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.whitespace;
  
  import static com.google.common.truth.Truth.assertWithMessage;
  import static com.puppycrawl.tools.checkstyle.checks.whitespace.WhitespaceAfterCheck.MSG_WS_NOT_FOLLOWED;
  import static com.puppycrawl.tools.checkstyle.checks.whitespace.WhitespaceAfterCheck.MSG_WS_TYPECAST;
  
  import org.junit.jupiter.api.Test;
  
  import com.puppycrawl.tools.checkstyle.AbstractModuleTestSupport;
  import com.puppycrawl.tools.checkstyle.utils.CommonUtil;
  
  public class WhitespaceAfterCheckTest
      extends AbstractModuleTestSupport {
  
      @Override
      protected String getPackageLocation() {
          return "com/puppycrawl/tools/checkstyle/checks/whitespace/whitespaceafter";
      }
  
      @Test
      public void testGetRequiredTokens() {
          final WhitespaceAfterCheck checkObj = new WhitespaceAfterCheck();
          assertWithMessage(
                  "WhitespaceAfterCheck#getRequiredTokens should return empty array by default")
                          .that(checkObj.getRequiredTokens())
                          .isEmpty();
      }
  
      @Test
      public void testDefault() throws Exception {
          final String[] expected = {
              "45:39: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, ","),
              "74:29: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, ","),
          };
          verifyWithInlineConfigParser(
                  getPath("InputWhitespaceAfterDefaultConfig.java"),
                  expected);
      }
  
      @Test
      public void testCast() throws Exception {
          final String[] expected = {
              "91:20: " + getCheckMessage(MSG_WS_TYPECAST),
          };
          verifyWithInlineConfigParser(
                  getPath("InputWhitespaceAfterTypeCast.java"),
                  expected);
      }
  
      @Test
      public void testMultilineCast() throws Exception {
          final String[] expected = {
              "14:23: " + getCheckMessage(MSG_WS_TYPECAST),
          };
          verifyWithInlineConfigParser(
                  getPath("InputWhitespaceAfterMultilineCast.java"),
                  expected);
      }
  
      @Test
      public void testSemi() throws Exception {
          final String[] expected = {
              "57:22: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, ";"),
              "57:28: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, ";"),
              "106:18: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, ";"),
          };
          verifyWithInlineConfigParser(
                  getPath("InputWhitespaceAfterBraces.java"),
                  expected);
      }
  
      @Test
      public void testLiteralWhile() throws Exception {
          final String[] expected = {
              "46:9: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, "while"),
          };
          verifyWithInlineConfigParser(
                  getPath("InputWhitespaceAfterLiteralWhile.java"),
                  expected);
      }
  
      @Test
      public void testLiteralIf() throws Exception {
          final String[] expected = {
              "25:9: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, "if"),
          };
          verifyWithInlineConfigParser(
                  getPath("InputWhitespaceAfterLiteralIf.java"),
                  expected);
      }
  
      @Test
      public void testLiteralElse() throws Exception {
          final String[] expected = {
              "34:11: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, "else"),
          };
          verifyWithInlineConfigParser(
                  getPath("InputWhitespaceAfterLiteralElse.java"),
                  expected);
      }
  
      @Test
      public void testLiteralFor() throws Exception {
          final String[] expected = {
              "58:9: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, "for"),
          };
          verifyWithInlineConfigParser(
                  getPath("InputWhitespaceAfterLiteralFor.java"),
                  expected);
      }
  
      @Test
      public void testLiteralFinally() throws Exception {
          final String[] expected = {
              "14:13: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, "finally"),
              "17:31: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, "finally"),
          };
          verifyWithInlineConfigParser(
              getPath("InputWhitespaceAfterLiteralFinally.java"),
              expected);
      }
  
      @Test
      public void testLiteralReturn() throws Exception {
          final String[] expected = {
              "17:9: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, "return"),
              "21:9: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, "return"),
              "25:9: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, "return"),
              "29:9: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, "return"),
          };
          verifyWithInlineConfigParser(
              getPath("InputWhitespaceAfterLiteralReturn.java"),
              expected);
      }
  
      @Test
      public void testLiteralDo() throws Exception {
          final String[] expected = {
              "70:9: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, "do"),
          };
          verifyWithInlineConfigParser(
                  getPath("InputWhitespaceAfterLiteralDo.java"),
                  expected);
      }
  
      @Test
      public void testLiteralYield() throws Exception {
          final String[] expected = {
              "17:9: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, "yield"),
          };
          verifyWithInlineConfigParser(
                  getNonCompilablePath("InputWhitespaceAfterLiteralYield.java"),
                  expected);
      }
  
