val builder = CacheControl.Builder()
    assertFailsWith<IllegalArgumentException> {
      builder.maxAge(-1, TimeUnit.SECONDS)
    }
  }

  @Test
  @Throws(Exception::class)
  fun timePrecisionIsTruncatedToSeconds() {
    val cacheControl =
      CacheControl
        .Builder()
        .maxAge(4999, TimeUnit.MILLISECONDS)
        .build()
    assertThat(cacheControl.maxAgeSeconds).isEqualTo(4)
  }