Iterator<String> iterator = Lists.newArrayList("manny", "mo", "jack").iterator();
    assertEquals(1, Iterators.indexOf(iterator, Predicates.equalTo("mo")));
    assertEquals("jack", iterator.next());
    assertFalse(iterator.hasNext());
  }

  public void testIndexOf_consumedDataWithDuplicates() {
    Iterator<String> iterator = Lists.newArrayList("manny", "mo", "mo", "jack").iterator();

singing a sort of lullaby to it as she did so, and giving it a
violent shake at the end of every line:

        `Speak roughly to your little boy,
          And beat him when he sneezes:
        He only does it to annoy,
          Because he knows it teases.'

                    CHORUS.

    (In which the cook and the baby joined):--

                `Wow! wow! wow!'

    tasks.get(0).run();

    assertEquals("One event should be delivered.", 1, events.size());
    assertEquals("Correct string should be delivered.", EVENT, events.get(0));
  }

  /**
   * An {@link Executor} wanna-be that simply records the tasks it's given. Arguably the Worst
   * Executor Ever.
   *
   * @author cbiffle
   */
  public static class FakeExecutor implements Executor {
    List<Runnable> tasks = Lists.newArrayList();

    Iterator<String> iterator = Lists.newArrayList("manny", "mo", "jack").iterator();
    assertEquals(1, Iterators.indexOf(iterator, Predicates.equalTo("mo")));
    assertEquals("jack", iterator.next());
    assertFalse(iterator.hasNext());
  }

  public void testIndexOf_consumedDataWithDuplicates() {
    Iterator<String> iterator = Lists.newArrayList("manny", "mo", "mo", "jack").iterator();

zimihs!ok?????nu,?g!iti,oyh!.&a&bmat?dnas?gusak?k&at?o&oyot?y??uzarakat??m&ayasas?irah??wa&g&ani?okak??k&i&hci?mak??oy???yi&hsa?monihsin???i&asak?hs&aka?i&at?nawak???j&awa!imanim??emih??k&a&goa?s&agama?ukuf??wihsin??i&hsog?m???mati?oia?rogimak??n&annas?esnonihs??o&gasa!kat??ka?n&ikat?o?ustat??rihsay?sihs?tomus?yas??u&bay?gnihs?????hih,konip,l&bs,ik,?mol,nagan!.&a&bukah?d&a&w?yim??e&ki?u??ii??k&a&s&ay?uki??zus??ihsoo?ousay??m&ay&akat?ii??i&hsukufosik?jii??ukihc??n&i!hsetat??uzii??r&ah?ugot??saim?...

singing a sort of lullaby to it as she did so, and giving it a
violent shake at the end of every line:

        `Speak roughly to your little boy,
          And beat him when he sneezes:
        He only does it to annoy,
          Because he knows it teases.'

                    CHORUS.

    (In which the cook and the baby joined):--

                `Wow! wow! wow!'

    tasks.get(0).run();

    assertEquals("One event should be delivered.", 1, events.size());
    assertEquals("Correct string should be delivered.", EVENT, events.get(0));
  }

  /**
   * An {@link Executor} wanna-be that simply records the tasks it's given. Arguably the Worst
   * Executor Ever.
   *
   * @author cbiffle
   */
  public static class FakeExecutor implements Executor {
    List<Runnable> tasks = Lists.newArrayList();