assertThat(letters).containsExactly("a", "b", "c").inOrder();
  }

  public void testCharacterSimpleSplitToStream() {
    String simple = "a,b,c";
    List<String> letters = COMMA_SPLITTER.splitToStream(simple).collect(toImmutableList());
    assertThat(letters).containsExactly("a", "b", "c").inOrder();
  }

  public void testToString() {

    assertThat(elementSet).containsExactly("a", "b", "c", "d", "e", "f").inOrder();
    SortedSet<String> subset = elementSet.subSet("b", "f");
    assertThat(subset).containsExactly("b", "c", "d", "e").inOrder();

    assertTrue(subset.remove("c"));
    assertThat(elementSet).containsExactly("a", "b", "d", "e", "f").inOrder();
    assertThat(subset).containsExactly("b", "d", "e").inOrder();
    assertEquals(10, ms.size());

            .containsExactlyElementsIn(expected.headMap(key, inclusive).entrySet())
            .inOrder();
        assertThat(navigableMap.tailMap(key, inclusive).entrySet())
            .containsExactlyElementsIn(expected.tailMap(key, inclusive).entrySet())
            .inOrder();
        assertThat(navigableMap.headMap(key, inclusive).descendingMap().entrySet())

    assertThat(tree.keySet()).containsExactly("tree", "google").inOrder();
    assertThat(tree.get("google")).containsExactly(6, 2).inOrder();

    TreeMultimap<String, Integer> copy = TreeMultimap.create(tree);
    assertEquals(tree, copy);
    assertThat(copy.keySet()).containsExactly("google", "tree").inOrder();
    assertThat(copy.get("google")).containsExactly(2, 6).inOrder();
    assertEquals(Ordering.natural(), copy.keyComparator());

    assertThat(elementSet).containsExactly("a", "b", "c", "d", "e", "f").inOrder();
    SortedSet<String> subset = elementSet.subSet("b", "f");
    assertThat(subset).containsExactly("b", "c", "d", "e").inOrder();

    assertTrue(subset.remove("c"));
    assertThat(elementSet).containsExactly("a", "b", "d", "e", "f").inOrder();
    assertThat(subset).containsExactly("b", "d", "e").inOrder();
    assertEquals(10, ms.size());

    sequential.funnel(Arrays.asList("foo", "bar", "baz", "quux"), primitiveSink);
    InOrder inOrder = inOrder(elementFunnel);
    inOrder.verify(elementFunnel).funnel("foo", primitiveSink);
    inOrder.verify(elementFunnel).funnel("bar", primitiveSink);
    inOrder.verify(elementFunnel).funnel("baz", primitiveSink);
    inOrder.verify(elementFunnel).funnel("quux", primitiveSink);
  }

    Iterable<String> letters = Splitter.on('.').split(simple);
    assertThat(letters).containsExactly("a,b,c").inOrder();
  }

  public void testCharacterSplitWithDoubleDelimiter() {
    String doubled = "a,,b,c";
    Iterable<String> letters = COMMA_SPLITTER.split(doubled);
    assertThat(letters).containsExactly("a", "", "b", "c").inOrder();
  }

  public void testCharacterSplitWithDoubleDelimiterAndSpace() {
    String doubled = "a,, b,c";

    assertThat(graph.nodes()).containsExactly(3, 1, 4).inOrder();
  }

  // The default ordering is INSERTION unless otherwise specified.
  @Test
  public void nodeOrder_default() {
    MutableGraph<Integer> graph = GraphBuilder.directed().build();

    addNodes(graph);

    assertThat(graph.nodeOrder()).isEqualTo(insertion());
    assertThat(graph.nodes()).containsExactly(3, 1, 4).inOrder();
  }

  @Test

    assertTrue(set.headSet("e") instanceof ImmutableSortedSet);
    assertThat(set.headSet("e")).containsExactly("b", "c", "d").inOrder();
    assertThat(set.headSet("g")).containsExactly("b", "c", "d", "e", "f").inOrder();
    assertSame(this.<String>of(), set.headSet("a"));
    assertSame(this.<String>of(), set.headSet("b"));
  }

  public void testOf_tailSet() {

    sequential.funnel(Arrays.asList("foo", "bar", "baz", "quux"), primitiveSink);
    InOrder inOrder = inOrder(elementFunnel);
    inOrder.verify(elementFunnel).funnel("foo", primitiveSink);
    inOrder.verify(elementFunnel).funnel("bar", primitiveSink);
    inOrder.verify(elementFunnel).funnel("baz", primitiveSink);
    inOrder.verify(elementFunnel).funnel("quux", primitiveSink);
  }