assertThat(list.set(0, false)).isTrue();
    assertThrows(NullPointerException.class, () -> list.set(0, null));
    assertThrows(IndexOutOfBoundsException.class, () -> list.set(1, true));
  }

  public void testAsListCanonicalValues() {
    List<Boolean> list = Booleans.asList(true, false);
    assertThat(list.get(0)).isSameInstanceAs(true);
    assertThat(list.get(1)).isSameInstanceAs(false);