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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) 2001-2025 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 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.NestedIfDepthCheck.MSG_KEY;
24  
25  import org.junit.jupiter.api.Test;
26  
27  import com.puppycrawl.tools.checkstyle.AbstractModuleTestSupport;
28  import com.puppycrawl.tools.checkstyle.utils.CommonUtil;
29  
30  public class NestedIfDepthCheckTest extends AbstractModuleTestSupport {
31  
32      @Override
33      protected String getPackageLocation() {
34          return "com/puppycrawl/tools/checkstyle/checks/coding/nestedifdepth";
35      }
36  
37      @Test
38      public void testDefault() throws Exception {
39  
40          final String[] expected = {
41              "26:17: " + getCheckMessage(MSG_KEY, 2, 1),
42              "52:17: " + getCheckMessage(MSG_KEY, 2, 1),
43              "77:17: " + getCheckMessage(MSG_KEY, 2, 1),
44              "102:18: " + getCheckMessage(MSG_KEY, 2, 1),
45              "107:18: " + getCheckMessage(MSG_KEY, 2, 1),
46          };
47  
48          verifyWithInlineConfigParser(
49                  getPath("InputNestedIfDepthDefault.java"), expected);
50      }
51  
52      @Test
53      public void testCustomizedDepth() throws Exception {
54  
55          final String[] expected = CommonUtil.EMPTY_STRING_ARRAY;
56  
57          verifyWithInlineConfigParser(
58                  getPath("InputNestedIfDepthMax.java"), expected);
59      }
60  
61      @Test
62      public void testInsideCaseBody() throws Exception {
63  
64          final String[] expected = {
65              "18:25: " + getCheckMessage(MSG_KEY, 2, 1),
66          };
67  
68          verifyWithInlineConfigParser(
69                  getNonCompilablePath("InputNestedIfDepthInsideCaseBody.java"), expected);
70      }
71  
72      @Test
73      public void testTokensNotNull() {
74          final NestedIfDepthCheck check = new NestedIfDepthCheck();
75          assertWithMessage("Acceptable tokens should not be null")
76              .that(check.getAcceptableTokens())
77              .isNotNull();
78          assertWithMessage("Default tokens should not be null")
79              .that(check.getDefaultTokens())
80              .isNotNull();
81          assertWithMessage("Required tokens should not be null")
82              .that(check.getRequiredTokens())
83              .isNotNull();
84      }
85  
86  }