73 lines
2.4 KiB
Java
73 lines
2.4 KiB
Java
/*
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* Copyright (c) 2012, 2015, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8003720
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* @summary Method in interpreter stack frame can be deallocated
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* @modules java.base/jdk.internal.org.objectweb.asm
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* java.base/jdk.internal.misc
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* @compile -XDignore.symbol.file Victim.java
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* @run main/othervm -Xverify:all -Xint Test8003720
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*/
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// Attempts to make the JVM unload a class while still executing one of its methods.
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public class Test8003720 {
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final static String VICTIM_CLASS_NAME = "Victim";
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final static boolean QUIET = true;
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final static long DURATION = 30000;
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public interface CallMe { void callme(); }
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public static void main(String... av) throws Throwable {
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newVictimClassLoader();
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System.gc();
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newVictimClass();
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System.gc();
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newVictimInstance();
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System.gc();
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((CallMe)newVictimInstance()).callme();
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}
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public static Object newVictimInstance() throws Throwable {
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return newVictimClass().newInstance();
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}
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public static Class<?> newVictimClass() throws Throwable {
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return Class.forName(VICTIM_CLASS_NAME, true, new VictimClassLoader());
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}
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public static ClassLoader newVictimClassLoader() throws Throwable {
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return new VictimClassLoader();
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}
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public static void println(String line) {
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if (!QUIET) {
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System.out.println(line);
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}
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}
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}
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