fails:Array#pack with format 'E' raises a TypeError when passed nil
fails:Array#pack with format 'E' raises a TypeError when passed an Integer
fails:Array#pack with format 'E' calls #to_str to coerce the directives string
fails:Array#pack with format 'E' taints the output string if the format string is tainted
fails:Array#pack with format 'E' raises an ArgumentError if there are fewer elements than the format requires
fails:Array#pack with format 'E' raises ArgumentError when the format modifier is '_'
fails:Array#pack with format 'E' raises ArgumentError when the format modifier is '!'
fails:Array#pack with format 'E' raises a TypeError when passed true
fails:Array#pack with format 'E' raises a TypeError when passed false
fails:Array#pack with format 'E' returns an ASCII-8BIT string
fails:Array#pack with format 'E' raises a TypeError if a String does not represent a floating point number
fails:Array#pack with format 'E' raises a TypeError when the object does not respond to #to_f
fails:Array#pack with format 'E' raises a TypeError if passed a String representation of a floating point number
fails:Array#pack with format 'E' encodes NaN
fails:Array#pack with format 'e' raises a TypeError when passed nil
fails:Array#pack with format 'e' raises a TypeError when passed an Integer
fails:Array#pack with format 'e' calls #to_str to coerce the directives string
fails:Array#pack with format 'e' taints the output string if the format string is tainted
fails:Array#pack with format 'e' raises an ArgumentError if there are fewer elements than the format requires
fails:Array#pack with format 'e' raises ArgumentError when the format modifier is '_'
fails:Array#pack with format 'e' raises ArgumentError when the format modifier is '!'
fails:Array#pack with format 'e' raises a TypeError when passed true
fails:Array#pack with format 'e' raises a TypeError when passed false
fails:Array#pack with format 'e' returns an ASCII-8BIT string
fails:Array#pack with format 'e' raises a TypeError if a String does not represent a floating point number
fails:Array#pack with format 'e' raises a TypeError when the object does not respond to #to_f
fails:Array#pack with format 'e' raises a TypeError if passed a String representation of a floating point number
fails:Array#pack with format 'e' encodes NaN
