@Test
public void AFMSMeterRegReadingSortByReading_compareOne() throws Exception {
AFMSMeterRegReading big = new AFMSMeterRegReading();
big.setRegisterReading(10.0F);
AFMSMeterRegReading small = new AFMSMeterRegReading();
small.setRegisterReading(1.0F);
AFMSMeterRegReadingSortByReadingReverse comparator =
new AFMSMeterRegReadingSortByReadingReverse();
assertTrue(comparator.compare(big, small) < 0);
assertTrue(comparator.compare(small, big) > 0);
AFMSMeterRegReading big2 = new AFMSMeterRegReading();
big2.setRegisterReading(10.0F);
assertTrue(comparator.compare(big2, big) == 0);
ArrayList<AFMSMeterRegReading> threeHighestReadings = new ArrayList<AFMSMeterRegReading>();
threeHighestReadings.add(big);
}
@Test
public void AFMSMeterRegReadingSortByReadingDate_sortList() throws Exception {
Freeze.freeze(new DateTime());
AFMSMeterRegReading ten = new AFMSMeterRegReading();
ten.setMeterReadingDate(new DateTime());
AFMSMeterRegReading one = new AFMSMeterRegReading();
one.setMeterReadingDate(new DateTime().minusYears(1));
AFMSMeterRegReading three = new AFMSMeterRegReading();
three.setMeterReadingDate(new DateTime().minusMonths(1));
ArrayList<AFMSMeterRegReading> threeReadings = new ArrayList<AFMSMeterRegReading>();
threeReadings.add(one);
threeReadings.add(ten);
threeReadings.add(three);
Collections.sort(threeReadings, new AFMSMeterRegReadingSortByReadingDate());
Iterator<AFMSMeterRegReading> it = threeReadings.iterator();
AFMSMeterRegReading r1 = it.next();
assertNotNull(r1);
assertEquals("10 newest", new DateTime(), r1.getMeterReadingDate());
AFMSMeterRegReading r2 = it.next();
assertNotNull(r2);
assertEquals(
"then 3 is the middle one", new DateTime().minusMonths(1), r2.getMeterReadingDate());
AFMSMeterRegReading r3 = it.next();
assertNotNull(r3);
assertEquals("lastly 1 is the oldest", new DateTime().minusYears(1), r3.getMeterReadingDate());
Freeze.thaw();
}
@Test
public void AFMSMeterRegReadingSortByReading_sortList() throws Exception {
AFMSMeterRegReading ten = new AFMSMeterRegReading();
ten.setRegisterReading(10.0F);
AFMSMeterRegReading one = new AFMSMeterRegReading();
one.setRegisterReading(1.0F);
AFMSMeterRegReading three = new AFMSMeterRegReading();
three.setRegisterReading(3.0F);
ArrayList<AFMSMeterRegReading> threeReadings = new ArrayList<AFMSMeterRegReading>();
threeReadings.add(one);
threeReadings.add(ten);
threeReadings.add(three);
Collections.sort(threeReadings, new AFMSMeterRegReadingSortByReadingReverse());
Iterator<AFMSMeterRegReading> it = threeReadings.iterator();
AFMSMeterRegReading r1 = it.next();
assertNotNull(r1);
assertEquals("10 is biggest so should be first", new Float(10.0F), r1.getRegisterReading());
AFMSMeterRegReading r2 = it.next();
assertNotNull(r2);
assertEquals("then 3 is the middle one", new Float(3.0F), r2.getRegisterReading());
AFMSMeterRegReading r3 = it.next();
assertNotNull(r3);
assertEquals("lastly 1 is the smalest", new Float(1.0F), r3.getRegisterReading());
}