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.SeparatorWrapCheck.MSG_LINE_NEW;
  import static com.puppycrawl.tools.checkstyle.checks.whitespace.SeparatorWrapCheck.MSG_LINE_PREVIOUS;
  
  import org.junit.jupiter.api.Test;
  
  import com.puppycrawl.tools.checkstyle.AbstractModuleTestSupport;
  import com.puppycrawl.tools.checkstyle.api.CheckstyleException;
  import com.puppycrawl.tools.checkstyle.api.TokenTypes;
  import com.puppycrawl.tools.checkstyle.utils.CommonUtil;
  
  public class SeparatorWrapCheckTest
          extends AbstractModuleTestSupport {
  
      @Override
      protected String getPackageLocation() {
          return "com/puppycrawl/tools/checkstyle/checks/whitespace/separatorwrap";
      }
  
      @Test
      public void testDot()
              throws Exception {
          final String[] expected = {
              "39:10: " + getCheckMessage(MSG_LINE_NEW, "."),
          };
          verifyWithInlineConfigParser(
                  getPath("InputSeparatorWrapForTestDot.java"), expected);
      }
  
      @Test
      public void testComma() throws Exception {
          final String[] expected = {
              "47:17: " + getCheckMessage(MSG_LINE_PREVIOUS, ","),
          };
          verifyWithInlineConfigParser(
                  getPath("InputSeparatorWrapForTestComma.java"), expected);
      }
  
      @Test
      public void testMethodRef() throws Exception {
          final String[] expected = {
              "25:56: " + getCheckMessage(MSG_LINE_NEW, "::"),
          };
          verifyWithInlineConfigParser(
                  getPath("InputSeparatorWrapForTestMethodRef.java"), expected);
      }
  
      @Test
      public void testGetDefaultTokens() {
          final SeparatorWrapCheck separatorWrapCheckObj = new SeparatorWrapCheck();
          final int[] actual = separatorWrapCheckObj.getDefaultTokens();
          final int[] expected = {
              TokenTypes.DOT,
              TokenTypes.COMMA,
          };
          assertWithMessage("Invalid default tokens")
              .that(actual)
              .isEqualTo(expected);
      }
  
      @Test
      public void testInvalidOption() throws Exception {
  
          try {
              final String[] expected = CommonUtil.EMPTY_STRING_ARRAY;
  
              verifyWithInlineConfigParser(
                      getPath("InputSeparatorWrapForInvalidOption.java"), expected);
              assertWithMessage("exception expected").fail();
          }
          catch (CheckstyleException ex) {
              assertWithMessage("Invalid exception message")
                  .that(ex.getMessage())
                  .isEqualTo("cannot initialize module com.puppycrawl.tools.checkstyle.TreeWalker - "
                      + "cannot initialize module com.puppycrawl.tools.checkstyle.checks."
                      + "whitespace.SeparatorWrapCheck - "
                      + "Cannot set property 'option' to 'invalid_option'");
          }
      }
  
      @Test
      public void testEllipsis() throws Exception {
          final String[] expected = {
              "19:13: " + getCheckMessage(MSG_LINE_PREVIOUS, "..."),
          };
          verifyWithInlineConfigParser(
                  getPath("InputSeparatorWrapForEllipsis.java"), expected);
      }
  
      @Test
      public void testArrayDeclarator() throws Exception {
          final String[] expected = {
              "17:13: " + getCheckMessage(MSG_LINE_PREVIOUS, "["),
          };
          verifyWithInlineConfigParser(
                  getPath("InputSeparatorWrapForArrayDeclarator.java"), expected);
      }
  
      @Test
      public void testWithEmoji() throws Exception {
          final String[] expected = {
              "13:39: " + getCheckMessage(MSG_LINE_NEW, '['),
              "16:57: " + getCheckMessage(MSG_LINE_NEW, '['),
              "19:39: " + getCheckMessage(MSG_LINE_NEW, "..."),
              "26:19: " + getCheckMessage(MSG_LINE_NEW, '.'),
              "39:50: " + getCheckMessage(MSG_LINE_NEW, ','),
              "41:50: " + getCheckMessage(MSG_LINE_NEW, "::"),
          };
          verifyWithInlineConfigParser(
              getPath("InputSeparatorWrapWithEmoji.java"), expected);
      }
  
      @Test
      public void testTrimOptionProperty() throws Exception {
          final String[] expected = {
              "18:44: " + getCheckMessage(MSG_LINE_NEW, "::"),
          };
          verifyWithInlineConfigParser(
                  getPath("InputSeparatorWrapSetOptionTrim.java"), expected);
      }
  
      @Test
      public void testCommaOnNewLine() throws Exception {
          final String[] expected = {
              "16:10: " + getCheckMessage(MSG_LINE_NEW, ","),
              "21:26: " + getCheckMessage(MSG_LINE_NEW, ","),
          };
          verifyWithInlineConfigParser(
                  getPath("InputSeparatorWrapForTestTrailingWhitespace.java"), expected);
      }
  }
  