assertEquals("woot", find(iterator, Predicates.alwaysFalse(), "woot"));
    assertFalse(iterator.hasNext());
  }

  public void testFind_withDefault_notPresent_nullReturn() {
    Iterable<String> list = Lists.newArrayList("cool", "pants");
    Iterator<String> iterator = list.iterator();
    assertNull(find(iterator, Predicates.alwaysFalse(), null));
    assertFalse(iterator.hasNext());
  }

    assertEquals("woot", find(iterator, Predicates.alwaysFalse(), "woot"));
    assertFalse(iterator.hasNext());
  }

  public void testFind_withDefault_notPresent_nullReturn() {
    Iterable<String> list = Lists.newArrayList("cool", "pants");
    Iterator<String> iterator = list.iterator();
    assertNull(find(iterator, Predicates.alwaysFalse(), null));
    assertFalse(iterator.hasNext());
  }

    assertEquals("cool", find(list, equalTo("cool"), "woot"));
    assertEquals("pants", find(list, equalTo("pants"), "woot"));
    assertEquals("woot", find(list, Predicates.alwaysFalse(), "woot"));
    assertNull(find(list, Predicates.alwaysFalse(), null));
    assertEquals("cool", find(list, Predicates.alwaysTrue(), "woot"));
    assertCanIterateAgain(list);
  }

  public void testTryFind() {

    assertThat(iterable.firstMatch(equalTo("cool"))).hasValue("cool");
    assertThat(iterable.firstMatch(equalTo("pants"))).hasValue("pants");
    assertThat(iterable.firstMatch(Predicates.alwaysFalse())).isAbsent();
    assertThat(iterable.firstMatch(Predicates.alwaysTrue())).hasValue("cool");
  }

  private static final class IntegerValueOfFunction implements Function<String, Integer> {
    @Override