/*
    * Copyright (c) 2002-2025 Gargoyle Software Inc.
    *
    * Licensed under the Apache License, Version 2.0 (the "License");
    * you may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    * https://www.apache.org/licenses/LICENSE-2.0
    *
    * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.htmlunit.encoding;
  
  import static java.nio.charset.StandardCharsets.ISO_8859_1;
  import static java.nio.charset.StandardCharsets.UTF_8;
  import static org.junit.jupiter.api.Assertions.assertArrayEquals;
  
  import java.io.ByteArrayOutputStream;
  import java.net.URL;
  import java.nio.charset.Charset;
  import java.nio.charset.StandardCharsets;
  import java.util.ArrayList;
  import java.util.Collection;
  import java.util.List;
  import java.util.zip.GZIPOutputStream;
  
  import org.apache.commons.io.ByteOrderMark;
  import org.apache.commons.lang3.ArrayUtils;
  import org.htmlunit.MiniServer;
  import org.htmlunit.WebDriverTestCase;
  import org.htmlunit.WebTestCase;
  import org.htmlunit.html.HtmlScript;
  import org.htmlunit.junit.annotation.Alerts;
  import org.htmlunit.junit.annotation.HtmlUnitNYI;
  import org.htmlunit.util.MimeType;
  import org.htmlunit.util.NameValuePair;
  import org.junit.jupiter.params.ParameterizedTest;
  import org.junit.jupiter.params.provider.Arguments;
  import org.junit.jupiter.params.provider.MethodSource;
  import org.openqa.selenium.JavascriptExecutor;
  import org.openqa.selenium.WebDriver;
  import org.openqa.selenium.WebDriverException;
  
  /**
   * Tests encoding handling for {@link HtmlScript}.
   *
   * @author Ronald Brill
   */
  public class ScriptEncodingTest extends WebDriverTestCase {
  
      private static final String BOM_UTF_16LE = "BOMUTF16LE";
      private static final String BOM_UTF_16BE = "BOMUTF16BE";
      private static final String BOM_UTF_8 = "BOMUTF8";
  
      private enum TestCharset {
          UTF8("UTF8", UTF_8),
          ISO88591("ISO88591", ISO_8859_1),
          GB2312("GB2312", Charset.forName("GB2312"));
  
          private final String label_;
          private final Charset charset_;
  
          TestCharset(final String label, final Charset charset) {
              label_ = label;
              charset_ = charset;
          }
  
          @Override
          public String toString() {
              return label_;
          }
  
          public Charset getCharset() {
              return charset_;
          }
      }
  
      /**
       * Returns the parameterized data.
       * @return the parameterized data
       * @throws Exception if an error occurs
       */
      public static Collection<Arguments> data() throws Exception {
          final List<Arguments> list = new ArrayList<>();
  
          final TestCharset[] charsetHtmlResponseHeader =
                  new TestCharset[] {null, TestCharset.UTF8, TestCharset.ISO88591, TestCharset.GB2312};
          final TestCharset[] charsetAttribute = new TestCharset[] {null, TestCharset.UTF8, TestCharset.ISO88591};
          final TestCharset[] charsetResponseHeader = new TestCharset[] {null, TestCharset.UTF8, TestCharset.ISO88591};
          final TestCharset[] charsetResponseEncoding = new TestCharset[] {null, TestCharset.UTF8, TestCharset.ISO88591};
          final String[] bom = {null, BOM_UTF_8, BOM_UTF_16LE, BOM_UTF_16BE};
  
          for (final Object charsetHtml : charsetHtmlResponseHeader) {
              for (final Object attribute : charsetAttribute) {
                  for (final Object responseHeader : charsetResponseHeader) {
                      for (final Object responseEncoding : charsetResponseEncoding) {
                         for (final Object b : bom) {
                             list.add(Arguments.of(charsetHtml, attribute, responseHeader, responseEncoding, b, false));
                             list.add(Arguments.of(charsetHtml, attribute, responseHeader, responseEncoding, b, true));
                         }
                     }
                 }
             }
         }
         return list;
     }
 
     /**
      * The default test.
      * @throws Exception if an error occurs
      */
     @ParameterizedTest(name = "_{0}_{1}_{2}_{3}_{4}_{5}")
     @MethodSource("data")
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void charset(
             final TestCharset charsetHtmlResponse,
             final TestCharset charsetAttribute,
             final TestCharset charsetResponseHeader,
             final TestCharset charsetResponseEncoding,
             final String bom,
             final boolean gzip) throws Exception {
 
         // use always a different url to avoid caching effects
         final URL scriptUrl = new URL(URL_SECOND, "" + System.currentTimeMillis() + ".js");
 
         String html = DOCTYPE_HTML
             + "<html><head>\n"
             + "  <script>var logMsg = ''; function log(msg) { logMsg += msg + '\\xA7\\xA7'; }</script>\n"
             + "  <script type='text/javascript'>window.onerror=function(msg) { log(msg); }</script>"
             + "  <script src='" + scriptUrl + "'";
         if (charsetAttribute != null) {
             html = html + " charset='" + charsetAttribute.getCharset().name().toLowerCase() + "'";
         }
         html = html + "></script>\n"
             + "</head>\n"
             + "<body>\n"
             + "</body>\n"
             + "</html>";
 
