test/jdk/java/nio/channels/Selector/RegisterDuringSelect.java

*** 23,32 ****
--- 23,35 ----
  
  /* @test
   * @bug 8201315
   * @summary Test that channels can be registered, interest ops can changed,
   *          and keys cancelled while a selection operation is in progress.
+  * @library /test/lib
+  * @build jdk.test.lib.Utils
+  * @run main RegisterDuringSelect
   */
  
  import java.io.IOException;
  import java.nio.channels.ClosedSelectorException;
  import java.nio.channels.Pipe;
*** 36,45 ****
--- 39,50 ----
  import java.util.concurrent.ExecutorService;
  import java.util.concurrent.Executors;
  import java.util.concurrent.Future;
  import java.util.concurrent.Phaser;
  
+ import jdk.test.lib.Utils;
+ 
  public class RegisterDuringSelect {
  
      static Callable<Void> selectLoop(Selector sel, Phaser barrier) {
          return new Callable<Void>() {
              @Override
*** 82,96 ****
--- 87,103 ----
  
                  System.out.println("register ...");
                  SelectionKey key = sc.register(sel, SelectionKey.OP_READ);
                  if (!sel.keys().contains(key))
                      throw new RuntimeException("key not in key set");
+                 Thread.sleep(Utils.adjustTimeout(50));
                  sel.wakeup();
                  barrier.arriveAndAwaitAdvance();
  
                  System.out.println("interestOps ...");
                  key.interestOps(0);
+                 Thread.sleep(Utils.adjustTimeout(50));
                  sel.wakeup();
                  barrier.arriveAndAwaitAdvance();
  
                  System.out.println("cancel ...");
                  key.cancel();