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.rules.UnusedImportsRule;
8   import test.net.sourceforge.pmd.testframework.SimpleAggregatorTst;
9   import test.net.sourceforge.pmd.testframework.TestDescriptor;
10  
11  public class UnusedImportsRuleTest extends SimpleAggregatorTst {
12  
13      private UnusedImportsRule rule;
14  
15      public void setUp() {
16          rule = new UnusedImportsRule();
17          rule.setMessage("Avoid this stuff -> ''{0}''");
18      }
19  
20      public void testAll() {
21         runTests(new TestDescriptor[] {
22             new TestDescriptor(TEST1, "simple unused single type import", 1, rule),
23             new TestDescriptor(TEST2, "one used single type import", 0, rule),
24             new TestDescriptor(TEST3, "2 unused single-type imports", 2, rule),
25             new TestDescriptor(TEST4, "1 used single type import", 0, rule),
26             new TestDescriptor(TEST5, "1 import stmt, used only in throws clause", 0, rule)
27         });
28      }
29  
30      private static final String TEST1 =
31      "import java.io.File;" + PMD.EOL +
32      "public class Foo {}";
33  
34      private static final String TEST2 =
35      "import java.io.File;" + PMD.EOL +
36      "public class Foo {" + PMD.EOL +
37      " private File file;" + PMD.EOL +
38      "}";
39  
40      private static final String TEST3 =
41      "import java.io.File;" + PMD.EOL +
42      "import java.util.List;" + PMD.EOL +
43      "public class Foo {" + PMD.EOL +
44      "}";
45  
46      private static final String TEST4 =
47      "import java.security.AccessController;" + PMD.EOL +
48      "public class Foo {" + PMD.EOL +
49      " public void foo() {" + PMD.EOL +
50      "  AccessController.doPrivileged(null);" + PMD.EOL +
51      " }" + PMD.EOL +
52      "}";
53  
54      private static final String TEST5 =
55      "import java.rmi.RemoteException;" + PMD.EOL +
56      "public class Foo {" + PMD.EOL +
57      " public void foo() throws RemoteException {}" + PMD.EOL +
58      "}";
59  
60  
61  }