--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/java/util/concurrent/tck/HashtableTest.java	Thu May 02 06:33:28 2019 -0700
@@ -0,0 +1,56 @@
+/*
+ * 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.
+ */
+
+/*
+ * This file is available under and governed by the GNU General Public
+ * License version 2 only, as published by the Free Software Foundation.
+ * However, the following notice accompanied the original version of this
+ * file:
+ *
+ * Written by Doug Lea and Martin Buchholz with assistance from members
+ * of JCP JSR-166 Expert Group and released to the public domain, as
+ * explained at http://creativecommons.org/publicdomain/zero/1.0/
+ */
+
+import java.util.Map;
+import java.util.Hashtable;
+
+import junit.framework.Test;
+
+public class HashtableTest extends JSR166TestCase {
+    public static void main(String[] args) {
+        main(suite(), args);
+    }
+    public static Test suite() {
+        class Implementation implements MapImplementation {
+            public Class<?> klazz() { return Hashtable.class; }
+            public Map emptyMap() { return new Hashtable(); }
+            public Object makeKey(int i) { return i; }
+            public Object makeValue(int i) { return i; }
+            public boolean isConcurrent() { return true; }
+            public boolean permitsNullKeys() { return false; }
+            public boolean permitsNullValues() { return false; }
+            public boolean supportsSetValue() { return true; }
+        }
+        return newTestSuite(MapTest.testSuite(new Implementation()));
+    }
+}