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 com.google.checkstyle.test.chapter7javadoc.rule713atclauses;
  
  import org.junit.jupiter.api.Test;
  
  import com.google.checkstyle.test.base.AbstractGoogleModuleTestSupport;
  import com.puppycrawl.tools.checkstyle.api.Configuration;
  import com.puppycrawl.tools.checkstyle.checks.javadoc.NonEmptyAtclauseDescriptionCheck;
  
  public class NonEmptyAtclauseDescriptionTest extends AbstractGoogleModuleTestSupport {
  
      @Override
      protected String getPackageLocation() {
          return "com/google/checkstyle/test/chapter7javadoc/rule713atclauses";
      }
  
      @Test
      public void testDefaultConfiguration() throws Exception {
          final String msg = getCheckMessage(NonEmptyAtclauseDescriptionCheck.class,
              "non.empty.atclause");
  
          final String[] expected = {
              "34: " + msg,
              "35: " + msg,
              "36: " + msg,
              "37: " + msg,
              "38: " + msg,
              "39: " + msg,
              "48: " + msg,
              "49: " + msg,
              "50: " + msg,
              "51: " + msg,
              "52: " + msg,
          };
  
          final Configuration checkConfig = getModuleConfig("NonEmptyAtclauseDescription");
          final String filePath = getPath("InputNonEmptyAtclauseDescriptionCheck.java");
  
          final Integer[] warnList = getLineNumbersFromExpected(expected);
          verify(checkConfig, filePath, expected, warnList);
      }
  
      @Test
      public void testSpaceSequence() throws Exception {
          final String msg = getCheckMessage(NonEmptyAtclauseDescriptionCheck.class,
              "non.empty.atclause");
  
          final String[] expected = {
              "27: " + msg,
              "28: " + msg,
              "29: " + msg,
              "38: " + msg,
              "39: " + msg,
              "40: " + msg,
          };
  
          final Configuration checkConfig = getModuleConfig("NonEmptyAtclauseDescription");
          final String filePath = getPath("InputNonEmptyAtclauseDescriptionCheckSpaceSeq.java");
  
          final Integer[] warnList = getLineNumbersFromExpected(expected);
          verify(checkConfig, filePath, expected, warnList);
      }
  
      /**
       * Gets line numbers with violations from an array with expected messages.
       * This is used as using "warn" comments in input files would affect the work
       * of the Check.
       *
       * @param expected an array with expected messages.
       * @return Integer array with numbers of lines with violations.
       */
      private static Integer[] getLineNumbersFromExpected(String... expected) {
          final Integer[] result = new Integer[expected.length];
          for (int i = 0; i < expected.length; i++) {
              result[i] = Integer.valueOf(expected[i].substring(0, expected[i].indexOf(':')));
          }
          return result;
      }
  
  }
  