+    ++from_next, ++to_next;
+    return ok;
+  }
+
+  virtual bool
+  do_always_noconv() const throw()
+  { return false; }
+};
+
+// See Novell Bug 255122
+void test01()
+{
+  bool test __attribute__((unused)) = true;
+  using namespace std;
+
+  const char* name = "tmp_underflow_3.tst";
+  filebuf fbuf, fbufx;
+
+  fbuf.open(name, ios_base::out | ios_base::trunc);
+  VERIFY( fbuf.sputc('a') == 'a' );
+  VERIFY( fbuf.sputc('b') == 'b' );
+  VERIFY( fbuf.sputc('\n') == '\n' );
+  fbuf.close();
+
+  fbufx.pubimbue(locale(locale::classic(), new Mycvtcc));
+  fbufx.open(name, ios_base::in);
+  VERIFY( fbufx.sbumpc() == 'A' );
+  VERIFY( fbufx.sbumpc() == 'B' );
+  VERIFY( fbufx.sbumpc() == '\n' );
+  VERIFY( fbufx.sbumpc() == filebuf::traits_type::eof() );
+  fbufx.close();
+}
+
+int main()
+{
+  test01();
+  return 0;
+}