1 package test.net.sourceforge.pmd.rules;
2
3 import net.sourceforge.pmd.PMD;
4 import net.sourceforge.pmd.Rule;
5 import net.sourceforge.pmd.rules.XPathRule;
6
7 public class AssignmentInOperandRuleTest extends RuleTst {
8
9 private static final String TEST1 =
10 "public class AssignmentInOperand1 {" + PMD.EOL +
11 " public void bar() {" + PMD.EOL +
12 " int x = 2;" + PMD.EOL +
13 " if ((x = getX()) == 3) {" + PMD.EOL +
14 " System.out.println(\"3!\");" + PMD.EOL +
15 " }" + PMD.EOL +
16 " }" + PMD.EOL +
17 " private int getX() {" + PMD.EOL +
18 " return 3;" + PMD.EOL +
19 " }" + PMD.EOL +
20 "}";
21
22 private static final String TEST2 =
23 "public class AssignmentInOperand2 {" + PMD.EOL +
24 " public void bar() {" + PMD.EOL +
25 " if (false) {}" + PMD.EOL +
26 " }" + PMD.EOL +
27 "}";
28
29 private static final String TEST3 =
30 "public class AssignmentInOperand3 {" + PMD.EOL +
31 " public void bar() {" + PMD.EOL +
32 " if (false) {" + PMD.EOL +
33 " int x =2;" + PMD.EOL +
34 " }" + PMD.EOL +
35 " }" + PMD.EOL +
36 "}";
37
38 private static final String TEST4 =
39 "public class AssignmentInOperand4 {" + PMD.EOL +
40 " public void bar() {" + PMD.EOL +
41 " int x = 2;" + PMD.EOL +
42 " while ( (x = getX()) != 0 ) {}" + PMD.EOL +
43 " }" + PMD.EOL +
44 " private int getX() {return 2;}" + PMD.EOL +
45 "}";
46
47
48 private Rule rule;
49
50 public void setUp() {
51 rule = new XPathRule();
52 rule.addProperty("xpath", "//*[name()='WhileStatement' or name()='IfStatement'][Expression//AssignmentOperator]");
53 }
54
55 public void testSimple() throws Throwable {
56 runTestFromString(TEST1, 1, rule);
57 }
58 public void testOK() throws Throwable {
59 runTestFromString(TEST2, 0, rule);
60 }
61 public void testAssignmentInIfBody() throws Throwable {
62 runTestFromString(TEST3, 0, rule);
63 }
64 public void testAssignmentInWhileLoop() throws Throwable {
65 runTestFromString(TEST4, 1, rule);
66 }
67 }
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