// Permit the contents of IPv6 addresses to be percent-encoded...
    assertThat(parse("http://[%3A%3A%31]/").host).isEqualTo("::1")

    // Including the Square braces themselves! (This is what Chrome does.)
    assertThat(parse("http://%5B%3A%3A1%5D/").host).isEqualTo("::1")
  }

  @Test
  fun hostIpv6AddressDifferentFormats() {

    builder then use it to sign another certificate or perform a TLS handshake. The
    `certificatePem()` method encodes the certificate in the familiar PEM format
    (`--- BEGIN CERTIFICATE ---`); the `privateKeyPkcs8Pem()` does likewise for the private key.

    `HandshakeCertificates` holds the TLS certificates required for a TLS handshake. On the server
    it keeps your `HeldCertificate` and its chain. On the client it keeps the root certificates

      }

    /**
     * Sets the socket factory used to secure HTTPS connections. If unset, the system default will
     * be used.
     *
     * @deprecated [SSLSocketFactory] does not expose its [X509TrustManager], which is a field that
     *     OkHttp needs to build a clean certificate chain. This method instead must use reflection
     *     to extract the trust manager. Applications should prefer to call

 * start of the URL's query. But within the query and fragment components, the `?` character
 * doesn't delimit anything and doesn't need to be escaped.
 *
 * ```java
 * HttpUrl url = HttpUrl.parse("http://who-let-the-dogs.out").newBuilder()
 *     .addPathSegment("_Who?_")
 *     .query("_Who?_")
 *     .fragment("_Who?_")
 *     .build();
 * System.out.println(url);

      .contains("HEADERS       END_HEADERS")
    // While MockWebServer waits to read the client's HEADERS frame before sending the response, it
    // doesn't wait to read the client's DATA frame and may send a DATA frame before the client
    // does. So we can't assume the client's empty DATA will be logged first.
    assertThat(countFrames(logs, "FINE: >> 0x00000003     0 DATA          END_STREAM"))
      .isEqualTo(1)

    // Create an editor, then detach it.
    val editor = cache.edit("k1")!!
    editor.newSink(0).buffer().use { sink ->
      cache.evictAll()

      // Complete the original edit. It goes into a black hole.
      sink.writeUtf8("bb")
    }
    assertThat(cache["k1"]).isNull()
  }

  @ParameterizedTest
  @ArgumentsSource(FileSystemParamProvider::class)

      .isCloseTo(500.0, 200.0)
    assertThat(connection.openStreamCount()).isEqualTo(0)

    // When the timeout is sent the connection doesn't immediately go unhealthy.
    assertThat(connection.isHealthy(System.nanoTime())).isTrue()

    // But if the ping doesn't arrive, the connection goes unhealthy.
    Thread.sleep(TimeUnit.NANOSECONDS.toMillis(Http2Connection.DEGRADED_PONG_TIMEOUT_NS.toLong()))