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.annotation.AnnotationLocationCheck;
  
  public class XpathRegressionAnnotationLocationTest extends AbstractXpathTestSupport {
  
      private final String checkName = AnnotationLocationCheck.class.getSimpleName();
  
      @Override
      protected String getCheckName() {
          return checkName;
      }
  
      @Test
      public void testClass() throws Exception {
          final File fileToProcess = new File(getPath(
                  "SuppressionXpathRegressionAnnotationLocationClass.java"));
  
          final DefaultConfiguration moduleConfig =
                  createModuleConfig(AnnotationLocationCheck.class);
  
          final String[] expectedViolation = {
              "6:1: " + getCheckMessage(AnnotationLocationCheck.class,
                      AnnotationLocationCheck.MSG_KEY_ANNOTATION_LOCATION_ALONE, "ClassAnnotation"),
          };
  
          final List<String> expectedXpathQueries = Arrays.asList(
                  "/COMPILATION_UNIT/CLASS_DEF"
                          + "[./IDENT[@text='SuppressionXpathRegressionAnnotationLocationClass']]",
                  "/COMPILATION_UNIT/CLASS_DEF"
                          + "[./IDENT[@text='SuppressionXpathRegressionAnnotationLocationClass']]"
                          + "/MODIFIERS",
                  "/COMPILATION_UNIT/CLASS_DEF"
                          + "[./IDENT[@text='SuppressionXpathRegressionAnnotationLocationClass']]/"
                          + "MODIFIERS/ANNOTATION[./IDENT[@text='ClassAnnotation']]",
                  "/COMPILATION_UNIT/CLASS_DEF"
                          + "[./IDENT[@text='SuppressionXpathRegressionAnnotationLocationClass']]/"
                          + "MODIFIERS/ANNOTATION[./IDENT[@text='ClassAnnotation']]/AT"
          );
  
          runVerifications(moduleConfig, fileToProcess, expectedViolation,
                  expectedXpathQueries);
      }
  
      @Test
      public void testInterface() throws Exception {
          final File fileToProcess = new File(getPath(
                  "SuppressionXpathRegressionAnnotationLocationInterface.java"));
  
          final DefaultConfiguration moduleConfig =
                  createModuleConfig(AnnotationLocationCheck.class);
  
          final String[] expectedViolation = {
              "7:1: " + getCheckMessage(AnnotationLocationCheck.class,
               AnnotationLocationCheck.MSG_KEY_ANNOTATION_LOCATION_ALONE,
                      "InterfaceAnnotation"),
          };
  
          final List<String> expectedXpathQueries = Arrays.asList(
              "/COMPILATION_UNIT/INTERFACE_DEF"
                      + "[./IDENT[@text='SuppressionXpathRegression"
                      + "AnnotationLocationInterface']]",
              "/COMPILATION_UNIT/INTERFACE_DEF"
                      + "[./IDENT[@text='SuppressionXpathRegressionAnnotationLocationInterface'"
                      + "]]/MODIFIERS",
              "/COMPILATION_UNIT/INTERFACE_DEF"
                      + "[./IDENT[@text='SuppressionXpathRegressionAnnotationLocationInterface']]"
                      + "/MODIFIERS/ANNOTATION[./IDENT[@text='InterfaceAnnotation']]",
              "/COMPILATION_UNIT/INTERFACE_DEF"
                      + "[./IDENT[@text='SuppressionXpathRegressionAnnotationLocationInterface']]"
                      + "/MODIFIERS/ANNOTATION[./IDENT[@text='InterfaceAnnotation']]/AT"
          );
  
          runVerifications(moduleConfig, fileToProcess, expectedViolation,
                  expectedXpathQueries);
      }
  
