65 lines
2.1 KiB
C++
65 lines
2.1 KiB
C++
/************************************************************************
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*
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* 27.stringbuf.members.stdcxx-427.cpp - test case from STDCXX-427 issue
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*
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* $Id: 27.stringbuf.members.stdcxx-427.cpp 550991 2007-06-26 23:58:07Z sebor $
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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 <cassert>
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#include <cstdio>
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#include <sstream>
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int main ()
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{
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struct Buf: std::stringbuf {
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Buf (std::string s, std::ios::openmode m)
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: std::stringbuf (s, m) { }
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void setget (int beg, int cur, int end) {
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setg (eback () + beg, eback () + cur, eback () + end);
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}
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void setput (int beg, int cur, int end) {
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setp (pbase () + beg, pbase () + end);
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pbump (cur);
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}
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};
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{
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Buf buf ("abcde", std::ios::in);
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buf.setget (1, 2, 4);
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std::printf ("%s\n", buf.str ().c_str ());
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assert ("bcd" == buf.str ());
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}
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{
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Buf buf ("abcde", std::ios::out);
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buf.setput (1, 2, 4);
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std::printf ("%s\n", buf.str ().c_str ());
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assert ("bcde" == buf.str ());
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}
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{
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Buf buf ("abcde", std::ios::openmode ());
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std::printf ("%s\n", buf.str ().c_str ());
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assert ("" == buf.str ());
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}
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}
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