test/javax/sound/sampled/DirectAudio/bug6400879.java

rev 14569 : 8148915: Intermittent failures of bug6400879.java
Reviewed-by: amenkov

*** 24,37 ****
  /*
   * @test
   * @bug 6400879 7100140
   * @summary Tests that Start/Stop sequence doesn't hang
   * @author Alexey Menkov
!  * @run main bug6400879
!  * @key intermittent
   */
  
  import javax.sound.sampled.*;
  
  public class bug6400879 extends Thread {
  
      public static void main(String args[]) throws Exception {
--- 24,38 ----
  /*
   * @test
   * @bug 6400879 7100140
   * @summary Tests that Start/Stop sequence doesn't hang
   * @author Alexey Menkov
!  * @run main/othervm bug6400879
   */
  
+ import java.util.concurrent.TimeUnit;
+ 
  import javax.sound.sampled.*;
  
  public class bug6400879 extends Thread {
  
      public static void main(String args[]) throws Exception {
*** 48,67 ****
      public static void monitor(bug6400879 pThis) throws Exception {
          long prevLoop = -1;
          long prevTime = currentTimeMillis();
          while (pThis.isAlive()) {
              if (pThis.loopCounter == prevLoop) {
!                 if (currentTimeMillis() - prevTime > BLOCK_TIMEOUT) {
!                     // block!
!                     log("Test FAILED.");
!                     throw new RuntimeException("Test FAILED: thread has been blocked!");
                  }
              } else {
                  prevLoop = pThis.loopCounter;
                  prevTime = currentTimeMillis();
              }
!             delay(500);    // sleep for 0.5 sec
          }
          log("Test sucessfully passed.");
      }
  
      volatile long loopCounter = 0;
--- 49,68 ----
      public static void monitor(bug6400879 pThis) throws Exception {
          long prevLoop = -1;
          long prevTime = currentTimeMillis();
          while (pThis.isAlive()) {
              if (pThis.loopCounter == prevLoop) {
!                 long delay = currentTimeMillis() - prevTime;
!                 if (delay > BLOCK_TIMEOUT) {
!                     // blocked?
!                     log("The test is slow, delay = " + delay);
                  }
              } else {
                  prevLoop = pThis.loopCounter;
                  prevTime = currentTimeMillis();
              }
!             delay(1000);    // sleep for 1 sec
          }
          log("Test sucessfully passed.");
      }
  
      volatile long loopCounter = 0;
*** 109,120 ****
  
  
      // helper routines
      static long startTime = currentTimeMillis();
      static long currentTimeMillis() {
!         //return System.nanoTime() / 1000000L;
!         return System.currentTimeMillis();
      }
      static void log(String s) {
          long time = currentTimeMillis() - startTime;
          long ms = time % 1000;
          time /= 1000;
--- 110,120 ----
  
  
      // helper routines
      static long startTime = currentTimeMillis();
      static long currentTimeMillis() {
!         return TimeUnit.NANOSECONDS.toMillis(System.nanoTime());
      }
      static void log(String s) {
          long time = currentTimeMillis() - startTime;
          long ms = time % 1000;
          time /= 1000;