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 org.junit.jupiter.api.Test;
  
  import com.puppycrawl.tools.checkstyle.api.JavadocTokenTypes;
  
  public class JavadocNodeImplTest {
  
      @Test
      public void testToString() {
          final JavadocNodeImpl javadocNode = new JavadocNodeImpl();
          javadocNode.setType(JavadocTokenTypes.CODE_LITERAL);
          javadocNode.setLineNumber(1);
          javadocNode.setColumnNumber(2);
  
          final String result = javadocNode.toString();
  
          assertWithMessage("Invalid toString result")
              .that(result)
              .isEqualTo("JavadocNodeImpl[index=0, type=CODE_LITERAL, text='null', lineNumber=1,"
                  + " columnNumber=2, children=0, parent=null]");
      }
  
      @Test
      public void testGetColumnNumber() {
          final JavadocNodeImpl javadocNode = new JavadocNodeImpl();
          javadocNode.setColumnNumber(1);
  
          final int result = javadocNode.getColumnNumber();
  
          assertWithMessage("Invalid column number")
              .that(result)
              .isEqualTo(1);
      }
  
  }
  