text: #coding:utf-8
  #
  # id:           functional.intfunc.date.dateadd_01
  # title:        test de la fonction dateadd  pour l'ajout d'un jour
  # decription:   Returns a date/time/timestamp value increased (or decreased, when negative) by the specified amount of time.
  # tracker_id:   
  # min_versions: []
  # versions:     2.1
  # qmid:         functional.intfunc.date.dateadd_01
  
  import pytest
  from firebird.qa import db_factory, isql_act, Action
  
  # version: 2.1
  # resources: None
  
  substitutions_1 = []
  
  init_script_1 = """"""
  
  db_1 = db_factory(sql_dialect=3, init=init_script_1)
  
  test_script_1 = """select dateadd(-1 day TO date '2008-02-06' ) as yesterday from rdb$database;
  select dateadd(day,-1, date '2008-02-06' ) as yesterday from rdb$database;"""
  
  act_1 = isql_act('db_1', test_script_1, substitutions=substitutions_1)
  
  expected_stdout_1 = """
    YESTERDAY
  ===========
  2008-02-05
  
  
    YESTERDAY
  ===========
  2008-02-05
  
  """
  
  @pytest.mark.version('>=2.1')
  def test_1(act_1: Action):
      act_1.expected_stdout = expected_stdout_1
      act_1.execute()
      assert act_1.clean_expected_stdout == act_1.clean_stdout
  
  