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Extended value-initialization test by adding function pointers, member function pointers, bit-fiends and long double. Thanks to the HCC C gebruikersgroep!

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[SVN r61436]
This commit is contained in:
Niels Dekker
2010-04-20 18:31:35 +00:00
parent 668b3fccae
commit 0c1feee19f
1 changed files with 94 additions and 6 deletions
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100
test/boost_no_com_value_init.ipp
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@ -15,20 +15,25 @@
namespace boost_no_complete_value_initialization
{
enum enum_type { negative_number = -1, magic_number = 42 };
class incomplete_class;
typedef int (*function_ptr_type)(int);
typedef int (incomplete_class::*member_function_ptr_type)(int);
// A POD struct.
struct pod_struct
{
enum_type e;
char c;
unsigned char uc;
char c;
unsigned char uc;
short s;
int i;
unsigned u;
long l;
float f;
double d;
float f;
double d;
long double ld;
void* p;
};
@ -75,6 +80,38 @@ namespace boost_no_complete_value_initialization
}
struct bit_field_struct
{
bool b : 1;
char c : 7;
unsigned u: 8 * sizeof(unsigned) - 1;
};
bool is_value_initialized(const bit_field_struct& arg)
{
return arg.b == false && arg.c == '\0'&& arg.u == 0U;
}
struct function_ptr_struct
{
function_ptr_type data;
};
bool is_value_initialized(const function_ptr_struct& arg)
{
return arg.data == 0;
}
struct member_function_ptr_struct
{
member_function_ptr_type data;
};
bool is_value_initialized(const member_function_ptr_struct& arg)
{
return arg.data == 0;
}
// Equivalent to the struct TData from CodeGear bug report 51854,
// "Value-initialization: POD struct should be zero-initialized",
// reported by me (Niels Dekker, LKEB) in 2007:
@ -380,8 +417,20 @@ namespace boost_no_complete_value_initialization
float m_float_array[2];
double m_double;
double m_double_array[2];
long double m_long_double;
long double m_long_double_array[2];
void* m_ptr;
void* m_ptr_array[2];
function_ptr_type m_function_ptr;
function_ptr_type m_function_ptr_array[2];
function_ptr_struct m_function_ptr_struct;
function_ptr_struct m_function_ptr_struct_array[2];
member_function_ptr_type m_member_function_ptr;
member_function_ptr_type m_member_function_ptr_array[2];
member_function_ptr_struct m_member_function_ptr_struct;
member_function_ptr_struct m_member_function_ptr_struct_array[2];
bit_field_struct m_bit_field_struct;
bit_field_struct m_bit_field_struct_array[2];
int_struct m_int_struct;
int_struct m_int_struct_array[2];
int_struct m_int_struct_holder;
@ -450,8 +499,20 @@ namespace boost_no_complete_value_initialization
m_float_array(),
m_double(),
m_double_array(),
m_long_double(),
m_long_double_array(),
m_ptr(),
m_ptr_array(),
m_function_ptr(),
m_function_ptr_array(),
m_function_ptr_struct(),
m_function_ptr_struct_array(),
m_member_function_ptr(),
m_member_function_ptr_array(),
m_member_function_ptr_struct(),
m_member_function_ptr_struct_array(),
m_bit_field_struct(),
m_bit_field_struct_array(),
m_int_struct(),
m_int_struct_array(),
m_int_struct_holder(),
@ -522,9 +583,27 @@ namespace boost_no_complete_value_initialization
FAILED_TO_VALUE_INITIALIZE(m_double) +
FAILED_TO_VALUE_INITIALIZE(m_double_array[0]) +
FAILED_TO_VALUE_INITIALIZE(m_double_array[1]) +
FAILED_TO_VALUE_INITIALIZE(m_long_double) +
FAILED_TO_VALUE_INITIALIZE(m_long_double_array[0]) +
FAILED_TO_VALUE_INITIALIZE(m_long_double_array[1]) +
FAILED_TO_VALUE_INITIALIZE(m_ptr) +
FAILED_TO_VALUE_INITIALIZE(m_ptr_array[0]) +
FAILED_TO_VALUE_INITIALIZE(m_ptr_array[1]) +
FAILED_TO_VALUE_INITIALIZE(m_function_ptr) +
FAILED_TO_VALUE_INITIALIZE(m_function_ptr_array[0]) +
FAILED_TO_VALUE_INITIALIZE(m_function_ptr_array[1]) +
FAILED_TO_VALUE_INITIALIZE(m_function_ptr_struct) +
FAILED_TO_VALUE_INITIALIZE(m_function_ptr_struct_array[0]) +
FAILED_TO_VALUE_INITIALIZE(m_function_ptr_struct_array[1]) +
FAILED_TO_VALUE_INITIALIZE(m_member_function_ptr) +
FAILED_TO_VALUE_INITIALIZE(m_member_function_ptr_array[0]) +
FAILED_TO_VALUE_INITIALIZE(m_member_function_ptr_array[1]) +
FAILED_TO_VALUE_INITIALIZE(m_member_function_ptr_struct) +
FAILED_TO_VALUE_INITIALIZE(m_member_function_ptr_struct_array[0]) +
FAILED_TO_VALUE_INITIALIZE(m_member_function_ptr_struct_array[1]) +
FAILED_TO_VALUE_INITIALIZE(m_bit_field_struct) +
FAILED_TO_VALUE_INITIALIZE(m_bit_field_struct_array[0]) +
FAILED_TO_VALUE_INITIALIZE(m_bit_field_struct_array[1]) +
FAILED_TO_VALUE_INITIALIZE(m_int_struct) +
FAILED_TO_VALUE_INITIALIZE(m_int_struct_array[0]) +
FAILED_TO_VALUE_INITIALIZE(m_int_struct_array[1]) +
@ -578,16 +657,25 @@ namespace boost_no_complete_value_initialization
// Returns the number of failures.
unsigned check_value_initialization_of_temporaries()
{
typedef long double long_double_type;
typedef unsigned char unsigned_char_type;
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(unsigned_char_type()) +
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(long_double_type()) +
FAILED_TO_VALUE_INITIALIZE(bit_field_struct()) +
FAILED_TO_VALUE_INITIALIZE(function_ptr_type()) +
FAILED_TO_VALUE_INITIALIZE(function_ptr_struct()) +
FAILED_TO_VALUE_INITIALIZE(member_function_ptr_type()) +
FAILED_TO_VALUE_INITIALIZE(member_function_ptr_struct()) +
FAILED_TO_VALUE_INITIALIZE(int_struct()) +
FAILED_TO_VALUE_INITIALIZE(int_struct_holder()) +
FAILED_TO_VALUE_INITIALIZE(pod_struct()) +
@ -686,7 +774,7 @@ namespace boost_no_complete_value_initialization
<< num_failures_on_heap << '+'
<< num_failures_of_temporaries << "): "
<< total_num_failures
<< "\nDetected by boost_no_complete_value_initialization::test() revision 16."
<< "\nDetected by boost_no_complete_value_initialization::test() revision 17."
<< std::endl;
}
return static_cast<int>(total_num_failures);