@Test
public void testMultiSet() {
HashMultiset<Integer> multiset = HashMultiset.create();
multiset.add(1);
multiset.add(1);
multiset.add(2);
multiset.add(2);
multiset.add(4);
multiset.add(4);
multiset.add(4);
Assert.assertTrue(multiset.size() == 7);
Assert.assertTrue(multiset.contains(4));
Assert.assertTrue(multiset.count(4) == 3);
multiset.add(4, 5);
Assert.assertTrue(multiset.count(4) == 8);
}
@BeforeExperiment
void setUp() {
hashMultiset = HashMultiset.create(size);
linkedHashMultiset = LinkedHashMultiset.create(size);
treeMultiset = TreeMultiset.create();
Random random = new Random();
int sizeRemaining = size;
// TODO(kevinb): generate better test contents for multisets
for (int i = 0; sizeRemaining > 0; i++) {
// The JVM will return interned values for small ints.
Integer value = random.nextInt(1000) + 128;
int count = Math.min(random.nextInt(10) + 1, sizeRemaining);
sizeRemaining -= count;
hashMultiset.add(value, count);
linkedHashMultiset.add(value, count);
treeMultiset.add(value, count);
}
// TODO(kevinb): convert to assert once benchmark tests enable asserts by default
Preconditions.checkState(hashMultiset.size() == size);
}