def METHOD_NAME():
  sg1 = construct_rational_point_group( sgtbx.space_group_info( "P 2 2 2" ).group() )
  sg2 = construct_rational_point_group( sgtbx.space_group_info( "P 2 2 2" ).group() )
  sg3 = construct_rational_point_group( sgtbx.space_group_info( "P 4 2 2" ).group() )
  sg4 = construct_rational_point_group( sgtbx.space_group_info( "P 2 2 2 (a+b,a-b,2c)").group() )
  assert compare_groups( sg1, sg2 )
  assert not compare_groups( sg1, sg3 )
  assert not compare_groups( sg1, sg4 )