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+/*
+ * Copyright (c) 2012, 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 8003720
+ * @summary Method in interpreter stack frame can be deallocated
+ * @compile -XDignore.symbol.file -source 1.7 -target 1.7 Victim.java
+ * @run main/othervm -Xverify:all -Xint Test8003720
+ */
+
+// Attempts to make the JVM unload a class while still executing one of its methods.
+public class Test8003720 {
+ final static String VICTIM_CLASS_NAME = "Victim";
+ final static boolean QUIET = true;
+ final static long DURATION = 30000;
+
+ public interface CallMe { void callme(); }
+
+ public static void main(String... av) throws Throwable {
+ newVictimClassLoader();
+ System.gc();
+
+ newVictimClass();
+ System.gc();
+
+ newVictimInstance();
+ System.gc();
+
+ ((CallMe)newVictimInstance()).callme();
+ }
+
+ public static Object newVictimInstance() throws Throwable {
+ return newVictimClass().newInstance();
+ }
+
+ public static Class<?> newVictimClass() throws Throwable {
+ return Class.forName(VICTIM_CLASS_NAME, true, new VictimClassLoader());
+ }
+
+ public static ClassLoader newVictimClassLoader() throws Throwable {
+ return new VictimClassLoader();
+ }
+
+ public static void println(String line) {
+ if (!QUIET) {
+ System.out.println(line);
+ }
+ }
+}