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.Arrays;
  import java.util.List;
  
  import org.junit.jupiter.api.Test;
  
  import com.puppycrawl.tools.checkstyle.DefaultConfiguration;
  import com.puppycrawl.tools.checkstyle.checks.sizes.MethodCountCheck;
  
  public class XpathRegressionMethodCountTest extends AbstractXpathTestSupport {
  
      @Override
      protected String getCheckName() {
          return MethodCountCheck.class.getSimpleName();
      }
  
      @Test
      public void testOne() throws Exception {
          final File fileToProcess = new File(
              getPath("SuppressionXpathRegressionMethodCount1.java")
          );
  
          final DefaultConfiguration moduleConfig =
              createModuleConfig(MethodCountCheck.class);
          moduleConfig.addProperty("maxTotal", "1");
  
          final String[] expectedViolation = {
              "3:1: " + getCheckMessage(MethodCountCheck.class,
                  MethodCountCheck.MSG_MANY_METHODS, 2, 1),
          };
  
          final List<String> expectedXpathQueries = Arrays.asList(
                  "/COMPILATION_UNIT/CLASS_DEF"
                          + "[./IDENT[@text='SuppressionXpathRegressionMethodCount1']]",
  
                  "/COMPILATION_UNIT/CLASS_DEF"
                          + "[./IDENT[@text='SuppressionXpathRegressionMethodCount1']]"
                      + "/MODIFIERS",
  
                  "/COMPILATION_UNIT/CLASS_DEF"
                          + "[./IDENT[@text='SuppressionXpathRegressionMethodCount1']]"
                      + "/LITERAL_CLASS"
          );
  
          runVerifications(moduleConfig, fileToProcess, expectedViolation, expectedXpathQueries);
      }
  
      @Test
      public void testTwo() throws Exception {
          final File fileToProcess = new File(
              getPath("SuppressionXpathRegressionMethodCount2.java")
          );
  
          final DefaultConfiguration moduleConfig =
              createModuleConfig(MethodCountCheck.class);
          moduleConfig.addProperty("maxPrivate", "1");
  
          final String[] expectedViolation = {
              "3:1: " + getCheckMessage(MethodCountCheck.class,
                  MethodCountCheck.MSG_PRIVATE_METHODS, 2, 1),
          };
  
          final List<String> expectedXpathQueries = Arrays.asList(
                  "/COMPILATION_UNIT/CLASS_DEF"
                      + "[./IDENT[@text='SuppressionXpathRegressionMethodCount2']]",
  
                  "/COMPILATION_UNIT/CLASS_DEF"
                      + "[./IDENT[@text='SuppressionXpathRegressionMethodCount2']]"
                      + "/MODIFIERS",
  
                  "/COMPILATION_UNIT/CLASS_DEF"
                      + "[./IDENT[@text='SuppressionXpathRegressionMethodCount2']]"
                      + "/LITERAL_CLASS"
          );
  
          runVerifications(moduleConfig, fileToProcess, expectedViolation, expectedXpathQueries);
      }
  
      @Test
      public void testThree() throws Exception {
          final File fileToProcess = new File(
              getPath("SuppressionXpathRegressionMethodCount1.java")
          );
  
          final DefaultConfiguration moduleConfig =
              createModuleConfig(MethodCountCheck.class);
          moduleConfig.addProperty("maxPackage", "1");
  
          final String[] expectedViolation = {
              "3:1: " + getCheckMessage(MethodCountCheck.class,
                  MethodCountCheck.MSG_PACKAGE_METHODS, 2, 1),
          };
  
          final List<String> expectedXpathQueries = Arrays.asList(
                  "/COMPILATION_UNIT/CLASS_DEF"
                      + "[./IDENT[@text='SuppressionXpathRegressionMethodCount1']]",
  
                  "/COMPILATION_UNIT/CLASS_DEF"
                      + "[./IDENT[@text='SuppressionXpathRegressionMethodCount1']]"
                      + "/MODIFIERS",
  
                  "/COMPILATION_UNIT/CLASS_DEF"
                      + "[./IDENT[@text='SuppressionXpathRegressionMethodCount1']]"
                      + "/LITERAL_CLASS"
          );
  
          runVerifications(moduleConfig, fileToProcess, expectedViolation, expectedXpathQueries);
      }
  
      @Test
      public void testFour() throws Exception {
          final File fileToProcess = new File(
              getPath("SuppressionXpathRegressionMethodCount3.java")
          );
  
          final DefaultConfiguration moduleConfig =
              createModuleConfig(MethodCountCheck.class);
          moduleConfig.addProperty("maxProtected", "1");
  
          final String[] expectedViolation = {
              "3:1: " + getCheckMessage(MethodCountCheck.class,
                  MethodCountCheck.MSG_PROTECTED_METHODS, 2, 1),
          };
  
          final List<String> expectedXpathQueries = Arrays.asList(
                  "/COMPILATION_UNIT/CLASS_DEF"
                      + "[./IDENT[@text='SuppressionXpathRegressionMethodCount3']]",
  
                  "/COMPILATION_UNIT/CLASS_DEF"
                      + "[./IDENT[@text='SuppressionXpathRegressionMethodCount3']]"
                      + "/MODIFIERS",
  
                  "/COMPILATION_UNIT/CLASS_DEF"
                      + "[./IDENT[@text='SuppressionXpathRegressionMethodCount3']]"
                      + "/LITERAL_CLASS"
          );
  
          runVerifications(moduleConfig, fileToProcess, expectedViolation, expectedXpathQueries);
      }
  
      @Test
      public void testFive() throws Exception {
          final File fileToProcess = new File(
              getPath("SuppressionXpathRegressionMethodCount4.java")
          );
  
          final DefaultConfiguration moduleConfig =
              createModuleConfig(MethodCountCheck.class);
          moduleConfig.addProperty("maxPublic", "1");
  
          final String[] expectedViolation = {
              "3:1: " + getCheckMessage(MethodCountCheck.class,
                  MethodCountCheck.MSG_PUBLIC_METHODS, 2, 1),
          };
  
          final List<String> expectedXpathQueries = Arrays.asList(
                  "/COMPILATION_UNIT/CLASS_DEF"
                      + "[./IDENT[@text='SuppressionXpathRegressionMethodCount4']]",
  
                  "/COMPILATION_UNIT/CLASS_DEF"
                      + "[./IDENT[@text='SuppressionXpathRegressionMethodCount4']]"
                      + "/MODIFIERS",
  
                  "/COMPILATION_UNIT/CLASS_DEF"
                      + "[./IDENT[@text='SuppressionXpathRegressionMethodCount4']]"
                      + "/LITERAL_CLASS"
          );
  
          runVerifications(moduleConfig, fileToProcess, expectedViolation, expectedXpathQueries);
      }
  }
  