         String scriptContentType = MimeType.TEXT_JAVASCRIPT;
         if (charsetResponseHeader != null) {
             scriptContentType = scriptContentType + "; charset="
                                     + charsetResponseHeader.getCharset().name().toLowerCase();
         }
         final String js = "log('a'); log('ä'); log('أهلاً'); log('мир'); log('房间');";
 
         byte[] script = null;
         if (charsetResponseEncoding == null) {
             script = js.getBytes(UTF_8);
         }
         else {
             script = js.getBytes(charsetResponseEncoding.getCharset());
         }
 
         if (BOM_UTF_8.equals(bom)) {
             script = ArrayUtils.addAll(ByteOrderMark.UTF_8.getBytes(), js.getBytes(StandardCharsets.UTF_8));
         }
         else if (BOM_UTF_16BE.equals(bom)) {
             script = ArrayUtils.addAll(ByteOrderMark.UTF_16BE.getBytes(), js.getBytes(StandardCharsets.UTF_16BE));
         }
         else if (BOM_UTF_16LE.equals(bom)) {
             script = ArrayUtils.addAll(ByteOrderMark.UTF_16LE.getBytes(), js.getBytes(StandardCharsets.UTF_16LE));
         }
         if (gzip) {
             final ByteArrayOutputStream bos = new ByteArrayOutputStream();
             final GZIPOutputStream gout = new GZIPOutputStream(bos);
             gout.write(script);
             gout.finish();
 
             final List<NameValuePair> headers = new ArrayList<>();
             headers.add(new NameValuePair("Content-Encoding", "gzip"));
             getMockWebConnection().setResponse(scriptUrl, bos.toByteArray(), 200, "OK", scriptContentType, headers);
         }
         else {
             getMockWebConnection().setResponse(scriptUrl, script, 200, "OK", scriptContentType, null);
         }
 
         String htmlContentType = MimeType.TEXT_HTML;
         Charset htmlResponseCharset = ISO_8859_1;
         if (charsetHtmlResponse != null) {
             htmlContentType = htmlContentType + "; charset=" + charsetHtmlResponse.getCharset().name();
             htmlResponseCharset = charsetHtmlResponse.getCharset();
         }
 
         getMockWebConnection().setResponse(URL_FIRST,
                 html.getBytes(htmlResponseCharset), 200, "OK", htmlContentType, null);
 
         expandExpectedAlertsVariables(URL_FIRST);
         final String[] expectedAlerts = getExpectedAlerts();
 
 
 
         try (MiniServer miniServer1 = new MiniServer(PORT, getMockWebConnection())) {
             miniServer1.start();
 
             try {
                 final WebDriver driver = getWebDriver();
                 driver.get(WebTestCase.URL_FIRST.toExternalForm());
 
                 final String logMsg = (String) ((JavascriptExecutor) driver).executeScript("return logMsg;");
                 final String[] actualAlerts = logMsg.split("§§");
 
                 if (actualAlerts.length == 1) {
                     assertEquals(1, actualAlerts.length);
 
                     final String msg = actualAlerts[0];
                     assertEquals(expectedAlerts[0], "Invalid token");
                     assertTrue(msg, msg.contains("Invalid or unexpected token")
                                     || msg.contains("illegal character")
                                     || msg.contains("Ungültiges Zeichen"));
                 }
                 else {
                     assertArrayEquals(getExpectedAlerts(), actualAlerts);
                 }
             }
             catch (final WebDriverException e) {
                 if (!e.getCause().getMessage().contains("illegal character")
                     && !e.getCause().getMessage().contains("is not defined.")) {
                     throw e;
                 }
 
                 assertTrue(expectedAlerts.length == 1);
                 final String msg = e.getCause().getMessage();
                 assertTrue(msg, msg.contains(expectedAlerts[0]));
             }
         }
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _ISO88591_null_null_null_null_false() throws Exception {
         charset(TestCharset.ISO88591, null, null, null, null, false);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _ISO88591_null_null_null_null_true() throws Exception {
         charset(TestCharset.ISO88591, null, null, null, null, true);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _ISO88591_null_null_UTF8_null_false() throws Exception {
         charset(TestCharset.ISO88591, null, null, TestCharset.UTF8, null, false);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _ISO88591_null_null_UTF8_null_true() throws Exception {
         charset(TestCharset.ISO88591, null, null, TestCharset.UTF8, null, true);
     }
 
     @Alerts({"a", "ä", "?????", "???", "??"})
     void _ISO88591_null_null_ISO88591_null_false() throws Exception {
         charset(TestCharset.ISO88591, null, null, TestCharset.ISO88591, null, false);
     }
 
     @Alerts({"a", "ä", "?????", "???", "??"})
     void _ISO88591_null_null_ISO88591_null_true() throws Exception {
         charset(TestCharset.ISO88591, null, null, TestCharset.ISO88591, null, true);
     }
 
     @Alerts({"a", "�", "?????", "???", "??"})
     void _ISO88591_null_UTF8_ISO88591_null_false() throws Exception {
         charset(TestCharset.ISO88591, null, TestCharset.UTF8, TestCharset.ISO88591, null, false);
     }
 
     @Alerts({"a", "�", "?????", "???", "??"})
     void _ISO88591_null_UTF8_ISO88591_null_true() throws Exception {
         charset(TestCharset.ISO88591, null, TestCharset.UTF8, TestCharset.ISO88591, null, true);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _ISO88591_null_ISO88591_null_null_false() throws Exception {
         charset(TestCharset.ISO88591, null, TestCharset.ISO88591, null, null, false);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _ISO88591_null_ISO88591_null_null_true() throws Exception {
         charset(TestCharset.ISO88591, null, TestCharset.ISO88591, null, null, true);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _ISO88591_null_ISO88591_UTF8_null_false() throws Exception {
         charset(TestCharset.ISO88591, null, TestCharset.ISO88591, TestCharset.UTF8, null, false);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _ISO88591_null_ISO88591_UTF8_null_true() throws Exception {
         charset(TestCharset.ISO88591, null, TestCharset.ISO88591, TestCharset.UTF8, null, true);
     }
 
