def test_auto_c_array_string(self, str_val):
"""
Initialize an array from string.
:param str_val: randomly generated string
"""
c_array = AutoCArray(data=str_val)
assert c_array.size.contents.value == len(c_array) == len(str_val)
assert c_array.ctype == c_ubyte
assert b"".join(c_array) == b(str_val)
def test_auto_c_array_no_type_fail(self, list_val, test_type):
"""
Attempt to initialize an array of 'test_type' without specifying the type. Should error
:param list_val: Generated list, convert to 'test_type'
:param test_type: c_types to test with
"""
if test_type == c_char:
new_list = [c_char(b(chr(x))) for x in list_val]
else:
new_list = [test_type(x) for x in list_val]
with pytest.raises(TypeError):
c_array = AutoCArray(data=new_list)
def test_auto_c_array_long_list(self, list_val):
"""
Initalize an array from list of long's
:param list_val: list of ints to be converted to c_long's
"""
list_val = [c_long(x) for x in list_val]
c_array = AutoCArray(data=list_val, ctype=c_long)
assert c_array.size.contents.value == len(c_array) == len(list_val)
assert c_array.ctype == c_long
assert b"".join([bytes(c_long(x)) for x in c_array
]) == b"".join([bytes(x) for x in list_val])
assert c_array.array[0] == cast(c_array.array,
POINTER(c_long)).contents.value
def test_auto_c_array_char_list(self, list_val):
"""
Initalize an array from list of c_chars
:param list_val: list of char to be converted to c_char's
"""
list_val = [bytes(b(x)) for x in list_val]
new_list_val = [c_char(x) for x in list_val]
c_array = AutoCArray(data=new_list_val, ctype=c_char)
assert c_array.size.contents.value == len(c_array) == len(list_val)
assert c_array.ctype == c_char
assert b"".join([x for x in c_array]) == b"".join(list_val)
assert c_array.array[0] == cast(c_array.array,
POINTER(c_char)).contents.value
def test_auto_c_array_empty(self, typ_val):
"""
Initialize an empty array w/ elements of the given c_type.
:param typ_val: randomly selected ctype
"""
c_array = AutoCArray(ctype=typ_val)
assert c_array.array is None
assert c_array.size.contents.value == len(c_array) == 0
assert c_array.ctype == typ_val
if typ_val == c_char:
assert c_array.array.contents.value == typ_val(b'\x00').value
else:
assert c_array.array.contents.value == typ_val(0).value