1 package test.net.sourceforge.pmd.rules.optimization;
2
3 import net.sourceforge.pmd.PMD;
4 import net.sourceforge.pmd.Rule;
5 import net.sourceforge.pmd.RuleSetNotFoundException;
6 import test.net.sourceforge.pmd.testframework.SimpleAggregatorTst;
7 import test.net.sourceforge.pmd.testframework.TestDescriptor;
8
9 public class BooleanInversionTest extends SimpleAggregatorTst {
10
11 private Rule rule;
12
13 public void setUp() throws RuleSetNotFoundException {
14 rule = findRule("controversial", "BooleanInversion");
15 }
16
17 public void testAll() {
18 runTests(new TestDescriptor[]{
19 new TestDescriptor(TEST1, "failure, unary assignment", 1, rule),
20 new TestDescriptor(TEST2, "pass, bitwise assignment", 0, rule),
21 new TestDescriptor(TEST3, "pass, not a straight unary inversion", 0, rule),
22 });
23 }
24
25 private static final String TEST1 =
26 "public class Foo {" + PMD.EOL +
27 " public void bar() {" + PMD.EOL +
28 " boolean b = false;" + PMD.EOL +
29 " boolean c = false;" + PMD.EOL +
30 " b = !c;" + PMD.EOL +
31 " }" + PMD.EOL +
32 "}";
33
34 private static final String TEST2 =
35 "public class Foo {" + PMD.EOL +
36 " public void bar() {" + PMD.EOL +
37 " boolean b = false;" + PMD.EOL +
38 " boolean c = false;" + PMD.EOL +
39 " b ^= c;" + PMD.EOL +
40 " }" + PMD.EOL +
41 "}";
42
43 private static final String TEST3 =
44 "public class Foo {" + PMD.EOL +
45 " public void bar() {" + PMD.EOL +
46 " boolean b = false;" + PMD.EOL +
47 " boolean c = false;" + PMD.EOL +
48 " b &= !c;" + PMD.EOL +
49 " }" + PMD.EOL +
50 "}";
51
52 }