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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.coding.EmptyStatementCheck;
30  
31  public class XpathRegressionEmptyStatementTest extends AbstractXpathTestSupport {
32  
33      private final String checkName = EmptyStatementCheck.class.getSimpleName();
34  
35      @Override
36      protected String getCheckName() {
37          return checkName;
38      }
39  
40      @Test
41      public void testForLoopEmptyStatement() throws Exception {
42          final File fileToProcess =
43                  new File(getPath("InputXpathEmptyStatementLoops.java"));
44          final DefaultConfiguration moduleConfig =
45                  createModuleConfig(EmptyStatementCheck.class);
46          final String[] expectedViolation = {
47              "5:36: " + getCheckMessage(EmptyStatementCheck.class, EmptyStatementCheck.MSG_KEY),
48          };
49          final List<String> expectedXpathQueries = Collections.singletonList(
50                  "/COMPILATION_UNIT"
51                          + "/CLASS_DEF[./IDENT[@text='InputXpathEmptyStatementLoops']]"
52                          + "/OBJBLOCK/METHOD_DEF[./IDENT[@text='foo']]"
53                          + "/SLIST/LITERAL_FOR/EMPTY_STAT"
54          );
55          runVerifications(moduleConfig, fileToProcess, expectedViolation,
56                  expectedXpathQueries);
57      }
58  
59      @Test
60      public void testIfBlockEmptyStatement() throws Exception {
61          final File fileToProcess =
62                  new File(getPath("InputXpathEmptyStatementConditionals.java"));
63          final DefaultConfiguration moduleConfig =
64                  createModuleConfig(EmptyStatementCheck.class);
65          final String[] expectedViolation = {
66              "6:19: " + getCheckMessage(EmptyStatementCheck.class, EmptyStatementCheck.MSG_KEY),
67          };
68          final List<String> expectedXpathQueries = Collections.singletonList(
69                  "/COMPILATION_UNIT"
70                          + "/CLASS_DEF[./IDENT[@text='InputXpathEmptyStatementConditionals']]"
71                          + "/OBJBLOCK/METHOD_DEF[./IDENT[@text='foo']]"
72                          + "/SLIST/LITERAL_IF/EMPTY_STAT"
73          );
74          runVerifications(moduleConfig, fileToProcess, expectedViolation,
75                  expectedXpathQueries);
76      }
77  }