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;
  
  import static com.google.common.truth.Truth.assertWithMessage;
  import static com.puppycrawl.tools.checkstyle.checks.ArrayTypeStyleCheck.MSG_KEY;
  
  import org.junit.jupiter.api.Test;
  
  import com.puppycrawl.tools.checkstyle.AbstractModuleTestSupport;
  import com.puppycrawl.tools.checkstyle.api.TokenTypes;
  
  public class ArrayTypeStyleCheckTest
      extends AbstractModuleTestSupport {
  
      @Override
      protected String getPackageLocation() {
          return "com/puppycrawl/tools/checkstyle/checks/arraytypestyle";
      }
  
      @Test
      public void testGetRequiredTokens() {
          final ArrayTypeStyleCheck checkObj = new ArrayTypeStyleCheck();
          final int[] expected = {TokenTypes.ARRAY_DECLARATOR};
          assertWithMessage("Required tokens differs from expected")
                  .that(checkObj.getRequiredTokens())
                  .isEqualTo(expected);
      }
  
      @Test
      public void testJavaStyleOn()
              throws Exception {
          final String[] expected = {
              "13:23: " + getCheckMessage(MSG_KEY),
              "14:18: " + getCheckMessage(MSG_KEY),
              "20:44: " + getCheckMessage(MSG_KEY),
              "44:33: " + getCheckMessage(MSG_KEY),
              "49:34: " + getCheckMessage(MSG_KEY),
              "49:36: " + getCheckMessage(MSG_KEY),
              "55:27: " + getCheckMessage(MSG_KEY),
              "55:29: " + getCheckMessage(MSG_KEY),
          };
          verifyWithInlineConfigParser(
                  getPath("InputArrayTypeStyle.java"), expected);
      }
  
      @Test
      public void testJavaStyleOff()
              throws Exception {
          final String[] expected = {
              "12:16: " + getCheckMessage(MSG_KEY),
              "16:39: " + getCheckMessage(MSG_KEY),
              "22:18: " + getCheckMessage(MSG_KEY),
              "30:20: " + getCheckMessage(MSG_KEY),
              "44:33: " + getCheckMessage(MSG_KEY),
              "49:34: " + getCheckMessage(MSG_KEY),
              "49:36: " + getCheckMessage(MSG_KEY),
              "55:27: " + getCheckMessage(MSG_KEY),
              "55:29: " + getCheckMessage(MSG_KEY),
          };
          verifyWithInlineConfigParser(
                  getPath("InputArrayTypeStyleOff.java"), expected);
      }
  
      @Test
      public void testNestedGenerics()
              throws Exception {
          final String[] expected = {
              "22:45: " + getCheckMessage(MSG_KEY),
              "23:61: " + getCheckMessage(MSG_KEY),
              "24:76: " + getCheckMessage(MSG_KEY),
              "31:16: " + getCheckMessage(MSG_KEY),
          };
          verifyWithInlineConfigParser(
                  getPath("InputArrayTypeStyleNestedGenerics.java"), expected);
      }
  
      @Test
      public void testGetAcceptableTokens() {
          final int[] expected = {TokenTypes.ARRAY_DECLARATOR };
          final ArrayTypeStyleCheck check = new ArrayTypeStyleCheck();
          final int[] actual = check.getAcceptableTokens();
          assertWithMessage("Amount of acceptable tokens differs from expected")
                  .that(actual)
                  .hasLength(1);
          assertWithMessage("Acceptable tokens differs from expected")
                  .that(actual)
                  .isEqualTo(expected);
      }
  
  }
  