View Javadoc
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.coding;
21  
22  import java.io.File;
23  import java.util.Collections;
24  import java.util.List;
25  
26  import org.checkstyle.suppressionxpathfilter.AbstractXpathTestSupport;
27  import org.junit.jupiter.api.Test;
28  
29  import com.puppycrawl.tools.checkstyle.DefaultConfiguration;
30  import com.puppycrawl.tools.checkstyle.checks.coding.EmptyStatementCheck;
31  
32  public class XpathRegressionEmptyStatementTest extends AbstractXpathTestSupport {
33  
34      private final String checkName = EmptyStatementCheck.class.getSimpleName();
35  
36      @Override
37      protected String getCheckName() {
38          return checkName;
39      }
40  
41      @Override
42      protected String getPackageLocation() {
43          return "org/checkstyle/suppressionxpathfilter/coding/emptystatement";
44      }
45  
46      @Test
47      public void testForLoopEmptyStatement() throws Exception {
48          final File fileToProcess =
49                  new File(getPath("InputXpathEmptyStatementLoops.java"));
50          final DefaultConfiguration moduleConfig =
51                  createModuleConfig(EmptyStatementCheck.class);
52          final String[] expectedViolation = {
53              "5:36: " + getCheckMessage(EmptyStatementCheck.class, EmptyStatementCheck.MSG_KEY),
54          };
55          final List<String> expectedXpathQueries = Collections.singletonList(
56                  "/COMPILATION_UNIT"
57                          + "/CLASS_DEF[./IDENT[@text='InputXpathEmptyStatementLoops']]"
58                          + "/OBJBLOCK/METHOD_DEF[./IDENT[@text='foo']]"
59                          + "/SLIST/LITERAL_FOR/EMPTY_STAT"
60          );
61          runVerifications(moduleConfig, fileToProcess, expectedViolation,
62                  expectedXpathQueries);
63      }
64  
65      @Test
66      public void testIfBlockEmptyStatement() throws Exception {
67          final File fileToProcess =
68                  new File(getPath("InputXpathEmptyStatementConditionals.java"));
69          final DefaultConfiguration moduleConfig =
70                  createModuleConfig(EmptyStatementCheck.class);
71          final String[] expectedViolation = {
72              "6:19: " + getCheckMessage(EmptyStatementCheck.class, EmptyStatementCheck.MSG_KEY),
73          };
74          final List<String> expectedXpathQueries = Collections.singletonList(
75                  "/COMPILATION_UNIT"
76                          + "/CLASS_DEF[./IDENT[@text='InputXpathEmptyStatementConditionals']]"
77                          + "/OBJBLOCK/METHOD_DEF[./IDENT[@text='foo']]"
78                          + "/SLIST/LITERAL_IF/EMPTY_STAT"
79          );
80          runVerifications(moduleConfig, fileToProcess, expectedViolation,
81                  expectedXpathQueries);
82      }
83  }