--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/runtime/cds/SharedStringsDedup.java	Mon Jul 29 10:34:20 2019 -0400
@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2016, 2019, 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 SharedStringsDedup
+ * @summary Test -Xshare:auto with shared strings and -XX:+UseStringDeduplication
+ * @requires vm.cds.archived.java.heap
+ * @library /test/lib
+ * @modules java.base/jdk.internal.misc
+ *          java.management
+ * @run driver SharedStringsDedup
+ */
+
+import jdk.test.lib.cds.CDSTestUtils;
+import jdk.test.lib.process.OutputAnalyzer;
+import java.io.File;
+
+// The main purpose is to test the interaction between shared strings
+// and -XX:+UseStringDeduplication. We run in -Xshare:auto mode so
+// we don't need to worry about CDS archive mapping failure (which
+// doesn't happen often so it won't impact coverage).
+public class SharedStringsDedup {
+    public static void main(String[] args) throws Exception {
+        OutputAnalyzer out =
+            CDSTestUtils.createArchive();
+        CDSTestUtils.checkDump(out, "Shared string table stats");
+        CDSTestUtils.runWithArchiveAndCheck("-XX:+UseStringDeduplication");
+    }
+}