      @Test
      public void testEnum() throws Exception {
          final File fileToProcess = new File(getPath(
                  "SuppressionXpathRegressionAnnotationLocationEnum.java"));
  
          final DefaultConfiguration moduleConfig =
                  createModuleConfig(AnnotationLocationCheck.class);
  
          final String[] expectedViolation = {
              "6:1: " + getCheckMessage(AnnotationLocationCheck.class,
                      AnnotationLocationCheck.MSG_KEY_ANNOTATION_LOCATION_ALONE,
                      "EnumAnnotation"),
          };
  
          final List<String> expectedXpathQueries = Arrays.asList(
                  "/COMPILATION_UNIT/ENUM_DEF[./IDENT[@text='SuppressionXpathRegression"
                          + "AnnotationLocationEnum']]",
                  "/COMPILATION_UNIT/ENUM_DEF"
                          + "[./IDENT[@text='SuppressionXpathRegressionAnnotationLocationEnum']]"
                          + "/MODIFIERS",
                  "/COMPILATION_UNIT/ENUM_DEF"
                          + "[./IDENT[@text='SuppressionXpathRegressionAnnotationLocationEnum']]"
                          + "/MODIFIERS/ANNOTATION[./IDENT[@text='EnumAnnotation']]",
                  "/COMPILATION_UNIT/ENUM_DEF"
                          + "[./IDENT[@text='SuppressionXpathRegressionAnnotationLocationEnum']]"
                          + "/MODIFIERS/ANNOTATION[./IDENT[@text='EnumAnnotation']]/AT"
          );
  
          runVerifications(moduleConfig, fileToProcess, expectedViolation,
                  expectedXpathQueries);
  
      }
  
      @Test
      public void testMethod() throws Exception {
          final File fileToProcess = new File(getPath(
                  "SuppressionXpathRegressionAnnotationLocationMethod.java"));
  
          final DefaultConfiguration moduleConfig =
                  createModuleConfig(AnnotationLocationCheck.class);
          moduleConfig.addProperty("tokens", "METHOD_DEF");
  
          final String[] expectedViolation = {
              "4:6: " + getCheckMessage(AnnotationLocationCheck.class,
                      AnnotationLocationCheck.MSG_KEY_ANNOTATION_LOCATION_ALONE,
                      "MethodAnnotation"),
          };
  
          final List<String> expectedXpathQueries = Arrays.asList(
                  "/COMPILATION_UNIT/CLASS_DEF"
                          + "[./IDENT[@text='SuppressionXpathRegressionAnnotationLocationMethod']]/"
                          + "OBJBLOCK/METHOD_DEF[./IDENT[@text='foo1']]",
                  "/COMPILATION_UNIT/CLASS_DEF"
                          + "[./IDENT[@text='SuppressionXpathRegressionAnnotationLocationMethod']]/"
                          + "OBJBLOCK/METHOD_DEF[./IDENT[@text='foo1']]/MODIFIERS",
                  "/COMPILATION_UNIT/CLASS_DEF"
                          + "[./IDENT[@text='SuppressionXpathRegressionAnnotationLocationMethod']]/"
                          + "OBJBLOCK/METHOD_DEF[./IDENT[@text='foo1']]/MODIFIERS/"
                          + "ANNOTATION[./IDENT[@text='MethodAnnotation']]",
                  "/COMPILATION_UNIT/CLASS_DEF"
                          + "[./IDENT[@text='SuppressionXpathRegressionAnnotationLocationMethod']]/"
                          + "OBJBLOCK/METHOD_DEF[./IDENT[@text='foo1']]/MODIFIERS/"
                          + "ANNOTATION[./IDENT[@text='MethodAnnotation']]/AT"
          );
  
          runVerifications(moduleConfig, fileToProcess, expectedViolation,
                  expectedXpathQueries);
  