     @Alerts({"a", "ä", "?????", "???", "??"})
     void _ISO88591_null_ISO88591_ISO88591_null_false() throws Exception {
         charset(TestCharset.ISO88591, null, TestCharset.ISO88591, TestCharset.ISO88591, null, false);
     }
 
     @Alerts({"a", "ä", "?????", "???", "??"})
     void _ISO88591_null_ISO88591_ISO88591_null_true() throws Exception {
         charset(TestCharset.ISO88591, null, TestCharset.ISO88591, TestCharset.ISO88591, null, true);
     }
 
     @Alerts({"a", "�", "?????", "???", "??"})
     void _ISO88591_UTF8_null_ISO88591_null_false() throws Exception {
         charset(TestCharset.ISO88591, TestCharset.UTF8, null, TestCharset.ISO88591, null, false);
     }
 
     @Alerts({"a", "�", "?????", "???", "??"})
     void _ISO88591_UTF8_null_ISO88591_null_true() throws Exception {
         charset(TestCharset.ISO88591, TestCharset.UTF8, null, TestCharset.ISO88591, null, true);
     }
 
     @Alerts({"a", "�", "?????", "???", "??"})
     void _ISO88591_UTF8_UTF8_ISO88591_null_false() throws Exception {
         charset(TestCharset.ISO88591, TestCharset.UTF8, TestCharset.UTF8, TestCharset.ISO88591, null, false);
     }
 
     @Alerts({"a", "�", "?????", "???", "??"})
     void _ISO88591_UTF8_UTF8_ISO88591_null_true() throws Exception {
         charset(TestCharset.ISO88591, TestCharset.UTF8, TestCharset.UTF8, TestCharset.ISO88591, null, true);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _ISO88591_UTF8_ISO88591_null_null_false() throws Exception {
         charset(TestCharset.ISO88591, TestCharset.UTF8, TestCharset.ISO88591, null, null, false);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _ISO88591_UTF8_ISO88591_null_null_true() throws Exception {
         charset(TestCharset.ISO88591, TestCharset.UTF8, TestCharset.ISO88591, null, null, true);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _ISO88591_UTF8_ISO88591_UTF8_null_false() throws Exception {
         charset(TestCharset.ISO88591, TestCharset.UTF8, TestCharset.ISO88591, TestCharset.UTF8, null, false);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _ISO88591_UTF8_ISO88591_UTF8_null_true() throws Exception {
         charset(TestCharset.ISO88591, TestCharset.UTF8, TestCharset.ISO88591, TestCharset.UTF8, null, true);
     }
 
     @Alerts({"a", "ä", "?????", "???", "??"})
     void _ISO88591_UTF8_ISO88591_ISO88591_null_false() throws Exception {
         charset(TestCharset.ISO88591, TestCharset.UTF8, TestCharset.ISO88591, TestCharset.ISO88591, null, false);
     }
 
     @Alerts({"a", "ä", "?????", "???", "??"})
     void _ISO88591_UTF8_ISO88591_ISO88591_null_true() throws Exception {
         charset(TestCharset.ISO88591, TestCharset.UTF8, TestCharset.ISO88591, TestCharset.ISO88591, null, true);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _ISO88591_ISO88591_null_null_null_false() throws Exception {
         charset(TestCharset.ISO88591, TestCharset.ISO88591, null, null, null, false);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _ISO88591_ISO88591_null_null_null_true() throws Exception {
         charset(TestCharset.ISO88591, TestCharset.ISO88591, null, null, null, true);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _ISO88591_ISO88591_null_UTF8_null_false() throws Exception {
         charset(TestCharset.ISO88591, TestCharset.ISO88591, null, TestCharset.UTF8, null, false);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _ISO88591_ISO88591_null_UTF8_null_true() throws Exception {
         charset(TestCharset.ISO88591, TestCharset.ISO88591, null, TestCharset.UTF8, null, true);
     }
 
     @Alerts({"a", "ä", "?????", "???", "??"})
     void _ISO88591_ISO88591_null_ISO88591_null_false() throws Exception {
         charset(TestCharset.ISO88591, TestCharset.ISO88591, null, TestCharset.ISO88591, null, false);
     }
 
     @Alerts({"a", "ä", "?????", "???", "??"})
     void _ISO88591_ISO88591_null_ISO88591_null_true() throws Exception {
         charset(TestCharset.ISO88591, TestCharset.ISO88591, null, TestCharset.ISO88591, null, true);
     }
 
     @Alerts({"a", "�", "?????", "???", "??"})
     void _ISO88591_ISO88591_UTF8_ISO88591_null_false() throws Exception {
         charset(TestCharset.ISO88591, TestCharset.ISO88591, TestCharset.UTF8, TestCharset.ISO88591, null, false);
     }
 
