fails:Fixnum.induced_from with [Float] returns a Fixnum when the passed Float is in Fixnum's range
fails:Fixnum.induced_from with [Float] raises a RangeError when the passed Float is out of Fixnum's range
fails:Fixnum.induced_from returns the passed argument when passed a Fixnum
fails:Fixnum.induced_from tries to convert non-Integers to a Integers using #to_int
fails:Fixnum.induced_from raises a TypeError when conversion to Integer returns a Bignum
