code: def testSelectAll(self):
      for _ in range(10):
          with self.cached_session():
              inp = np.random.rand(4, 4, 4, 4).astype("f")
              a = constant_op.constant(
                  inp, shape=[4, 4, 4, 4], dtype=dtypes.float32
              )
  
              slice_explicit_t = array_ops.slice(
                  a, [0, 0, 0, 0], [-1, -1, -1, -1]
              )
              slice_implicit_t = a[:, :, :, :]
  
              self.assertAllEqual(inp, self.evaluate(slice_explicit_t))
              self.assertAllEqual(inp, self.evaluate(slice_implicit_t))
              self.assertEqual(inp.shape, slice_explicit_t.get_shape())
              self.assertEqual(inp.shape, slice_implicit_t.get_shape())
  
imports: import numpy
  from tensorflow.python.eager import backprop
  from tensorflow.python.eager import def_function
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import errors_impl
  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 gradients_impl
  from tensorflow.python.ops import math_ops
  from tensorflow.python.ops import nn_ops
  from tensorflow.python.platform import test
label_desc: Use image node_id 5 for calling the SliceTest obj's underlying member method code with example usage: obj.testSelectAll() without return types