106 lines
2.8 KiB
C++
106 lines
2.8 KiB
C++
/************************************************************************
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*
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* 21.string.append.stdcxx-438.cpp - regression test for STDCXX-438
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*
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* https://issues.apache.org/jira/browse/STDCXX-438
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*
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* $Id: 21.string.append.stdcxx-438.cpp 641433 2008-03-26 17:39:28Z 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 <cstdlib>
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#include <cstring>
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#include <iterator>
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#include <new>
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#include <string>
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#ifndef _RWSTD_NO_REPLACEABLE_NEW_DELETE
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// disabled for compilers that can't reliably replace the operators
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void* operator new (std::size_t n) throw (std::bad_alloc)
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{
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void* const ptr = std::malloc (n + sizeof n);
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std::memset (ptr, -1, n);
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*(std::size_t*)ptr = n;
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return (std::size_t*)ptr + 1;
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}
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void operator delete (void *ptr) throw ()
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{
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if (ptr) {
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std::memset (ptr, -1, *((std::size_t*)ptr - 1));
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std::free ((std::size_t*)ptr - 1);
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}
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}
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#endif // _RWSTD_NO_REPLACEABLE_NEW_DELETE
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struct InputIterator: std::iterator<std::input_iterator_tag, char>
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{
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const char *p_;
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InputIterator (const char *p): p_ (p) { }
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char operator* () const { return *p_; }
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InputIterator& operator++ () { return ++p_, *this; }
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InputIterator operator++ (int) {
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return ++p_, InputIterator (p_ - 1);
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}
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bool operator== (const InputIterator &rhs) const { return p_ == rhs.p_; }
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};
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int main ()
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{
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const char s[] = "abc";
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{
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std::string str (s);
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const char* p0 = s + 1;
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const char* p1 = p0 + 1;
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const InputIterator first (p0);
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const InputIterator last (p1);
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str.append (first, last);
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assert ("abcb" == str);
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}
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{
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std::string str (s);
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const char* p0 = str.data () + 1;
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const char* p1 = p0 + 1;
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const InputIterator first (p0);
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const InputIterator last (p1);
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str.append (first, last);
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assert ("abcb" == str);
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}
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return 0;
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}
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