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/*
* Copyright Andrey Semashev 2007 - 2014.
* 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 <memory>
#include <string>
#include <typeinfo>
#include <stdexcept>
#include <boost/mpl/vector.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:
std::auto_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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