class Test

	def main is shared
	
		assert Num(5) == Num(5)
		assert Num(5) <> Num(6)
		assert Num(5) < Num(6)
		assert Num(5) <= Num(5)
		assert Num(5) <= Num(6)
		assert Num(6) > Num(5)
		assert Num(6) >= Num(6)
		assert Num(6) >= Num(5)
		
		assert Num2(6) > Num2(5)

class Num implements IComparable
	
	var _n as int
	
	cue init(n as int)
		base.init
		_n = n
	
	def equals(obj as Object?) as bool is override
		if obj inherits Num
			return _n == obj._n
		else
			return false
	
	def getHashCode as int is override
		return _n.getHashCode
		
	def compareTo(obj as Object) as int
		if obj inherits Num
			print _n, obj._n
			return _n.compareTo(obj._n)
		else
			return 1


class Num2 implements IComparable
	# has overload of compareTo
	
	var _n as int

	cue init(n as int)
		base.init
		_n = n

	def equals(obj as Object?) as bool is override
		if obj inherits Num2
			return _n == obj._n
		else
			return false

	def getHashCode as int is override
		return _n.getHashCode
	
	def compareTo(obj as Object) as int
		if obj inherits Num2
			print _n, obj._n
			return _n.compareTo(obj._n)
		else
			return 1

	def compareTo(num2 as Num2) as int
		return _n.compareTo(num2._n)