View Javadoc
1   ////////////////////////////////////////////////////////////////////////////////
2   // checkstyle: Checks Java source code for adherence to a set of rules.
3   // Copyright (C) 2001-2017 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.puppycrawl.tools.checkstyle.checks.coding.IllegalCatchCheck.MSG_KEY;
23  
24  import org.junit.Assert;
25  import org.junit.Test;
26  
27  import com.puppycrawl.tools.checkstyle.AbstractModuleTestSupport;
28  import com.puppycrawl.tools.checkstyle.DefaultConfiguration;
29  
30  public class IllegalCatchCheckTest extends AbstractModuleTestSupport {
31      @Override
32      protected String getPackageLocation() {
33          return "com/puppycrawl/tools/checkstyle/checks/coding/illegalcatch";
34      }
35  
36      @Test
37      public void testDefault() throws Exception {
38          final DefaultConfiguration checkConfig = createModuleConfig(IllegalCatchCheck.class);
39  
40          final String[] expected = {
41              "6:11: " + getCheckMessage(MSG_KEY, "RuntimeException"),
42              "7:11: " + getCheckMessage(MSG_KEY, "Exception"),
43              "8:11: " + getCheckMessage(MSG_KEY, "Throwable"),
44              "14:11: " + getCheckMessage(MSG_KEY, "java.lang.RuntimeException"),
45              "15:11: " + getCheckMessage(MSG_KEY, "java.lang.Exception"),
46              "16:11: " + getCheckMessage(MSG_KEY, "java.lang.Throwable"),
47          };
48  
49          verify(checkConfig, getPath("InputIllegalCatch.java"), expected);
50      }
51  
52      @Test
53      public void testIllegalClassNames() throws Exception {
54          final DefaultConfiguration checkConfig = createModuleConfig(IllegalCatchCheck.class);
55          checkConfig.addAttribute("illegalClassNames",
56                                   "java.lang.Error, java.lang.Exception, java.lang.Throwable");
57  
58          final String[] expected = {
59              "7:11: " + getCheckMessage(MSG_KEY, "Exception"),
60              "8:11: " + getCheckMessage(MSG_KEY, "Throwable"),
61              "15:11: " + getCheckMessage(MSG_KEY, "java.lang.Exception"),
62              "16:11: " + getCheckMessage(MSG_KEY, "java.lang.Throwable"),
63          };
64  
65          verify(checkConfig, getPath("InputIllegalCatch.java"), expected);
66      }
67  
68      @Test
69      public void testIllegalClassNamesBad() throws Exception {
70          final DefaultConfiguration checkConfig = createModuleConfig(IllegalCatchCheck.class);
71          checkConfig.addAttribute("illegalClassNames",
72                                   "java.lang.Error, java.lang.Exception, NullPointerException");
73  
74          // check that incorrect names don't break the Check
75          checkConfig.addAttribute("illegalClassNames",
76                  "java.lang.IOException.");
77  
78          final String[] expected = {
79              "7:11: " + getCheckMessage(MSG_KEY, "Exception"),
80              "15:11: " + getCheckMessage(MSG_KEY, "java.lang.Exception"),
81          };
82  
83          verify(checkConfig, getPath("InputIllegalCatch.java"), expected);
84      }
85  
86      @Test
87      public void testMultipleTypes() throws Exception {
88          final DefaultConfiguration checkConfig = createModuleConfig(IllegalCatchCheck.class);
89  
90          final String[] expected = {
91              "7:11: " + getCheckMessage(MSG_KEY, "RuntimeException"),
92              "10:11: " + getCheckMessage(MSG_KEY, "RuntimeException"),
93              "13:11: " + getCheckMessage(MSG_KEY, "RuntimeException"),
94              "16:11: " + getCheckMessage(MSG_KEY, "RuntimeException"),
95          };
96  
97          verify(checkConfig, getPath("InputIllegalCatch2.java"), expected);
98      }
99  
100     @Test
101     public void testTokensNotNull() {
102         final IllegalCatchCheck check = new IllegalCatchCheck();
103         Assert.assertNotNull("Acceptable tokens should not be null", check.getAcceptableTokens());
104         Assert.assertNotNull("Default tokens should not be null", check.getDefaultTokens());
105         Assert.assertNotNull("Required tokens should not be null", check.getRequiredTokens());
106     }
107 }