old_contents: '''
  PyIntervalTree: A mutable, self-balancing interval tree.
  
  Test module
  
  Copyright 2013-2014 Chaim-Leib Halbert
  
  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.
  '''
  
  from intervaltree import Interval
  from pprint import pprint
  import pickle
  
  def test_isnull():
      iv = Interval(0,0)
      assert iv.is_null()
  
      iv = Interval(1,0)
      assert iv.is_null()
  
  
new_contents: '''
  PyIntervalTree: A mutable, self-balancing interval tree.
  
  Test module
  
  Copyright 2013-2014 Chaim-Leib Halbert
  
  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.
  '''
  
  from intervaltree import Interval
  from pprint import pprint
  import pickle
  
  def test_isnull():
      iv = Interval(0,0)
      assert iv.is_null()
  
      iv = Interval(1,0)
      assert iv.is_null()
  
  def test_copy():
      iv0 = Interval(1, 2, 3)
      iv1 = iv0.copy()
      assert iv1.begin == iv0.begin
      assert iv1.end == iv0.end
      assert iv1.data == iv0.data
      assert iv1 == iv0
  
      iv2 = pickle.loads(pickle.dumps(iv0))
      assert iv2.begin == iv0.begin
      assert iv2.end == iv0.end
      assert iv2.data == iv0.data
      assert iv2 == iv0
  
subject: test Interval.copy() and .__reduce__()