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