public void testToString() {
    Multiset<String> ms = TreeMultiset.create();
    ms.add("a", 3);
    ms.add("c", 1);
    ms.add("b", 2);

    assertEquals("[a x 3, b x 2, c]", ms.toString());
  }
 public void testCreateWithComparator() {
   Multiset<String> multiset = TreeMultiset.create(Collections.reverseOrder());
   multiset.add("foo", 2);
   multiset.add("bar");
   assertEquals(3, multiset.size());
   assertEquals(2, multiset.count("foo"));
   assertEquals("[foo x 2, bar]", multiset.toString());
 }
 public void testCreateFromIterable() {
   Multiset<String> multiset = TreeMultiset.create(Arrays.asList("foo", "bar", "foo"));
   assertEquals(3, multiset.size());
   assertEquals(2, multiset.count("foo"));
   assertEquals("[bar, foo x 2]", multiset.toString());
 }