View Javadoc
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 com.puppycrawl.tools.checkstyle.checks.coding;
21  
22  import static com.google.common.truth.Truth.assertWithMessage;
23  import static com.puppycrawl.tools.checkstyle.checks.coding.SimplifyBooleanReturnCheck.MSG_KEY;
24  
25  import org.junit.jupiter.api.Test;
26  
27  import com.puppycrawl.tools.checkstyle.AbstractModuleTestSupport;
28  
29  public class SimplifyBooleanReturnCheckTest
30      extends AbstractModuleTestSupport {
31  
32      @Override
33      protected String getPackageLocation() {
34          return "com/puppycrawl/tools/checkstyle/checks/coding/simplifybooleanreturn";
35      }
36  
37      @Test
38      public void testIt() throws Exception {
39          final String[] expected = {
40              "22:9: " + getCheckMessage(MSG_KEY),
41              "35:9: " + getCheckMessage(MSG_KEY),
42          };
43          verifyWithInlineConfigParser(
44                  getPath("InputSimplifyBooleanReturn.java"), expected);
45      }
46  
47      @Test
48      public void testYield() throws Exception {
49          final String[] expected = {
50              "14:17: " + getCheckMessage(MSG_KEY),
51              "28:17: " + getCheckMessage(MSG_KEY),
52              "39:17: " + getCheckMessage(MSG_KEY),
53              "54:17: " + getCheckMessage(MSG_KEY),
54          };
55          verifyWithInlineConfigParser(
56                  getNonCompilablePath("InputSimplifyBooleanReturnWithYield.java"), expected);
57      }
58  
59      @Test
60      public void testTokensNotNull() {
61          final SimplifyBooleanReturnCheck check = new SimplifyBooleanReturnCheck();
62          assertWithMessage("Acceptable tokens should not be null")
63              .that(check.getAcceptableTokens())
64              .isNotNull();
65          assertWithMessage("Default tokens should not be null")
66              .that(check.getDefaultTokens())
67              .isNotNull();
68          assertWithMessage("Required tokens should not be null")
69              .that(check.getRequiredTokens())
70              .isNotNull();
71      }
72  
73  }