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.RuleSetNotFoundException;
6   import test.net.sourceforge.pmd.testframework.SimpleAggregatorTst;
7   import test.net.sourceforge.pmd.testframework.TestDescriptor;
8   
9   public class ClassCastExceptionWithToArrayTest extends SimpleAggregatorTst {
10  
11      private Rule rule;
12  
13      public void setUp() throws RuleSetNotFoundException {
14          rule = findRule("basic", "ClassCastExceptionWithToArray");
15      }
16  
17      public void testAll() {
18          runTests(new TestDescriptor[]{
19              new TestDescriptor(TEST1, "bad, toArray() with cast", 1, rule),
20              new TestDescriptor(TEST2, "ok, no cast", 0, rule),
21          });
22      }
23  
24      private static final String TEST1 =
25              "public class Foo {" + PMD.EOL +
26              " void bar() {" + PMD.EOL +
27              "  Collection c = new ArrayList();" + PMD.EOL +
28              "  c.add(new Integer(1));" + PMD.EOL +
29              "  Integer[] a=(Integer [])c.toArray();" + PMD.EOL +
30              " }" + PMD.EOL +
31              "}";
32  
33      private static final String TEST2 =
34              "public class Foo {" + PMD.EOL +
35              " void bar() {" + PMD.EOL +
36              "  Collection c = new ArrayList();" + PMD.EOL +
37              "  c.add(new Integer(1));" + PMD.EOL +
38              "  Integer[] a = (Integer [])c.toArray(new Integer[c.size()]);;" + PMD.EOL +
39              " }" + PMD.EOL +
40              "}";
41  }