1 /*

     2  * Copyright (c) 2009 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 import java.lang.annotation.*;

    25 import java.io.*;

    26 import java.net.URL;

    27 import java.util.List;

    28 

    29 import com.sun.tools.classfile.*;

    30 

    31 /*

    32  * @test Wildcards

    33  * @bug 6843077 8006775

    34  * @summary test that annotations target wildcards get emitted to classfile

    35  */

    36 public class Wildcards extends ClassfileTestHelper {

    37     public static void main(String[] args) throws Exception {

    38         new Wildcards().run();

    39     }

    40 

    41     public void run() throws Exception {

    42         expected_tinvisibles = 3;

    43         expected_tvisibles = 0;

    44 

    45         ClassFile cf = getClassFile("Wildcards$Test.class");

    46         test(cf);

    47         for (Field f : cf.fields) {

    48             test(cf, f);

    49         }

    50         for (Method m: cf.methods) {

    51             test(cf, m);

    52         }

    53 

    54         countAnnotations();

    55 

    56         if (errors > 0)

    57             throw new Exception(errors + " errors found");

    58         System.out.println("PASSED");

    59     }

    60 

    61     /*********************** Test class *************************/

    62     static class Test {

    63         @Target({ElementType.TYPE_USE, ElementType.TYPE_PARAMETER})

    64         @interface A {}

    65 

    66         List<? extends @A Number> f;

    67 

    68         List<? extends @A Object> test(List<? extends @A Number> p) {

    69             List<? extends @A Object> l;  // not counted... gets optimized away

    70             return null;

    71         }

    72     }

    73 }