class Test1

	enum Colors
		Red
		Green
		Blue


class Test2

	def main
		is shared
		c as Test1.Colors = Test1.Colors.Red
		assert c == Test1.Colors.Red
		assert c <> Test1.Colors.Green
		assert c is Test1.Colors.Red  # .warning. value types
		assert c is not Test1.Colors.Green  # .warning. value types