--- /dev/null	2017-05-05 06:40:48.273288351 -0700
+++ new/test/hotspot/jtreg/runtime/appcds/sharedStrings/InternStringTest.java	2017-11-27 12:14:58.967945393 -0800
@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) 2015, 2017, 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;
+
+public class InternStringTest {
+    public static String passed_output1 = "Found shared string.";
+    public static String passed_output2 = "Shared strings are equal.";
+    public static String passed_output3 = "Found shared string containing latin1 supplement chars.";
+    public static String passed_output4 = "Found shared string containing non-western chars.";
+    public static final String latin1Sup  = "XXXX \u00a3 YYYY"; // \u00a3 = The pound sign
+    public static final String nonWestern = "XXXX \u5678 YYYY"; // \u5678 = Unicode Han Character 'ton (metric or English)'
+
+    public static void main(String[] args) throws Exception {
+        WhiteBox wb = WhiteBox.getWhiteBox();
+
+        // All string literals are shared.
+        String shared1 = "LiveOak";
+        String interned1 = shared1.intern();
+        if (wb.areSharedStringsIgnored() || wb.isShared(interned1)) {
+            System.out.println(passed_output1);
+        } else {
+            throw new RuntimeException("Failed: String is not shared.");
+        }
+
+        // Test 2: shared_string1.intern() == shared_string2.intern()
+        String shared2 = "LiveOak";
+        String interned2 = shared2.intern();
+        if (interned1 == interned2) {
+            System.out.println(passed_output2);
+        } else {
+            throw new RuntimeException("Not equal!");
+        }
+
+        // Test 3: interned strings with a char in latin1 supplement block [\u0080-\u00ff]
+        {
+            String a = "X" + latin1Sup.substring(1);
+            String b = a.intern();
+
+            if (wb.areSharedStringsIgnored() || wb.isShared(b)) {
+                System.out.println(passed_output3);
+            } else {
+                throw new RuntimeException("Failed: expected shared string with latin1-supplement chars.");
+            }
+        }
+
+        // Test 5: interned strings with non-western characters
+        {
+            String a = "X" + nonWestern.substring(1);
+            String b = a.intern();
+            if (wb.areSharedStringsIgnored() || wb.isShared(b)) {
+                System.out.println(passed_output4);
+            } else {
+                throw new RuntimeException("Failed: expected shared string with non-western chars.");
+            }
+        }
+    }
+}