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