/**
* setUncaughtExceptionHandler changes handler for uncaught exceptions.
*
* <p>Additionally tests: Overriding ForkJoinWorkerThread.onStart performs its defined action
*/
public void testSetUncaughtExceptionHandler() throws InterruptedException {
final CountDownLatch uehInvoked = new CountDownLatch(1);
final Thread.UncaughtExceptionHandler ueh =
new Thread.UncaughtExceptionHandler() {
public void uncaughtException(Thread t, Throwable e) {
threadAssertTrue(e instanceof MyError);
threadAssertTrue(t instanceof FailingFJWSubclass);
uehInvoked.countDown();
}
};
ForkJoinPool p = new ForkJoinPool(1, new FailingThreadFactory(), ueh, false);
try (PoolCleaner cleaner = cleaner(p)) {
assertSame(ueh, p.getUncaughtExceptionHandler());
try {
p.execute(new FibTask(8));
await(uehInvoked);
} finally {
p.shutdownNow(); // failure might have prevented processing task
}
}
}
