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.google.checkstyle.test.chapter4formatting.rule451wheretobreak;
  
  import org.junit.jupiter.api.Test;
  
  import com.google.checkstyle.test.base.AbstractGoogleModuleTestSupport;
  import com.puppycrawl.tools.checkstyle.api.Configuration;
  import com.puppycrawl.tools.checkstyle.checks.whitespace.OperatorWrapCheck;
  
  public class OperatorWrapTest extends AbstractGoogleModuleTestSupport {
  
      @Override
      protected String getPackageLocation() {
          return "com/google/checkstyle/test/chapter4formatting/rule451wheretobreak";
      }
  
      @Test
      public void testOperatorWrap() throws Exception {
          final Class<OperatorWrapCheck> clazz = OperatorWrapCheck.class;
          final String messageKey = "line.new";
  
          final String[] expected = {
              "11:27: " + getCheckMessage(clazz, messageKey, "+"),
              "12:28: " + getCheckMessage(clazz, messageKey, "-"),
              "20:27: " + getCheckMessage(clazz, messageKey, "&&"),
              "28:33: " + getCheckMessage(clazz, messageKey, "::"),
              "43:35: " + getCheckMessage(clazz, messageKey, "&"),
              "62:42: " + getCheckMessage(clazz, messageKey, "?"),
              "66:27: " + getCheckMessage(clazz, messageKey, "!="),
              "72:30: " + getCheckMessage(clazz, messageKey, "=="),
              "78:27: " + getCheckMessage(clazz, messageKey, ">"),
              "84:35: " + getCheckMessage(clazz, messageKey, "||"),
              "107:46: " + getCheckMessage(clazz, messageKey, "?"),
              "111:31: " + getCheckMessage(clazz, messageKey, "!="),
              "117:34: " + getCheckMessage(clazz, messageKey, "=="),
              "123:31: " + getCheckMessage(clazz, messageKey, ">"),
              "129:39: " + getCheckMessage(clazz, messageKey, "||"),
              "153:46: " + getCheckMessage(clazz, messageKey, "?"),
              "157:31: " + getCheckMessage(clazz, messageKey, "!="),
              "163:34: " + getCheckMessage(clazz, messageKey, "=="),
              "169:31: " + getCheckMessage(clazz, messageKey, ">"),
              "175:39: " + getCheckMessage(clazz, messageKey, "||"),
              "194:38: " + getCheckMessage(clazz, messageKey, "?"),
          };
  
          final Configuration checkConfig = getModuleConfig("OperatorWrap");
          final String filePath = getPath("InputOperatorWrap.java");
  
          final Integer[] warnList = getLinesWithWarn(filePath);
          verify(checkConfig, filePath, expected, warnList);
      }
  
  }
  