class Test

	get fileName as String is shared
		dirPath = Path.combine(Path.combine(Path.combine(Path.combine(Environment.currentDirectory, '..'), '..'), 'Source'), 'Misc')
		assert Directory.exists(dirPath)
		return Path.combine(dirPath, 'hello.cobra')
			
	def main is shared
		using sr = File.openText(.fileName)
			print sr.readLine
		assert (sr to ?) is nil
		using sr = File.openText(.fileName)
			print sr.readLine
		assert (sr to ?) is nil
		Test().useClassVar

	var _tr as TextReader?

	def useClassVar
		assert _tr is nil
		using _tr = File.openText(.fileName)
			assert _tr is not nil
			print _tr.readLine
		assert _tr is nil