file!!.channel.force(false)

    // This file is complete.
    synchronized(this@Relay) {
      complete = true
    }

    upstream?.closeQuietly()
    upstream = null
  }

  fun metadata(): ByteString = metadata

  /**
   * Returns a new source that returns the same bytes as upstream. Returns null if this relay has
   * been closed and no further sources are possible. In that case callers should retry after

    assertContent("A", getResponse(newRequest("/a")))

    // Give the server time to disconnect.
    Thread.sleep(500)

    // If the request body is larger than OkHttp's replay buffer, the failure may still occur.
    val requestBodyChars = CharArray(requestSize)
    Arrays.fill(requestBodyChars, 'x')
    val requestBody = String(requestBodyChars)
    for (j in 0..1) {
      try {

    upstream.writeUtf8("abcde")
    val relay = edit(file, upstream, metadata, 1024)
    val source1 = relay.newSource()
    val source2 = relay.newSource()
    source1!!.close()
    source1.close() // Unnecessary. Shouldn't decrement the reference count.
    assertThat(relay.isClosed).isFalse()
    source2!!.close()
    assertThat(relay.isClosed).isTrue()
    assertFile(Relay.PREFIX_DIRTY, -1L, -1, null, null)
  }

      """
      |--simple boundary
      |
      |abcd
      |--simple boundary
      |
      |efgh
      |--simple boundary--
      """.trimMargin()
        .replace("\n", "\r\n")
        .replace(Regex("(?m)abcd\r\n"), "abcd\n")

    val parts =
      MultipartReader(
        boundary = "simple boundary",
        source = Buffer().writeUtf8(multipart),
      )

                props.setProperty(FessEnv.MAIL_SMTP_SERVER_MAIN_HOST_AND_PORT, "smtp-relay.example.com:465");
                props.setProperty(FessEnv.MAIL_SUBJECT_TEST_PREFIX, "[テスト環境]");
                props.setProperty(FessEnv.MAIL_RETURN_PATH, "no-reply******@****.***");
                return props;
            }
        };

        assertEquals("smtp-relay.example.com:465", specialMailEnv.getMailSmtpServerMainHostAndPort());

    server.listener.assertFailure()
  }

  @Test
  fun protocolErrorInCloseResponseClosesConnection() {
    client.webSocket!!.close(1000, "Hello")
    server.processNextFrame()
    // Not closed until close reply is received.
    assertThat(client.closed).isFalse()

    // Manually write an invalid masked close frame.
    server.sink.write("888760b420bb635c68de0cd84f".decodeHex()).emit()

    assertEquals("", matcher.removeFrom(s));
    assertEquals(Strings.repeat("z", s.length()), matcher.replaceFrom(s, 'z'));
    assertEquals(Strings.repeat("ZZ", s.length()), matcher.replaceFrom(s, "ZZ"));
    assertEquals("", matcher.trimFrom(s));
    assertEquals(s.length(), matcher.countIn(s));
  }

  // Kotlin subSequence()/replace() always return new strings, violating expectations of this test
  @J2ktIncompatible

    rateLimiter.acquire(1); // R1.00, to repay previous

    rateLimiter.setRate(2.0); // update the rate!

    rateLimiter.acquire(1); // R1.00, to repay previous (the previous was under the old rate!)
    rateLimiter.acquire(2); // R0.50, to repay previous (now the rate takes effect)
    rateLimiter.acquire(4); // R1.00, to repay previous
    rateLimiter.acquire(1); // R2.00, to repay previous

    rateLimiter.acquire(1); // R1.00, to repay previous

    rateLimiter.setRate(2.0); // update the rate!

    rateLimiter.acquire(1); // R1.00, to repay previous (the previous was under the old rate!)
    rateLimiter.acquire(2); // R0.50, to repay previous (now the rate takes effect)
    rateLimiter.acquire(4); // R1.00, to repay previous
    rateLimiter.acquire(1); // R2.00, to repay previous

    assertEquals("", matcher.removeFrom(s));
    assertEquals(Strings.repeat("z", s.length()), matcher.replaceFrom(s, 'z'));
    assertEquals(Strings.repeat("ZZ", s.length()), matcher.replaceFrom(s, "ZZ"));
    assertEquals("", matcher.trimFrom(s));
    assertEquals(s.length(), matcher.countIn(s));
  }

  // Kotlin subSequence()/replace() always return new strings, violating expectations of this test
  @J2ktIncompatible