namespace Test
	
	class Test
		
		def main
			is shared
			
			b as bool = true
			assert b
			b = false
			assert not b

			# not
			assert not false
			assert not not true

			# and
			assert true and true
			assert not (true and false)
			assert not (false and true)
			assert not (false and false)
			
			# or
			assert true or true
			assert true or false
			assert false or true
			assert not (false or false)

			# 2 bool ops
			assert true and true or false
			assert not (true or true and false)
			assert true and false or true
			assert true or false and true

			# comparison
			assert true==true
			assert false==false
			assert true<>false
			assert false<>true

		def returnTrue as bool
			return true
		
		def returnFalse as bool
			return false