     @Alerts({"a", "�", "?????", "???", "??"})
     void _ISO88591_ISO88591_UTF8_ISO88591_null_true() throws Exception {
         charset(TestCharset.ISO88591, TestCharset.ISO88591, TestCharset.UTF8, TestCharset.ISO88591, null, true);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _ISO88591_ISO88591_ISO88591_null_null_false() throws Exception {
         charset(TestCharset.ISO88591, TestCharset.ISO88591, TestCharset.ISO88591, null, null, false);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _ISO88591_ISO88591_ISO88591_null_null_true() throws Exception {
         charset(TestCharset.ISO88591, TestCharset.ISO88591, TestCharset.ISO88591, null, null, true);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _ISO88591_ISO88591_ISO88591_UTF8_null_false() throws Exception {
         charset(TestCharset.ISO88591, TestCharset.ISO88591, TestCharset.ISO88591, TestCharset.UTF8, null, false);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _ISO88591_ISO88591_ISO88591_UTF8_null_true() throws Exception {
         charset(TestCharset.ISO88591, TestCharset.ISO88591, TestCharset.ISO88591, TestCharset.UTF8, null, true);
     }
 
     @Alerts({"a", "ä", "?????", "???", "??"})
     void _ISO88591_ISO88591_ISO88591_ISO88591_null_false() throws Exception {
         charset(TestCharset.ISO88591, TestCharset.ISO88591, TestCharset.ISO88591, TestCharset.ISO88591, null, false);
     }
 
     @Alerts({"a", "ä", "?????", "???", "??"})
     void _ISO88591_ISO88591_ISO88591_ISO88591_null_true() throws Exception {
         charset(TestCharset.ISO88591, TestCharset.ISO88591, TestCharset.ISO88591, TestCharset.ISO88591, null, true);
     }
 
     @Alerts({"a", "ä", "?????", "???", "??"})
     void _UTF8_ISO88591_ISO88591_ISO88591_null_false() throws Exception {
         charset(TestCharset.UTF8, TestCharset.ISO88591, TestCharset.ISO88591, TestCharset.ISO88591, null, false);
     }
 
     @Alerts({"a", "ä", "?????", "???", "??"})
     void _UTF8_ISO88591_ISO88591_ISO88591_null_true() throws Exception {
         charset(TestCharset.UTF8, TestCharset.ISO88591, TestCharset.ISO88591, TestCharset.ISO88591, null, true);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _UTF8_ISO88591_ISO88591_UTF8_null_false() throws Exception {
         charset(TestCharset.UTF8, TestCharset.ISO88591, TestCharset.ISO88591, TestCharset.UTF8, null, false);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _UTF8_ISO88591_ISO88591_UTF8_null_true() throws Exception {
         charset(TestCharset.UTF8, TestCharset.ISO88591, TestCharset.ISO88591, TestCharset.UTF8, null, true);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _UTF8_ISO88591_ISO88591_null_null_false() throws Exception {
         charset(TestCharset.UTF8, TestCharset.ISO88591, TestCharset.ISO88591, null, null, false);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _UTF8_ISO88591_ISO88591_null_null_true() throws Exception {
         charset(TestCharset.UTF8, TestCharset.ISO88591, TestCharset.ISO88591, null, null, true);
     }
 
     @Alerts({"a", "�", "?????", "???", "??"})
     void _UTF8_ISO88591_UTF8_ISO88591_null_false() throws Exception {
         charset(TestCharset.UTF8, TestCharset.ISO88591, TestCharset.UTF8, TestCharset.ISO88591, null, false);
     }
 
     @Alerts({"a", "�", "?????", "???", "??"})
     void _UTF8_ISO88591_UTF8_ISO88591_null_true() throws Exception {
         charset(TestCharset.UTF8, TestCharset.ISO88591, TestCharset.UTF8, TestCharset.ISO88591, null, true);
     }
 
     @Alerts({"a", "ä", "?????", "???", "??"})
     void _UTF8_ISO88591_null_ISO88591_null_false() throws Exception {
         charset(TestCharset.UTF8, TestCharset.ISO88591, null, TestCharset.ISO88591, null, false);
     }
 
     @Alerts({"a", "ä", "?????", "???", "??"})
     void _UTF8_ISO88591_null_ISO88591_null_true() throws Exception {
         charset(TestCharset.UTF8, TestCharset.ISO88591, null, TestCharset.ISO88591, null, true);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _UTF8_ISO88591_null_UTF8_null_false() throws Exception {
         charset(TestCharset.UTF8, TestCharset.ISO88591, null, TestCharset.UTF8, null, false);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _UTF8_ISO88591_null_UTF8_null_true() throws Exception {
         charset(TestCharset.UTF8, TestCharset.ISO88591, null, TestCharset.UTF8, null, true);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _UTF8_ISO88591_null_null_null_false() throws Exception {
         charset(TestCharset.UTF8, TestCharset.ISO88591, null, null, null, false);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _UTF8_ISO88591_null_null_null_true() throws Exception {
         charset(TestCharset.UTF8, TestCharset.ISO88591, null, null, null, true);
     }
 
     @Alerts({"a", "ä", "?????", "???", "??"})
     void _UTF8_UTF8_ISO88591_ISO88591_null_false() throws Exception {
         charset(TestCharset.UTF8, TestCharset.UTF8, TestCharset.ISO88591, TestCharset.ISO88591, null, false);
     }
 
     @Alerts({"a", "ä", "?????", "???", "??"})
     void _UTF8_UTF8_ISO88591_ISO88591_null_true() throws Exception {
         charset(TestCharset.UTF8, TestCharset.UTF8, TestCharset.ISO88591, TestCharset.ISO88591, null, true);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _UTF8_UTF8_ISO88591_UTF8_null_false() throws Exception {
         charset(TestCharset.UTF8, TestCharset.UTF8, TestCharset.ISO88591, TestCharset.UTF8, null, false);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _UTF8_UTF8_ISO88591_UTF8_null_true() throws Exception {
         charset(TestCharset.UTF8, TestCharset.UTF8, TestCharset.ISO88591, TestCharset.UTF8, null, true);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _UTF8_UTF8_ISO88591_null_null_false() throws Exception {
         charset(TestCharset.UTF8, TestCharset.UTF8, TestCharset.ISO88591, null, null, false);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _UTF8_UTF8_ISO88591_null_null_true() throws Exception {
         charset(TestCharset.UTF8, TestCharset.UTF8, TestCharset.ISO88591, null, null, true);
     }
 
