1 /*

     2  * Copyright (c) 2018, 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 8211065

    27  * @summary Test that deleting a subclass method implementation results in

    28  * execution of a superclass implementation - if it is accessible.

    29  * @compile TestDeletedMethod.java

    30  * @compile TestDeletedMethod_Sub.jcod TestDeletedMethod_Super.jcod

    31  * @run main/othervm -XX:+RelaxAccessControlCheck TestDeletedMethod

    32  */

    33 

    34 // The access control relaxation was originally done to ensure an assertion

    35 // in the nestmate logic would not trigger unintentionally because it

    36 // assumed only nestmates could be involved. The assertion no longer exists

    37 // but we keep the test as a non-nestmate version of the situation.

    38 

    39 /* package */ class TestDeletedMethod_Super {

    40     public static final int ID = 2;

    41     private static int m() {

    42         System.out.println("Super.m");

    43         return ID;

    44     }

    45 }

    46 

    47 /* package */ class TestDeletedMethod_Sub extends TestDeletedMethod_Super {

    48     public static final int ID = 1;

    49     // At runtime this implementation is not present

    50     private static int m() {

    51         System.out.println("Sub.m");

    52         return ID;

    53     }

    54     public static int test() {

    55         return TestDeletedMethod_Sub.m();

    56     }

    57 }

    58 

    59 public class TestDeletedMethod {

    60     public static void main(String[] args) {

    61         int x = TestDeletedMethod_Sub.test();

    62         if (x != TestDeletedMethod_Super.ID)

    63             throw new RuntimeException("Wrong method invoked: " + x);

    64     }

    65 }