text: # Copyright 2021 The Orbit Authors. All Rights Reserved.
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  """Tests for orbit.utils.common."""
  
  from orbit.utils import common
  
  import tensorflow as tf
  
  
  class UtilsTest(tf.test.TestCase):
  
    def test_create_global_step(self):
      step = common.create_global_step()
      self.assertEqual(step.name, "global_step:0")
      self.assertEqual(step.dtype, tf.int64)
      self.assertEqual(step, 0)
      step.assign_add(1)
      self.assertEqual(step, 1)
  
  
  if __name__ == "__main__":
    tf.test.main()
  