     @Alerts({"a", "�", "?????", "???", "??"})
     void _UTF8_UTF8_UTF8_ISO88591_null_false() throws Exception {
         charset(TestCharset.UTF8, TestCharset.UTF8, TestCharset.UTF8, TestCharset.ISO88591, null, false);
     }
 
     @Alerts({"a", "�", "?????", "???", "??"})
     void _UTF8_UTF8_UTF8_ISO88591_null_true() throws Exception {
         charset(TestCharset.UTF8, TestCharset.UTF8, TestCharset.UTF8, TestCharset.ISO88591, null, true);
     }
 
     @Alerts({"a", "�", "?????", "???", "??"})
     void _UTF8_UTF8_null_ISO88591_null_false() throws Exception {
         charset(TestCharset.UTF8, TestCharset.UTF8, null, TestCharset.ISO88591, null, false);
     }
 
     @Alerts({"a", "�", "?????", "???", "??"})
     void _UTF8_UTF8_null_ISO88591_null_true() throws Exception {
         charset(TestCharset.UTF8, TestCharset.UTF8, null, TestCharset.ISO88591, null, true);
     }
 
     @Alerts({"a", "ä", "?????", "???", "??"})
     void _UTF8_null_ISO88591_ISO88591_null_false() throws Exception {
         charset(TestCharset.UTF8, null, TestCharset.ISO88591, TestCharset.ISO88591, null, false);
     }
 
     @Alerts({"a", "ä", "?????", "???", "??"})
     void _UTF8_null_ISO88591_ISO88591_null_true() throws Exception {
         charset(TestCharset.UTF8, null, TestCharset.ISO88591, TestCharset.ISO88591, null, true);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _UTF8_null_ISO88591_UTF8_null_false() throws Exception {
         charset(TestCharset.UTF8, null, TestCharset.ISO88591, TestCharset.UTF8, null, false);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _UTF8_null_ISO88591_UTF8_null_true() throws Exception {
         charset(TestCharset.UTF8, null, TestCharset.ISO88591, TestCharset.UTF8, null, true);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _UTF8_null_ISO88591_null_null_false() throws Exception {
         charset(TestCharset.UTF8, null, TestCharset.ISO88591, null, null, false);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _UTF8_null_ISO88591_null_null_true() throws Exception {
         charset(TestCharset.UTF8, null, TestCharset.ISO88591, null, null, true);
     }
 
     @Alerts({"a", "�", "?????", "???", "??"})
     void _UTF8_null_UTF8_ISO88591_null_false() throws Exception {
         charset(TestCharset.UTF8, null, TestCharset.UTF8, TestCharset.ISO88591, null, false);
     }
 
     @Alerts({"a", "�", "?????", "???", "??"})
     void _UTF8_null_UTF8_ISO88591_null_true() throws Exception {
         charset(TestCharset.UTF8, null, TestCharset.UTF8, TestCharset.ISO88591, null, true);
     }
 
     @Alerts({"a", "�", "?????", "???", "??"})
     void _UTF8_null_null_ISO88591_null_false() throws Exception {
         charset(TestCharset.UTF8, null, null, TestCharset.ISO88591, null, false);
     }
 
     @Alerts({"a", "�", "?????", "???", "??"})
     void _UTF8_null_null_ISO88591_null_true() throws Exception {
         charset(TestCharset.UTF8, null, null, TestCharset.ISO88591, null, true);
     }
 
     @Alerts({"a", "ä", "?????", "???", "??"})
     void _null_ISO88591_ISO88591_ISO88591_null_false() throws Exception {
         charset(null, TestCharset.ISO88591, TestCharset.ISO88591, TestCharset.ISO88591, null, false);
     }
 
     @Alerts({"a", "ä", "?????", "???", "??"})
     void _null_ISO88591_ISO88591_ISO88591_null_true() throws Exception {
         charset(null, TestCharset.ISO88591, TestCharset.ISO88591, TestCharset.ISO88591, null, true);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _null_ISO88591_ISO88591_UTF8_null_false() throws Exception {
         charset(null, TestCharset.ISO88591, TestCharset.ISO88591, TestCharset.UTF8, null, false);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _null_ISO88591_ISO88591_UTF8_null_true() throws Exception {
         charset(null, TestCharset.ISO88591, TestCharset.ISO88591, TestCharset.UTF8, null, true);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _null_ISO88591_ISO88591_null_null_false() throws Exception {
         charset(null, TestCharset.ISO88591, TestCharset.ISO88591, null, null, false);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _null_ISO88591_ISO88591_null_null_true() throws Exception {
         charset(null, TestCharset.ISO88591, TestCharset.ISO88591, null, null, true);
     }
 
     @Alerts({"a", "�", "?????", "???", "??"})
     void _null_ISO88591_UTF8_ISO88591_null_false() throws Exception {
         charset(null, TestCharset.ISO88591, TestCharset.UTF8, TestCharset.ISO88591, null, false);
     }
 
