// information separator 2
    assertThat(parse("http://h/\u001e").encodedPath).isEqualTo("/%1E")
    // information separator 1
    assertThat(parse("http://h/\u001f").encodedPath).isEqualTo("/%1F")
    // next line
    assertThat(parse("http://h/\u0085").encodedPath).isEqualTo("/%C2%85")
    // non-breaking space
    assertThat(parse("http://h/\u00a0").encodedPath).isEqualTo("/%C2%A0")
    // ogham space mark

    set("c", "c1", "c2")
    val iterator = cache.snapshots()
    assertThat(iterator.hasNext()).isTrue()
    iterator.next().use {
      assertThat(it.key()).isEqualTo("a")
      it.assertValue(0, "a1")
      it.assertValue(1, "a2")
    }
    assertThat(iterator.hasNext()).isTrue()
    iterator.next().use {
      assertThat(it.key()).isEqualTo("b")
      it.assertValue(0, "b1")
      it.assertValue(1, "b2")
    }

    assertThat(rstStream.errorCode).isEqualTo(ErrorCode.CANCEL)
  }

  /**
   * When writing a set of headers fails due to an `IOException`, make sure the writer is left
   * in a consistent state so the next writer also gets an `IOException` also instead of
   * something worse (like an [IllegalStateException].
   *
   *
   * See https://github.com/square/okhttp/issues/1651
   */