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.imports.CustomImportOrderCheck;
  
  public class XpathRegressionCustomImportOrderTest extends AbstractXpathTestSupport {
  
      private final String checkName = CustomImportOrderCheck.class.getSimpleName();
  
      @Override
      protected String getCheckName() {
          return checkName;
      }
  
      @Test
      public void testOne() throws Exception {
          final File fileToProcess =
                  new File(getPath("SuppressionXpathRegressionCustomImportOrderOne.java"));
  
          final DefaultConfiguration moduleConfig =
                  createModuleConfig(CustomImportOrderCheck.class);
          moduleConfig.addProperty("customImportOrderRules", "STATIC###STANDARD_JAVA_PACKAGE");
          moduleConfig.addProperty("sortImportsInGroupAlphabetically", "true");
  
          final String[] expectedViolation = {
              "4:1: " + getCheckMessage(CustomImportOrderCheck.class,
                          CustomImportOrderCheck.MSG_LEX, "java.lang.Math.PI",
                          "java.util.Arrays.sort"),
          };
  
          final List<String> expectedXpathQueries = Collections.singletonList(
                  "/COMPILATION_UNIT/STATIC_IMPORT[./DOT/IDENT[@text='PI']]"
          );
  
          runVerifications(moduleConfig, fileToProcess, expectedViolation,
                  expectedXpathQueries);
      }
  
      @Test
      public void testTwo() throws Exception {
          final File fileToProcess =
                  new File(getPath("SuppressionXpathRegressionCustomImportOrderTwo.java"));
  
          final DefaultConfiguration moduleConfig =
                  createModuleConfig(CustomImportOrderCheck.class);
          moduleConfig.addProperty("customImportOrderRules", "STATIC###STANDARD_JAVA_PACKAGE");
  
          final String[] expectedViolation = {
              "5:1: " + getCheckMessage(CustomImportOrderCheck.class,
                          CustomImportOrderCheck.MSG_LINE_SEPARATOR, "java.io.File"),
          };
  
          final List<String> expectedXpathQueries = Collections.singletonList(
                  "/COMPILATION_UNIT/IMPORT[./DOT/IDENT[@text='File']]"
          );
  
          runVerifications(moduleConfig, fileToProcess, expectedViolation,
                  expectedXpathQueries);
      }
  
      @Test
      public void testThree() throws Exception {
          final File fileToProcess =
                  new File(getPath("SuppressionXpathRegressionCustomImportOrderThree.java"));
  
          final DefaultConfiguration moduleConfig =
                  createModuleConfig(CustomImportOrderCheck.class);
          moduleConfig.addProperty("customImportOrderRules", "STATIC###STANDARD_JAVA_PACKAGE");
  
          final String[] expectedViolation = {
              "5:1: " + getCheckMessage(CustomImportOrderCheck.class,
                          CustomImportOrderCheck.MSG_SEPARATED_IN_GROUP, "java.lang.Math.PI"),
          };
  
          final List<String> expectedXpathQueries = Collections.singletonList(
                  "/COMPILATION_UNIT/STATIC_IMPORT[./DOT/IDENT[@text='PI']]"
          );
  
          runVerifications(moduleConfig, fileToProcess, expectedViolation,
                  expectedXpathQueries);
      }
  
      @Test
      public void testFour() throws Exception {
          final File fileToProcess =
                  new File(getPath("SuppressionXpathRegressionCustomImportOrderFour.java"));
  
          final DefaultConfiguration moduleConfig =
                  createModuleConfig(CustomImportOrderCheck.class);
          moduleConfig.addProperty("customImportOrderRules", "STATIC###STANDARD_JAVA_PACKAGE");
  
          final String[] expectedViolation = {
              "5:1: " + getCheckMessage(CustomImportOrderCheck.class,
                          CustomImportOrderCheck.MSG_NONGROUP_IMPORT,
                          "com.puppycrawl.tools.checkstyle.api.DetailAST"),
          };
  
          final List<String> expectedXpathQueries = Collections.singletonList(
                  "/COMPILATION_UNIT/IMPORT[./DOT/IDENT[@text='DetailAST']]"
          );
  
          runVerifications(moduleConfig, fileToProcess, expectedViolation,
                  expectedXpathQueries);
      }
  
      @Test
      public void testFive() throws Exception {
          final File fileToProcess =
                  new File(getPath("SuppressionXpathRegressionCustomImportOrderFive.java"));
  
          final DefaultConfiguration moduleConfig =
                  createModuleConfig(CustomImportOrderCheck.class);
          moduleConfig.addProperty("customImportOrderRules", "STATIC###STANDARD_JAVA_PACKAGE");
  
          final String[] expectedViolation = {
              "7:1: " + getCheckMessage(CustomImportOrderCheck.class,
                          CustomImportOrderCheck.MSG_NONGROUP_EXPECTED, "STATIC",
                          "java.lang.Math.PI"),
          };
  
          final List<String> expectedXpathQueries = Collections.singletonList(
                  "/COMPILATION_UNIT/STATIC_IMPORT[./DOT/IDENT[@text='PI']]"
          );
  
          runVerifications(moduleConfig, fileToProcess, expectedViolation,
                  expectedXpathQueries);
      }
  
      @Test
      public void testSix() throws Exception {
          final File fileToProcess =
                  new File(getPath("SuppressionXpathRegressionCustomImportOrderSix.java"));
  
          final DefaultConfiguration moduleConfig =
                  createModuleConfig(CustomImportOrderCheck.class);
          moduleConfig.addProperty("customImportOrderRules",
              "STATIC###STANDARD_JAVA_PACKAGE###THIRD_PARTY_PACKAGE");
  
          final String[] expectedViolation = {
              "6:1: " + getCheckMessage(CustomImportOrderCheck.class,
                          CustomImportOrderCheck.MSG_ORDER, "THIRD_PARTY_PACKAGE",
                          "STANDARD_JAVA_PACKAGE",
                          "com.puppycrawl.tools.checkstyle.api.DetailAST"),
          };
  
          final List<String> expectedXpathQueries = Collections.singletonList(
                  "/COMPILATION_UNIT/IMPORT[./DOT/IDENT[@text='DetailAST']]"
          );
  
          runVerifications(moduleConfig, fileToProcess, expectedViolation,
                  expectedXpathQueries);
      }
  
  }
  