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- /*
- * Copyright Andrey Semashev 2007 - 2015.
- * Distributed under the Boost Software License, Version 1.0.
- * (See accompanying file LICENSE_1_0.txt or copy at
- * http://www.boost.org/LICENSE_1_0.txt)
- */
- /*!
- * \file util_exception_handler.cpp
- * \author Andrey Semashev
- * \date 13.07.2009
- *
- * \brief This header contains tests for the exception handler functional objects.
- */
- #define BOOST_TEST_MODULE util_exception_handler
- #include <string>
- #include <typeinfo>
- #include <stdexcept>
- #include <boost/mpl/vector.hpp>
- #include <boost/smart_ptr/scoped_ptr.hpp>
- #include <boost/test/unit_test.hpp>
- #include <boost/log/utility/exception_handler.hpp>
- namespace logging = boost::log;
- namespace {
- struct my_handler1
- {
- typedef void result_type;
- std::type_info const*& m_pExceptionType;
- my_handler1(std::type_info const*& p) : m_pExceptionType(p) {}
- void operator() (std::exception&) const
- {
- m_pExceptionType = &typeid(std::exception);
- }
- void operator() (std::runtime_error&) const
- {
- m_pExceptionType = &typeid(std::runtime_error);
- }
- };
- struct my_handler2
- {
- typedef void result_type;
- typedef boost::mpl::vector< std::runtime_error, std::exception >::type exception_types;
- std::type_info const*& m_pExceptionType;
- explicit my_handler2(std::type_info const*& p) : m_pExceptionType(p) {}
- void operator() (std::exception&) const
- {
- m_pExceptionType = &typeid(std::exception);
- }
- void operator() (std::runtime_error&) const
- {
- m_pExceptionType = &typeid(std::runtime_error);
- }
- };
- struct my_handler1_nothrow
- {
- typedef void result_type;
- std::type_info const*& m_pExceptionType;
- my_handler1_nothrow(std::type_info const*& p) : m_pExceptionType(p) {}
- void operator() (std::exception&) const
- {
- m_pExceptionType = &typeid(std::exception);
- }
- void operator() (std::runtime_error&) const
- {
- m_pExceptionType = &typeid(std::runtime_error);
- }
- void operator() () const
- {
- m_pExceptionType = &typeid(void);
- }
- };
- struct my_handler2_nothrow
- {
- typedef void result_type;
- typedef boost::mpl::vector< std::runtime_error, std::exception >::type exception_types;
- std::type_info const*& m_pExceptionType;
- explicit my_handler2_nothrow(std::type_info const*& p) : m_pExceptionType(p) {}
- void operator() (std::exception&) const
- {
- m_pExceptionType = &typeid(std::exception);
- }
- void operator() (std::runtime_error&) const
- {
- m_pExceptionType = &typeid(std::runtime_error);
- }
- void operator() () const
- {
- m_pExceptionType = &typeid(void);
- }
- };
- struct my_exception {};
- struct my_function0
- {
- struct impl_base
- {
- virtual ~impl_base() {}
- virtual void invoke() = 0;
- };
- template< typename T >
- struct impl : public impl_base
- {
- T m_Fun;
- explicit impl(T const& fun) : m_Fun(fun) {}
- void invoke() { m_Fun(); }
- };
- private:
- boost::scoped_ptr< impl_base > m_pImpl;
- public:
- template< typename T >
- my_function0& operator= (T const& fun)
- {
- m_pImpl.reset(new impl< T >(fun));
- return *this;
- }
- void operator() () const
- {
- m_pImpl->invoke();
- }
- };
- } // namespace
- // Tests for handler with explicit exception types specification
- BOOST_AUTO_TEST_CASE(explicit_exception_types)
- {
- std::type_info const* pExceptionType = 0;
- my_function0 handler;
- handler = logging::make_exception_handler<
- std::runtime_error,
- std::exception
- >(my_handler1(pExceptionType));
- try
- {
- throw std::runtime_error("error");
- }
- catch (...)
- {
- handler();
- }
- BOOST_REQUIRE(pExceptionType != 0);
- BOOST_CHECK(*pExceptionType == typeid(std::runtime_error));
- pExceptionType = 0;
- try
- {
- throw std::logic_error("error");
- }
- catch (...)
- {
- handler();
- }
- BOOST_REQUIRE(pExceptionType != 0);
- BOOST_CHECK(*pExceptionType == typeid(std::exception));
- pExceptionType = 0;
- try
- {
- throw my_exception();
- }
- catch (...)
