--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/jdwp/ThreadReference/CurrentContendedMonitor/curcontmonitor001a.java	Wed May 30 20:54:45 2018 -0700
@@ -0,0 +1,151 @@
+/*
+ * Copyright (c) 2001, 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.
+ */
+
+package nsk.jdwp.ThreadReference.CurrentContendedMonitor;
+
+import nsk.share.*;
+import nsk.share.jpda.*;
+import nsk.share.jdwp.*;
+
+import java.io.*;
+
+/**
+ * This class represents debuggee part in the test.
+ */
+public class curcontmonitor001a {
+
+    // name for the tested thread
+    public static final String THREAD_NAME = "TestedThreadName";
+    public static final String THREAD_FIELD_NAME = "thread";
+    public static final String MONITOR_FIELD_NAME = "monitor";
+
+    // frames count for tested thread in recursive method invokation
+    public static final int FRAMES_COUNT = 10;
+
+    // notification object to notify debuggee that thread is started
+    private static Object threadStarting = new Object();
+    // object which thread will wait for before being interruted
+    private static Object threadWaiting = new Object();
+
+    // scaffold objects
+    private static volatile ArgumentHandler argumentHandler = null;
+    private static volatile Log log = null;
+
+    public static void main(String args[]) {
+        curcontmonitor001a _curcontmonitor001a = new curcontmonitor001a();
+        System.exit(curcontmonitor001.JCK_STATUS_BASE + _curcontmonitor001a.runIt(args, System.err));
+    }
+
+    public int runIt(String args[], PrintStream out) {
+        //make log for debugee messages
+        argumentHandler = new ArgumentHandler(args);
+        log = new Log(out, argumentHandler);
+        long timeout = argumentHandler.getWaitTime() * 60 * 1000; // milliseconds
+
+        // make communication pipe to debugger
+        log.display("Creating pipe");
+        IOPipe pipe = argumentHandler.createDebugeeIOPipe(log);
+
+        // load tested class and create tested thread
+        log.display("Creating object of tested class");
+        TestedClass.thread = new TestedClass(THREAD_NAME);
+
+        // start the thread and wait for notification from it
+        synchronized (threadStarting) {
+            TestedClass.thread.start();
+            try {
+                threadStarting.wait();
+            } catch (InterruptedException e) {
+                log.complain("Interruption while waiting for thread started:\n\t" + e);
+                pipe.println(curcontmonitor001.ERROR);
+                log.display("Debugee FAILED");
+                return curcontmonitor001.FAILED;
+            }
+
+            // ensure that tested thread is waiting for monitor object
+            synchronized (TestedClass.thread.monitor) {
+                // send debugger signal READY
+                log.display("Sending signal to debugger: " + curcontmonitor001.READY);
+                pipe.println(curcontmonitor001.READY);
+            }
+        }
+
+        // wait for signal QUIT from debugeer
+        log.display("Waiting for signal from debugger: " + curcontmonitor001.QUIT);
+        String signal = pipe.readln();
+        log.display("Received signal from debugger: " + signal);
+
+        // interrupt waiting thread
+        log.display("Interrupting tested thread being waited");
+        TestedClass.thread.interrupt();
+
+        // check received signal
+        if (signal == null || !signal.equals(curcontmonitor001.QUIT)) {
+            log.complain("Unexpected communication signal from debugee: " + signal
+                        + " (expected: " + curcontmonitor001.QUIT + ")");
+            log.display("Debugee FAILED");
+            return curcontmonitor001.FAILED;
+        }
+
+        // exit debugee
+        log.display("Debugee PASSED");
+        return curcontmonitor001.PASSED;
+    }
+
+    // tested thread class
+    public static class TestedClass extends Thread {
+
+        // field with the tested Thread value
+        public static volatile TestedClass thread = null;
+        // field with monitor object which thread will infinitively wait for
+        public static volatile Object monitor = new Object();
+
+        public TestedClass(String name) {
+            super(name);
+        }
+
+        // start the thread and recursive invoke makeFrames()
+        public void run() {
+            log.display("Tested thread started");
+
+            synchronized (monitor) {
+
+                // notify debuggee that thread started
+                synchronized (threadStarting) {
+                    threadStarting.notifyAll();
+                }
+
+                // wait infinitely for monitor object
+                try {
+                    monitor.wait();
+                } catch (InterruptedException e) {
+                    log.display("Tested thread interrupted");
+                }
+            }
+
+            log.display("Tested thread finished");
+        }
+
+    }
+
+}