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 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.naming.AbstractNameCheck;
  import com.puppycrawl.tools.checkstyle.checks.naming.MemberNameCheck;
  
  public class XpathRegressionMemberNameTest extends AbstractXpathTestSupport {
  
      private final String checkName = MemberNameCheck.class.getSimpleName();
  
      @Override
      protected String getCheckName() {
          return checkName;
      }
  
      @Test
      public void test1() throws Exception {
          final File fileToProcess =
                  new File(getPath("SuppressionXpathRegressionMemberName1.java"));
  
          final String pattern = "^[a-z][a-zA-Z0-9]*$";
          final DefaultConfiguration moduleConfig =
                  createModuleConfig(MemberNameCheck.class);
  
          final String[] expectedViolation = {
              "5:17: " + getCheckMessage(MemberNameCheck.class,
                          AbstractNameCheck.MSG_INVALID_PATTERN, "NUM2", pattern),
          };
  
          final List<String> expectedXpathQueries = Collections.singletonList(
                  "/COMPILATION_UNIT"
                          + "/CLASS_DEF[./IDENT[@text"
                          + "='SuppressionXpathRegressionMemberName1']]"
                          + "/OBJBLOCK/VARIABLE_DEF/IDENT[@text='NUM2']"
          );
          runVerifications(moduleConfig, fileToProcess, expectedViolation,
                  expectedXpathQueries);
      }
  
      @Test
      public void test2() throws Exception {
          final File fileToProcess =
                  new File(getPath("SuppressionXpathRegressionMemberName2.java"));
  
          final String pattern = "^m[A-Z][a-zA-Z0-9]*$";
          final DefaultConfiguration moduleConfig =
                  createModuleConfig(MemberNameCheck.class);
          moduleConfig.addProperty("format", "^m[A-Z][a-zA-Z0-9]*$");
          moduleConfig.addProperty("applyToProtected", "false");
          moduleConfig.addProperty("applyToPackage", "false");
  
          final String[] expectedViolation = {
              "6:20: " + getCheckMessage(MemberNameCheck.class,
                          AbstractNameCheck.MSG_INVALID_PATTERN, "NUM1", pattern),
          };
  
          final List<String> expectedXpathQueries = Collections.singletonList(
                  "/COMPILATION_UNIT"
                          + "/CLASS_DEF[./IDENT[@text"
                          + "='SuppressionXpathRegressionMemberName2']]"
                          + "/OBJBLOCK/CLASS_DEF[./IDENT[@text='Inner']]"
                          + "/OBJBLOCK/VARIABLE_DEF/IDENT[@text='NUM1']"
          );
          runVerifications(moduleConfig, fileToProcess, expectedViolation,
                  expectedXpathQueries);
      }
  
  }
  