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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.regexp;
21  
22  import org.junit.jupiter.api.Test;
23  
24  import com.puppycrawl.tools.checkstyle.AbstractExamplesModuleTestSupport;
25  
26  public class RegexpCheckExamplesTest extends AbstractExamplesModuleTestSupport {
27      @Override
28      public String getPackageLocation() {
29          return "com/puppycrawl/tools/checkstyle/checks/regexp/regexp";
30      }
31  
32      @Test
33      public void testExample0() throws Exception {
34          final String[] expected = {
35  
36          };
37  
38          verifyWithInlineConfigParser(getPath("Example0.java"), expected);
39      }
40  
41      @Test
42      public void testExample1() throws Exception {
43          final String[] expected = {};
44  
45          verifyWithInlineConfigParser(getPath("Example1.java"), expected);
46      }
47  
48      @Test
49      public void testExample2() throws Exception {
50          final String[] expected = {
51              "1: Required pattern '// This code is copyrighted\\.' missing in file.",
52          };
53  
54          verifyWithInlineConfigParser(getPath("Example2.java"), expected);
55      }
56  
57      @Test
58      public void testExample3() throws Exception {
59          final String[] expected = {
60  
61          };
62  
63          verifyWithInlineConfigParser(getPath("Example3.java"), expected);
64      }
65  
66      @Test
67      public void testExample4() throws Exception {
68          final String[] expected = {
69              "20: Found duplicate pattern '// This code is copyrighted\\n// \\(c\\) MyCompany'.",
70          };
71  
72          verifyWithInlineConfigParser(getPath("Example4.java"), expected);
73      }
74  
75      @Test
76      public void testExample5() throws Exception {
77          final String[] expected = {
78              "1: Required pattern 'Copyright' missing in file.",
79          };
80  
81          verifyWithInlineConfigParser(getPath("Example5.java"), expected);
82      }
83  
84      @Test
85      public void testExample6() throws Exception {
86          final String[] expected = {
87              "23: Line matches the illegal pattern 'System\\.out\\.println'.",
88              "24: Line matches the illegal pattern 'System\\.out\\.println'.",
89          };
90  
91          verifyWithInlineConfigParser(getPath("Example6.java"), expected);
92      }
93  
94      @Test
95      public void testExample7() throws Exception {
96          final String[] expected = {
97              "24: Line matches the illegal pattern 'System\\.out\\.println'.",
98          };
99  
100         verifyWithInlineConfigParser(getPath("Example7.java"), expected);
101     }
102 
103     @Test
104     public void testExample8() throws Exception {
105         final String[] expected = {
106             "17: Line matches the illegal pattern 'Trailing whitespace'.",
107         };
108 
109         verifyWithInlineConfigParser(getPath("Example8.java"), expected);
110     }
111 
112     @Test
113     public void testExample9() throws Exception {
114         final String[] expected = {
115             "17: Line matches the illegal pattern '(?i)fix me\\.'.",
116         };
117 
118         verifyWithInlineConfigParser(getPath("Example9.java"), expected);
119     }
120 
121     @Test
122     public void testExample10() throws Exception {
123         final String[] expected = {
124             "26: Line matches the illegal pattern"
125                 + " 'The error limit has been exceeded, the check is aborting,"
126                 + " there may be more unreported errors.(?i)fix me\\.'.",
127         };
128 
129         verifyWithInlineConfigParser(getPath("Example10.java"), expected);
130     }
131 
132     @Test
133     public void testExample11() throws Exception {
134         final String[] expected = {
135 
136         };
137 
138         verifyWithInlineConfigParser(getPath("Example11.java"), expected);
139     }
140 }