- {
- BOOST_CHECK_THROW(handler(), my_exception);
- }
- BOOST_REQUIRE(pExceptionType == 0);
- // Verify that exception types are checked in the specified order
- handler = logging::make_exception_handler<
- std::exception,
- std::runtime_error
- >(my_handler1(pExceptionType));
- try
- {
- throw std::runtime_error("error");
- }
- catch (...)
- {
- handler();
- }
- BOOST_REQUIRE(pExceptionType != 0);
- BOOST_CHECK(*pExceptionType == typeid(std::exception));
- pExceptionType = 0;
- }
- // Tests for handler with explicit exception types specification (no-throw version)
- BOOST_AUTO_TEST_CASE(explicit_exception_types_nothrow)
- {
- std::type_info const* pExceptionType = 0;
- my_function0 handler;
- handler = logging::make_exception_handler<
- std::runtime_error,
- std::exception
- >(my_handler1_nothrow(pExceptionType), std::nothrow);
- try
- {
- throw std::runtime_error("error");
- }
- catch (...)
- {
- handler();
- }
- BOOST_REQUIRE(pExceptionType != 0);
- BOOST_CHECK(*pExceptionType == typeid(std::runtime_error));
- pExceptionType = 0;
- try
- {
- throw std::logic_error("error");
- }
- catch (...)
- {
- handler();
- }
- BOOST_REQUIRE(pExceptionType != 0);
- BOOST_CHECK(*pExceptionType == typeid(std::exception));
- pExceptionType = 0;
- try
- {
- throw my_exception();
- }
- catch (...)
- {
- BOOST_CHECK_NO_THROW(handler());
- }
- BOOST_REQUIRE(pExceptionType != 0);
- BOOST_CHECK(*pExceptionType == typeid(void));
- pExceptionType = 0;
- // Verify that exception types are checked in the specified order
- handler = logging::make_exception_handler<
- std::exception,
- std::runtime_error
- >(my_handler1_nothrow(pExceptionType), std::nothrow);
- try
- {
- throw std::runtime_error("error");
- }
- catch (...)
- {
- handler();
- }
- BOOST_REQUIRE(pExceptionType != 0);
- BOOST_CHECK(*pExceptionType == typeid(std::exception));
- pExceptionType = 0;
- }
- // Tests for handler with self-contained exception types
- BOOST_AUTO_TEST_CASE(self_contained_exception_types)
- {
- std::type_info const* pExceptionType = 0;
- my_function0 handler;
- handler = logging::make_exception_handler(my_handler2(pExceptionType));
- try
- {
- throw std::runtime_error("error");
- }
- catch (...)
- {
- handler();
- }
- BOOST_REQUIRE(pExceptionType != 0);
- BOOST_CHECK(*pExceptionType == typeid(std::runtime_error));
- pExceptionType = 0;
- try
- {
- throw std::logic_error("error");
- }
- catch (...)
- {
- handler();
- }
- BOOST_REQUIRE(pExceptionType != 0);
- BOOST_CHECK(*pExceptionType == typeid(std::exception));
- pExceptionType = 0;
- try
- {
- throw my_exception();
- }
- catch (...)
- {
- BOOST_CHECK_THROW(handler(), my_exception);
- }
- BOOST_REQUIRE(pExceptionType == 0);
- }
- // Tests for handler with self-contained exception types (no-throw version)
- BOOST_AUTO_TEST_CASE(self_contained_exception_types_nothrow)
- {
- std::type_info const* pExceptionType = 0;
- my_function0 handler;
- handler = logging::make_exception_handler(my_handler2_nothrow(pExceptionType), std::nothrow);
- try
- {
- throw std::runtime_error("error");
- }
- catch (...)
- {
- handler();
- }
- BOOST_REQUIRE(pExceptionType != 0);
- BOOST_CHECK(*pExceptionType == typeid(std::runtime_error));
- pExceptionType = 0;
- try
- {
- throw std::logic_error("error");
- }
- catch (...)
- {
- handler();
- }
- BOOST_REQUIRE(pExceptionType != 0);
- BOOST_CHECK(*pExceptionType == typeid(std::exception));
- pExceptionType = 0;
- try
- {
- throw my_exception();
- }
- catch (...)
- {
- BOOST_CHECK_NO_THROW(handler());
- }
- BOOST_REQUIRE(pExceptionType != 0);
- BOOST_CHECK(*pExceptionType == typeid(void));
- pExceptionType = 0;
- }
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