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 }