1 /*

     2  * Copyright (c) 2016, 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  * @bug 8160928

    27  * @summary javac incorrectly copies over interior type annotations to bridge method

    28  * @library /tools/lib

    29  * @modules jdk.compiler/com.sun.tools.javac.api

    30  *          jdk.compiler/com.sun.tools.javac.main

    31  *          jdk.jdeps/com.sun.tools.javap

    32  * @build toolbox.ToolBox toolbox.JavapTask

    33  * @run compile -g BridgeShouldHaveNoInteriorAnnotationsTest.java

    34  * @run main BridgeShouldHaveNoInteriorAnnotationsTest

    35  */

    36 

    37 import java.nio.file.Path;

    38 import java.nio.file.Paths;

    39 import java.lang.annotation.ElementType;

    40 import java.lang.annotation.Target;

    41 

    42 import toolbox.JavapTask;

    43 import toolbox.Task;

    44 import toolbox.ToolBox;

    45 

    46 class Pair_8160928<T1, T2> {

    47 }

    48 

    49 public class BridgeShouldHaveNoInteriorAnnotationsTest

    50                    implements java.util.Iterator<Pair_8160928<Object, Object>> {

    51 

    52     @Override

    53     public boolean hasNext() {

    54         throw new RuntimeException();

    55     }

    56 

    57     @Override

    58     public Pair_8160928<@NonNull Object, Object> next() {

    59         Comparable<@NonNull Object> cble1 = (Comparable<@NonNull Object>) null;

    60         return null;

    61     }

    62 

    63     @Override

    64     public void remove() {

    65         throw new UnsupportedOperationException();

    66     }

    67 

    68 

    69     @Target(ElementType.TYPE_USE)

    70     public @interface NonNull {

    71     };

    72 

    73 

    74     // Expected output can't be directly encoded into NestedLambdasCastedTest !!!

    75     static class OutputExpectedOnceHolder {

    76         public String[] outputs = {

    77             "0: #61(): CAST, offset=1, type_index=0, location=[TYPE_ARGUMENT(0)]",

    78             "1: #61(): LOCAL_VARIABLE, {start_pc=5, length=2, index=1}, location=[TYPE_ARGUMENT(0)]",

    79         };

    80     }

    81 

    82     static class OutputExpectedTwiceHolder {

    83         public String[] outputs = {

    84             "0: #61(): METHOD_RETURN, location=[TYPE_ARGUMENT(0)]",

    85         };

    86     }

    87 

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

    89         ToolBox tb = new ToolBox();

    90         Path classPath = Paths.get(ToolBox.testClasses, "BridgeShouldHaveNoInteriorAnnotationsTest.class");

    91         String javapOut = new JavapTask(tb)

    92                 .options("-v", "-p")

    93                 .classes(classPath.toString())

    94                 .run()

    95                 .getOutput(Task.OutputKind.DIRECT);

    96 

    97         OutputExpectedOnceHolder holder = new OutputExpectedOnceHolder();

    98         for (String s : holder.outputs) {

    99             String newOutput = javapOut.replace(s, "");

   100             if (((javapOut.length() - newOutput.length()) / s.length()) != 1)

   101                 throw new AssertionError("Interior annotations carried over to bridge ?");

   102         }

   103         OutputExpectedTwiceHolder holder2 = new OutputExpectedTwiceHolder();

   104         for (String s : holder2.outputs) {

   105             String newOutput = javapOut.replace(s, "");

   106             if (((javapOut.length() - newOutput.length()) / s.length()) != 2)

   107                 throw new AssertionError("Exterior annotations not properly carried over to bridge");

   108         }

   109     }

   110 }