assertTrue(SmbOperationException.ErrorCode.RESOURCE_LOCKED.isRetryable());
        assertTrue(SmbOperationException.ErrorCode.BUSY.isRetryable());
        assertTrue(SmbOperationException.ErrorCode.TRY_AGAIN.isRetryable());
        assertTrue(SmbOperationException.ErrorCode.SERVICE_UNAVAILABLE.isRetryable());

        // Non-retryable errors
        assertFalse(SmbOperationException.ErrorCode.HOST_NOT_FOUND.isRetryable());

        }
    }

    /**
     * Check if this exception is retryable
     *
     * @return true if the operation can be retried
     */
    public boolean isRetryable() {
        return errorCode.isRetryable() && retryPolicy != RetryPolicy.NO_RETRY;
    }

    /**
     * Check if retry should be attempted
     *
     * @param attemptNumber the current attempt number

    void testRetriableExceptions() {
        // Test non-retriable errors
        SmbException accessDenied = new SmbException(NtStatus.NT_STATUS_ACCESS_DENIED, false);
        // Note: isRetriable() method does not exist in SmbException
        assertNotNull(accessDenied);

        SmbException notFound = new SmbException(NtStatus.NT_STATUS_OBJECT_NAME_NOT_FOUND, false);
        assertNotNull(notFound);