@Test
public void testGetPreviousPeriod() {
testDate = new DateTime(2009, 8, 15, 0, 0);
Period period = periodType.createPeriod(testDate.toDate());
period = periodType.getPreviousPeriod(period);
startDate = new DateTime(2009, 5, 1, 0, 0);
endDate = new DateTime(2009, 6, 30, 0, 0);
assertEquals(startDate.toDate(), period.getStartDate());
assertEquals(endDate.toDate(), period.getEndDate());
}
