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.checks.imports;
  
  import org.checkstyle.base.AbstractCheckstyleModuleTestSupport;
  import org.junit.jupiter.api.Test;
  
  import com.puppycrawl.tools.checkstyle.DefaultConfiguration;
  import com.puppycrawl.tools.checkstyle.checks.imports.ImportOrderCheck;
  import com.puppycrawl.tools.checkstyle.utils.CommonUtil;
  
  public class ImportOrderTest extends AbstractCheckstyleModuleTestSupport {
  
      @Override
      protected String getPackageLocation() {
          return "org/checkstyle/checks/imports/importorder";
      }
  
      @Test
      public void testAndroid() throws Exception {
          final DefaultConfiguration checkConfig = createModuleConfig(ImportOrderCheck.class);
          checkConfig.addProperty("groups",
              "android,androidx,com.android,dalvik,com,gov,junit,libcore,net,org,java,javax");
          checkConfig.addProperty("option", "top");
          checkConfig.addProperty("ordered", "true");
          checkConfig.addProperty("separated", "true");
          checkConfig.addProperty("separatedStaticGroups", "true");
          checkConfig.addProperty("staticGroups",
              "android,androidx,com.android,dalvik,com,gov,junit,libcore,net,org,java,javax");
  
          final String filePath = getNonCompilablePath("InputFromAndroid.java");
          final String[] expected = CommonUtil.EMPTY_STRING_ARRAY;
          final Integer[] warnList = getLinesWithWarn(filePath);
          verify(checkConfig, filePath, expected, warnList);
      }
  
      @Test
      public void testSpotify() throws Exception {
          final DefaultConfiguration checkConfig = createModuleConfig(ImportOrderCheck.class);
          checkConfig.addProperty("groups", "android,com,net,junit,org,java,javax");
          checkConfig.addProperty("option", "bottom");
          checkConfig.addProperty("ordered", "true");
          checkConfig.addProperty("separated", "true");
          checkConfig.addProperty("separatedStaticGroups", "true");
          checkConfig.addProperty("staticGroups", "android,com,net,junit,org,java,javax");
  
          final String filePath = getNonCompilablePath("InputFromSpotify.java");
          final String[] expected = CommonUtil.EMPTY_STRING_ARRAY;
          final Integer[] warnList = getLinesWithWarn(filePath);
          verify(checkConfig, filePath, expected, warnList);
      }
  
      @Test
      public void testTwitter() throws Exception {
          final DefaultConfiguration checkConfig = createModuleConfig(ImportOrderCheck.class);
          checkConfig.addProperty("caseSensitive", "true");
          checkConfig.addProperty("groups", "android,com.twitter,com,junit,net,org,java,javax");
          checkConfig.addProperty("option", "bottom");
          checkConfig.addProperty("ordered", "true");
          checkConfig.addProperty("separated", "true");
          checkConfig.addProperty("separatedStaticGroups", "true");
          checkConfig.addProperty("staticGroups",
              "android,com.twitter,com,junit,net,org,java,javax");
  
          final String filePath = getNonCompilablePath("InputFromTwitter.java");
          final String[] expected = CommonUtil.EMPTY_STRING_ARRAY;
          final Integer[] warnList = getLinesWithWarn(filePath);
          verify(checkConfig, filePath, expected, warnList);
      }
  
  }
  