text: #!/pxrpythonsubst
  #
  # Copyright 2017 Pixar
  #
  # Licensed under the Apache License, Version 2.0 (the "Apache License")
  # with the following modification; you may not use this file except in
  # compliance with the Apache License and the following modification to it:
  # Section 6. Trademarks. is deleted and replaced with:
  #
  # 6. Trademarks. This License does not grant permission to use the trade
  #    names, trademarks, service marks, or product names of the Licensor
  #    and its affiliates, except as required to comply with Section 4(c) of
  #    the License and to reproduce the content of the NOTICE file.
  #
  # You may obtain a copy of the Apache License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the Apache License with the above modification is
  # distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  # KIND, either express or implied. See the Apache License for the specific
  # language governing permissions and limitations under the Apache License.
  
  import sys, unittest
  from pxr import Sdf
  
  class TestSdfSpecHash(unittest.TestCase):
      def test_Basic(self):
          # Test using a python dictionary to associate values with specs.
          # This relies on the hash function for spec handles.
          test_dict = {}
          test_value = 'foo'
  
          layer = Sdf.Layer.CreateAnonymous()
          primSpec = Sdf.PrimSpec(layer, "foo", Sdf.SpecifierOver)
          test_dict[primSpec] = test_value
          for i in range(10):
              self.assertEqual(test_dict[ layer.GetObjectAtPath(primSpec.path) ], 
                               test_value)
  
  if __name__ == "__main__":
      unittest.main()
  