public synchronized void releaseWriteLock() {
        status = 0;
    }
@Test
    public void releaseWriteLockTest() {
        SimpleReadWriteLock simpleReadWriteLock = new SimpleReadWriteLock();
        simpleReadWriteLock.tryWriteLock();
        simpleReadWriteLock.releaseWriteLock();
        boolean result = simpleReadWriteLock.tryReadLock();
        Assert.isTrue(result);
    }