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20 package com.puppycrawl.tools.checkstyle.checks.naming;
21
22 import static com.puppycrawl.tools.checkstyle.checks.naming.AbstractNameCheck.MSG_INVALID_PATTERN;
23
24 import org.junit.jupiter.api.Test;
25
26 import com.puppycrawl.tools.checkstyle.AbstractExamplesModuleTestSupport;
27
28 public class LocalVariableNameCheckExamplesTest extends AbstractExamplesModuleTestSupport {
29 @Override
30 protected String getPackageLocation() {
31 return "com/puppycrawl/tools/checkstyle/checks/naming/localvariablename";
32 }
33
34 @Test
35 public void testExample1() throws Exception {
36 final String pattern = "^([a-z][a-zA-Z0-9]*|_)$";
37 final String[] expected = {
38 "15:14: " + getCheckMessage(MSG_INVALID_PATTERN, "VAR", pattern),
39 "17:14: " + getCheckMessage(MSG_INVALID_PATTERN, "var_1", pattern),
40 };
41
42 verifyWithInlineConfigParser(getPath("Example1.java"), expected);
43 }
44
45 @Test
46 public void testExample2() throws Exception {
47 final String pattern = "^[a-z](_?[a-zA-Z0-9]+)*$";
48 final String[] expected = {
49 "17:14: " + getCheckMessage(MSG_INVALID_PATTERN, "VAR", pattern),
50 };
51
52 verifyWithInlineConfigParser(getPath("Example2.java"), expected);
53 }
54
55 @Test
56 public void testExample3() throws Exception {
57 final String pattern = "^[a-z](_?[a-zA-Z0-9]+)*$";
58 final String[] expected = {
59 "20:13: " + getCheckMessage(MSG_INVALID_PATTERN, "K", pattern),
60 "23:17: " + getCheckMessage(MSG_INVALID_PATTERN, "O", pattern),
61 };
62
63 verifyWithInlineConfigParser(getPath("Example3.java"), expected);
64 }
65
66 @Test
67 public void testExample4() throws Exception {
68 final String pattern = "^[a-z][_a-zA-Z0-9]+$";
69 final String[] expected = {
70 "21:9: " + getCheckMessage(MSG_INVALID_PATTERN, "g", pattern),
71 "23:11: " + getCheckMessage(MSG_INVALID_PATTERN, "a", pattern),
72 "26:11: " + getCheckMessage(MSG_INVALID_PATTERN, "I", pattern),
73 "30:14: " + getCheckMessage(MSG_INVALID_PATTERN, "a", pattern),
74 "33:14: " + getCheckMessage(MSG_INVALID_PATTERN, "A", pattern),
75 };
76
77 verifyWithInlineConfigParser(getPath("Example4.java"), expected);
78 }
79
80 @Test
81 public void testExample5() throws Exception {
82 final String pattern = "^[a-z][_a-zA-Z0-9]{2,}$";
83 final String[] expected = {
84 "17:9: " + getCheckMessage(MSG_INVALID_PATTERN, "i", pattern),
85 "19:11: " + getCheckMessage(MSG_INVALID_PATTERN, "j", pattern),
86 };
87
88 verifyWithInlineConfigParser(getPath("Example5.java"), expected);
89 }
90 }
91