1 /*
   2  * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /**
  25  * @test
  26  * @compile Basic.java
  27  * @run testng p.Basic
  28  * @summary Basic test for java.lang.Class::getPackageName
  29  */
  30 
  31 package p;
  32 
  33 import org.testng.annotations.Test;
  34 import org.testng.annotations.DataProvider;
  35 import static org.testng.Assert.*;
  36 
  37 public class Basic {
  38 
  39 
  40     // -- member classes --
  41 
  42     static class Nested {
  43         static class Foo { }
  44     }
  45 
  46     Class<?> getNestedClass1() {
  47         return Nested.class;
  48     }
  49     Class<?> getNestedClass2() {
  50         return Nested.Foo.class;
  51     }
  52 
  53     class Inner {
  54         class Foo { }
  55     }
  56 
  57     Class<?> getInnerClass1() {
  58         return Inner.class;
  59     }
  60     Class<?> getInnerClass2() {
  61         return Inner.Foo.class;
  62     }
  63 
  64     // -- local and anonymous classes --
  65 
  66     Class<?> getLocalClass1() {
  67         class Local { }
  68         return Local.class;
  69     }
  70 
  71     Class<?> getLocalClass2() {
  72         class Local {
  73             class Foo { }
  74         }
  75         return Local.Foo.class;
  76     }
  77 
  78     Class<?> getLocalClass3() {
  79         class Local {
  80             final Class<?> c;
  81             Local() {
  82                 class Foo { }
  83                 this.c = Foo.class;
  84             }
  85             Class<?> get() {
  86                 return c;
  87             }
  88         }
  89         return new Local().get();
  90     }
  91 
  92     Class<?> getAnonymousClass1() {
  93         Runnable r = new Runnable() { public void run() { } };
  94         return r.getClass();
  95     }
  96 
  97     Class<?> getAnonymousClass2() {
  98         class Local {
  99             Class<?> get() {
 100                 Runnable r = new Runnable() { public void run() { } };
 101                 return r.getClass();
 102             }
 103         }
 104         return new Local().get();
 105     }
 106 
 107     Class<?> getAnonymousClass3() {
 108         Runnable r = () -> { };
 109         return r.getClass();
 110     }
 111 
 112     Class<?> getAnonymousClass4() {
 113         class Local {
 114             Class<?> get() {
 115                 Runnable r = () -> { };
 116                 return r.getClass();
 117             }
 118         }
 119         return new Local().get();
 120     }
 121 
 122     Class<?> getAnonymousClass5() {
 123         class Local {
 124             final Class<?> c;
 125             Local() {
 126                 Runnable r = new Runnable() { public void run() { } };
 127                 this.c = r.getClass();
 128             }
 129             Class<?> get() {
 130                 return c;
 131             }
 132         }
 133         return new Local().get();
 134     }
 135 
 136     Class<?> getAnonymousClass6() {
 137         class Local {
 138             final Class<?> c;
 139             Local() {
 140                 Runnable r = () -> { };
 141                 this.c = r.getClass();
 142             }
 143             Class<?> get() {
 144                 return c;
 145             }
 146         }
 147         return new Local().get();
 148     }
 149 
 150     static final String TEST_PACKAGE = Basic.class.getPackage().getName();
 151 
 152     @DataProvider(name = "classes")
 153     public Object[][] classes() {
 154         return new Object[][] {
 155 
 156             { Basic.class,                  TEST_PACKAGE },
 157             { Basic[].class,                TEST_PACKAGE },
 158             { Basic[][].class,              TEST_PACKAGE },
 159 
 160             { getNestedClass1(),            TEST_PACKAGE },
 161             { getNestedClass2(),            TEST_PACKAGE },
 162             { getInnerClass1(),             TEST_PACKAGE },
 163             { getInnerClass2(),             TEST_PACKAGE },
 164 
 165             { getLocalClass1(),             TEST_PACKAGE },
 166             { getLocalClass2(),             TEST_PACKAGE },
 167             { getLocalClass3(),             TEST_PACKAGE },
 168 
 169             { getAnonymousClass1(),         TEST_PACKAGE },
 170             { getAnonymousClass2(),         TEST_PACKAGE },
 171             { getAnonymousClass3(),         TEST_PACKAGE },
 172             { getAnonymousClass4(),         TEST_PACKAGE },
 173             { getAnonymousClass5(),         TEST_PACKAGE },
 174             { getAnonymousClass6(),         TEST_PACKAGE },
 175 
 176             { Object.class,                 "java.lang" },
 177             { Object[].class,               "java.lang" },
 178             { Object[][].class,             "java.lang" },
 179 
 180             { int.class,                    "java.lang" },
 181             { int[].class,                  "java.lang" },
 182             { int[][].class,                "java.lang" },
 183 
 184             { void.class,                   "java.lang" },
 185 
 186         };
 187     }
 188 
 189     @Test(dataProvider = "classes")
 190     public void testPackageName(Class<?> type, String expected) {
 191         assertEquals(type.getPackageName(), expected);
 192     }
 193 
 194 }