     @Alerts({"a", "�", "?????", "???", "??"})
     void _null_ISO88591_UTF8_ISO88591_null_true() throws Exception {
         charset(null, TestCharset.ISO88591, TestCharset.UTF8, TestCharset.ISO88591, null, true);
     }
 
     @Alerts({"a", "ä", "?????", "???", "??"})
     void _null_ISO88591_null_ISO88591_null_false() throws Exception {
         charset(null, TestCharset.ISO88591, null, TestCharset.ISO88591, null, false);
     }
 
     @Alerts({"a", "ä", "?????", "???", "??"})
     void _null_ISO88591_null_ISO88591_null_true() throws Exception {
         charset(null, TestCharset.ISO88591, null, TestCharset.ISO88591, null, true);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _null_ISO88591_null_UTF8_null_false() throws Exception {
         charset(null, TestCharset.ISO88591, null, TestCharset.UTF8, null, false);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _null_ISO88591_null_UTF8_null_true() throws Exception {
         charset(null, TestCharset.ISO88591, null, TestCharset.UTF8, null, true);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _null_ISO88591_null_null_null_false() throws Exception {
         charset(null, TestCharset.ISO88591, null, null, null, false);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _null_ISO88591_null_null_null_true() throws Exception {
         charset(null, TestCharset.ISO88591, null, null, null, true);
     }
 
     @Alerts({"a", "ä", "?????", "???", "??"})
     void _null_UTF8_ISO88591_ISO88591_null_false() throws Exception {
         charset(null, TestCharset.UTF8, TestCharset.ISO88591, TestCharset.ISO88591, null, false);
     }
 
     @Alerts({"a", "ä", "?????", "???", "??"})
     void _null_UTF8_ISO88591_ISO88591_null_true() throws Exception {
         charset(null, TestCharset.UTF8, TestCharset.ISO88591, TestCharset.ISO88591, null, true);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _null_UTF8_ISO88591_UTF8_null_false() throws Exception {
         charset(null, TestCharset.UTF8, TestCharset.ISO88591, TestCharset.UTF8, null, false);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _null_UTF8_ISO88591_UTF8_null_true() throws Exception {
         charset(null, TestCharset.UTF8, TestCharset.ISO88591, TestCharset.UTF8, null, true);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _null_UTF8_ISO88591_null_null_false() throws Exception {
         charset(null, TestCharset.UTF8, TestCharset.ISO88591, null, null, false);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _null_UTF8_ISO88591_null_null_true() throws Exception {
         charset(null, TestCharset.UTF8, TestCharset.ISO88591, null, null, true);
     }
 
     @Alerts({"a", "�", "?????", "???", "??"})
     void _null_UTF8_UTF8_ISO88591_null_false() throws Exception {
         charset(null, TestCharset.UTF8, TestCharset.UTF8, TestCharset.ISO88591, null, false);
     }
 
     @Alerts({"a", "�", "?????", "???", "??"})
     void _null_UTF8_UTF8_ISO88591_null_true() throws Exception {
         charset(null, TestCharset.UTF8, TestCharset.UTF8, TestCharset.ISO88591, null, true);
     }
 
     @Alerts({"a", "�", "?????", "???", "??"})
     void _null_UTF8_null_ISO88591_null_false() throws Exception {
         charset(null, TestCharset.UTF8, null, TestCharset.ISO88591, null, false);
     }
 
     @Alerts({"a", "�", "?????", "???", "??"})
     void _null_UTF8_null_ISO88591_null_true() throws Exception {
         charset(null, TestCharset.UTF8, null, TestCharset.ISO88591, null, true);
     }
 
     @Alerts({"a", "ä", "?????", "???", "??"})
     void _null_null_ISO88591_ISO88591_null_false() throws Exception {
         charset(null, null, TestCharset.ISO88591, TestCharset.ISO88591, null, false);
     }
 
     @Alerts({"a", "ä", "?????", "???", "??"})
     void _null_null_ISO88591_ISO88591_null_true() throws Exception {
         charset(null, null, TestCharset.ISO88591, TestCharset.ISO88591, null, true);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _null_null_ISO88591_UTF8_null_false() throws Exception {
         charset(null, null, TestCharset.ISO88591, TestCharset.UTF8, null, false);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _null_null_ISO88591_UTF8_null_true() throws Exception {
         charset(null, null, TestCharset.ISO88591, TestCharset.UTF8, null, true);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _null_null_ISO88591_null_null_false() throws Exception {
         charset(null, null, TestCharset.ISO88591, null, null, false);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _null_null_ISO88591_null_null_true() throws Exception {
         charset(null, null, TestCharset.ISO88591, null, null, true);
     }
 
     @Alerts({"a", "�", "?????", "???", "??"})
     void _null_null_UTF8_ISO88591_null_false() throws Exception {
         charset(null, null, TestCharset.UTF8, TestCharset.ISO88591, null, false);
     }
 
     @Alerts({"a", "�", "?????", "???", "??"})
     void _null_null_UTF8_ISO88591_null_true() throws Exception {
         charset(null, null, TestCharset.UTF8, TestCharset.ISO88591, null, true);
     }
 
     @Alerts({"a", "ä", "?????", "???", "??"})
     void _null_null_null_ISO88591_null_false() throws Exception {
         charset(null, null, null, TestCharset.ISO88591, null, false);
     }
 
