code: def testVectorValue(self):
      m = map_ops.empty_tensor_map()
      k = constant_op.constant([1.0, 2.0])
      v = constant_op.constant([11.0, 22.0])
      # Test insert and lookup.
      m = map_ops.tensor_map_insert(m, k, v)
      s = map_ops.tensor_map_size(m)
      self.assertAllEqual(s, 1)
      l = map_ops.tensor_map_lookup(m, k, v.dtype)
      self.assertAllEqual(l, v)
      # Test erase and has key.
      m = map_ops.tensor_map_erase(m, k, v.dtype)
      s = map_ops.tensor_map_size(m)
      self.assertAllEqual(s, 0)
      self.assertAllEqual(map_ops.tensor_map_has_key(m, k), False)
  
imports: from absl.testing import parameterized
  from tensorflow.python.eager import backprop
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import errors
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import cond
  from tensorflow.python.ops import map_ops
  from tensorflow.python.ops import sort_ops
  from tensorflow.python.platform import test
label_desc: Use image node_id 27 for calling the MapOpsTest obj's underlying member method code with example usage: obj.testVectorValue() without return types