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 test.net.sourceforge.pmd.testframework.SimpleAggregatorTst;
9   import test.net.sourceforge.pmd.testframework.TestDescriptor;
10  
11  public class AvoidDeeplyNestedIfStmtsRuleTest extends SimpleAggregatorTst {
12  
13      private Rule rule;
14  
15      public void setUp() {
16          rule = findRule("design", "AvoidDeeplyNestedIfStmts");
17          rule.addProperty("problemDepth", "3");
18      }
19  
20      public void testAll() {
21          runTests(new TestDescriptor[]{
22              new TestDescriptor(TEST1, "Bad, very deep", 1, rule),
23              new TestDescriptor(TEST2, "OK, not so deep", 0, rule),
24          });
25      }
26  
27      public static final String TEST1 =
28              "public class Foo {" + PMD.EOL +
29              " public void bar() { " + PMD.EOL +
30              "  int x=2; " + PMD.EOL +
31              "  int y=3; " + PMD.EOL +
32              "  int z=4; " + PMD.EOL +
33              "  if (x>y) { " + PMD.EOL +
34              "   if (y>z) { " + PMD.EOL +
35              "    if (z==x) { " + PMD.EOL +
36              "     // this is officially out of control now " + PMD.EOL +
37              "    } " + PMD.EOL +
38              "   } " + PMD.EOL +
39              "  }" + PMD.EOL +
40              " }" + PMD.EOL +
41              "}";
42  
43      public static final String TEST2 =
44              "public class Foo {" + PMD.EOL +
45              " public void bar() { " + PMD.EOL +
46              "  if (true) {" + PMD.EOL +
47              "  } else if (true) {" + PMD.EOL +
48              "  } else if (true) {" + PMD.EOL +
49              "  } else {" + PMD.EOL +
50              "    // this ain't good code, but it shouldn't trigger this rule" + PMD.EOL +
51              "  }" + PMD.EOL +
52              " }" + PMD.EOL +
53              "}";
54  
55  }