function adjacency_plot_test ( )

%*****************************************************************************80
%
%% adjacency_plot_test() tests adjacency_plot();
%
%  Licensing:
%
%    This code is distributed under the MIT license.
%
%  Modified:
%
%    26 February 2021
%
%  Author:
%
%    John Burkardt
%
  fprintf ( 1, '\n' );
  fprintf ( 1, 'adjacency_plot_test():\n' );
  fprintf ( 1, '  adjacency_plot() uses adjacency information to plot\n' );
  fprintf ( 1, '  the 36 30-60-90 triangles in a tile.\n' );
%
%  hexagon
%
  [ adj, t1_ij ] = hexagon_adjacency ( );
  p_xy = [ 0.0, 0.0 ];
  label = 'hexagon adjacency';
  filename = 'hexagon_adjacency.png';
  adjacency_plot ( adj, t1_ij, p_xy, label, filename );
%
%  Terminate.
%
  fprintf ( 1, '\n' );
  fprintf ( 1, 'adjacency_plot_test():\n' );
  fprintf ( 1, '  Normal end of execution.\n' );

  return
end

