| /************************************************************************ |
| * |
| * 21.string.stdcxx-162.cpp - regression test for STDCXX-162 |
| * |
| * https://issues.apache.org/jira/browse/STDCXX-162 |
| * |
| * $Id$ |
| * |
| *************************************************************************** |
| * |
| * 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 <string> |
| |
| #ifdef _RWSTD_POSIX_THREADS |
| # include <pthread.h> |
| # define MUTEX pthread_mutex_t |
| #elif _RWSTD_SOLARIS_THREADS |
| # include <thread.h> |
| # define MUTEX mutex_t |
| #endif // _RWSTD_POSIX_THREADS |
| |
| int main () |
| { |
| typedef std::char_traits<char> Traits; |
| typedef std::allocator<char> Allocator; |
| typedef __rw::__string_ref<char, Traits, Allocator> strref; |
| |
| struct SmallRef { |
| int ref_count; |
| std::string::size_type capacity; |
| std::string::size_type size; |
| }; |
| |
| // verify that the reference-counted string body isn't bigger |
| // than the struct above |
| assert (sizeof (strref) <= sizeof (SmallRef)); |
| |
| #ifdef MUTEX |
| |
| struct LargeRef { |
| MUTEX mutex; |
| int ref_count; |
| std::string::size_type capacity; |
| std::string::size_type size; |
| }; |
| |
| // verify that the reference-counted string body is smaller |
| // than the struct containing a full-blown mutex object above |
| assert (sizeof (strref) < sizeof (LargeRef)); |
| |
| #endif // MUTEX |
| |
| return 0; |
| } |