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.puppycrawl.tools.checkstyle.checks.javadoc;
  
  import static com.google.common.truth.Truth.assertWithMessage;
  import static com.puppycrawl.tools.checkstyle.checks.javadoc.NonEmptyAtclauseDescriptionCheck.MSG_KEY;
  
  import org.junit.jupiter.api.Test;
  
  import com.puppycrawl.tools.checkstyle.AbstractModuleTestSupport;
  import com.puppycrawl.tools.checkstyle.api.TokenTypes;
  
  public class NonEmptyAtclauseDescriptionCheckTest
          extends AbstractModuleTestSupport {
  
      @Override
      protected String getPackageLocation() {
          return "com/puppycrawl/tools/checkstyle/checks/javadoc/nonemptyatclausedescription";
      }
  
      @Test
      public void testGetAcceptableTokens() {
          final NonEmptyAtclauseDescriptionCheck checkObj =
              new NonEmptyAtclauseDescriptionCheck();
          final int[] expected = {TokenTypes.BLOCK_COMMENT_BEGIN};
          assertWithMessage("Default acceptable tokens are invalid")
                  .that(checkObj.getAcceptableTokens())
                  .isEqualTo(expected);
      }
  
      @Test
      public void testGetRequiredTokens() {
          final NonEmptyAtclauseDescriptionCheck checkObj =
              new NonEmptyAtclauseDescriptionCheck();
          final int[] expected = {TokenTypes.BLOCK_COMMENT_BEGIN};
          assertWithMessage("Default required tokens are invalid")
                  .that(checkObj.getRequiredTokens())
                  .isEqualTo(expected);
      }
  
      @Test
      public void testCheckOne() throws Exception {
          final String[] expected = {
              // this is a case with description that is sequences of spaces
              "37: " + getCheckMessage(MSG_KEY),
              // this is a case with description that is sequences of spaces
              "38: " + getCheckMessage(MSG_KEY),
              // this is a case with description that is sequences of spaces
              "39: " + getCheckMessage(MSG_KEY),
              // this is a case with description that is sequences of spaces
              "50: " + getCheckMessage(MSG_KEY),
              // this is a case with description that is sequences of spaces
              "51: " + getCheckMessage(MSG_KEY),
              // this is a case with description that is sequences of spaces
              "52: " + getCheckMessage(MSG_KEY),
              "92: " + getCheckMessage(MSG_KEY),
              "93: " + getCheckMessage(MSG_KEY),
              "94: " + getCheckMessage(MSG_KEY),
              "95: " + getCheckMessage(MSG_KEY),
              "96: " + getCheckMessage(MSG_KEY),
              "97: " + getCheckMessage(MSG_KEY),
          };
          verifyWithInlineConfigParser(getPath("InputNonEmptyAtclauseDescriptionOne.java"), expected);
      }
  
      @Test
      public void testCheckTwo() throws Exception {
          final String[] expected = {
              "16: " + getCheckMessage(MSG_KEY),
              "17: " + getCheckMessage(MSG_KEY),
              "18: " + getCheckMessage(MSG_KEY),
              "19: " + getCheckMessage(MSG_KEY),
              "20: " + getCheckMessage(MSG_KEY),
              "51: " + getCheckMessage(MSG_KEY),
              "60: " + getCheckMessage(MSG_KEY),
              "75: " + getCheckMessage(MSG_KEY),
              "77: " + getCheckMessage(MSG_KEY),
          };
          verifyWithInlineConfigParser(getPath("InputNonEmptyAtclauseDescriptionTwo.java"), expected);
      }
  }
  