--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/gc/gctests/WeakReference/weak007/weak007.java	Thu May 17 14:52:47 2018 -0700
@@ -0,0 +1,100 @@
+/*
+ * Copyright (c) 2007, 2018, 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
+ * @key stress gc
+ *
+ * @summary converted from VM Testbase gc/gctests/WeakReference/weak007.
+ * VM Testbase keywords: [gc, stress, stressopt, nonconcurrent]
+ *
+ * @library /vmTestbase
+ *          /test/lib
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @run main/othervm -XX:-UseGCOverheadLimit gc.gctests.WeakReference.weak007.weak007 -t 1
+ */
+
+package gc.gctests.WeakReference.weak007;
+
+import nsk.share.TestFailure;
+import nsk.share.gc.*;
+import java.lang.ref.WeakReference;
+import java.lang.ref.Reference;
+
+/**
+ * Test that GC correctly clears weak references.
+ *
+ * This test creates a number of weak references,
+ * each of which points to the next, then provokes
+ * GC with Algorithms.eatMemory(). The test succeeds
+ * if last reference has been cleared and the object
+ * has been finalized.
+ */
+public class weak007 extends ThreadedGCTest {
+
+    class Worker implements Runnable {
+
+        private int length = 10000;
+        private int objectSize = 10000;
+        private Reference[] references;
+
+        private void makeReferences() {
+            references[length - 1] = null;
+            FinMemoryObject obj = new FinMemoryObject(objectSize);
+            references[0] = new WeakReference(obj);
+            for (int i = 1; i < length; ++i) {
+                references[i] = new WeakReference(references[i - 1]);
+            }
+            for (int i = 0; i < length - 1; ++i) {
+                references[i] = null;
+            }
+        }
+
+        public void run() {
+            makeReferences();
+            Algorithms.eatMemory(getExecutionController());
+            if (getExecutionController().continueExecution()) {
+                if (references[length - 1].get() != null) {
+                    throw new TestFailure("Last weak reference has not been cleared");
+                }
+            } else {
+                log.info("Completed iterations: " + getExecutionController().getIteration());
+            }
+        }
+
+        public Worker() {
+            log.info("Array size: " + length);
+            log.info("Object size: " + objectSize);
+            references = new WeakReference[length];
+        }
+    }
+
+    @Override
+    protected Runnable createRunnable(int i) {
+        return new Worker();
+    }
+
+    public static void main(String[] args) {
+        GC.runTest(new weak007(), args);
+    }
+}