jdk-24/test/hotspot/jtreg/runtime/RedefineTests/RedefineInterfaceCall.java
David Holmes 95bf19563b 8010319: Implementation of JEP 181: Nest-Based Access Control
Co-authored-by: Alex Buckley <alex.buckley@oracle.com>
Co-authored-by: Maurizio Mimadamore <maurizio.mimadamore@oracle.com>
Co-authored-by: Mandy Chung <mandy.chung@oracle.com>
Co-authored-by: Tobias Hartmann <tobias.hartmann@oracle.com>
Co-authored-by: Vlaidmir Ivanov <vladimir.x.ivanov@oracle.com>
Co-authored-by: Karen Kinnear <karen.kinnear@oracle.com>
Co-authored-by: Vladimir Kozlov <vladimir.kozlov@oracle.com>
Co-authored-by: John Rose <john.r.rose@oracle.com>
Co-authored-by: Daniel Smith <daniel.smith@oracle.com>
Co-authored-by: Serguei Spitsyn <serguei.spitsyn@oracle.com>
Co-authored-by: Kumar Srinivasan <kumardotsrinivasan@gmail.com>
Co-authored-by: Boris Ulasevich <boris.ulasevich@bell-sw.com>
Reviewed-by: alanb, psandoz, mchung, coleenp, acorn, mcimadamore, forax, jlahoda, sspitsyn, abuckley
2018-06-23 01:32:41 -04:00

86 lines
2.7 KiB
Java

/*
* Copyright (c) 2017, 2018, 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
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*
* 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.
*
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* questions.
*/
/*
* @test
* @bug 8174962 8010319
* @summary Redefine class with interface method call
* @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);
}
}