     @Alerts({"a", "ä", "?????", "???", "??"})
     void _null_null_null_ISO88591_null_true() throws Exception {
         charset(null, null, null, TestCharset.ISO88591, null, true);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     @HtmlUnitNYI(CHROME = {"a", "ä", "أهلاً", "мир", "房间"},
             EDGE = {"a", "ä", "أهلاً", "мир", "房间"},
             FF = {"a", "ä", "أهلاً", "мир", "房间"},
             FF_ESR = {"a", "ä", "أهلاً", "мир", "房间"})
     void _null_null_null_UTF8_null_false() throws Exception {
         charset(null, null, null, TestCharset.UTF8, null, false);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     @HtmlUnitNYI(CHROME = {"a", "ä", "أهلاً", "мир", "房间"},
             EDGE = {"a", "ä", "أهلاً", "мир", "房间"},
             FF = {"a", "ä", "أهلاً", "мир", "房间"},
             FF_ESR = {"a", "ä", "أهلاً", "мир", "房间"})
     void _null_null_null_UTF8_null_true() throws Exception {
         charset(null, null, null, TestCharset.UTF8, null, true);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     @HtmlUnitNYI(CHROME = {"a", "ä", "أهلاً", "мир", "房间"},
             EDGE = {"a", "ä", "أهلاً", "мир", "房间"},
             FF = {"a", "ä", "أهلاً", "мир", "房间"},
             FF_ESR = {"a", "ä", "أهلاً", "мир", "房间"})
     void _null_null_null_null_null_false() throws Exception {
         charset(null, null, null, null, null, false);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     @HtmlUnitNYI(CHROME = {"a", "ä", "أهلاً", "мир", "房间"},
             EDGE = {"a", "ä", "أهلاً", "мир", "房间"},
             FF = {"a", "ä", "أهلاً", "мир", "房间"},
             FF_ESR = {"a", "ä", "أهلاً", "мир", "房间"})
     void _null_null_null_null_null_true() throws Exception {
         charset(null, null, null, null, null, true);
     }
 
     @Alerts({"a", "ä", "?????", "???", "??"})
     void _GB2312_ISO88591_ISO88591_ISO88591_null_false() throws Exception {
         charset(TestCharset.GB2312, TestCharset.ISO88591, TestCharset.ISO88591, TestCharset.ISO88591, null, false);
     }
 
     @Alerts({"a", "ä", "?????", "???", "??"})
     void _GB2312_ISO88591_ISO88591_ISO88591_null_true() throws Exception {
         charset(TestCharset.GB2312, TestCharset.ISO88591, TestCharset.ISO88591, TestCharset.ISO88591, null, true);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _GB2312_ISO88591_ISO88591_UTF8_null_false() throws Exception {
         charset(TestCharset.GB2312, TestCharset.ISO88591, TestCharset.ISO88591, TestCharset.UTF8, null, false);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _GB2312_ISO88591_ISO88591_UTF8_null_true() throws Exception {
         charset(TestCharset.GB2312, TestCharset.ISO88591, TestCharset.ISO88591, TestCharset.UTF8, null, true);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _GB2312_ISO88591_ISO88591_null_null_false() throws Exception {
         charset(TestCharset.GB2312, TestCharset.ISO88591, TestCharset.ISO88591, null, null, false);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _GB2312_ISO88591_ISO88591_null_null_true() throws Exception {
         charset(TestCharset.GB2312, TestCharset.ISO88591, TestCharset.ISO88591, null, null, true);
     }
 
     @Alerts({"a", "�", "?????", "???", "??"})
     void _GB2312_ISO88591_UTF8_ISO88591_null_false() throws Exception {
         charset(TestCharset.GB2312, TestCharset.ISO88591, TestCharset.UTF8, TestCharset.ISO88591, null, false);
     }
 
     @Alerts({"a", "�", "?????", "???", "??"})
     void _GB2312_ISO88591_UTF8_ISO88591_null_true() throws Exception {
         charset(TestCharset.GB2312, TestCharset.ISO88591, TestCharset.UTF8, TestCharset.ISO88591, null, true);
     }
 
     @Alerts({"a", "ä", "?????", "???", "??"})
     void _GB2312_ISO88591_null_ISO88591_null_false() throws Exception {
         charset(TestCharset.GB2312, TestCharset.ISO88591, null, TestCharset.ISO88591, null, false);
     }
 
     @Alerts({"a", "ä", "?????", "???", "??"})
     void _GB2312_ISO88591_null_ISO88591_null_true() throws Exception {
         charset(TestCharset.GB2312, TestCharset.ISO88591, null, TestCharset.ISO88591, null, true);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _GB2312_ISO88591_null_UTF8_null_false() throws Exception {
         charset(TestCharset.GB2312, TestCharset.ISO88591, null, TestCharset.UTF8, null, false);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _GB2312_ISO88591_null_UTF8_null_true() throws Exception {
         charset(TestCharset.GB2312, TestCharset.ISO88591, null, TestCharset.UTF8, null, true);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _GB2312_ISO88591_null_null_null_false() throws Exception {
         charset(TestCharset.GB2312, TestCharset.ISO88591, null, null, null, false);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _GB2312_ISO88591_null_null_null_true() throws Exception {
         charset(TestCharset.GB2312, TestCharset.ISO88591, null, null, null, true);
     }
 
     @Alerts({"a", "ä", "?????", "???", "??"})
     void _GB2312_UTF8_ISO88591_ISO88591_null_false() throws Exception {
         charset(TestCharset.GB2312, TestCharset.UTF8, TestCharset.ISO88591, TestCharset.ISO88591, null, false);
     }
 
