public void testUnorderedEndpointPair() {
    EndpointPair<String> unordered = EndpointPair.unordered("chicken", "egg");
    assertThat(unordered.isOrdered()).isFalse();
    assertThat(unordered).containsExactly("chicken", "egg");
    assertThat(ImmutableSet.of(unordered.nodeU(), unordered.nodeV()))
        .containsExactly("chicken", "egg");
    assertThat(unordered.adjacentNode(unordered.nodeU())).isEqualTo(unordered.nodeV());

  public void testUnorderedEndpointPair() {
    EndpointPair<String> unordered = EndpointPair.unordered("chicken", "egg");
    assertThat(unordered.isOrdered()).isFalse();
    assertThat(unordered).containsExactly("chicken", "egg");
    assertThat(ImmutableSet.of(unordered.nodeU(), unordered.nodeV()))
        .containsExactly("chicken", "egg");
    assertThat(unordered.adjacentNode(unordered.nodeU())).isEqualTo(unordered.nodeV());

  }

  public void testRowKeySetSubSet() {
    sortedTable = create("foo", 1, 'a', "bar", 1, 'b', "foo", 3, 'c', "dog", 2, 'd');
    Set<String> set = sortedTable.rowKeySet().subSet("cat", "egg");
    assertEquals(Collections.singleton("dog"), set);
    set.clear();
    assertTrue(set.isEmpty());
    assertEquals(ImmutableSet.of("bar", "foo"), sortedTable.rowKeySet());
  }

  }

  public void testRowKeySetSubSet() {
    sortedTable = create("foo", 1, 'a', "bar", 1, 'b', "foo", 3, 'c', "dog", 2, 'd');
    Set<String> set = sortedTable.rowKeySet().subSet("cat", "egg");
    assertEquals(Collections.singleton("dog"), set);
    set.clear();
    assertTrue(set.isEmpty());
    assertEquals(ImmutableSet.of("bar", "foo"), sortedTable.rowKeySet());
  }

deepest contempt.  `I've seen a good many little girls in my
time, but never ONE with such a neck as that!  No, no!  You're a
serpent; and there's no use denying it.  I suppose you'll be
telling me next that you never tasted an egg!'

  `I HAVE tasted eggs, certainly,' said Alice, who was a very
truthful child; `but little girls eat eggs quite as much as
serpents do, you know.'

  `I don't believe it,' said the Pigeon; `but if they do, why

deepest contempt.  `I've seen a good many little girls in my
time, but never ONE with such a neck as that!  No, no!  You're a
serpent; and there's no use denying it.  I suppose you'll be
telling me next that you never tasted an egg!'

  `I HAVE tasted eggs, certainly,' said Alice, who was a very
truthful child; `but little girls eat eggs quite as much as
serpents do, you know.'

  `I don't believe it,' said the Pigeon; `but if they do, why