response: Response,
    limit: Int = Int.MAX_VALUE,
  ) {
    assertThat(readAscii(response.body.byteStream(), limit)).isEqualTo(expected)
  }

  private fun newSet(vararg elements: String): Set<String> {
    return setOf(*elements)
  }

  internal enum class TransferKind {
    CHUNKED {
      override fun setBody(
        response: MockResponse.Builder,
        content: Buffer?,

    // The URL will remain available if hasNext() returned true...
    val i = cache.urls()
    assertThat(i.hasNext()).isTrue()

    // ...so even when we evict the element, we still get something back.
    cache.evictAll()
    assertThat(i.next()).isEqualTo(url.toString())

    // Remove does nothing. But most importantly, it doesn't throw!
    i.remove()
  }