FluentIterable<String> tail = FluentIterable.from(list).skip(2);
    list.subList(0, 2).clear();
    assertThat(tail).isEmpty();
  }

  public void testSkip_illegalArgument() {
    try {
      FluentIterable.from(asList("a", "b", "c")).skip(-1);
      fail("Skipping negative number of elements should throw IllegalArgumentException.");
    } catch (IllegalArgumentException expected) {

    FluentIterable<String> tail = FluentIterable.from(list).skip(2);
    list.subList(0, 2).clear();
    assertThat(tail).isEmpty();
  }

  public void testSkip_illegalArgument() {
    try {
      FluentIterable.from(asList("a", "b", "c")).skip(-1);
      fail("Skipping negative number of elements should throw IllegalArgumentException.");
    } catch (IllegalArgumentException expected) {

    List<String> list = newArrayList("a", "b", "c");
    Iterable<String> tail = skip(list, 2);
    list.subList(0, 2).clear();
    assertTrue(Iterables.isEmpty(tail));
  }

  public void testSkip_illegalArgument() {
    List<String> list = newArrayList("a", "b", "c");
    try {
      skip(list, -1);
      fail();
    } catch (IllegalArgumentException expected) {
    }
  }

    List<String> list = newArrayList("a", "b", "c");
    Iterable<String> tail = skip(list, 2);
    list.subList(0, 2).clear();
    assertTrue(Iterables.isEmpty(tail));
  }

  public void testSkip_illegalArgument() {
    List<String> list = newArrayList("a", "b", "c");
    try {
      skip(list, -1);
      fail();
    } catch (IllegalArgumentException expected) {
    }
  }