*/
    assertThat(ImmutableLongArray.copyOf(new long[0])).isSameInstanceAs(ImmutableLongArray.of());
  }

  public void testCopyOf_array_nonempty() {
    long[] array = new long[] {0, 1, 3};
    ImmutableLongArray iia = ImmutableLongArray.copyOf(array);
    array[2] = 2;
    assertThat(iia.asList()).containsExactly(0L, 1L, 3L).inOrder();
  }