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.naming;
  
  import static com.puppycrawl.tools.checkstyle.checks.naming.AbstractClassNameCheck.MSG_ILLEGAL_ABSTRACT_CLASS_NAME;
  import static com.puppycrawl.tools.checkstyle.checks.naming.AbstractClassNameCheck.MSG_NO_ABSTRACT_CLASS_MODIFIER;
  
  import org.junit.jupiter.api.Test;
  
  import com.puppycrawl.tools.checkstyle.AbstractModuleTestSupport;
  
  public class AbstractClassNameCheckExamplesTest extends AbstractModuleTestSupport {
      private static final String DEFAULT_PATTERN = "^Abstract.+$";
  
      @Override
      protected String getResourceLocation() {
          return "xdocs-examples";
      }
  
      @Override
      protected String getPackageLocation() {
          return "com/puppycrawl/tools/checkstyle/checks/naming/abstractclassname";
      }
  
      @Test
      public void testExample1() throws Exception {
          final String[] expected = {
              "16:3: " + getCheckMessage(MSG_ILLEGAL_ABSTRACT_CLASS_NAME, "Second", DEFAULT_PATTERN),
              "17:3: " + getCheckMessage(MSG_NO_ABSTRACT_CLASS_MODIFIER, "AbstractThird",
                  DEFAULT_PATTERN),
              "19:3: " + getCheckMessage(MSG_ILLEGAL_ABSTRACT_CLASS_NAME, "GeneratorFifth",
                      DEFAULT_PATTERN),
          };
  
          verifyWithInlineConfigParser(getPath("Example1.java"), expected);
      }
  
      @Test
      public void testExample2() throws Exception {
          final String[] expected = {
              "18:3: " + getCheckMessage(MSG_ILLEGAL_ABSTRACT_CLASS_NAME, "Second", DEFAULT_PATTERN),
              "21:3: " + getCheckMessage(MSG_ILLEGAL_ABSTRACT_CLASS_NAME, "GeneratorFifth",
                      DEFAULT_PATTERN),
          };
  
          verifyWithInlineConfigParser(getPath("Example2.java"), expected);
      }
  
      @Test
      public void testExample3() throws Exception {
          final String[] expected = {
              "19:3: " + getCheckMessage(MSG_NO_ABSTRACT_CLASS_MODIFIER, "AbstractThird",
                  DEFAULT_PATTERN),
          };
  
          verifyWithInlineConfigParser(getPath("Example3.java"), expected);
      }
  
      @Test
      public void testExample4() throws Exception {
          final String pattern = "^Generator.+$";
  
          final String[] expected = {
              "18:3: " + getCheckMessage(MSG_ILLEGAL_ABSTRACT_CLASS_NAME, "AbstractFirst", pattern),
              "19:3: " + getCheckMessage(MSG_ILLEGAL_ABSTRACT_CLASS_NAME, "Second", pattern),
              "23:3: " + getCheckMessage(MSG_NO_ABSTRACT_CLASS_MODIFIER, "GeneratorSixth",
                  pattern),
          };
  
          verifyWithInlineConfigParser(getPath("Example4.java"), expected);
      }
  }
  