--- jsr166/src/test/tck/JSR166TestCase.java	2016/08/06 16:24:05	1.199
+++ jsr166/src/test/tck/JSR166TestCase.java	2016/08/10 01:28:14	1.200
@@ -41,6 +41,7 @@ import java.security.ProtectionDomain;
 import java.security.SecurityPermission;
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.Collections;
 import java.util.Date;
 import java.util.Enumeration;
 import java.util.Iterator;
@@ -62,6 +63,7 @@ import java.util.concurrent.RejectedExec
 import java.util.concurrent.Semaphore;
 import java.util.concurrent.SynchronousQueue;
 import java.util.concurrent.ThreadFactory;
+import java.util.concurrent.ThreadLocalRandom;
 import java.util.concurrent.ThreadPoolExecutor;
 import java.util.concurrent.TimeoutException;
 import java.util.concurrent.atomic.AtomicBoolean;
@@ -1875,4 +1877,7 @@ public class JSR166TestCase extends Test
                                1000L, MILLISECONDS,
                                new SynchronousQueue<Runnable>());
 
+    static <T> void shuffle(T[] array) {
+        Collections.shuffle(Arrays.asList(array), ThreadLocalRandom.current());
+    }
 }