      }
  
      @Test
      public void testVariable() throws Exception {
          final File fileToProcess = new File(getPath(
                  "SuppressionXpathRegressionAnnotationLocationVariable.java"));
  
          final DefaultConfiguration moduleConfig =
                  createModuleConfig(AnnotationLocationCheck.class);
          moduleConfig.addProperty("tokens", "VARIABLE_DEF");
  
          final String[] expectedViolation = {
              "4:5: " + getCheckMessage(AnnotationLocationCheck.class,
                      AnnotationLocationCheck.MSG_KEY_ANNOTATION_LOCATION_ALONE,
                      "VariableAnnotation"),
          };
  
          final List<String> expectedXpathQueries = Arrays.asList(
                  "/COMPILATION_UNIT/CLASS_DEF"
                          + "[./IDENT[@text='SuppressionXpathRegressionAnnotationLocationVariable']]/"
                          + "OBJBLOCK/VARIABLE_DEF[./IDENT[@text='b']]",
                  "/COMPILATION_UNIT/CLASS_DEF"
                          + "[./IDENT[@text='SuppressionXpathRegressionAnnotationLocationVariable']]/"
                          + "OBJBLOCK/VARIABLE_DEF[./IDENT[@text='b']]/MODIFIERS",
                  "/COMPILATION_UNIT/CLASS_DEF"
                          + "[./IDENT[@text='SuppressionXpathRegressionAnnotationLocationVariable']]/"
                          + "OBJBLOCK/VARIABLE_DEF[./IDENT[@text='b']]/MODIFIERS/"
                          + "ANNOTATION[./IDENT[@text='VariableAnnotation']]",
                  "/COMPILATION_UNIT/CLASS_DEF"
                          + "[./IDENT[@text='SuppressionXpathRegressionAnnotationLocationVariable']]/"
                          + "OBJBLOCK/VARIABLE_DEF[./IDENT[@text='b']]/MODIFIERS/"
                          + "ANNOTATION[./IDENT[@text='VariableAnnotation']]/AT"
          );
  
          runVerifications(moduleConfig, fileToProcess, expectedViolation,
                  expectedXpathQueries);
  
      }
  
      @Test
      public void testConstructor() throws Exception {
          final File fileToProcess = new File(getPath(
                  "SuppressionXpathRegressionAnnotationLocationCTOR.java"));
  
          final DefaultConfiguration moduleConfig =
                  createModuleConfig(AnnotationLocationCheck.class);
          moduleConfig.addProperty("tokens", "CTOR_DEF");
  
          final String[] expectedViolation = {
              "4:5: " + getCheckMessage(AnnotationLocationCheck.class,
                      AnnotationLocationCheck.MSG_KEY_ANNOTATION_LOCATION_ALONE,
                      "CTORAnnotation"),
          };
  
          final List<String> expectedXpathQueries = Arrays.asList(
                  "/COMPILATION_UNIT/CLASS_DEF[./IDENT[@text='SuppressionXpathRegression"
                          + "AnnotationLocationCTOR']]/OBJBLOCK/CTOR_DEF"
                          + "[./IDENT[@text='SuppressionXpathRegression"
                          + "AnnotationLocationCTOR']]",
                  "/COMPILATION_UNIT/CLASS_DEF[./IDENT[@text='SuppressionXpathRegression"
                          + "AnnotationLocationCTOR']]/OBJBLOCK/CTOR_DEF"
                          + "[./IDENT[@text='SuppressionXpathRegression"
                          + "AnnotationLocationCTOR']]/MODIFIERS",
                  "/COMPILATION_UNIT/CLASS_DEF[./IDENT[@text='SuppressionXpathRegression"
                          + "AnnotationLocationCTOR']]/OBJBLOCK/CTOR_DEF"
                          + "[./IDENT[@text='SuppressionXpathRegression"
                          + "AnnotationLocationCTOR']]/"
                          + "MODIFIERS/ANNOTATION[./IDENT[@text='CTORAnnotation']]",
                  "/COMPILATION_UNIT/CLASS_DEF[./IDENT[@text='SuppressionXpathRegression"
                          + "AnnotationLocationCTOR']]/OBJBLOCK/CTOR_DEF"
                          + "[./IDENT[@text='SuppressionXpathRegression"
                          + "AnnotationLocationCTOR']]/"
                          + "MODIFIERS/ANNOTATION[./IDENT[@text='CTORAnnotation']]/AT"
          );
  
          runVerifications(moduleConfig, fileToProcess, expectedViolation,
                  expectedXpathQueries);
  
      }
  
  }
  