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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.Arrays;
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.AvoidDoubleBraceInitializationCheck;
30  
31  public class XpathRegressionAvoidDoubleBraceInitializationTest extends AbstractXpathTestSupport {
32  
33      private final Class<AvoidDoubleBraceInitializationCheck> clazz =
34          AvoidDoubleBraceInitializationCheck.class;
35  
36      @Override
37      protected String getCheckName() {
38          return clazz.getSimpleName();
39      }
40  
41      @Test
42      public void testClassFields() throws Exception {
43          final File fileToProcess = new File(
44              getPath("InputXpathAvoidDoubleBraceInitializationClassFields.java"));
45  
46          final DefaultConfiguration moduleConfig = createModuleConfig(clazz);
47  
48          final String[] expectedViolation = {
49              "6:41: " + getCheckMessage(clazz, AvoidDoubleBraceInitializationCheck.MSG_KEY),
50          };
51  
52          final List<String> expectedXpathQueries = Arrays.asList(
53              "/COMPILATION_UNIT/CLASS_DEF"
54                  + "[./IDENT[@text='InputXpathAvoidDoubleBraceInitializationClassFields']]"
55                  + "/OBJBLOCK/VARIABLE_DEF[./IDENT[@text='list']]/ASSIGN/EXPR/"
56                  + "LITERAL_NEW[./IDENT[@text='ArrayList']]/OBJBLOCK",
57              "/COMPILATION_UNIT/CLASS_DEF"
58                  + "[./IDENT[@text='InputXpathAvoidDoubleBraceInitializationClassFields']]"
59                  + "/OBJBLOCK/VARIABLE_DEF[./IDENT[@text='list']]/ASSIGN/EXPR/"
60                  + "LITERAL_NEW[./IDENT[@text='ArrayList']]/OBJBLOCK/LCURLY"
61          );
62  
63          runVerifications(moduleConfig, fileToProcess, expectedViolation, expectedXpathQueries);
64      }
65  
66      @Test
67      public void testMethodDef() throws Exception {
68          final File fileToProcess = new File(
69              getPath("InputXpathAvoidDoubleBraceInitializationMethodDef.java"));
70  
71          final DefaultConfiguration moduleConfig = createModuleConfig(clazz);
72  
73          final String[] expectedViolation = {
74              "7:31: " + getCheckMessage(clazz, AvoidDoubleBraceInitializationCheck.MSG_KEY),
75          };
76  
77          final List<String> expectedXpathQueries = Arrays.asList(
78              "/COMPILATION_UNIT/CLASS_DEF[./IDENT[@text="
79                      + "'InputXpathAvoidDoubleBraceInitializationMethodDef']]"
80                  + "/OBJBLOCK/METHOD_DEF[./IDENT[@text='test']]"
81                  + "/SLIST/EXPR/LITERAL_NEW[./IDENT[@text='HashSet']]"
82                  + "/OBJBLOCK",
83              "/COMPILATION_UNIT/CLASS_DEF[./IDENT[@text="
84                      + "'InputXpathAvoidDoubleBraceInitializationMethodDef']]"
85                  + "/OBJBLOCK/METHOD_DEF[./IDENT[@text='test']]"
86                  + "/SLIST/EXPR/LITERAL_NEW[./IDENT[@text='HashSet']]"
87                  + "/OBJBLOCK/LCURLY"
88          );
89  
90          runVerifications(moduleConfig, fileToProcess, expectedViolation, expectedXpathQueries);
91      }
92  
93  }