fails:Method#parameters returns an empty Array when the method expects no arguments
fails:Method#parameters returns [[:req,:name]] for a method expecting one required argument called 'name'
fails:Method#parameters returns [[:req,:a],[:req,:b]] for a method expecting two required arguments called 'a' and 'b''
fails:Method#parameters returns [[:block,:blk]] for a method expecting one block argument called 'a'
fails:Method#parameters returns [[:req,:a],[:block,:b] for a method expecting a required argument ('a') and a block argument ('b')
fails:Method#parameters returns [[:req,:a],[:req,:b],[:block,:c] for a method expecting two required arguments ('a','b') and a block argument ('c')
fails:Method#parameters returns [[:opt,:a]] for a method expecting one optional argument ('a')
fails:Method#parameters returns [[:req,:a],[:opt,:b]] for a method expecting one required argument ('a') and one optional argument ('b')
fails:Method#parameters returns [[:req,:a],[:opt,:b],[:opt,:c]] for a method expecting one required argument ('a') and two optional arguments ('b','c')
fails:Method#parameters returns [[:req,:a],[:req,:b],[:opt,:c]] for a method expecting two required arguments ('a','b') and one optional arguments ('c')
fails:Method#parameters returns [[:opt,:a],[:block,:b]] for a method expecting one required argument ('a') and one block argument ('b')
fails:Method#parameters returns [[:req,:a],[:opt,:b],[:block,:c]] for a method expecting one required argument ('a'), one optional argument ('b'), and a block ('c')
fails:Method#parameters returns [[:req,:a],[:opt,:b],[:opt,:c],[:block,:d]] for a method expecting one required argument ('a'), two optional arguments ('b','c'), and a block ('d')
fails:Method#parameters returns [[:rest,:a]] for a method expecting a single splat argument ('a')
fails:Method#parameters returns [[:req,:a],[:rest,:b]] for a method expecting a splat argument ('a') and a required argument ('b')
fails:Method#parameters returns [[:req,:a],[:req,:b],[:rest,:c]] for a method expecting two required arguments ('a','b') and a splat argument ('c')
fails:Method#parameters returns [[:req,:a],[:opt,:b],[:rest,:c]] for a method expecting a required argument ('a','b'), an optional argument ('b'), and a splat argument ('c')
fails:Method#parameters returns [[:req,:a],[:req,:b],[:opt,:b],[:rest,:d]] for a method expecting two required arguments ('a','b'), an optional argument ('c'), and a splat argument ('d')
fails:Method#parameters returns [[:req,:a],[:opt,:b],[:opt,:c],[:rest,:d]] for a method expecting a required argument ('a'), two optional arguments ('b','c'), and a splat argument ('d')
fails:Method#parameters returns [[:rest,:a],[:block,:b]] for a method expecting a splat argument ('a') and a block argument ('b')
fails:Method#parameters returns [[:req,:a],[:rest,:b],[:block,:c]] for a method expecting a required argument ('a'), a splat argument ('b'), and a block ('c')
fails:Method#parameters returns [[:req,:a],[:req,:b],[:rest,:c],[:block,:d]] for a method expecting two required arguments ('a','b'), a splat argument ('c'), and a block ('d')
fails:Method#parameters returns [[:req,:a],[:opt,:b],[:rest,:c],[:block,:d]] for a method expecting a required argument ('a'), a splat argument ('c'), and a block ('d')
fails:Method#parameters returns [[:req,:a],[:req,:b],[:opt,:c],[:block,:d]] for a method expecting two required arguments ('a','b'), an optional argument ('c'), a splat argument ('d'), and a block ('e')
fails:Method#parameters returns [[:rest,:a],[:req,:b]] for a method expecting a splat argument ('a') and a required argument ('b')
fails:Method#parameters returns [[:rest,:a],[:req,:b],[:req,:c]] for a method expecting a splat argument ('a') and two required arguments ('b','c')
fails:Method#parameters returns [[:rest,:a],[:req,:b],[:block,:c]] for a method expecting a splat argument ('a'), a required argument ('b'), and a block ('c')
fails:Method#parameters works with ->(){} as the value of an optional argument
fails:Method#parameters returns [] for a define_method method with explicit no-args || specification
fails:Method#parameters returns [[:rest, :x]] for a define_method method with rest arg 'x' only
fails:Method#parameters returns [[:req, :x]] for a define_method method expecting one required argument 'x'
fails:Method#parameters returns [[:req, :x], [:req, :y]] for a define_method method expecting two required arguments 'x' and 'y'
fails:Method#parameters returns [] for a define_method method with no args specification
fails:Method#parameters returns [[:req]] for a define_method method with a grouping as its only argument
fails:Method#parameters returns [[:opt, :x]] for a define_method method with an optional argument 'x'
fails:Method#parameters returns [[:rest]] for a Method generated by respond_to_missing?
fails:Method#parameters adds nameless rest arg for "star" argument
fails:Method#parameters returns the args and block for a splat and block argument
