# File gstreamer/tests/tc_clock.rb, line 30
    def test_desynch_clock
        src  = Gst::ElementFactory.make("fakesrc",  "source")
        id   = Gst::ElementFactory.make("identity", "filter")
        sink = Gst::ElementFactory.make("fakesink", "sink")
        
        pipeline = Gst::Pipeline.new("pipeline")
        
        src >> id >> sink
        pipeline.add(src, id, sink) 
        
        assert_instance_of(Gst::Clock, clock = pipeline.clock)
        clock.test(self)
        assert !clock.active?
        assert_equal(clock.time, 0)
        debug(clock)        
        
        pipeline.play

        debug(clock)        
        assert clock.active?

        5.times do |x|
            sleep 1 
            pipeline.iterate
            debug(clock)
            a, b = (x.succ - 0.1) * Gst::SECOND, (x.succ + 0.1) * Gst::SECOND 
            assert (clock.time >= a && clock.time <= b)
        end
    end