function test_digraph_arc_test ( )

%*****************************************************************************80
%
%% test_digraph_arc_test() tests test_digraph_arc().
%
%  Licensing:
%
%    This code is distributed under the MIT license. 
%
%  Modified:
%
%    25 April 2026
%
%  Author:
%
%    John Burkardt
%
  addpath ( '../test_digraph_arc' );

  timestamp ( );
  fprintf ( 1, '\n' );
  fprintf ( 1, 'test_digraph_arc_test():\n' );
  fprintf ( 1, '  MATLAB/Octave version %s\n', version ( ) );
  fprintf ( 1, '  Test test_digraph_arc().\n' );

  digraph_arc_abc_test ( );
  digraph_arc_abcd_test ( );
  digraph_arc_cycler_test ( );
  digraph_arc_five_test ( );
  digraph_arc_moler_test ( );
  digraph_arc_sauer_test ( );
  digraph_arc_sixty_test ( );
%
%  Terminate.
%
  fprintf ( 1, '\n' );
  fprintf ( 1, 'test_digraph_arc_test():\n' );
  fprintf ( 1, '  Normal end of execution.\n' );
  timestamp ( );

  rmpath ( '../test_digraph_arc' );

  return
end
function digraph_arc_abc_test ( )

%*****************************************************************************80
%
%% digraph_arc_abc_test() tests digraph_arc_abc().
%
%  Licensing:
%
%    This code is distributed under the MIT license.
%
%  Modified:
%
%    17 April 2026
%
%  Author:
%
%    John Burkardt
%
  fprintf ( 1, '\n' );
  fprintf ( 1, 'digraph_arc_abc_test():\n' );
  fprintf ( 1, '  Test digraph_arc_abc()\n' );

  L = digraph_arc_abc ( );

  fprintf ( 1, '\n' );
  fprintf ( 1, '  "abc" arc list L:\n' );
  disp ( L );

  return
end
function digraph_arc_abcd_test ( )

%*****************************************************************************80
%
%% digraph_arc_abcd_test() tests digraph_arc_abcd().
%
%  Licensing:
%
%    This code is distributed under the MIT license.
%
%  Modified:
%
%    17 April 2026
%
%  Author:
%
%    John Burkardt
%
  fprintf ( 1, '\n' );
  fprintf ( 1, 'digraph_arc_abcd_test():\n' );
  fprintf ( 1, '  Test digraph_arc_abcd()\n' );

  L = digraph_arc_abcd ( );

  fprintf ( 1, '\n' );
  fprintf ( 1, '  "abcd" arc list L:\n' );
  disp ( L );

  return
end
function digraph_arc_cycler_test ( )

%*****************************************************************************80
%
%% digraph_arc_cycler_test() tests digraph_arc_cycler().
%
%  Licensing:
%
%    This code is distributed under the MIT license.
%
%  Modified:
%
%    17 April 2026
%
%  Author:
%
%    John Burkardt
%
  fprintf ( 1, '\n' );
  fprintf ( 1, 'digraph_arc_cycler_test():\n' );
  fprintf ( 1, '  Test digraph_arc_cycler()\n' );

  L = digraph_arc_cycler ( );

  fprintf ( 1, '\n' );
  fprintf ( 1, '  "cycler" arc list L:\n' );
  disp ( L );

  return
end
function digraph_arc_five_test ( )

%*****************************************************************************80
%
%% digraph_arc_five_test() tests digraph_arc_five().
%
%  Licensing:
%
%    This code is distributed under the MIT license.
%
%  Modified:
%
%    17 April 2026
%
%  Author:
%
%    John Burkardt
%
  fprintf ( 1, '\n' );
  fprintf ( 1, 'digraph_arc_five_test():\n' );
  fprintf ( 1, '  Test digraph_arc_five()\n' );

  L = digraph_arc_five ( );

  fprintf ( 1, '\n' );
  fprintf ( 1, '  "five" arc list L:\n' );
  disp ( L );

  return
end
function digraph_arc_moler_test ( )

%*****************************************************************************80
%
%% digraph_arc_moler_test() tests digraph_arc_moler().
%
%  Licensing:
%
%    This code is distributed under the MIT license.
%
%  Modified:
%
%    17 April 2026
%
%  Author:
%
%    John Burkardt
%
  fprintf ( 1, '\n' );
  fprintf ( 1, 'digraph_arc_moler_test():\n' );
  fprintf ( 1, '  Test digraph_arc_moler()\n' );

  L = digraph_arc_moler ( );

  fprintf ( 1, '\n' );
  fprintf ( 1, '  Moler arc list L:\n' );
  disp ( L );

  return
end
function digraph_arc_sauer_test ( )

%*****************************************************************************80
%
%% digraph_arc_sauer_test() tests digraph_arc_sauer().
%
%  Licensing:
%
%    This code is distributed under the MIT license.
%
%  Modified:
%
%    17 April 2026
%
%  Author:
%
%    John Burkardt
%
  fprintf ( 1, '\n' );
  fprintf ( 1, 'digraph_arc_sauer_test()\n' );
  fprintf ( 1, '  Test digraph_arc_sauer()\n' );

  L = digraph_arc_sauer ( );

  fprintf ( 1, '\n' );
  fprintf ( 1, '  Sauer arc list L:\n' );
  disp ( L );

  return
end
function digraph_arc_sixty_test ( )

%*****************************************************************************80
%
%% digraph_arc_sixty_test() tests digraph_arc_sixty().
%
%  Licensing:
%
%    This code is distributed under the MIT license.
%
%  Modified:
%
%    17 April 2026
%
%  Author:
%
%    John Burkardt
%
  fprintf ( 1, '\n' );
  fprintf ( 1, 'digraph_arc_sixty_test():\n' );
  fprintf ( 1, '  Test digraph_arc_sixty()\n' );

  L = digraph_arc_sixty ( );

  fprintf ( 1, '\n' );
  fprintf ( 1, '  "sixty" arc list L:\n' );
  disp ( L );

  return
end
function timestamp ( )

%*****************************************************************************80
%
%% timestamp() prints the YMDHMS date as a timestamp.
%
%  Licensing:
%
%    This code is distributed under the MIT license.
%
%  Modified:
%
%    14 November 2022
%
%  Author:
%
%    John Burkardt
%
  t = now ( );
  c = datevec ( t );
  s = datestr ( c, 0 );
  fprintf ( 1, '%s\n', s );

  return
end

