hotspot/test/runtime/8003720/Test8003720.java
changeset 14582 490bb6c0df7c
child 14589 a6649fc2f41d
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/runtime/8003720/Test8003720.java	Tue Nov 27 10:13:20 2012 +0100
@@ -0,0 +1,71 @@
+/*
+ * 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 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);
+        }
+    }
+}