Escaper escaper = Escapers.nullEscaper();
    EscaperAsserts.assertBasic(escaper);
    String s = "\0\n\t\\az09~\uD800\uDC00\uFFFF";
    assertWithMessage("null escaper should have no effect").that(escaper.escape(s)).isEqualTo(s);
  }

  public void testBuilderInitialStateNoReplacement() {
    // Unsafe characters aren't modified by default (unsafeReplacement == null).

  private fun handleSocketEffect(
    effect: SocketEffect?,
    socket: MockWebServerSocket,
    stream: Http2Stream? = null,
  ): Boolean {
    if (effect == null) return false

    when (effect) {
      is CloseStream -> {
        if (stream != null) {
          stream.close(ErrorCode.fromHttp2(effect.http2ErrorCode)!!, null)
        } else {
          socket.close()
        }

    public void test_addChain_single() {
        TestAuthenticationChain chain = new TestAuthenticationChain();
        authenticationManager.addChain(chain);

        // Verify chain was added by testing its effect
        User user = createTestUser("testuser");
        authenticationManager.insert(user);
        assertEquals(1, chain.updateCallCount);
    }

    // Test addChain multiple

 *   <li>A key is contained in the multimap if and only if it maps to at least one value. Any
 *       operation that causes a key to have zero associated values has the effect of
 *       <i>removing</i> that key from the multimap.
 *   <li>The total entry count is available as {@link #size}.
 *   <li>Many complex operations become easier; for example, {@code

     */
    public static void setLevel(final int level) {
        LogStream.level = level;
    }

    /**
     * This must be called before <code>getInstance</code> is called or
     * it will have no effect.
     *
     * @param stream the PrintStream to use for logging
     */
    public static void setInstance(final PrintStream stream) {
        inst = new LogStream(stream);
    }

    /**

     */
    @Test
    public void testConstructor() {
        // The constructor sets the command and serverTimeZoneOffset.
        // We can't directly access serverTimeZoneOffset, but we can verify its effect.
        assertEquals(ServerMessageBlock.SMB_COM_QUERY_INFORMATION, response.command);
        assertEquals(serverTimeZoneOffset, response.getLastWriteTime());
    }

    /**

import okio.buffer

/**
 * Transparent Compressed response support.
 *
 * The algorithm map will be turned into a heading such as "Accept-Encoding: br, gzip"
 *
 * If [algorithms] is empty this interceptor has no effect. To disable compression set
 * a specific "Accept-Encoding: identity" or similar.
 *
 * See https://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Accept-Encoding
 */
open class CompressionInterceptor(

      return;
    }
    out.write(data);
    assertTrue(Arrays.equals(data, source.read()));

    out.close();
    assertThrows(IOException.class, () -> out.write(42));

    // Verify that write had no effect
    assertTrue(Arrays.equals(data, source.read()));
    out.reset();
  }

  public void testReset() throws Exception {
    byte[] data = newPreFilledByteArray(100);

   */
  @CanIgnoreReturnValue
  public long put(K key, long newValue) {
    return getAndUpdate(key, x -> newValue);
  }

  /**
   * Copies all of the mappings from the specified map to this map. The effect of this call is
   * equivalent to that of calling {@code put(k, v)} on this map once for each mapping from key
   * {@code k} to value {@code v} in the specified map. The behavior of this operation is undefined

        /* Note there's a signedness error here because 0xC0000000 based values are
         * negative so it with NT_STATUS_SUCCESS (0) the binary search will not be
         * performed properly. The effect is that the code at index 1 is never found
         * (NT_STATUS_UNSUCCESSFUL). So here we factor out NT_STATUS_SUCCESS
         * as a special case (which it is).
         */
        if (errcode == 0) {