55 lines
1.8 KiB
C++
55 lines
1.8 KiB
C++
/************************************************************************
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*
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* 27.stringbuf.xsputn.stdcxx-576.cpp - test case from STDCXX-576 issue
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*
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* $Id: 27.stringbuf.xsputn.stdcxx-576.cpp 590132 2007-10-30 16:01:33Z faridz $
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*
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***************************************************************************
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* permissions and limitations under the License.
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*
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**************************************************************************/
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#include <sstream> // for stringbuf
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#include <string> // for string
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#include <cassert> // for assert()
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struct PubBuf: std::stringbuf
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{
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char* Pbase () const { return this->pbase (); }
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};
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int main ()
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{
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// 512 is the default buffer size of the basic_stringbuf
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std::string s (512, 'a');
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std::stringbuf sbuf (s);
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PubBuf& buf = (PubBuf&)sbuf;
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std::streamsize res = buf.sputn (buf.Pbase (), 128);
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s.append (s.begin (), s.begin () + 128);
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const std::string& str = buf.str ();
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assert (res == 128);
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assert (str.size () == s.size ());
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assert (str == s);
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return 0;
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}
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