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.annotation;
  
  import static com.google.common.truth.Truth.assertWithMessage;
  import static com.puppycrawl.tools.checkstyle.checks.annotation.MissingDeprecatedCheck.MSG_KEY_ANNOTATION_MISSING_DEPRECATED;
  import static com.puppycrawl.tools.checkstyle.checks.annotation.MissingDeprecatedCheck.MSG_KEY_JAVADOC_DUPLICATE_TAG;
  
  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 MissingDeprecatedCheckTest extends AbstractModuleTestSupport {
  
      @Override
      protected String getPackageLocation() {
          return "com/puppycrawl/tools/checkstyle/checks/annotation/missingdeprecated";
      }
  
      @Test
      public void testGetDefaultJavadocTokens() {
          final MissingDeprecatedCheck missingDeprecatedCheck =
                  new MissingDeprecatedCheck();
          final int[] expected = {
              JavadocTokenTypes.JAVADOC,
          };
  
          assertWithMessage("Default javadoc tokens are invalid")
                  .that(missingDeprecatedCheck.getDefaultJavadocTokens())
                  .isEqualTo(expected);
      }
  
      @Test
      public void testGetRequiredJavadocTokens() {
          final MissingDeprecatedCheck checkObj = new MissingDeprecatedCheck();
          final int[] expected = {
              JavadocTokenTypes.JAVADOC,
          };
          assertWithMessage("Default required javadoc tokens are invalid")
                  .that(checkObj.getRequiredJavadocTokens())
                  .isEqualTo(expected);
      }
  
      /**
       * Tests that members that are only deprecated via javadoc are flagged.
       */
      @Test
      public void testBadDeprecatedAnnotation() throws Exception {
  
          final String[] expected = {
              "14: " + getCheckMessage(MSG_KEY_ANNOTATION_MISSING_DEPRECATED),
              "19: " + getCheckMessage(MSG_KEY_ANNOTATION_MISSING_DEPRECATED),
              "26: " + getCheckMessage(MSG_KEY_ANNOTATION_MISSING_DEPRECATED),
              "33: " + getCheckMessage(MSG_KEY_ANNOTATION_MISSING_DEPRECATED),
              "38: " + getCheckMessage(MSG_KEY_ANNOTATION_MISSING_DEPRECATED),
              "45: " + getCheckMessage(MSG_KEY_ANNOTATION_MISSING_DEPRECATED),
              "50: " + getCheckMessage(MSG_KEY_ANNOTATION_MISSING_DEPRECATED),
              "58: " + getCheckMessage(MSG_KEY_ANNOTATION_MISSING_DEPRECATED),
              "63: " + getCheckMessage(MSG_KEY_ANNOTATION_MISSING_DEPRECATED),
          };
  
          verifyWithInlineConfigParser(
                  getPath("InputMissingDeprecatedBadDeprecated.java"), expected);
      }
  
      /**
       * Tests that members that are only deprecated via the annotation are flagged.
       */
      @Test
      public void testBadDeprecatedJavadoc() throws Exception {
  
          final String[] expected = {
              "18: " + getCheckMessage(MSG_KEY_ANNOTATION_MISSING_DEPRECATED),
              "36: " + getCheckMessage(MSG_KEY_ANNOTATION_MISSING_DEPRECATED),
              "45: " + getCheckMessage(MSG_KEY_ANNOTATION_MISSING_DEPRECATED),
              "55: " + getCheckMessage(MSG_KEY_ANNOTATION_MISSING_DEPRECATED),
              "62: " + getCheckMessage(MSG_KEY_ANNOTATION_MISSING_DEPRECATED),
          };
  
          verifyWithInlineConfigParser(
                  getPath("InputMissingDeprecatedBadJavadoc.java"), expected);
      }
  
      /**
       * Tests various special deprecation conditions such as duplicate or empty tags.
       */
      @Test
      public void testSpecialCaseDeprecated() throws Exception {
  
          final String[] expected = {
              "12: " + getCheckMessage(MSG_KEY_JAVADOC_DUPLICATE_TAG, "@deprecated"),
              "19: " + getCheckMessage(MSG_KEY_JAVADOC_DUPLICATE_TAG, "@deprecated"),
              "21: " + getCheckMessage(MSG_KEY_ANNOTATION_MISSING_DEPRECATED),
              "26: " + getCheckMessage(MSG_KEY_ANNOTATION_MISSING_DEPRECATED),
              "40: " + getCheckMessage(MSG_KEY_JAVADOC_DUPLICATE_TAG, "@deprecated"),
              "49: " + getCheckMessage(MSG_KEY_JAVADOC_DUPLICATE_TAG, "@deprecated"),
              "58: " + getCheckMessage(MSG_KEY_JAVADOC_DUPLICATE_TAG, "@deprecated"),
              "99: " + getCheckMessage(MSG_KEY_ANNOTATION_MISSING_DEPRECATED),
              "106: " + getCheckMessage(MSG_KEY_ANNOTATION_MISSING_DEPRECATED),
              "113: " + getCheckMessage(MSG_KEY_ANNOTATION_MISSING_DEPRECATED),
          };
  
          verifyWithInlineConfigParser(
                  getPath("InputMissingDeprecatedSpecialCase.java"), expected);
      }
  
      /**
       * Tests that good forms of deprecation are not flagged.
       */
      @Test
      public void testGoodDeprecated() throws Exception {
  
          final String[] expected = CommonUtil.EMPTY_STRING_ARRAY;
  
          verifyWithInlineConfigParser(
                  getPath("InputMissingDeprecatedGood.java"), expected);
      }
  
      @Test
      public void testTwoInJavadocWithoutAnnotation() throws Exception {
  
          final String[] expected = {
              "15: " + getCheckMessage(MSG_KEY_JAVADOC_DUPLICATE_TAG, "@deprecated"),
              "19: " + getCheckMessage(MSG_KEY_ANNOTATION_MISSING_DEPRECATED),
          };
  
          verifyWithInlineConfigParser(
                  getPath("InputMissingDeprecatedClass.java"), expected);
      }
  
      @Test
      public void testEmptyJavadocLine() throws Exception {
  
          final String[] expected = {
              "18: " + getCheckMessage(MSG_KEY_ANNOTATION_MISSING_DEPRECATED),
          };
  
          verifyWithInlineConfigParser(
                  getPath("InputMissingDeprecatedMethod.java"), expected);
      }
  
      @Test
      public void testPackageInfo() throws Exception {
  
          final String[] expected = {
              "9: " + getCheckMessage(MSG_KEY_ANNOTATION_MISSING_DEPRECATED),
          };
  
          verifyWithInlineConfigParser(
                  getPath("package-info.java"), expected);
      }
  
      @Test
      public void testDepPackageInfoBelowComment() throws Exception {
  
          final String[] expected = {
              "14: " + getCheckMessage(MSG_KEY_ANNOTATION_MISSING_DEPRECATED),
          };
  
          verifyWithInlineConfigParser(
                  getPath("InputMissingDeprecatedAbovePackage.java"), expected);
      }
  
      @Test
      public void testPackageInfoBelowComment() throws Exception {
  
          final String[] expected = CommonUtil.EMPTY_STRING_ARRAY;
  
          verifyWithInlineConfigParser(
                  getPath("InputMissingDeprecatedSingleComment.java"), expected);
      }
  }
  