code: def testSlice(self):
      known = tensor_shape.TensorShape([0, 1, 2, 3, 4])
      self.assertEqual(tensor_shape.Dimension(2), known[2])
      tensor_shape.TensorShape([1, 2, 3]).assert_is_compatible_with(
          known[1:4]
      )
  
      unknown = tensor_shape.TensorShape(None)
      self.assertEqual(
          tensor_shape.Dimension(None).value,
          tensor_shape.dimension_value(unknown[2]),
      )
      tensor_shape.TensorShape(
          [None, None, None]
      ).assert_is_compatible_with(unknown[1:4])
  
imports: from absl.testing import parameterized
  from tensorflow.core.framework import tensor_shape_pb2
  from tensorflow.core.function import trace_type
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import tensor_shape
  from tensorflow.python.framework import test_util
  from tensorflow.python.platform import googletest
label_desc: Use image node_id 7 for calling the ShapeTest obj's underlying member method code with example usage: obj.testSlice() without return types