def test_new_empty_writer(self):
writer = BigEndianByteArrayByteWriter()
self.assertEqual(writer.get_n_bytes_written(), 0)
self.assertEqual(writer.data, bytearray())
def test_write_long(self):
writer = BigEndianByteArrayByteWriter()
long_to_write = 0xF1F2F3F4F5F6F7F8
writer.write_long(long_to_write)
self.assertEqual(writer.get_n_bytes_written(), 8)
self.assertEqual(writer.data, bytearray([0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7, 0xF8]))
def test_write_int(self):
writer = BigEndianByteArrayByteWriter()
int_to_write = 0xF1F2F3F4
writer.write_int(int_to_write)
self.assertEqual(writer.get_n_bytes_written(), 4)
self.assertEqual(writer.data, bytearray([0xF1, 0xF2, 0xF3, 0xF4]))
def test_write_short(self):
writer = BigEndianByteArrayByteWriter()
short_to_write = 0xF1F2
writer.write_short(short_to_write)
self.assertEqual(writer.get_n_bytes_written(), 2)
self.assertEqual(writer.data, bytearray([0xF1, 0xF2]))
def test_write_bytes(self):
writer = BigEndianByteArrayByteWriter()
bytes_to_write = [1, 2, 3, 4, 5, 6]
writer.write_bytes(bytes_to_write)
self.assertEqual(writer.get_n_bytes_written(), len(bytes_to_write))
self.assertEqual(writer.data, bytearray(bytes_to_write))
def test_write_byte_truncate(self):
writer = BigEndianByteArrayByteWriter()
writer.write_byte(0xFF37)
self.assertEqual(writer.get_n_bytes_written(), 1)
self.assertEqual(writer.data[0], 0x37)