---
  testBgTiles: [
    32, 32, bg_tiles_small, {
      grass_light:   ['s',     0, 0],
      grass_dark:    ['s',    10, 0],
      glowing_rocks: ['s',     1, 0,  2, 0,  3, 0],
      sand_light:    ['s',     4, 0],
      sand_medium:   ['s',     5, 0],
      sand_dark:     ['s',     6, 0],
      tree:          ['wsv',   7, 0],
      dead_tree:     ['ws',    8, 0],
      temple:        ['wsv',   9, 0],
      fountain:      ['w',    11, 0, 12, 0]
    }
  ]

  testFgTiles: [
    32, 32, fg_tiles_small, {
      diag_bars_opaque: ['',  0, 0],
      diag_bars_50:     ['',  1, 0],
      diag_bars_25:     ['',  2, 0]
    }
  ]

  testTemplate: [
    32, 32, tiles_template, {
      weeds_a:       ['s',     0, 1],
      weeds_b:       ['s',     1, 1],
      weeds_c:       ['s',     2, 1],
      weeds_d:       ['s',     3, 1],
      dirt_a:        ['s',     2, 3],
      dirt_b:        ['s',     3, 3],
      dirt_yn:       ['',      4, 1],
      dirt_xn:       ['',      5, 1],
      dirt_yp:       ['',      6, 1],
      dirt_xp:       ['',      7, 1],
      dirt_xnyn:     ['',      8, 1],
      dirt_xnyp:     ['',      9, 1],
      dirt_xpyp:     ['',     10, 1],
      dirt_xpyn:     ['',     11, 1],
      dirt_pxpy:     ['s',    12, 1],
      dirt_pxny:     ['s',    13, 1],
      dirt_nxny:     ['s',    14, 1],
      dirt_nxpy:     ['s',    15, 1],
      asphalt_a:     ['s',     0, 2],
      asphalt_b:     ['s',     1, 2],
      asphalt_vline: ['s',     2, 2],
      asphalt_hline: ['s',     3, 2],
      asphalt_yn:    ['',      4, 2],
      asphalt_xn:    ['',      5, 2],
      asphalt_yp:    ['',      6, 2],
      asphalt_xp:    ['',      7, 2],
      asphalt_xnyn:  ['',      8, 2],
      asphalt_xnyp:  ['',      9, 2],
      asphalt_xpyp:  ['',     10, 2],
      asphalt_xpyn:  ['',     11, 2],
      asphalt_pxpy:  ['s',    12, 2],
      asphalt_pxny:  ['s',    13, 2],
      asphalt_nxny:  ['s',    14, 2],
      asphalt_nxpy:  ['s',    15, 2],
      cliff:         ['swv',   1, 3],
      cliff_yn:      ['',      4, 3],
      cliff_xn:      ['sw',    5, 3],
      cliff_xp:      ['sw',    7, 3],
      cliff_xnyn:    ['',      8, 3],
      cliff_xpyn:    ['',     11, 3]
    }
  ]
...