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Fixed exception info bug when boost::exception is derived virtually.

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[SVN r46333]
This commit is contained in:
Emil Dotchevski
2008-06-11 18:24:10 +00:00
parent 3b2a6a2711
commit 421a059421
4 changed files with 66 additions and 25 deletions
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6
include/boost/exception/enable_current_exception.hpp
View File

@ -64,6 +64,9 @@ boost
clone_impl( T const & x ):
T(x)
{
if( boost::exception * be1=dynamic_cast<boost::exception *>(this) )
if( boost::exception const * be2=dynamic_cast<T const *>(&x) )
*be1 = *be2;
}
private:
@ -88,6 +91,9 @@ boost
T(x),
count_(0)
{
if( boost::exception * be1=dynamic_cast<boost::exception *>(this) )
if( boost::exception const * be2=dynamic_cast<T const *>(&x) )
*be1 = *be2;
}
private:

43
test/helper2.cpp
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@ -13,41 +13,60 @@ boost
exception_test
{
inline
some_boost_exception::
some_boost_exception( int x ):
derives_boost_exception::
derives_boost_exception( int x ):
x_(x)
{
}
some_boost_exception::
~some_boost_exception() throw()
derives_boost_exception::
~derives_boost_exception() throw()
{
}
inline
some_std_exception::
some_std_exception( int x ):
derives_boost_exception_virtually::
derives_boost_exception_virtually( int x ):
x_(x)
{
}
some_std_exception::
~some_std_exception() throw()
derives_boost_exception_virtually::
~derives_boost_exception_virtually() throw()
{
}
inline
derives_std_exception::
derives_std_exception( int x ):
x_(x)
{
}
derives_std_exception::
~derives_std_exception() throw()
{
}
template <>
void
throw_test_exception<some_boost_exception>( int x )
throw_test_exception<derives_boost_exception>( int x )
{
boost::throw_exception( some_boost_exception(x) );
boost::throw_exception( derives_boost_exception(x) );
}
template <>
void
throw_test_exception<some_std_exception>( int x )
throw_test_exception<derives_boost_exception_virtually>( int x )
{
boost::throw_exception( some_std_exception(x) );
boost::throw_exception( derives_boost_exception_virtually(x) );
}
template <>
void
throw_test_exception<derives_std_exception>( int x )
{
boost::throw_exception( derives_std_exception(x) );
}
}
}

29
test/helper2.hpp
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@ -16,21 +16,31 @@ boost
exception_test
{
struct
some_boost_exception:
derives_boost_exception:
public boost::exception,
public std::exception
{
explicit some_boost_exception( int x );
virtual ~some_boost_exception() throw();
explicit derives_boost_exception( int x );
virtual ~derives_boost_exception() throw();
int x_;
};
struct
some_std_exception:
derives_boost_exception_virtually:
public virtual boost::exception,
public std::exception
{
explicit some_std_exception( int x );
virtual ~some_std_exception() throw();
explicit derives_boost_exception_virtually( int x );
virtual ~derives_boost_exception_virtually() throw();
int x_;
};
struct
derives_std_exception:
public std::exception
{
explicit derives_std_exception( int x );
virtual ~derives_std_exception() throw();
int x_;
};
@ -38,10 +48,13 @@ boost
void throw_test_exception( int );
template <>
void throw_test_exception<some_boost_exception>( int );
void throw_test_exception<derives_boost_exception>( int );
template <>
void throw_test_exception<some_std_exception>( int );
void throw_test_exception<derives_boost_exception_virtually>( int );
template <>
void throw_test_exception<derives_std_exception>( int );
}
}

13
test/throw_exception_test.cpp
View File

@ -8,7 +8,7 @@
#include <boost/exception_ptr.hpp>
#include <boost/detail/lightweight_test.hpp>
typedef boost::error_info<struct tag_test_int,int> test_int;
typedef boost::error_info<struct tag_test_int,int> test_data;
void
throw_fwd( void (*thrower)(int) )
@ -20,7 +20,7 @@ throw_fwd( void (*thrower)(int) )
catch(
boost::exception & x )
{
x << test_int(42);
x << test_data(42);
throw;
}
}
@ -46,7 +46,9 @@ tester()
catch(
T & y )
{
BOOST_TEST(*boost::get_error_info<test_int>(y)==42);
BOOST_TEST(boost::get_error_info<test_data>(y));
if( boost::shared_ptr<int const> d=boost::get_error_info<test_data>(y) )
BOOST_TEST(*d==42);
BOOST_TEST(y.x_==42);
}
catch(
@ -60,7 +62,8 @@ tester()
int
main()
{
tester<boost::exception_test::some_boost_exception>();
tester<boost::exception_test::some_std_exception>();
tester<boost::exception_test::derives_boost_exception>();
tester<boost::exception_test::derives_boost_exception_virtually>();
tester<boost::exception_test::derives_std_exception>();
return boost::report_errors();
}