     @Alerts({"a", "ä", "?????", "???", "??"})
     void _GB2312_UTF8_ISO88591_ISO88591_null_true() throws Exception {
         charset(TestCharset.GB2312, TestCharset.UTF8, TestCharset.ISO88591, TestCharset.ISO88591, null, true);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _GB2312_UTF8_ISO88591_UTF8_null_false() throws Exception {
         charset(TestCharset.GB2312, TestCharset.UTF8, TestCharset.ISO88591, TestCharset.UTF8, null, false);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _GB2312_UTF8_ISO88591_UTF8_null_true() throws Exception {
         charset(TestCharset.GB2312, TestCharset.UTF8, TestCharset.ISO88591, TestCharset.UTF8, null, true);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _GB2312_UTF8_ISO88591_null_null_false() throws Exception {
         charset(TestCharset.GB2312, TestCharset.UTF8, TestCharset.ISO88591, null, null, false);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _GB2312_UTF8_ISO88591_null_null_true() throws Exception {
         charset(TestCharset.GB2312, TestCharset.UTF8, TestCharset.ISO88591, null, null, true);
     }
 
     @Alerts({"a", "�", "?????", "???", "??"})
     void _GB2312_UTF8_UTF8_ISO88591_null_false() throws Exception {
         charset(TestCharset.GB2312, TestCharset.UTF8, TestCharset.UTF8, TestCharset.ISO88591, null, false);
     }
 
     @Alerts({"a", "�", "?????", "???", "??"})
     void _GB2312_UTF8_UTF8_ISO88591_null_true() throws Exception {
         charset(TestCharset.GB2312, TestCharset.UTF8, TestCharset.UTF8, TestCharset.ISO88591, null, true);
     }
 
     @Alerts({"a", "�", "?????", "???", "??"})
     void _GB2312_UTF8_null_ISO88591_null_false() throws Exception {
         charset(TestCharset.GB2312, TestCharset.UTF8, null, TestCharset.ISO88591, null, false);
     }
 
     @Alerts({"a", "�", "?????", "???", "??"})
     void _GB2312_UTF8_null_ISO88591_null_true() throws Exception {
         charset(TestCharset.GB2312, TestCharset.UTF8, null, TestCharset.ISO88591, null, true);
     }
 
     @Alerts({"a", "ä", "?????", "???", "??"})
     void _GB2312_null_ISO88591_ISO88591_null_false() throws Exception {
         charset(TestCharset.GB2312, null, TestCharset.ISO88591, TestCharset.ISO88591, null, false);
     }
 
     @Alerts({"a", "ä", "?????", "???", "??"})
     void _GB2312_null_ISO88591_ISO88591_null_true() throws Exception {
         charset(TestCharset.GB2312, null, TestCharset.ISO88591, TestCharset.ISO88591, null, true);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _GB2312_null_ISO88591_UTF8_null_false() throws Exception {
         charset(TestCharset.GB2312, null, TestCharset.ISO88591, TestCharset.UTF8, null, false);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _GB2312_null_ISO88591_UTF8_null_true() throws Exception {
         charset(TestCharset.GB2312, null, TestCharset.ISO88591, TestCharset.UTF8, null, true);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _GB2312_null_ISO88591_null_null_false() throws Exception {
         charset(TestCharset.GB2312, null, TestCharset.ISO88591, null, null, false);
     }
 
     @Alerts({"a", "ä", "أهلاً", "мир", "房间"})
     void _GB2312_null_ISO88591_null_null_true() throws Exception {
         charset(TestCharset.GB2312, null, TestCharset.ISO88591, null, null, true);
     }
 
     @Alerts({"a", "�", "?????", "???", "??"})
     void _GB2312_null_UTF8_ISO88591_null_false() throws Exception {
         charset(TestCharset.GB2312, null, TestCharset.UTF8, TestCharset.ISO88591, null, false);
     }
 
     @Alerts({"a", "�", "?????", "???", "??"})
     void _GB2312_null_UTF8_ISO88591_null_true() throws Exception {
         charset(TestCharset.GB2312, null, TestCharset.UTF8, TestCharset.ISO88591, null, true);
     }
 
     @Alerts({"a", "�", "?????", "???", "??"})
     void _GB2312_null_null_ISO88591_null_false() throws Exception {
         charset(TestCharset.GB2312, null, null, TestCharset.ISO88591, null, false);
     }
 
     @Alerts({"a", "�", "?????", "???", "??"})
     void _GB2312_null_null_ISO88591_null_true() throws Exception {
         charset(TestCharset.GB2312, null, null, TestCharset.ISO88591, null, true);
     }
 
     @Alerts({"a", "盲", "兀賴賱丕賸", "屑懈褉", "鎴块棿"})
     void _GB2312_null_null_UTF8_null_false() throws Exception {
         charset(TestCharset.GB2312, null, null, TestCharset.UTF8, null, false);
     }
 
     @Alerts({"a", "盲", "兀賴賱丕賸", "屑懈褉", "鎴块棿"})
     void _GB2312_null_null_UTF8_null_true() throws Exception {
         charset(TestCharset.GB2312, null, null, TestCharset.UTF8, null, true);
     }
 
     @Alerts({"a", "盲", "兀賴賱丕賸", "屑懈褉", "鎴块棿"})
     void _GB2312_null_null_null_null_false() throws Exception {
         charset(TestCharset.GB2312, null, null, null, null, false);
     }
 
     @Alerts({"a", "盲", "兀賴賱丕賸", "屑懈褉", "鎴块棿"})
     void _GB2312_null_null_null_null_true() throws Exception {
         charset(TestCharset.GB2312, null, null, null, null, true);
     }
 }