assertTrue(all(list, predicate));
    list.add("cool");
    assertTrue(all(list, predicate));
    list.add("pants");
    assertFalse(all(list, predicate));
  }

  public void testFind() {
    Iterable<String> list = newArrayList("cool", "pants");
    assertThat(find(list, equalTo("cool"))).isEqualTo("cool");
    assertThat(find(list, equalTo("pants"))).isEqualTo("pants");