code: def test_zero_length(self):
      # _length_ can be zero.
      class T(Array):
          _type_ = c_int
          _length_ = 0
  
imports: import ctypes
  import sys
  import unittest
  import warnings
  from ctypes import Structure, Array, sizeof, addressof, create_string_buffer, create_unicode_buffer, c_char, c_wchar, c_byte, c_ubyte, c_short, c_ushort, c_int, c_uint, c_long, c_ulonglong, c_float, c_double, c_longdouble
  from test.support import bigmemtest, _2G
  from ._support import _CData, PyCArrayType, Py_TPFLAGS_DISALLOW_INSTANTIATION, Py_TPFLAGS_IMMUTABLETYPE
label_desc: Use image node_id 13 for calling the ArrayTestCase obj's underlying member method code with example usage: obj.test_zero_length() without return types