code: def testIntTypes(self):
      # TODO(touts): Figure out why the padding tests do not work on GPU
      # for int types and rank > 2.
      for t in [np.int8, np.uint8, np.int32, np.int64]:
          self._testAll(
              np.random.randint(-100, 100, (4, 4, 3)).astype(t),
              [[1, 0], [2, 3], [0, 2]],
              0,
          )
          self._testAll(
              np.random.randint(-100, 100, (4, 2, 1, 3)).astype(t),
              [[0, 0], [0, 0], [0, 0], [0, 0]],
              -123,
          )
  
imports: import numpy
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import errors
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import gradient_checker_v2
  from tensorflow.python.platform import test
label_desc: Use image node_id 18 for calling the PadOpTest obj's underlying member method code with example usage: obj.testIntTypes() without return types