@Test
public void twoPeriodsAreNotEqualIfTheyHaveUnequalCodes() {
FinancialPeriod other = new FinancialPeriod(period.getCode() + "Y");
parent.addChild(other);
assertNotEquals(period, other);
}
@Test
public void twoPeriodsAreEqualIfTheyBelongToEqualParentsAndHaveEqualCodes() {
FinancialPeriod other = new FinancialPeriod(period.getCode());
parent.addChild(other);
assertEquals(period, other);
assertEquals(period.hashCode(), other.hashCode());
}
@Test
public void twoPeriodsAreNotEqualIfTheyBelongToUnequalParents() {
FinancialPeriod other = new FinancialPeriod(period.getCode());
FinancialPeriod otherParent = new FinancialPeriod(parent.getCode() + "X");
otherParent.addChild(other);
assertNotEquals(period, other);
}
@Test
public void aPeriodIsLessThanOtherBasedOnItsCodeCoparison() {
FinancialPeriod other = new FinancialPeriod("Q2");
FinancialPeriod otherParent = new FinancialPeriod(parent.getCode());
otherParent.addChild(other);
assertThat(period, is(lessThan(other)));
}
@Test
public void twoPeriodsAreEqualUnderTheComparableContractBecauseHaveEqualCodesAtTheSameLevel() {
FinancialPeriod other = new FinancialPeriod(period.getCode());
FinancialPeriod otherParent = new FinancialPeriod(parent.getCode());
otherParent.addChild(other);
assertThat(period, is(lessThanOrEqualTo(other)));
assertThat(period, is(greaterThanOrEqualTo(other)));
}