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extern/stdcxx/4.2.1/tests/regress/27.filebuf.virtuals.stdcxx-522.cpp

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+/************************************************************************
+*
+* 27.filebuf.virtuals.stdcxx-522.cpp - regression test for STDCXX-522
+*
+* http://issues.apache.org/jira/browse/STDCXX-522
+*
+* $Id: 27.filebuf.virtuals.stdcxx-522.cpp 620105 2008-02-09 13:25:00Z faridz $
+*
+***************************************************************************
+*
+* Licensed to the Apache Software  Foundation (ASF) under one or more
+* contributor  license agreements.  See  the NOTICE  file distributed
+* with  this  work  for  additional information  regarding  copyright
+* ownership.   The ASF  licenses this  file to  you under  the Apache
+* License, Version  2.0 (the  "License"); you may  not use  this file
+* except in  compliance with the License.   You may obtain  a copy of
+* the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the  License is distributed on an  "AS IS" BASIS,
+* WITHOUT  WARRANTIES OR CONDITIONS  OF ANY  KIND, either  express or
+* implied.   See  the License  for  the  specific language  governing
+* permissions and limitations under the License.
+*
+**************************************************************************/
+
+#include <cassert>
+#include <fstream>
+#include <ios>
+
+int main ()
+{
+    struct MyBuf : std::filebuf {
+        int_type overflow (int_type c) {
+            return std::filebuf::overflow (c);
+        }
+    } buf;
+
+    buf.open ("file", std::ios::out);
+    buf.pubsetbuf (0, 0);
+    buf.overflow (std::filebuf::traits_type::eof ());
+    buf.close ();
+
+    std::ifstream in ("file");
+    assert (std::istream::traits_type::eof () == in.get ());
+}