BridgeShouldHaveNoInteriorAnnotationsTest.java revision 3529:a8fdbd799e42 
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
37import java.nio.file.Path;
38import java.nio.file.Paths;
39import java.lang.annotation.ElementType;
40import java.lang.annotation.Target;
41
42import toolbox.JavapTask;
43import toolbox.Task;
44import toolbox.ToolBox;
45
46class Pair_8160928<T1, T2> {
47}
48
49public 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}
111