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.sizes;
  
  import static com.google.common.truth.Truth.assertWithMessage;
  import static com.puppycrawl.tools.checkstyle.checks.sizes.AnonInnerLengthCheck.MSG_KEY;
  
  import org.junit.jupiter.api.Test;
  
  import com.puppycrawl.tools.checkstyle.AbstractModuleTestSupport;
  import com.puppycrawl.tools.checkstyle.api.TokenTypes;
  
  /**
   * Unit test for AnonInnerLengthCheck.
   */
  public class AnonInnerLengthCheckTest extends AbstractModuleTestSupport {
  
      @Override
      protected String getPackageLocation() {
          return "com/puppycrawl/tools/checkstyle/checks/sizes/anoninnerlength";
      }
  
      @Test
      public void testGetRequiredTokens() {
          final AnonInnerLengthCheck checkObj = new AnonInnerLengthCheck();
          final int[] expected = {TokenTypes.LITERAL_NEW};
          assertWithMessage("Default required tokens are invalid")
              .that(checkObj.getRequiredTokens())
              .isEqualTo(expected);
      }
  
      @Test
      public void testGetAcceptableTokens() {
          final AnonInnerLengthCheck anonInnerLengthCheckObj =
                  new AnonInnerLengthCheck();
          final int[] actual = anonInnerLengthCheckObj.getAcceptableTokens();
          final int[] expected = {TokenTypes.LITERAL_NEW};
  
          assertWithMessage("Default acceptable tokens are invalid")
              .that(actual)
              .isEqualTo(expected);
      }
  
      @Test
      public void testDefault() throws Exception {
          final String[] expected = {
              "53:35: " + getCheckMessage(MSG_KEY, 21, 20),
          };
          verifyWithInlineConfigParser(
                  getPath("InputAnonInnerLength.java"), expected);
      }
  
      @Test
      public void testNonDefault() throws Exception {
          final String[] expected = {
              "54:35: " + getCheckMessage(MSG_KEY, 21, 6),
              "79:35: " + getCheckMessage(MSG_KEY, 20, 6),
          };
          verifyWithInlineConfigParser(
                  getPath("InputAnonInnerLength2.java"), expected);
      }
  
  }
  