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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) 2001-2026 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 com.puppycrawl.tools.checkstyle.checks.coding;
21  
22  import static com.puppycrawl.tools.checkstyle.checks.coding.UnnecessaryParenthesesCheck.MSG_ASSIGN;
23  import static com.puppycrawl.tools.checkstyle.checks.coding.UnnecessaryParenthesesCheck.MSG_EXPR;
24  import static com.puppycrawl.tools.checkstyle.checks.coding.UnnecessaryParenthesesCheck.MSG_IDENT;
25  import static com.puppycrawl.tools.checkstyle.checks.coding.UnnecessaryParenthesesCheck.MSG_LITERAL;
26  
27  import org.junit.jupiter.api.Test;
28  
29  import com.puppycrawl.tools.checkstyle.AbstractExamplesModuleTestSupport;
30  
31  public class UnnecessaryParenthesesCheckExamplesTest extends AbstractExamplesModuleTestSupport {
32  
33      @Override
34      public String getPackageLocation() {
35          return "com/puppycrawl/tools/checkstyle/checks/coding/unnecessaryparentheses";
36      }
37  
38      @Test
39      public void testExample1() throws Exception {
40          final String[] expected = {
41              "17:18: " + getCheckMessage(MSG_ASSIGN),
42              "19:13: " + getCheckMessage(MSG_IDENT, "square"),
43              "25:19: " + getCheckMessage(MSG_LITERAL, "0"),
44              "27:15: " + getCheckMessage(MSG_ASSIGN),
45              "28:20: " + getCheckMessage(MSG_ASSIGN),
46              "28:24: " + getCheckMessage(MSG_IDENT, "square"),
47          };
48          verifyWithInlineConfigParser(getPath("Example1.java"), expected);
49      }
50  
51      @Test
52      public void testExample2() throws Exception {
53          final String[] expected = {
54              "37:18: " + getCheckMessage(MSG_EXPR),
55              "44:19: " + getCheckMessage(MSG_EXPR),
56          };
57          verifyWithInlineConfigParser(getPath("Example2.java"), expected);
58      }
59  
60      @Test
61      public void testUseCase1() throws Exception {
62          final String[] expected = {
63              "17:13: " + getCheckMessage(MSG_EXPR),
64              "19:22: " + getCheckMessage(MSG_EXPR),
65          };
66          verifyWithInlineConfigParser(getPath("UseCase1.java"), expected);
67      }
68  
69  }