}

  public void testContains_nonNullIterableNo() {
    Iterable<String> iterable = iterable("a", "b");
    assertFalse(FluentIterable.from(iterable).contains("c"));
  }

  public void testOfToString() {
    assertThat(FluentIterable.of("yam", "bam", "jam", "ham").toString())
        .isEqualTo("[yam, bam, jam, ham]");
  }

  public void testToString() {