@Test
public void testCompareWithEmptyLists() {
final List<String> working = Collections.emptyList();
final List<String> base = Collections.emptyList();
final CollectionNode node = differ.compare(working, base);
assertThat(node.hasChanges(), is(false));
assertThat(node.hasChildren(), is(false));
}
@Test
public void testCompareWithRemovedCollection() throws Exception {
final List<Object> working = null;
final List<Object> base = Collections.emptyList();
final CollectionNode node = differ.compare(working, base);
assertThat(node.getState(), is(Node.State.REMOVED));
}
@Test
public void testCompareWithAddedCollection() throws Exception {
final List<Object> working = Collections.emptyList();
final CollectionNode node = differ.compare(working, null);
assertThat(node.getState(), is(Node.State.ADDED));
}