jdk8-mips64-public/hotspot: test/compiler/8015436/Test8015436.java@fe00365c8f31

8015436: compiler/ciReplay/TestSA.sh fails with assert() index is out of bounds
Summary: The InstanceKlass _initial_method_idnum value must be adjusted if overpass methods are added.
Reviewed-by: twisti, kvn
Contributed-by: serguei.spitsyn@oracle.com

     1 /*

     2  * Copyright (c) 2013, 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  */

    24 /*

    25  * @test

    26  * @bug 8015436

    27  * @summary the IK _initial_method_idnum value must be adjusted if overpass methods are added

    28  * @run main Test8015436

    29  *

    30  */

    32 /*

    33  * The test checks that a MemberName for the defaultMethod() is cached in

    34  * the class MemberNameTable without a crash in the VM fastdebug mode.

    35  * The original issue was that the InstanceKlass _initial_method_idnum was

    36  * not adjusted properly when the overpass methods are added to the class.

    37  * The expected/correct behavior: The test does not crash nor throw any exceptions.

    38  * All the invocations of the defaultMethod() must be completed successfully.

    39  */

    41 import java.lang.invoke.*;

    43 interface InterfaceWithDefaultMethod {

    44     public void someMethod();

    46     default public void defaultMethod(String str){

    47         System.out.println("defaultMethod() " + str);

    48     }

    49 }

    51 class Test8015436 implements InterfaceWithDefaultMethod {

    52     @Override

    53     public void someMethod() {

    54         System.out.println("someMethod() invoked");

    55     }

    57     public static void main(String[] args) throws Throwable {

    58         Test8015436 testObj = new Test8015436();

    59         testObj.someMethod();

    60         testObj.defaultMethod("invoked directly");

    62         MethodHandles.Lookup lookup = MethodHandles.lookup();

    63         MethodType   mt = MethodType.methodType(void.class, String.class);

    64         MethodHandle mh = lookup.findVirtual(Test8015436.class, "defaultMethod", mt);

    65         mh.invokeExact(testObj, "invoked via a MethodHandle");

    66     }

    67 }

    69 /*

    70  * A successful execution gives the output:

    71  *   someMethod() invoked

    72  *   defaultMethod() invoked directly

    73  *   defaultMethod() invoked via a MethodHandle

    74  */

Mercurial > jdk8-mips64-public > hotspot / file revision

test/compiler/8015436/Test8015436.java@fe00365c8f31

test/compiler/8015436/Test8015436.java