1 /***
2 * BSD-style license; for more info see http://pmd.sourceforge.net/license.html
3 */
4 package test.net.sourceforge.pmd.rules.imports;
5
6 import net.sourceforge.pmd.PMD;
7 import net.sourceforge.pmd.Report;
8 import net.sourceforge.pmd.Rule;
9 import test.net.sourceforge.pmd.testframework.SimpleAggregatorTst;
10 import test.net.sourceforge.pmd.testframework.TestDescriptor;
11
12 public class UnusedImportsRuleTest extends SimpleAggregatorTst {
13
14 private Rule rule;
15
16 public void setUp() {
17 rule = findRule("imports", "UnusedImports");
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 public void testForLoop() throws Throwable {
31 Report rpt = new Report();
32 runTestFromString15(TEST6, rule, rpt);
33 assertEquals(0, rpt.size());
34 }
35
36 public void testGenerics() throws Throwable {
37 Report rpt = new Report();
38 runTestFromString15(TEST7, rule, rpt);
39 assertEquals(0, rpt.size());
40 }
41
42 public void testAnnotations() throws Throwable {
43 Report rpt = new Report();
44 runTestFromString15(TEST8, rule, rpt);
45 assertEquals(0, rpt.size());
46 }
47
48 public void testAnnotations2() throws Throwable {
49 Report rpt = new Report();
50 runTestFromString15(TEST9, rule, rpt);
51 assertEquals(0, rpt.size());
52 }
53
54 private static final String TEST1 =
55 "import java.io.File;" + PMD.EOL +
56 "public class Foo {}";
57
58 private static final String TEST2 =
59 "import java.io.File;" + PMD.EOL +
60 "public class Foo {" + PMD.EOL +
61 " private File file;" + PMD.EOL +
62 "}";
63
64 private static final String TEST3 =
65 "import java.io.File;" + PMD.EOL +
66 "import java.util.List;" + PMD.EOL +
67 "public class Foo {" + PMD.EOL +
68 "}";
69
70 private static final String TEST4 =
71 "import java.security.AccessController;" + PMD.EOL +
72 "public class Foo {" + PMD.EOL +
73 " public void foo() {" + PMD.EOL +
74 " AccessController.doPrivileged(null);" + PMD.EOL +
75 " }" + PMD.EOL +
76 "}";
77
78 private static final String TEST5 =
79 "import java.rmi.RemoteException;" + PMD.EOL +
80 "public class Foo {" + PMD.EOL +
81 " public void foo() throws RemoteException {}" + PMD.EOL +
82 "}";
83
84 private static final String TEST6 =
85 "import java.util.ArrayList;" + PMD.EOL +
86 "public class Foo {" + PMD.EOL +
87 " public void foo(ArrayList list) {" + PMD.EOL +
88 " for (String s : list) {}" + PMD.EOL +
89 " }" + PMD.EOL +
90 "}";
91
92 private static final String TEST7 =
93 "import foo.TestInterfaceTwo;" + PMD.EOL +
94 "public class Foo {" + PMD.EOL +
95 " private List<TestInterfaceTwo> x = new ArrayList<TestInterfaceTwo>();" + PMD.EOL +
96 "}";
97
98 private static final String TEST8 =
99 "import foo.annotation.Retention;" + PMD.EOL +
100 "import foo.annotation.RetentionPolicy;" + PMD.EOL +
101 "@Retention(RetentionPolicy.RUNTIME)" + PMD.EOL +
102 "public @interface Foo {" + PMD.EOL +
103 "}";
104
105 private static final String TEST9 =
106 "import foo.FooAnnotation1;" + PMD.EOL +
107 "import foo.FooAnnotation2;" + PMD.EOL +
108 "@FooAnnotation1" + PMD.EOL +
109 "@FooAnnotation2" + PMD.EOL +
110 "public class Foo {}";
111
112 }