| /************************************************************************ |
| * |
| * 27.stringbuf.overflow.stdcxx-149.cpp - regression test for STDCXX-149 |
| * |
| * http://issues.apache.org/jira/browse/STDCXX-149 |
| * |
| * $Id$ |
| * |
| *************************************************************************** |
| * |
| * 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 <sstream> |
| |
| int main () |
| { |
| // Exercise the implementation of the resolution of LWG issue 432: |
| // http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-defects.html#432 |
| |
| struct MyBuf : std::stringbuf { |
| using std::stringbuf::eback; |
| using std::stringbuf::egptr; |
| using std::stringbuf::pbase; |
| using std::stringbuf::pptr; |
| using std::stringbuf::epptr; |
| using std::stringbuf::overflow; |
| } buf; |
| |
| buf.overflow ('x'); |
| |
| const int write_positions = int (buf.epptr () - buf.pbase ()); |
| |
| const int pass = 1 < write_positions; |
| |
| assert (pass); |
| |
| return 1 - pass; |
| } |