1 /***
2 * BSD-style license; for more info see http://pmd.sourceforge.net/license.html
3 */
4 package test.net.sourceforge.pmd.rules;
5
6 import net.sourceforge.pmd.PMD;
7 import net.sourceforge.pmd.Rule;
8 import net.sourceforge.pmd.rules.XPathRule;
9 import test.net.sourceforge.pmd.testframework.SimpleAggregatorTst;
10 import test.net.sourceforge.pmd.testframework.TestDescriptor;
11
12 public class ReturnFromFinallyBlockTest extends SimpleAggregatorTst {
13
14 private Rule rule;
15
16 public void setUp() {
17 rule = new XPathRule();
18 rule.addProperty("xpath", "//TryStatement[@Finally='true']/Block[position() = last()]//ReturnStatement");
19 }
20
21 public void testAll() {
22 runTests(new TestDescriptor[] {
23 new TestDescriptor(TEST1, "throw exception but return from finally", 1, rule),
24 new TestDescriptor(TEST2, "lots of returns", 1, rule),
25 new TestDescriptor(TEST3, "ok", 0, rule),
26 });
27 }
28 private static final String TEST1 =
29 "public class ReturnFromFinallyBlock1 {" + PMD.EOL +
30 " public String bugga() {" + PMD.EOL +
31 " try {" + PMD.EOL +
32 " throw new Exception( \"My Exception\" );" + PMD.EOL +
33 " } catch (Exception e) {" + PMD.EOL +
34 " throw e;" + PMD.EOL +
35 " } finally {" + PMD.EOL +
36 " return \"A. O. K.\"; // Very bad." + PMD.EOL +
37 " }" + PMD.EOL +
38 " }" + PMD.EOL +
39 "}";
40
41 private static final String TEST2 =
42 "public class ReturnFromFinallyBlock2 {" + PMD.EOL +
43 " public String getBar() {" + PMD.EOL +
44 " try {" + PMD.EOL +
45 " return \"buz\";" + PMD.EOL +
46 " } catch (Exception e) {" + PMD.EOL +
47 " return \"biz\";" + PMD.EOL +
48 " } finally {" + PMD.EOL +
49 " return \"fiddle!\"; // bad!" + PMD.EOL +
50 " }" + PMD.EOL +
51 " }" + PMD.EOL +
52 "}";
53
54 private static final String TEST3 =
55 "public class ReturnFromFinallyBlock3 {" + PMD.EOL +
56 " public String getBar() {" + PMD.EOL +
57 " try {" + PMD.EOL +
58 " return \"buz\";" + PMD.EOL +
59 " } finally {" + PMD.EOL +
60 " }" + PMD.EOL +
61 " }" + PMD.EOL +
62 "}";
63
64 }
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