@Test
public void whenGetTopUsingMultiSet_thenCorrect() {
final Multiset<String> names = HashMultiset.create();
names.add("John");
names.add("Adam", 5);
names.add("Jane");
names.add("Tom", 2);
final Set<String> sorted = Multisets.copyHighestCountFirst(names).elementSet();
final List<String> topTwo = Lists.newArrayList(sorted).subList(0, 2);
assertEquals(2, topTwo.size());
assertEquals("Adam", topTwo.get(0));
assertEquals("Tom", topTwo.get(1));
}
@Test
public void whenInsertDuplicatesInMultiSet_thenInserted() {
final Multiset<String> names = HashMultiset.create();
names.add("John");
names.add("Adam", 3);
names.add("John");
assertEquals(2, names.count("John"));
names.remove("John");
assertEquals(1, names.count("John"));
assertEquals(3, names.count("Adam"));
names.remove("Adam", 2);
assertEquals(1, names.count("Adam"));
}