0 * action._

        when:
        outstr.close()

        then:
        1 * action.text("text")
        1 * action.endOfStream(null)
        0 * action._
    }

    def closeDoesNothingWhenNothingWritten() {
        TextStream action = Mock()
        def outstr = new LinePerThreadBufferingOutputStream(action)

        when:
        outstr.close()

        then:
        1 * action.endOfStream(null)