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00f4f11f14
The deleter can be called on a null pointer by shared_ptr. Also added tests with unique_ptr from Boost.Move and shared_ptr from Boost.SmartPtr.
74 lines
2.1 KiB
C++
74 lines
2.1 KiB
C++
/*
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* Copyright Andrey Semashev 2022.
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* Distributed under the Boost Software License, Version 1.0.
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* (See accompanying file LICENSE_1_0.txt or copy at
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* http://www.boost.org/LICENSE_1_0.txt)
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*/
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/*!
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* \file fclose_deleter_test.cpp
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* \author Andrey Semashev
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* \date 21.09.2022
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*
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* This file contains tests for \c boost::fclose_deleter.
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*/
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#include <boost/core/fclose_deleter.hpp>
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#include <cstdio>
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#include <cstddef>
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#include <boost/config.hpp>
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#include <boost/move/unique_ptr.hpp>
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#include <boost/smart_ptr/shared_ptr.hpp>
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#if !defined(BOOST_NO_CXX11_SMART_PTR)
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#include <memory>
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#endif
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boost::movelib::unique_ptr< std::FILE, boost::fclose_deleter > make_boost_unique_file(const char* filename)
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{
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return boost::movelib::unique_ptr< std::FILE, boost::fclose_deleter >(std::fopen(filename, "w"));
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}
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boost::shared_ptr< std::FILE > make_boost_shared_file(const char* filename)
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{
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return boost::shared_ptr< std::FILE >(std::fopen(filename, "w"), boost::fclose_deleter());
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}
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#if !defined(BOOST_NO_CXX11_SMART_PTR)
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std::unique_ptr< std::FILE, boost::fclose_deleter > make_std_unique_file(const char* filename)
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{
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return std::unique_ptr< std::FILE, boost::fclose_deleter >(std::fopen(filename, "w"));
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}
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std::shared_ptr< std::FILE > make_std_shared_file(const char* filename)
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{
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return std::shared_ptr< std::FILE >(std::fopen(filename, "w"), boost::fclose_deleter());
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}
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#endif
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int main()
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{
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const char* const filename = "fcd_test.txt";
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std::FILE* file = std::fopen(filename, "w");
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if (file)
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{
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boost::fclose_deleter()(file);
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file = NULL;
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}
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make_boost_unique_file(filename);
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make_boost_shared_file(filename);
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#if !defined(BOOST_NO_CXX11_SMART_PTR)
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make_std_unique_file(filename);
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make_std_shared_file(filename);
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#endif
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// Test if the deleter can be called on a NULL pointer
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boost::shared_ptr< std::FILE >(static_cast< std::FILE* >(NULL), boost::fclose_deleter());
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#if !defined(BOOST_NO_CXX11_SMART_PTR)
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std::shared_ptr< std::FILE >(static_cast< std::FILE* >(NULL), boost::fclose_deleter());
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#endif
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std::remove(filename);
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}
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