--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/gc/class_unloading/AllocateBeyondMetaspaceSize.java	Wed Aug 06 09:55:16 2014 +0200
@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2014, 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.
+ */
+
+import sun.hotspot.WhiteBox;
+
+class AllocateBeyondMetaspaceSize {
+  public static Object dummy;
+
+  public static void main(String [] args) {
+    if (args.length != 2) {
+      throw new IllegalArgumentException("Usage: <MetaspaceSize> <YoungGenSize>");
+    }
+
+    long metaspaceSize = Long.parseLong(args[0]);
+    long youngGenSize = Long.parseLong(args[1]);
+
+    run(metaspaceSize, youngGenSize);
+  }
+
+  private static void run(long metaspaceSize, long youngGenSize) {
+    WhiteBox wb = WhiteBox.getWhiteBox();
+
+    long allocationBeyondMetaspaceSize  = metaspaceSize * 2;
+    long metaspace = wb.allocateMetaspace(null, allocationBeyondMetaspaceSize);
+
+    triggerYoungGC(youngGenSize);
+
+    wb.freeMetaspace(null, metaspace, metaspace);
+  }
+
+  private static void triggerYoungGC(long youngGenSize) {
+    long approxAllocSize = 32 * 1024;
+    long numAllocations  = 2 * youngGenSize / approxAllocSize;
+
+    for (long i = 0; i < numAllocations; i++) {
+      dummy = new byte[(int)approxAllocSize];
+    }
+  }
+}