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Added value-initialization test to try to reproduce http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30111

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[SVN r61196]
This commit is contained in:
Niels Dekker
2010-04-11 12:33:56 +00:00
parent bb8216ed39
commit b124875c50
1 changed files with 8 additions and 2 deletions
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10
test/boost_no_com_value_init.ipp
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@@ -301,7 +301,11 @@ namespace boost_no_complete_value_initialization
// of an empty set of parentheses, and allows checking whether // of an empty set of parentheses, and allows checking whether
// each of them is indeed value-initialized, as specified by // each of them is indeed value-initialized, as specified by
// the C++ Standard ([dcl.init]). // the C++ Standard ([dcl.init]).
class value_initializer //
// Note: its base class, int_struct, is there to try to reproduce GCC Bug 30111,
// "Value-initialization of POD base class doesn't initialize members",
// reported by Jonathan Wakely: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30111
class value_initializer: int_struct
{ {
private: private:
enum_holder m_enum_holder; enum_holder m_enum_holder;
@@ -360,6 +364,7 @@ namespace boost_no_complete_value_initialization
public: public:
value_initializer() value_initializer()
: :
int_struct(),
m_enum_holder(), m_enum_holder(),
m_enum_holder_array(), m_enum_holder_array(),
m_enum(), m_enum(),
@@ -419,6 +424,7 @@ namespace boost_no_complete_value_initialization
unsigned check() const unsigned check() const
{ {
const unsigned num_failures = const unsigned num_failures =
(IS_VALUE_INITIALIZED(data) ? 0 : 1) +
(IS_VALUE_INITIALIZED(m_enum_holder) ? 0 : 1) + (IS_VALUE_INITIALIZED(m_enum_holder) ? 0 : 1) +
(IS_VALUE_INITIALIZED(m_enum_holder_array[0]) ? 0 : 1) + (IS_VALUE_INITIALIZED(m_enum_holder_array[0]) ? 0 : 1) +
(IS_VALUE_INITIALIZED(m_enum_holder_array[1]) ? 0 : 1) + (IS_VALUE_INITIALIZED(m_enum_holder_array[1]) ? 0 : 1) +
@@ -525,7 +531,7 @@ namespace boost_no_complete_value_initialization
{ {
std::cout << "Number of initialization failures on the stack: " << num_failures_on_stack std::cout << "Number of initialization failures on the stack: " << num_failures_on_stack
<< "\nNumber of initialization failures on the heap: " << num_failures_on_heap << "\nNumber of initialization failures on the heap: " << num_failures_on_heap
<< "\nDetected by boost_no_complete_value_initialization::test() revision 8." << "\nDetected by boost_no_complete_value_initialization::test() revision 9."
<< std::endl; << std::endl;
} }
return static_cast<int>(num_failures_on_stack + num_failures_on_heap); return static_cast<int>(num_failures_on_stack + num_failures_on_heap);