jdk-24/test/hotspot/jtreg/serviceability/jvmti/RedefineClasses/RedefineInterfaceCall.java
Alan Bateman 9583e3657e 8284161: Implementation of Virtual Threads (Preview)
Co-authored-by: Ron Pressler <rpressler@openjdk.org>
Co-authored-by: Alan Bateman <alanb@openjdk.org>
Co-authored-by: Erik Österlund <eosterlund@openjdk.org>
Co-authored-by: Andrew Haley <aph@openjdk.org>
Co-authored-by: Rickard Bäckman <rbackman@openjdk.org>
Co-authored-by: Markus Grönlund <mgronlun@openjdk.org>
Co-authored-by: Leonid Mesnik <lmesnik@openjdk.org>
Co-authored-by: Serguei Spitsyn <sspitsyn@openjdk.org>
Co-authored-by: Chris Plummer <cjplummer@openjdk.org>
Co-authored-by: Coleen Phillimore <coleenp@openjdk.org>
Co-authored-by: Robbin Ehn <rehn@openjdk.org>
Co-authored-by: Stefan Karlsson <stefank@openjdk.org>
Co-authored-by: Thomas Schatzl <tschatzl@openjdk.org>
Co-authored-by: Sergey Kuksenko <skuksenko@openjdk.org>
Reviewed-by: lancea, eosterlund, rehn, sspitsyn, stefank, tschatzl, dfuchs, lmesnik, dcubed, kevinw, amenkov, dlong, mchung, psandoz, bpb, coleenp, smarks, egahlin, mseledtsov, coffeys, darcy
2022-05-07 08:06:16 +00:00

88 lines
2.7 KiB
Java

/*
* Copyright (c) 2017, 2022, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 8174962 8010319
* @summary Redefine class with interface method call
* @requires vm.jvmti
* @library /test/lib
* @modules java.base/jdk.internal.misc
* @modules java.compiler
* java.instrument
* jdk.jartool/sun.tools.jar
* @run main RedefineClassHelper
* @run main/othervm -javaagent:redefineagent.jar -Xlog:redefine+class+update*=trace RedefineInterfaceCall
*/
import static jdk.test.lib.Asserts.assertEquals;
interface I1 { default int m() { return 0; } }
interface I2 extends I1 {}
// package access top-level class to avoid problem with RedefineClassHelper
// and nested types.
class RedefineInterfaceCall_C implements I2 {
public int test(I2 i) {
return i.m(); // invokeinterface cpCacheEntry
}
}
public class RedefineInterfaceCall {
static String newI1 =
"interface I1 { default int m() { return 1; } }";
static String newC = """
class RedefineInterfaceCall_C implements I2 {
public int test(I2 i) {
return i.m();
}
}
""";
static int test(I2 i) {
return i.m(); // invokeinterface cpCacheEntry
}
public static void main(String[] args) throws Exception {
RedefineInterfaceCall_C c = new RedefineInterfaceCall_C();
assertEquals(test(c), 0);
assertEquals(c.test(c), 0);
RedefineClassHelper.redefineClass(RedefineInterfaceCall_C.class, newC);
assertEquals(c.test(c), 0);
RedefineClassHelper.redefineClass(I1.class, newI1);
assertEquals(test(c), 1);
assertEquals(c.test(c), 1);
RedefineClassHelper.redefineClass(RedefineInterfaceCall_C.class, newC);
assertEquals(c.test(c), 1);
}
}