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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) 2001-2024 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.EmptyBlockCheck;
30  
31  public class XpathRegressionEmptyBlockTest extends AbstractXpathTestSupport {
32      private final String checkName = EmptyBlockCheck.class.getSimpleName();
33  
34      @Override
35      protected String getCheckName() {
36          return checkName;
37      }
38  
39      @Test
40      public void testEmptyForLoopEmptyBlock() throws Exception {
41          final File fileToProcess =
42                  new File(getPath("InputXpathEmptyBlockEmpty.java"));
43          final DefaultConfiguration moduleConfig =
44                  createModuleConfig(EmptyBlockCheck.class);
45          moduleConfig.addProperty("option", "TEXT");
46          final String[] expectedViolation = {
47              "5:38: " + getCheckMessage(EmptyBlockCheck.class,
48                  EmptyBlockCheck.MSG_KEY_BLOCK_EMPTY, "for"),
49          };
50          final List<String> expectedXpathQueries = Collections.singletonList(
51                  "/COMPILATION_UNIT"
52                      + "/CLASS_DEF[./IDENT[@text='InputXpathEmptyBlockEmpty']]"
53                      + "/OBJBLOCK/METHOD_DEF[./IDENT[@text='emptyLoop']]"
54                      + "/SLIST/LITERAL_FOR/SLIST"
55          );
56          runVerifications(moduleConfig, fileToProcess, expectedViolation,
57                  expectedXpathQueries);
58      }
59  
60      @Test
61      public void testEmptyForLoopEmptyStatement() throws Exception {
62          final File fileToProcess =
63                  new File(getPath("InputXpathEmptyBlockEmpty.java"));
64          final DefaultConfiguration moduleConfig =
65                  createModuleConfig(EmptyBlockCheck.class);
66          final String[] expectedViolation = {
67              "5:38: " + getCheckMessage(EmptyBlockCheck.class,
68                  EmptyBlockCheck.MSG_KEY_BLOCK_NO_STATEMENT),
69          };
70          final List<String> expectedXpathQueries = Collections.singletonList(
71                  "/COMPILATION_UNIT"
72                          + "/CLASS_DEF[./IDENT[@text='InputXpathEmptyBlockEmpty']]"
73                          + "/OBJBLOCK/METHOD_DEF[./IDENT[@text='emptyLoop']]"
74                          + "/SLIST/LITERAL_FOR/SLIST"
75          );
76          runVerifications(moduleConfig, fileToProcess, expectedViolation,
77                  expectedXpathQueries);
78      }
79  
80  }