assertThat(keySet).containsExactly(6, 7, 8, 9, 0, 1, 2, 10, 11, 12);

    // re-order
    getAll(cache, asList(6, 7, 8));
    CacheTesting.drainRecencyQueues(cache);
    assertThat(keySet).containsExactly(9, 0, 1, 2, 10, 11, 12, 6, 7, 8);

    // evict 9, 0, 1
    getAll(cache, asList(13, 14, 15));
    CacheTesting.drainRecencyQueues(cache);
    assertThat(keySet).containsExactly(2, 10, 11, 12, 6, 7, 8, 13, 14, 15);
  }

    // 6 expires
    ticker.advance(1, MILLISECONDS);
    assertThat(keySet).containsExactly(8, 0, 1, 2, 5, 7, 9);
    ticker.advance(1, MILLISECONDS);
    assertThat(keySet).containsExactly(8, 0, 1, 2, 5, 7, 9);

    // 8 expires
    ticker.advance(1, MILLISECONDS);
    assertThat(keySet).containsExactly(0, 1, 2, 5, 7, 9);
  }

    } else if (a.isConnected(b)) {
      assertThat(rangeSet.asRanges()).containsExactly(a.span(b));
    } else {
      if (a.lowerEndpoint() < b.lowerEndpoint()) {
        assertThat(rangeSet.asRanges()).containsExactly(a, b).inOrder();
      } else {
        assertThat(rangeSet.asRanges()).containsExactly(b, a).inOrder();
      }
    }
  }

  public void testRemoveEmpty() {

    assertThat(multimap.keySet()).containsExactly("a", "b", "c").inOrder();
    assertThat(multimap.values()).containsExactly(1, 3, 2, 4).inOrder();
    assertThat(multimap.get("a")).containsExactly(1, 3).inOrder();
    assertThat(multimap.get("b")).containsExactly(2);
    assertThat(multimap.get("c")).containsExactly(4);
  }

  public void testEmptyMultimapReads() {

  }

  public void testOf1() {
    assertThat(ImmutableDoubleArray.of(0).asList()).containsExactly(0.0);
  }

  public void testOf2() {
    assertThat(ImmutableDoubleArray.of(0, 1).asList()).containsExactly(0.0, 1.0).inOrder();
  }

  public void testOf3() {
    assertThat(ImmutableDoubleArray.of(0, 1, 3).asList()).containsExactly(0.0, 1.0, 3.0).inOrder();
  }

  public void testOf4() {

  }

  public void testOf1() {
    assertThat(ImmutableLongArray.of(0).asList()).containsExactly(0L);
  }

  public void testOf2() {
    assertThat(ImmutableLongArray.of(0, 1).asList()).containsExactly(0L, 1L).inOrder();
  }

  public void testOf3() {
    assertThat(ImmutableLongArray.of(0, 1, 3).asList()).containsExactly(0L, 1L, 3L).inOrder();
  }

  public void testOf4() {

    ImmutableListMultimap<String, Integer> multimap = builder.build();
    assertThat(multimap.keySet()).containsExactly("d", "c", "b", "a").inOrder();
    assertThat(multimap.values()).containsExactly(2, 4, 3, 6, 5, 2).inOrder();
    assertThat(multimap.get("a")).containsExactly(5, 2).inOrder();
    assertThat(multimap.get("b")).containsExactly(3, 6).inOrder();
  }

  public void testBuilderOrderKeysByDuplicates() {

    assertEqualCharNodes(Iterables.limit(result, 2), "ab");
    assertThat(graph.requestedNodes).containsExactly('a', 'a', 'b');

    // Iterate again to see if calculation is done again
    assertEqualCharNodes(Iterables.limit(result, 2), "ab");
    assertThat(graph.requestedNodes).containsExactly('a', 'a', 'a', 'b', 'b');
  }

  @Test
  public void forGraph_breadthFirstIterable_iterableIsLazy() {

    assertThat(Optional.presentInstances(optionals)).containsExactly("a", "c").inOrder();
  }

  public void testPresentInstances_callingIteratorTwice() {
    List<Optional<String>> optionals =
        ImmutableList.of(Optional.of("a"), Optional.<String>absent(), Optional.of("c"));
    Iterable<String> onlyPresent = Optional.presentInstances(optionals);
    assertThat(onlyPresent).containsExactly("a", "c").inOrder();

    assertThat(graph.nodes()).containsExactly(N1, N5, N4, N2, N3).inOrder();
    assertThat(graph.adjacentNodes(N1)).containsExactly(N4, N5);
    assertThat(graph.adjacentNodes(N2)).containsExactly(N3);
    assertThat(graph.adjacentNodes(N3)).containsExactly(N2);
    assertThat(graph.adjacentNodes(N4)).containsExactly(N1);
    assertThat(graph.adjacentNodes(N5)).containsExactly(N1);
  }

  @Test