79 lines
2.5 KiB
C++
79 lines
2.5 KiB
C++
/**************************************************************************
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*
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* 27.basic.ios.copyfmt.stdcxx-766.cpp - regression test for STDCXX-766
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*
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* http://issues.apache.org/jira/browse/STDCXX-766
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*
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* $Id: 27.basic.ios.copyfmt.stdcxx-766.cpp 648752 2008-04-16 17:01:56Z 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 <cassert>
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#include <ios>
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#include <iosfwd>
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#include <locale>
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#include <ostream>
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int main ()
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{
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struct: std::streambuf { } xsb, ysb;
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std::ostream xstrm (0);
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std::ostream ystrm (0);
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std::ios x (&xsb);
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std::ios y (&ysb);
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x.tie (&xstrm);
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const std::ios::iostate x_rdstate = x.rdstate ();
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const std::streambuf* const x_rdbuf = x.rdbuf ();
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const std::locale loc =
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std::locale (std::locale::classic (), new std::numpunct<char>());
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// set up y to be different from x
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y.tie (&ystrm);
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y.exceptions (y.eofbit);
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y.setf (y.boolalpha);
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y.precision (x.precision () + 1);
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y.width (x.width () + 1);
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y.fill (x.fill () + 1);
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y.imbue (loc);
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// verify test preconditions
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assert (x.tie () != y.tie ());
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assert (x.getloc () != y.getloc ());
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x.copyfmt (y);
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// verify copyfmt() postconditions
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assert (x.rdbuf () == x_rdbuf);
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assert (x.tie () == y.tie ());
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assert (x.rdstate () == x_rdstate);
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assert (x.exceptions () == y.exceptions ());
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assert (x.flags () == y.flags ());
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assert (x.precision () == y.precision ());
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assert (x.width () == y.width ());
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assert (x.fill () == y.fill ());
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assert (x.getloc () == y.getloc ());
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}
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