def test_to_byte_array_list_fail_neg(self, list_val):
"""
to_byte_array() with incompatible param:
:param list_val: random list of negative integers. -ValueError
"""
with pytest.raises(ValueError):
pointer, leng = to_byte_array(list_val)
def test_to_byte_array_int(self, int_val):
"""
to_byte_array() with param:
:param int_val: random positive integer
"""
pointer, leng = to_byte_array(int_val)
self.verify_c_type(pointer, leng)
py_bytes = self.reverse_case(pointer, leng, to_byte_array)
assert int(py_bytes, 16) == int_val
def test_to_byte_array_from_hex(self, test_val):
"""
to_byte_array() with param:
:param list_val: list of ints in range (0-255), convert to bytearray
"""
pointer, leng = to_byte_array(test_val)
self.verify_c_type(pointer, leng)
py_bytes = self.reverse_case(pointer, leng, to_byte_array)
assert py_bytes == b"deadbeef"
def test_to_byte_array_hexstring(self, int_val):
"""
to_byte_array() with param:
:param int_val: random integer to be converted to hex string.
"""
hex_string = b(hex(int_val).replace("0x", "").replace("L", ""))
pointer, leng = to_byte_array(hex_string)
self.verify_c_type(pointer, leng)
py_bytes = self.reverse_case(pointer, leng, to_byte_array)
assert int(py_bytes, 16) == int(hex_string, 16)
def test_to_byte_array_int_neg_overflow(self, int_val):
"""
to_byte_array() with param:
:param int_val: random int value. Will result in data loss
"""
pointer, leng = to_byte_array(int_val)
self.verify_c_type(pointer, leng)
py_bytes = self.reverse_case(pointer, leng, to_byte_array)
LOG.debug("to_byte_array() data loss: %s => %s", b(hex(int_val)),
py_bytes)
assert int(py_bytes, 16) != int_val
def test_to_byte_array(self, list_val):
"""
to_byte_array() with param:
:param list_val: list of ints in range (0-255), convert to bytearray
"""
b_array = bytearray(list_val)
pointer, leng = to_byte_array(b_array)
self.verify_c_type(pointer, leng)
py_bytes = self.reverse_case(pointer, leng, to_byte_array)
assert py_bytes == hexlify(b_array)
def test_to_byte_array_list(self, list_val):
"""
to_byte_array() with param:
:param list_val: randomly list of postive integers (within byte range).
"""
pointer, leng = to_byte_array(list_val)
self.verify_c_type(pointer, leng)
py_bytes = self.reverse_case(pointer, leng, to_byte_array)
# Create list from returned byte-string
py_list = []
for i in range(0, len(py_bytes), 2):
py_list.append(int(py_bytes[i:i + 2], 16))
assert py_list == list_val