test_interval_delta_when_world_step_is_bigger_than_system_interval

@Test
	public void test_interval_delta_when_world_step_is_bigger_than_system_interval() {
		IntervalSystem intervalSystem = new IntervalSystem();
		World world = new World(new WorldConfiguration()
				.setSystem(intervalSystem));

		float worldTotalTime=0;
		float intervalSystemTotalIntervalTime=0;
		for (int i = 0; i < 4; i++) {
			world.delta = 2f;
			worldTotalTime+=2f;
			world.process();
//			intervalSystem has 1 second interval
			// so it will run processing round on each world step
			intervalSystemTotalIntervalTime +=intervalSystem.getIntervalDelta();
			System.out.println(intervalSystem.getIntervalDelta());
		}

		Assert.assertEquals(worldTotalTime, 2 * 4, ACC);
		Assert.assertEquals(intervalSystemTotalIntervalTime, 2 * 4, ACC);
	}

	private static class IntervalSystem extends IntervalEntitySystem {

		@SuppressWarnings("unchecked")
		public IntervalSystem() {
			super(Aspect.all(ComponentX.class), 1);
		}

		@Override
		protected void processSystem() {
			System.out.println("processSystem");
		}
	}