      @Test
      public void testLiteralSynchronized() throws Exception {
          final String[] expected = {
              "13:9: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, "synchronized"),
              "31:9: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, "synchronized"),
          };
  
          verifyWithInlineConfigParser(
                  getPath("InputWhitespaceAfterLiteralSynchronized.java"),
                  expected);
      }
  
      @Test
      public void testDoWhile() throws Exception {
          final String[] expected = {
              "25:11: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, "while"),
          };
          verifyWithInlineConfigParser(
                  getPath("InputWhitespaceAfterDoWhile.java"),
                  expected);
      }
  
      @Test
      public void testLiteralTry() throws Exception {
          final String[] expected = {
              "20:9: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, "try"),
              "24:9: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, "try"),
          };
          verifyWithInlineConfigParser(
              getPath("InputWhitespaceAfterLiteralTry.java"),
              expected);
      }
  
      @Test
      public void testLiteralCatch() throws Exception {
          final String[] expected = {
              "14:14: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, "catch"),
          };
          verifyWithInlineConfigParser(
              getPath("InputWhitespaceAfterLiteralCatch.java"),
              expected);
      }
  
      @Test
      public void testLiteralCase() throws Exception {
          final String[] expected = {
              "15:13: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, "case"),
          };
          verifyWithInlineConfigParser(
              getPath("InputWhitespaceAfterLiteralCase.java"),
              expected);
      }
  
      @Test
      public void testLiteralCase2() throws Exception {
          final String[] expected = {
              "13:13: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, "case"),
          };
          verifyWithInlineConfigParser(
              getPath("InputWhitespaceAfterLiteralCase2.java"),
              expected);
      }
  
      @Test
      public void testEmptyForIterator() throws Exception {
          final String[] expected = {
              "18:30: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, ";"),
              "21:30: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, ";"),
          };
          verifyWithInlineConfigParser(
                  getPath("InputWhitespaceAfterFor.java"),
                  expected);
      }
  
      @Test
      public void testTypeArgumentAndParameterCommas() throws Exception {
          final String[] expected = {
              "20:20: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, ","),
              "20:22: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, ","),
              "20:40: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, ","),
          };
          verifyWithInlineConfigParser(
                  getPath("InputWhitespaceAfterGenerics.java"),
                  expected);
      }
  
      @Test
      public void test1322879() throws Exception {
          final String[] expected = CommonUtil.EMPTY_STRING_ARRAY;
          verifyWithInlineConfigParser(
                  getPath("InputWhitespaceAfterAround.java"),
                 expected);
      }
  
      @Test
      public void testCountUnicodeCorrectly() throws Exception {
          final String[] expected = {
              "14:20: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, ";"),
          };
          verifyWithInlineConfigParser(
                  getPath("InputWhitespaceAfterCountUnicodeCorrectly.java"), expected);
      }
  
      @Test
      public void testVarargs() throws Exception {
          final String[] expected = {
              "14:27: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, "..."),
              "18:25: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, "..."),
              "21:36: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, "..."),
              "28:40: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, "..."),
              "37:19: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, "..."),
          };
          verifyWithInlineConfigParser(getPath("InputWhitespaceAfterVarargs.java"), expected);
      }
  
      @Test
      public void testSwitchStatements() throws Exception {
          final String[] expected = {
              "18:9: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, "switch"),
              "31:9: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, "switch"),
              "33:21: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, "->"),
              "40:9: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, "switch"),
              "41:27: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, "->"),
              "42:28: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, "->"),
              "49:9: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, "switch"),
          };
  
          verifyWithInlineConfigParser(
                  getNonCompilablePath("InputWhitespaceAfterSwitchStatements.java"),
                  expected);
      }
  
      @Test
      public void testLambdaExpressions() throws Exception {
          final String[] expected = {
              "17:29: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, "->"),
              "19:22: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, "->"),
              "28:21: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, "->"),
          };
  
          verifyWithInlineConfigParser(getPath("InputWhitespaceAfterLambdaExpressions.java"),
                  expected);
      }
  
      @Test
      public void testWhitespaceAfterWithEmoji() throws Exception {
          final String[] expected = {
              "13:48: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, ","),
              "13:52: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, ","),
              "29:32: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, ";"),
              "38:23: " + getCheckMessage(MSG_WS_TYPECAST, ";"),
              "48:23: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, ";"),
              "48:53: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, ";"),
          };
          verifyWithInlineConfigParser(
              getPath("InputWhitespaceAfterWithEmoji.java"), expected);
      }
  }
  