{
  "version": 1,
  "cases": [
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    {"name":"horizontal_spread","op":1,"input":[100,2,8],"output":[1]},
    {"name":"vertical_contract","op":1,"input":[2,-100,8],"output":[2]},
    {"name":"touch_jitter","op":1,"input":[3,-4,8],"output":[0]},
    {"name":"diagonal_tie_x","op":1,"input":[20,20,8],"output":[1]},
    {"name":"x_fraction","op":2,"input":[15,10,30,0],"output":[0.25]},
    {"name":"y_fraction","op":2,"input":[15,10,30,1],"output":[0.75]},
    {"name":"outside_view","op":2,"input":[40,10,30,0],"output":[1.5]},
    {"name":"y_coordinate","op":3,"input":[0.75,10,30,1],"output":[15]},
    {"name":"drag_x","op":4,"input":[15,50,200,10,30,0],"output":[20]},
    {"name":"drag_y","op":4,"input":[0,100,500,-10,10,1],"output":[-4]},
    {"name":"drag_clamp","op":4,"input":[15,500,200,10,30,0],"output":[30]},
    {"name":"ticks","op":5,"input":[100,800],"output":[20]},
    {"name":"negative_delta","op":6,"input":[10,0,1],"output":[-10]},
    {"name":"milliseconds","op":6,"input":[0,0.01,1000],"output":[10]},
    {"name":"db_gain","op":7,"input":[1,10],"output":[20]},
    {"name":"db_attenuation","op":7,"input":[10,1],"output":[-20]},
    {"name":"db_zero_reference","op":7,"input":[0,1],"output":null},
    {"name":"absolute_limits","op":8,"input":[0,500,-2,2],"output":[0,500,-2,2]},
    {"name":"reversed_x_limits","op":8,"input":[1,1,-2,2],"output":null},
    {"name":"zero_range","op":2,"input":[1,1,1,0],"output":null},
    {"name":"zero_pixels","op":4,"input":[0,1,0,0,1,0],"output":null},
    {"name":"bad_viewport","op":0,"input":[0,0,0,1,2,1,0,0,0.5,0.5],"output":null}
  ]
}