text: #!/usr/bin/env python
  #
  # Public Domain 2014-2016 MongoDB, Inc.
  # Public Domain 2008-2014 WiredTiger, Inc.
  #
  # This is free and unencumbered software released into the public domain.
  #
  # Anyone is free to copy, modify, publish, use, compile, sell, or
  # distribute this software, either in source code form or as a compiled
  # binary, for any purpose, commercial or non-commercial, and by any
  # means.
  #
  # In jurisdictions that recognize copyright laws, the author or authors
  # of this software dedicate any and all copyright interest in the
  # software to the public domain. We make this dedication for the benefit
  # of the public at large and to the detriment of our heirs and
  # successors. We intend this dedication to be an overt act of
  # relinquishment in perpetuity of all present and future rights to this
  # software under copyright law.
  #
  # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  # EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  # IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  # OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  # ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  # OTHER DEALINGS IN THE SOFTWARE.
  
  import os, time
  import wiredtiger, wttest
  from helper import confirm_does_not_exist, complex_populate, \
      complex_populate_index_name, simple_populate
  from wtscenario import check_scenarios
  
  # test_drop.py
  #    session level drop operation
  class test_drop(wttest.WiredTigerTestCase):
      name = 'test_drop'
      extra_config = ''
  
      scenarios = check_scenarios([
          ('file', dict(uri='file:')),
          ('table', dict(uri='table:')),
          #Not yet: drop failing with an open cursor needs handle locking
          #('table-lsm', dict(uri='table:', extra_config=',type=lsm')),
      ])
  
      # Populate an object, remove it and confirm it no longer exists.
      def drop(self, populate, with_cursor, close_session, drop_index):
          uri = self.uri + self.name
          populate(self, uri, 'key_format=S' + self.extra_config, 10)
  
          # Open cursors should cause failure.
          if with_cursor:
              cursor = self.session.open_cursor(uri, None, None)
              self.assertRaises(wiredtiger.WiredTigerError,
                  lambda: self.session.drop(uri, None))
              cursor.close()
  
          if close_session:
              self.reopen_conn()
  
          if drop_index:
              drop_uri = complex_populate_index_name(self, uri, 0)
          else:
              drop_uri = uri
          self.session.drop(drop_uri, None)
          confirm_does_not_exist(self, drop_uri)
  
      # Test drop of an object.
      def test_drop(self):
          # Simple file or table object.
          # Try all combinations except dropping the index, the simple
          # case has no indices.
          for with_cursor in [False, True]:
              for close_session in [False, True]:
                  self.drop(simple_populate, with_cursor, close_session, False)
  
          # A complex, multi-file table object.
          # Try all test combinations.
          if self.uri == "table:":
              for with_cursor in [False, True]:
                  for close_session in [False, True]:
                      for drop_index in [False, True]:
                          self.drop(complex_populate, with_cursor,
                                    close_session, drop_index)
  
      # Test drop of a non-existent object: force succeeds, without force fails.
      def test_drop_dne(self):
          uri = self.uri + self.name
          cguri = 'colgroup:' + self.name
          idxuri = 'index:' + self.name + ':indexname'
          lsmuri = 'lsm:' + self.name
          confirm_does_not_exist(self, uri)
          self.session.drop(uri, 'force')
          self.assertRaises(
              wiredtiger.WiredTigerError, lambda: self.session.drop(uri, None))
          self.session.drop(cguri, 'force')
          self.assertRaises(
              wiredtiger.WiredTigerError, lambda: self.session.drop(cguri, None))
          self.session.drop(idxuri, 'force')
          self.assertRaises(
              wiredtiger.WiredTigerError, lambda: self.session.drop(idxuri, None))
          self.session.drop(lsmuri, 'force')
          self.assertRaises(
              wiredtiger.WiredTigerError, lambda: self.session.drop(lsmuri, None))
  
  if __name__ == '__main__':
      wttest.run()
  