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.JavadocBlockTagLocationCheck.MSG_BLOCK_TAG_LOCATION;
  
  import org.junit.jupiter.api.Test;
  
  import com.puppycrawl.tools.checkstyle.AbstractModuleTestSupport;
  import com.puppycrawl.tools.checkstyle.api.JavadocTokenTypes;
  import com.puppycrawl.tools.checkstyle.utils.CommonUtil;
  
  public class JavadocBlockTagLocationCheckTest extends AbstractModuleTestSupport {
  
      @Override
      protected String getPackageLocation() {
          return "com/puppycrawl/tools/checkstyle/checks/javadoc/javadocblocktaglocation";
      }
  
      @Test
      public void testGetAcceptableTokens() {
          final JavadocBlockTagLocationCheck checkObj = new JavadocBlockTagLocationCheck();
          final int[] expected = {
              JavadocTokenTypes.TEXT,
          };
          assertWithMessage("Default acceptable tokens are invalid")
              .that(checkObj.getAcceptableJavadocTokens())
              .isEqualTo(expected);
      }
  
      @Test
      public void testCorrect() throws Exception {
          final String[] expected = CommonUtil.EMPTY_STRING_ARRAY;
  
          verifyWithInlineConfigParser(
                  getPath("InputJavadocBlockTagLocationCorrect.java"), expected);
      }
  
      /**
       * This test is needed to indicate the difference between Javadoc and Checkstyle parsers
       * when a block tag is inside an inline tag.
       * Javadoc tool parser sees a block tag here, while Checkstyle parser treat the
       * inner block tag as plain text. If ever the checkstyle parser is changed,
       * this test and the check itself should be reviewed.
       *
       * @throws Exception if exception occurs during verification process.
       */
      @Test
      public void testMultilineCodeBlock() throws Exception {
          final String[] expected = CommonUtil.EMPTY_STRING_ARRAY;
  
          verifyWithInlineConfigParser(
                  getPath("InputJavadocBlockTagLocationMultilineCodeBlock.java"), expected);
      }
  
      @Test
      public void testIncorrect() throws Exception {
          final String[] expected = {
              "15: " + getCheckMessage(MSG_BLOCK_TAG_LOCATION, "author"),
              "16: " + getCheckMessage(MSG_BLOCK_TAG_LOCATION, "since"),
              "17: " + getCheckMessage(MSG_BLOCK_TAG_LOCATION, "param"),
              "19: " + getCheckMessage(MSG_BLOCK_TAG_LOCATION, "throws"),
              "20: " + getCheckMessage(MSG_BLOCK_TAG_LOCATION, "see"),
              "21: " + getCheckMessage(MSG_BLOCK_TAG_LOCATION, "return"),
              "21: " + getCheckMessage(MSG_BLOCK_TAG_LOCATION, "throws"),
          };
          verifyWithInlineConfigParser(
                  getPath("InputJavadocBlockTagLocationIncorrect.java"), expected);
      }
  
      @Test
      public void testCustomTags() throws Exception {
          final String[] expected = {
              "14: " + getCheckMessage(MSG_BLOCK_TAG_LOCATION, "apiNote"),
              "14: " + getCheckMessage(MSG_BLOCK_TAG_LOCATION, "implNote"),
              "14: " + getCheckMessage(MSG_BLOCK_TAG_LOCATION, "implSpec"),
              "16: " + getCheckMessage(MSG_BLOCK_TAG_LOCATION, "apiNote"),
              "17: " + getCheckMessage(MSG_BLOCK_TAG_LOCATION, "implNote"),
              "18: " + getCheckMessage(MSG_BLOCK_TAG_LOCATION, "implSpec"),
          };
          verifyWithInlineConfigParser(
                  getPath("InputJavadocBlockTagLocationCustomTags.java"), expected);
      }
  
  }
  