}

    /**
     * Check if this is an authentication error
     *
     * @return true if authentication error
     */
    public boolean isAuthenticationError() {
        return errorCode.getCategory() == ErrorCategory.AUTHENTICATION;
    }

    /**
     * Check if this is a file system error
     *
     * @return true if file system error
     */

        assertTrue(exception.isFileSystemError());
        assertFalse(exception.isTransientError());

        // Transient error
        exception = new SmbOperationException(SmbOperationException.ErrorCode.SERVICE_UNAVAILABLE, "Server busy");
        assertFalse(exception.isNetworkError());
        assertFalse(exception.isAuthenticationError());
        assertFalse(exception.isFileSystemError());