assertThat(map.entrySet())
        .containsExactly(immutableEntry("one", 1), immutableEntry("three", 3))
        .inOrder();
  }

  public void testHeadMapExclusive() {
    Map<String, Integer> map =
        ImmutableSortedMap.of("one", 1, "two", 2, "three", 3).headMap("three", false);
    assertThat(map.entrySet()).containsExactly(immutableEntry("one", 1));
  }