test/runtime/8003720/Test8003720.java

Thu, 01 May 2014 14:57:02 -0700

author
amurillo
date
Thu, 01 May 2014 14:57:02 -0700
changeset 6651
4bc28e6b9aba
parent 4305
dad48145e775
child 6876
710a3c8b516e
permissions
-rw-r--r--

Added tag hs25.20-b13 for changeset 798f5b02be89

stefank@4298 1 /*
stefank@4298 2 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
stefank@4298 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
stefank@4298 4 *
stefank@4298 5 * This code is free software; you can redistribute it and/or modify it
stefank@4298 6 * under the terms of the GNU General Public License version 2 only, as
stefank@4298 7 * published by the Free Software Foundation.
stefank@4298 8 *
stefank@4298 9 * This code is distributed in the hope that it will be useful, but WITHOUT
stefank@4298 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
stefank@4298 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
stefank@4298 12 * version 2 for more details (a copy is included in the LICENSE file that
stefank@4298 13 * accompanied this code).
stefank@4298 14 *
stefank@4298 15 * You should have received a copy of the GNU General Public License version
stefank@4298 16 * 2 along with this work; if not, write to the Free Software Foundation,
stefank@4298 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
stefank@4298 18 *
stefank@4298 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
stefank@4298 20 * or visit www.oracle.com if you need additional information or have any
stefank@4298 21 * questions.
stefank@4298 22 *
stefank@4298 23 */
stefank@4298 24
stefank@4298 25 /*
stefank@4298 26 * @test
stefank@4298 27 * @bug 8003720
stefank@4298 28 * @summary Method in interpreter stack frame can be deallocated
stefank@4305 29 * @compile -XDignore.symbol.file -source 1.7 -target 1.7 Victim.java
stefank@4298 30 * @run main/othervm -Xverify:all -Xint Test8003720
stefank@4298 31 */
stefank@4298 32
stefank@4298 33 // Attempts to make the JVM unload a class while still executing one of its methods.
stefank@4298 34 public class Test8003720 {
stefank@4298 35 final static String VICTIM_CLASS_NAME = "Victim";
stefank@4298 36 final static boolean QUIET = true;
stefank@4298 37 final static long DURATION = 30000;
stefank@4298 38
stefank@4298 39 public interface CallMe { void callme(); }
stefank@4298 40
stefank@4298 41 public static void main(String... av) throws Throwable {
stefank@4298 42 newVictimClassLoader();
stefank@4298 43 System.gc();
stefank@4298 44
stefank@4298 45 newVictimClass();
stefank@4298 46 System.gc();
stefank@4298 47
stefank@4298 48 newVictimInstance();
stefank@4298 49 System.gc();
stefank@4298 50
stefank@4298 51 ((CallMe)newVictimInstance()).callme();
stefank@4298 52 }
stefank@4298 53
stefank@4298 54 public static Object newVictimInstance() throws Throwable {
stefank@4298 55 return newVictimClass().newInstance();
stefank@4298 56 }
stefank@4298 57
stefank@4298 58 public static Class<?> newVictimClass() throws Throwable {
stefank@4298 59 return Class.forName(VICTIM_CLASS_NAME, true, new VictimClassLoader());
stefank@4298 60 }
stefank@4298 61
stefank@4298 62 public static ClassLoader newVictimClassLoader() throws Throwable {
stefank@4298 63 return new VictimClassLoader();
stefank@4298 64 }
stefank@4298 65
stefank@4298 66 public static void println(String line) {
stefank@4298 67 if (!QUIET) {
stefank@4298 68 System.out.println(line);
stefank@4298 69 }
stefank@4298 70 }
stefank@4298 71 }

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