assertThat(max(MIN_VALUE)).isEqualTo(MIN_VALUE);
    assertThat(max(MAX_VALUE)).isEqualTo(MAX_VALUE);
    assertThat(max(8L, 6L, 7L, 5L, 3L, 0L, 9L)).isEqualTo(9L);
  }

  public void testMin_noArgs() {
    assertThrows(IllegalArgumentException.class, () -> min());
  }

  public void testMin() {
    assertThat(min(MIN_VALUE)).isEqualTo(MIN_VALUE);
    assertThat(min(MAX_VALUE)).isEqualTo(MAX_VALUE);