#! /usr/bin/env python
#
def isbn_test ( ):

#*****************************************************************************80
#
## ISBN_TEST tests the ISBN library.
#
#  Licensing:
#
#    This code is distributed under the GNU LGPL license. 
#
#  Modified:
#
#    17 September 2015
#
#  Author:
#
#    John Burkardt
#
  import platform
  from ch_is_digit                    import ch_is_digit_test
  from ch_is_isbn_digit               import ch_is_isbn_digit_test
  from ch_to_digit                    import ch_to_digit_test
  from i4_to_isbn_digit               import i4_to_isbn_digit_test
  from i4vec_print                    import i4vec_print_test
  from isbn_check_digit_calculate     import isbn_check_digit_calculate_test
  from isbn_digit_to_i4               import isbn_digit_to_i4_test
  from isbn_is_valid                  import isbn_is_valid_test
  from s_to_digits                    import s_to_digits_test
  from s_to_isbn_digits               import s_to_isbn_digits_test

  print ( '' )
  print ( 'ISBN_TEST' )
  print ( '  Python version: %s' % ( platform.python_version ( ) ) )
  print ( '  Test the ISBN library.' )

  ch_is_digit_test ( )
  ch_is_isbn_digit_test ( )
  ch_to_digit_test ( )
  i4_to_isbn_digit_test ( )
  i4vec_print_test ( )
  isbn_check_digit_calculate_test ( )
  isbn_is_valid_test ( )
  isbn_digit_to_i4_test ( )
  s_to_digits_test ( )
  s_to_isbn_digits_test ( )
#
#  Terminate.
#
  print ( '' )
  print ( 'ISBN_TEST:' )
  print ( '  Normal end of execution.' )
  return

if ( __name__ == '__main__' ):
  from timestamp import timestamp
  timestamp ( )
  isbn_test ( )
  timestamp ( )