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1   ///////////////////////////////////////////////////////////////////////////////////////////////
2   // checkstyle: Checks Java source code and other text files for adherence to a set of rules.
3   // Copyright (C) 2001-2025 the original author or authors.
4   //
5   // This library is free software; you can redistribute it and/or
6   // modify it under the terms of the GNU Lesser General Public
7   // License as published by the Free Software Foundation; either
8   // version 2.1 of the License, or (at your option) any later version.
9   //
10  // This library is distributed in the hope that it will be useful,
11  // but WITHOUT ANY WARRANTY; without even the implied warranty of
12  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13  // Lesser General Public License for more details.
14  //
15  // You should have received a copy of the GNU Lesser General Public
16  // License along with this library; if not, write to the Free Software
17  // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
18  ///////////////////////////////////////////////////////////////////////////////////////////////
19  
20  package org.checkstyle.suppressionxpathfilter;
21  
22  import java.io.File;
23  import java.util.Collections;
24  import java.util.List;
25  
26  import org.junit.jupiter.api.Test;
27  
28  import com.puppycrawl.tools.checkstyle.DefaultConfiguration;
29  import com.puppycrawl.tools.checkstyle.checks.blocks.EmptyCatchBlockCheck;
30  
31  public class XpathRegressionEmptyCatchBlockTest extends AbstractXpathTestSupport {
32  
33      private static final Class<EmptyCatchBlockCheck> CLAZZ =
34          EmptyCatchBlockCheck.class;
35  
36      @Override
37      protected String getCheckName() {
38          return CLAZZ.getSimpleName();
39      }
40  
41      @Test
42      public void testOne() throws Exception {
43          final File fileToProcess = new File(
44              getPath("InputXpathEmptyCatchBlockOne.java"));
45  
46          final DefaultConfiguration moduleConfig = createModuleConfig(CLAZZ);
47  
48          final String[] expectedViolation = {
49              "8:38: " + getCheckMessage(CLAZZ, EmptyCatchBlockCheck.MSG_KEY_CATCH_BLOCK_EMPTY),
50          };
51  
52          final List<String> expectedXpathQueries = Collections.singletonList(
53              "/COMPILATION_UNIT/CLASS_DEF"
54                  + "[./IDENT[@text='InputXpathEmptyCatchBlockOne']]"
55                  + "/OBJBLOCK/METHOD_DEF[./IDENT[@text='main']]"
56                  + "/SLIST/LITERAL_TRY/LITERAL_CATCH/SLIST"
57          );
58  
59          runVerifications(moduleConfig, fileToProcess, expectedViolation, expectedXpathQueries);
60      }
61  
62      @Test
63      public void testTwo() throws Exception {
64          final File fileToProcess = new File(
65              getPath("InputXpathEmptyCatchBlockTwo.java"));
66  
67          final DefaultConfiguration moduleConfig = createModuleConfig(CLAZZ);
68  
69          final String[] expectedViolation = {
70              "8:47: " + getCheckMessage(CLAZZ, EmptyCatchBlockCheck.MSG_KEY_CATCH_BLOCK_EMPTY),
71          };
72  
73          final List<String> expectedXpathQueries = Collections.singletonList(
74              "/COMPILATION_UNIT/CLASS_DEF"
75                  + "[./IDENT[@text='InputXpathEmptyCatchBlockTwo']]"
76                  + "/OBJBLOCK/METHOD_DEF[./IDENT[@text='main']]"
77                  + "/SLIST/LITERAL_TRY/LITERAL_CATCH/SLIST"
78          );
79  
80          runVerifications(moduleConfig, fileToProcess, expectedViolation, expectedXpathQueries);
81      }
82  
83  }