@Test public void testMeter2calcFlow() { user.setFlow(2015, 10, 900); user.setFlow(2015, 11, 700); user.setFlow(2015, 12, 500); user.setFlow(2016, 1, realFlow); assertEquals(feeFlow, user.calculateBillingFlow(2016, 1)); user.setFlow(2015, 10, 1900); user.setFlow(2015, 11, 1200); user.setFlow(2015, 12, 1500); user.setFlow(2016, 1, realFlow); assertEquals(feeFlow2, user.calculateBillingFlow(2016, 1)); }