code: ///////////////////////////////////////////////////////////////////////////////////////////////
  // checkstyle: Checks Java source code and other text files for adherence to a set of rules.
  // Copyright (C) 2001-2023 the original author or authors.
  //
  // This library is free software; you can redistribute it and/or
  // modify it under the terms of the GNU Lesser General Public
  // License as published by the Free Software Foundation; either
  // version 2.1 of the License, or (at your option) any later version.
  //
  // This library is distributed in the hope that it will be useful,
  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  // Lesser General Public License for more details.
  //
  // You should have received a copy of the GNU Lesser General Public
  // License along with this library; if not, write to the Free Software
  // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  ///////////////////////////////////////////////////////////////////////////////////////////////
  
  package org.checkstyle.suppressionxpathfilter;
  
  import static com.puppycrawl.tools.checkstyle.checks.TodoCommentCheck.MSG_KEY;
  
  import java.io.File;
  import java.util.Collections;
  import java.util.List;
  
  import org.junit.jupiter.api.Test;
  
  import com.puppycrawl.tools.checkstyle.DefaultConfiguration;
  import com.puppycrawl.tools.checkstyle.checks.TodoCommentCheck;
  
  public class XpathRegressionTodoCommentTest extends AbstractXpathTestSupport {
      private final String checkName = TodoCommentCheck.class.getSimpleName();
  
      @Override
      protected String getCheckName() {
          return checkName;
      }
  
      @Test
      public void testOne() throws Exception {
          final File fileToProcess =
                  new File(getPath("SuppressionXpathRegressionTodoCommentOne.java"));
  
          final DefaultConfiguration moduleConfig =
                  createModuleConfig(TodoCommentCheck.class);
          moduleConfig.addProperty("format", "FIXME:");
  
          final String[] expectedViolation = {
              "4:7: " + getCheckMessage(TodoCommentCheck.class, MSG_KEY, "FIXME:"),
          };
  
          final List<String> expectedXpathQueries = Collections.singletonList(
                  "/COMPILATION_UNIT/CLASS_DEF[./IDENT[@text="
                          + "'SuppressionXpathRegressionTodoCommentOne']]/OBJBLOCK/"
                          + "SINGLE_LINE_COMMENT/COMMENT_CONTENT[@text=' warn FIXME:\\n']");
  
          runVerifications(moduleConfig, fileToProcess, expectedViolation,
                  expectedXpathQueries);
      }
  
      @Test
      public void testTwo() throws Exception {
          final File fileToProcess =
                  new File(getPath("SuppressionXpathRegressionTodoCommentTwo.java"));
  
          final DefaultConfiguration moduleConfig =
                  createModuleConfig(TodoCommentCheck.class);
          moduleConfig.addProperty("format", "FIXME:");
  
          final String[] expectedViolation = {
              "4:7: " + getCheckMessage(TodoCommentCheck.class, MSG_KEY, "FIXME:"),
          };
  
          final List<String> expectedXpathQueries = Collections.singletonList(
                  "/COMPILATION_UNIT/CLASS_DEF[./IDENT[@text="
                          + "'SuppressionXpathRegressionTodoCommentTwo']]/"
                          + "OBJBLOCK/BLOCK_COMMENT_BEGIN/COMMENT_CONTENT"
                          + "[@text=' // warn\\n     * FIXME:\\n     * TODO\\n     ']"
          );
  
          runVerifications(moduleConfig, fileToProcess, expectedViolation,
                  expectedXpathQueries);
      }
  }
  