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.google.checkstyle.test.chapter4formatting.rule413emptyblocks;
21  
22  import org.junit.Test;
23  
24  import com.google.checkstyle.test.base.AbstractModuleTestSupport;
25  import com.puppycrawl.tools.checkstyle.api.Configuration;
26  import com.puppycrawl.tools.checkstyle.checks.blocks.EmptyCatchBlockCheck;
27  import com.puppycrawl.tools.checkstyle.utils.CommonUtils;
28  
29  public class EmptyCatchBlockTest extends AbstractModuleTestSupport {
30  
31      @Override
32      protected String getPackageLocation() {
33          return "com/google/checkstyle/test/chapter4formatting/rule413emptyblocks";
34      }
35  
36      @Test
37      public void testEmptyBlockCatch() throws Exception {
38  
39          final String[] expected = {
40              "28: " + getCheckMessage(EmptyCatchBlockCheck.class, "catch.block.empty"),
41              "49: " + getCheckMessage(EmptyCatchBlockCheck.class, "catch.block.empty"),
42              "71: " + getCheckMessage(EmptyCatchBlockCheck.class, "catch.block.empty"),
43              "79: " + getCheckMessage(EmptyCatchBlockCheck.class, "catch.block.empty"),
44              "83: " + getCheckMessage(EmptyCatchBlockCheck.class, "catch.block.empty"),
45          };
46  
47          final Configuration checkConfig = getModuleConfig("EmptyCatchBlock");
48          final String filePath = getPath("InputEmptyBlockCatch.java");
49  
50          final Integer[] warnList = getLinesWithWarn(filePath);
51          verify(checkConfig, filePath, expected, warnList);
52      }
53  
54      @Test
55      public void testNoViolations() throws Exception {
56  
57          final String[] expected = CommonUtils.EMPTY_STRING_ARRAY;
58  
59          final Configuration checkConfig = getModuleConfig("EmptyCatchBlock");
60          final String filePath = getPath("InputEmptyCatchBlockNoViolations.java");
61  
62          final Integer[] warnList = getLinesWithWarn(filePath);
63          verify(checkConfig, filePath, expected, warnList);
64      }
65  
66      @Test
67      public void testViolationsByComment() throws Exception {
68  
69          final String[] expected = {
70              "19: " + getCheckMessage(EmptyCatchBlockCheck.class, "catch.block.empty"),
71              "27: " + getCheckMessage(EmptyCatchBlockCheck.class, "catch.block.empty"),
72          };
73  
74          final Configuration checkConfig = getModuleConfig("EmptyCatchBlock");
75          final String filePath = getPath("InputEmptyCatchBlockViolationsByComment.java");
76  
77          final Integer[] warnList = getLinesWithWarn(filePath);
78          verify(checkConfig, filePath, expected, warnList);
79      }
80  
81      @Test
82      public void testViolationsByVariableName() throws Exception {
83          final String[] expected = {
84              "19: " + getCheckMessage(EmptyCatchBlockCheck.class, "catch.block.empty"),
85              "35: " + getCheckMessage(EmptyCatchBlockCheck.class, "catch.block.empty"),
86              "51: " + getCheckMessage(EmptyCatchBlockCheck.class, "catch.block.empty"),
87              "58: " + getCheckMessage(EmptyCatchBlockCheck.class, "catch.block.empty"),
88          };
89  
90          final Configuration checkConfig = getModuleConfig("EmptyCatchBlock");
91          final String filePath = getPath("InputEmptyCatchBlockViolationsByVariableName.java");
92  
93          final Integer[] warnList = getLinesWithWarn(filePath);
94          verify(checkConfig, filePath, expected, warnList);
95      }
96  }