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 org.checkstyle.suppressionxpathfilter;
  
  import java.io.File;
  import java.util.Arrays;
  import java.util.List;
  
  import org.junit.jupiter.api.Test;
  
  import com.puppycrawl.tools.checkstyle.DefaultConfiguration;
  import com.puppycrawl.tools.checkstyle.checks.coding.AvoidDoubleBraceInitializationCheck;
  
  public class XpathRegressionAvoidDoubleBraceInitializationTest extends AbstractXpathTestSupport {
  
      private final Class<AvoidDoubleBraceInitializationCheck> clazz =
          AvoidDoubleBraceInitializationCheck.class;
  
      @Override
      protected String getCheckName() {
          return clazz.getSimpleName();
      }
  
      @Test
      public void testOne() throws Exception {
          final File fileToProcess = new File(
              getPath("SuppressionXpathRegressionAvoidDoubleBraceInitialization.java"));
  
          final DefaultConfiguration moduleConfig = createModuleConfig(clazz);
  
          final String[] expectedViolation = {
              "6:41: " + getCheckMessage(clazz, AvoidDoubleBraceInitializationCheck.MSG_KEY),
          };
  
          final List<String> expectedXpathQueries = Arrays.asList(
              "/COMPILATION_UNIT/CLASS_DEF"
                  + "[./IDENT[@text='SuppressionXpathRegressionAvoidDoubleBraceInitialization']]"
                  + "/OBJBLOCK/VARIABLE_DEF[./IDENT[@text='list']]/ASSIGN/EXPR/"
                  + "LITERAL_NEW[./IDENT[@text='ArrayList']]/OBJBLOCK",
              "/COMPILATION_UNIT/CLASS_DEF"
                  + "[./IDENT[@text='SuppressionXpathRegressionAvoidDoubleBraceInitialization']]"
                  + "/OBJBLOCK/VARIABLE_DEF[./IDENT[@text='list']]/ASSIGN/EXPR/"
                  + "LITERAL_NEW[./IDENT[@text='ArrayList']]/OBJBLOCK/LCURLY"
          );
  
          runVerifications(moduleConfig, fileToProcess, expectedViolation, expectedXpathQueries);
      }
  
      @Test
      public void testTwo() throws Exception {
          final File fileToProcess = new File(
              getPath("SuppressionXpathRegressionAvoidDoubleBraceInitializationTwo.java"));
  
          final DefaultConfiguration moduleConfig = createModuleConfig(clazz);
  
          final String[] expectedViolation = {
              "7:31: " + getCheckMessage(clazz, AvoidDoubleBraceInitializationCheck.MSG_KEY),
          };
  
          final List<String> expectedXpathQueries = Arrays.asList(
              "/COMPILATION_UNIT/CLASS_DEF[./IDENT[@text="
                      + "'SuppressionXpathRegressionAvoidDoubleBraceInitializationTwo']]"
                  + "/OBJBLOCK/METHOD_DEF[./IDENT[@text='test']]"
                  + "/SLIST/EXPR/LITERAL_NEW[./IDENT[@text='HashSet']]"
                  + "/OBJBLOCK",
              "/COMPILATION_UNIT/CLASS_DEF[./IDENT[@text="
                      + "'SuppressionXpathRegressionAvoidDoubleBraceInitializationTwo']]"
                  + "/OBJBLOCK/METHOD_DEF[./IDENT[@text='test']]"
                  + "/SLIST/EXPR/LITERAL_NEW[./IDENT[@text='HashSet']]"
                  + "/OBJBLOCK/LCURLY"
          );
  
          runVerifications(moduleConfig, fileToProcess, expectedViolation, expectedXpathQueries);
      }
  
  }
  