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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 com.puppycrawl.tools.checkstyle.checks.design;
21  
22  import static com.google.common.truth.Truth.assertWithMessage;
23  import static com.puppycrawl.tools.checkstyle.checks.design.InterfaceIsTypeCheck.MSG_KEY;
24  
25  import org.junit.jupiter.api.Test;
26  
27  import com.puppycrawl.tools.checkstyle.AbstractModuleTestSupport;
28  import com.puppycrawl.tools.checkstyle.api.TokenTypes;
29  
30  public class InterfaceIsTypeCheckTest
31      extends AbstractModuleTestSupport {
32  
33      @Override
34      protected String getPackageLocation() {
35          return "com/puppycrawl/tools/checkstyle/checks/design/interfaceistype";
36      }
37  
38      @Test
39      public void testDefault()
40              throws Exception {
41          final String[] expected = {
42              "28:5: " + getCheckMessage(MSG_KEY),
43          };
44          verifyWithInlineConfigParser(
45                  getPath("InputInterfaceIsType.java"), expected);
46      }
47  
48      @Test
49      public void testAllowMarker()
50              throws Exception {
51          final String[] expected = {
52              "23:5: " + getCheckMessage(MSG_KEY),
53              "28:5: " + getCheckMessage(MSG_KEY),
54          };
55          verifyWithInlineConfigParser(
56                  getPath("InputInterfaceIsTypeAllowMarker.java"), expected);
57      }
58  
59      @Test
60      public void testGetAcceptableTokens() {
61          final InterfaceIsTypeCheck obj = new InterfaceIsTypeCheck();
62          final int[] expected = {TokenTypes.INTERFACE_DEF};
63          assertWithMessage("Default acceptable tokens are invalid")
64              .that(obj.getAcceptableTokens())
65              .isEqualTo(expected);
66      }
67  
68      @Test
69      public void testGetRequiredTokens() {
70          final InterfaceIsTypeCheck obj = new InterfaceIsTypeCheck();
71          final int[] expected = {TokenTypes.INTERFACE_DEF};
72          assertWithMessage("Default required tokens are invalid")
73              .that(obj.getRequiredTokens())
74              .isEqualTo(expected);
75      }
76  
77  }