--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/gc/gctests/StringGC/StringGC.java	Thu May 17 14:52:47 2018 -0700
@@ -0,0 +1,78 @@
+/*
+ * 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/StringGC.
+ * VM Testbase keywords: [gc, stress, stressopt, nonconcurrent, quick]
+ *
+ * @library /vmTestbase
+ *          /test/lib
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @run main/othervm gc.gctests.StringGC.StringGC
+ */
+
+package gc.gctests.StringGC;
+
+import nsk.share.test.*;
+import nsk.share.gc.*;
+
+/**
+ * Test that added strings are collected.
+ *
+ * Idea based on old tests:
+ *      gc/gctests/StringGC02
+ *      gc/gctests/TestStringGC
+ */
+public class StringGC extends ThreadedGCTest {
+        private final String toAdd = "abcdef";
+        private int maxLength;
+
+        private class StringAdder implements Runnable {
+                private String s;
+
+                public void run() {
+                        s = s + toAdd;
+                        if (s.length() > maxLength)
+                                s = "";
+                }
+        }
+
+        protected Runnable createRunnable(int i) {
+                return new StringAdder();
+        }
+
+        public void run() {
+                maxLength = (int) Math.min(
+                        runParams.getTestMemory() / runParams.getNumberOfThreads() / toAdd.length(),
+                        Integer.MAX_VALUE);
+                super.run();
+        }
+
+        public static void main(String[] args) {
+                GC.runTest(new StringGC(), args);
+        }
+}