Set<K> keySet = map.keySet();
    Collection<V> valueCollection = map.values();
    Set<Entry<K, V>> entrySet = map.entrySet();

    assertEquals(map.size() == 0, map.isEmpty());
    assertEquals(map.size(), keySet.size());
    assertEquals(keySet.size() == 0, keySet.isEmpty());
    assertEquals(!keySet.isEmpty(), keySet.iterator().hasNext());

    int expectedKeySetHash = 0;
    for (K key : keySet) {
      V value = map.get(key);

    assertEquals(0, actual.indexOf(list(1, 3)));
    assertEquals(1, actual.indexOf(list(1, 4)));
    assertEquals(2, actual.indexOf(list(2, 3)));
    assertEquals(3, actual.indexOf(list(2, 4)));
    assertEquals(-1, actual.indexOf(list(3, 1)));

    assertEquals(-1, actual.indexOf(list(1)));
    assertEquals(-1, actual.indexOf(list(1, 1, 1)));
  }

        MavenProject project = result.get(0).getProject();
        // verify a few typical parameters are not duplicated
        assertEquals(1, project.getTestCompileSourceRoots().size());
        assertEquals(1, project.getCompileSourceRoots().size());
        assertEquals(1, project.getMailingLists().size());
        assertEquals(1, project.getResources().size());
    }

    @Test

    assertEquals(3, Iterables.frequency(multiset, "a"));
    assertEquals(2, Iterables.frequency(multiset, "b"));
    assertEquals(1, Iterables.frequency(multiset, "c"));
    assertEquals(0, Iterables.frequency(multiset, "d"));
    assertEquals(0, Iterables.frequency(multiset, 4.2));
    assertEquals(0, Iterables.frequency(multiset, null));
  }

      for (int b : POSITIVE_INTEGER_CANDIDATES) {
        assertEquals(valueOf(a).gcd(valueOf(b)), valueOf(IntMath.gcd(a, b)));
      }
    }
  }

  public void testGCDZero() {
    for (int a : POSITIVE_INTEGER_CANDIDATES) {
      assertEquals(a, IntMath.gcd(a, 0));
      assertEquals(a, IntMath.gcd(0, a));
    }
    assertEquals(0, IntMath.gcd(0, 0));
  }

    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"));

        // [16] install:install
        //

        assertEquals(16, executions.size());

        assertEquals("clean:clean", executions.get(0).getMojoDescriptor().getFullGoalName());
        assertEquals("it:xpp3-writer", executions.get(1).getMojoDescriptor().getFullGoalName());
        assertEquals("it:java", executions.get(2).getMojoDescriptor().getFullGoalName());

    ImmutableList<String> list = multiset.asList();
    assertEquals(ImmutableList.of("a", "a", "b", "b", "b"), list);
    SerializableTester.reserializeAndAssert(list);
    assertEquals(2, list.indexOf("b"));
    assertEquals(4, list.lastIndexOf("b"));
  }

  private static class IntegerDiv10 implements Comparable<IntegerDiv10> {
    final int value;

    mmHeap.add(3);
    mmHeap.add(2);
    assertEquals(1, (int) mmHeap.peek());
    assertEquals(1, (int) mmHeap.poll());
    assertEquals(3, (int) mmHeap.peekLast());
    assertEquals(2, (int) mmHeap.peek());
    assertEquals(2, (int) mmHeap.poll());
    assertEquals(3, (int) mmHeap.peekLast());
    assertEquals(3, (int) mmHeap.peek());
    assertEquals(3, (int) mmHeap.poll());
    assertNull(mmHeap.peekLast());

    assertMapsEqual(expected, map);
    assertEquals(expected.get("a"), map.get("a"));
    assertEquals(expected.containsKey("a"), map.containsKey("a"));
    assertEquals(expected.get("b"), map.get("b"));
    assertEquals(expected.containsKey("b"), map.containsKey("b"));
    assertEquals(expected.get("c"), map.get("c"));
    assertEquals(expected.containsKey("c"), map.containsKey("c"));
  }