@Test
public void calculateDifference_EqualLists_ReturnsNoDiff() {
List<Integer> list1 = new ArrayList<>();
list1.add(1);
list1.add(2);
list1.add(3);
List<Integer> list2 = new ArrayList<>();
list2.add(1);
list2.add(2);
list2.add(3);
boolean hasDiff =
JdkDiffCreators.LIST.calculateDiff(list1, list2, JdkDiffCreators.CONTEXT).isPresent();
Assert.assertFalse(hasDiff);
}
@Test
public void calculateDifference_UnequalLists_ReturnsListDiff() {
List<Integer> list1 = new ArrayList<>();
list1.add(1);
list1.add(2);
list1.add(3);
List<Integer> list2 = new ArrayList<>();
list2.add(1);
list2.add(5);
@SuppressWarnings("unchecked")
OrderedElementsDiff<Integer> diff =
(OrderedElementsDiff<Integer>)
JdkDiffCreators.LIST.calculateDiff(list1, list2, JdkDiffCreators.CONTEXT).get();
Assert.assertEquals(diff.getElementDifferences().size(), 2);
Assert.assertTrue(
OrderedElementsDiffHelper.containsElementDifference(
1, Optional.of(2), Optional.of(5), diff));
Assert.assertTrue(
OrderedElementsDiffHelper.containsElementDifference(
2, Optional.of(3), Optional.empty(), diff));
}
