assertTrue(file.isFile(), "Should be identified as a file");
        assertFalse(file.isDirectory(), "Should not be identified as a directory");
        assertEquals(0, file.length(), "New file should have zero length");
    }

    @Test
    void testFileWriteAndRead() throws Exception {
        SmbFile file = new SmbFile(baseUrl + "shared/content.txt", context);

        } else if (usage < 0) {
            throw new RuntimeCIFSException("Usage count dropped below zero");
        }
    }

    /**
     * Emergency cleanup method called during finalization to prevent memory leaks
     */
    private void emergencyCleanup() {
        try {
            // Force usage count to zero to trigger cleanup
            this.usageCount.set(0);

            synchronized (this) {

                        && grantedCredits == 0) {
                    if (this.credits.availablePermits() > 0 || n > 0) {
                        log.debug("Server " + this + " returned zero credits for " + curReq);
                    } else {
                        log.warn("Server " + this + " took away all our credits");
                    }
                } else if (!curReq.isResponseAsync()) {