assertEquals(defaultThread.getPriority(), thread.getPriority());
    assertSame(defaultThread.getThreadGroup(), thread.getThreadGroup());
    assertSame(defaultThread.getUncaughtExceptionHandler(), thread.getUncaughtExceptionHandler());

    assertFalse(completed);
    thread.start();
    thread.join();
    assertTrue(completed);

    // Creating a new thread from the same ThreadFactory will have the same

    assertEquals(defaultThread.getPriority(), thread.getPriority());
    assertSame(defaultThread.getThreadGroup(), thread.getThreadGroup());
    assertSame(defaultThread.getUncaughtExceptionHandler(), thread.getUncaughtExceptionHandler());

    assertFalse(completed);
    thread.start();
    thread.join();
    assertTrue(completed);

    // Creating a new thread from the same ThreadFactory will have the same

        final Thread.UncaughtExceptionHandler handler = (t, e) -> handlerCalled.set(true);

        indexUpdater.setUncaughtExceptionHandler(handler);
        assertSame(handler, indexUpdater.getUncaughtExceptionHandler());
    }

    // Test setDefaultUncaughtExceptionHandler
    public void test_setDefaultUncaughtExceptionHandler() {