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Added value-initialization test for temporary objects.

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[SVN r61272]
This commit is contained in:
Niels Dekker
2010-04-14 09:35:51 +00:00
parent 7254f02010
commit 4dc213e6e2
1 changed files with 66 additions and 13 deletions
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79
test/boost_no_com_value_init.ipp
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@ -538,6 +538,38 @@ namespace boost_no_complete_value_initialization
}
};
// Checks value-initialization of a number of small temporary objects.
// Returns the number of failures.
unsigned check_value_initialization_of_temporaries()
{
const unsigned num_failures =
FAILED_TO_VALUE_INITIALIZE(enum_holder()) +
FAILED_TO_VALUE_INITIALIZE(enum_type()) +
FAILED_TO_VALUE_INITIALIZE(char()) +
FAILED_TO_VALUE_INITIALIZE(short()) +
FAILED_TO_VALUE_INITIALIZE(int()) +
FAILED_TO_VALUE_INITIALIZE(unsigned()) +
FAILED_TO_VALUE_INITIALIZE(long()) +
FAILED_TO_VALUE_INITIALIZE(float()) +
FAILED_TO_VALUE_INITIALIZE(double()) +
FAILED_TO_VALUE_INITIALIZE(int_struct()) +
FAILED_TO_VALUE_INITIALIZE(int_struct_holder()) +
FAILED_TO_VALUE_INITIALIZE(pod_struct()) +
FAILED_TO_VALUE_INITIALIZE(derived_pod_struct()) +
FAILED_TO_VALUE_INITIALIZE(derived_struct()) +
FAILED_TO_VALUE_INITIALIZE(derived_int_struct()) +
FAILED_TO_VALUE_INITIALIZE(char_array_struct()) +
FAILED_TO_VALUE_INITIALIZE(int_array_pair()) +
FAILED_TO_VALUE_INITIALIZE(enum_holder_and_int()) +
FAILED_TO_VALUE_INITIALIZE(private_and_protected_int()) +
FAILED_TO_VALUE_INITIALIZE(user_defined_destructor_holder()) +
FAILED_TO_VALUE_INITIALIZE(virtual_destructor_holder()) +
FAILED_TO_VALUE_INITIALIZE(non_pod_class()) +
FAILED_TO_VALUE_INITIALIZE(pod_struct_and_int_union()) +
FAILED_TO_VALUE_INITIALIZE(int_and_pod_struct_union());
return num_failures;
}
// Equivalent to the dirty_stack() function from GCC Bug 33916,
// "Default constructor fails to initialize array members", reported in 2007 by
@ -554,40 +586,61 @@ namespace boost_no_complete_value_initialization
int test()
{
// Check value-initialization of a temporary object, an object on the stack,
// and one on the heap:
// Check value-initialization of the data members of a temporary object,
// an object on the stack, an object on the heap, and a number of small
// temporary objects.
unsigned total_num_failures = 0;
dirty_stack();
const unsigned num_failures_of_a_temporary = value_initializer().check();
if ( num_failures_of_a_temporary > 0 )
total_num_failures += num_failures_of_a_temporary;
if ( total_num_failures > 0 )
{
std::cout << "- Number of initialization failures of a temporary: "
std::cout << "- Number of member initialization failures of a temporary: "
<< num_failures_of_a_temporary << std::endl;
}
dirty_stack();
value_initializer object_on_stack;
const unsigned num_failures_on_stack = object_on_stack.check();
if ( num_failures_of_a_temporary > 0 || num_failures_on_stack > 0 )
total_num_failures += num_failures_on_stack;
if ( total_num_failures > 0 )
{
std::cout << "- Number of initialization failures on the stack: "
std::cout << "- Number of member initialization failures on the stack: "
<< num_failures_on_stack << std::endl;
}
const value_initializer* const ptr = new value_initializer();
const unsigned num_failures_on_heap = ptr->check();
delete ptr;
const unsigned total_num_failures = num_failures_of_a_temporary +
num_failures_on_stack + num_failures_on_heap;
total_num_failures += num_failures_on_heap;
if ( total_num_failures > 0 )
{
std::cout << "- Number of member initialization failures on the heap: "
<< num_failures_on_heap << std::endl;
}
dirty_stack();
const unsigned num_failures_of_temporaries = check_value_initialization_of_temporaries();
total_num_failures += num_failures_of_temporaries;
if ( total_num_failures > 0 )
{
std::cout << "- Number of initialization failures of temporary objects: "
<< num_failures_of_temporaries << std::endl;
}
if ( total_num_failures > 0 )
{
std::cout << "- Number of initialization failures on the heap: "
<< num_failures_on_heap
<< "\n-- Total number of initialization failures ("
std::cout << "-- Total number of initialization failures ("
<< num_failures_of_a_temporary << '+'
<< num_failures_on_stack << '+'
<< num_failures_on_heap << "): "
<< num_failures_on_heap << '+'
<< num_failures_of_temporaries << "): "
<< total_num_failures
<< "\nDetected by boost_no_complete_value_initialization::test() revision 13."
<< "\nDetected by boost_no_complete_value_initialization::test() revision 14."
<< std::endl;
}
return static_cast<int>(total_num_failures);