code: def testToInt64(self):
      self._test(
          dtypes.int64,
          [
              ("0", 0),
              ("3", 3),
              ("-1", -1),
              ("    -10", -10),
              ("-2147483648", -2147483648),
              ("2147483647", 2147483647),
              (
                  "-2147483649",
                  -2147483649,
              ),  # Less than min value of int32.
              ("2147483648", 2147483648),
          ],  # Greater than max value of int32.
          [
              ("2.9", _ERROR_MESSAGE + "2.9"),
              ("10foobar", _ERROR_MESSAGE + "10foobar"),
          ],
      )
  
file_path: tensorflow/tensorflow/python/kernel_tests/strings_ops/string_to_number_op_test.py
imports: from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import parsing_ops
  from tensorflow.python.platform import test
label_desc: Use image node_id 5 for calling the StringToNumberOpTest obj's underlying member method code with example usage: obj.testToInt64() without return types