code: def test_overflow(self):
      size = (2**32) // 6 + 1
      s = "\x00" * size
      with self.assertRaises(OverflowError):
          self.json.encoder.encode_basestring_ascii(s)
  
file_path: cpython/Lib/test/test_json/test_encode_basestring_ascii.py
imports: from collections import OrderedDict
  from test.test_json import PyTest, CTest
  from test.support import bigaddrspacetest
label_desc: Use image node_id 1 for calling the TestCEncodeBasestringAscii obj's underlying member method code with example usage: obj.test_overflow() without return types