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 BridgeShouldHaveNoInteriorAnnotationsTest !!!
 75     static class OutputExpectedOnceHolder {
 76         public String[] outputs = {
 77             "0: #118(): CAST, offset=1, type_index=0, location=[TYPE_ARGUMENT(0)]",
 78             "1: #118(): LOCAL_VARIABLE, {start_pc=2, length=2, index=1}, location=[TYPE_ARGUMENT(0)]",
 79         };
 80     }
 81 
 82     static class OutputExpectedTwiceHolder {
 83         public String[] outputs = {
 84             "0: #118(): 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 }