GetDiskFreeSpaceEx = kernel32.NewProc("GetDiskFreeSpaceExW")

	// GetDiskFreeSpace - https://msdn.microsoft.com/en-us/library/windows/desktop/aa364935(v=vs.85).aspx
	// Retrieves information about the specified disk, including the amount of free space on the disk.
	GetDiskFreeSpace = kernel32.NewProc("GetDiskFreeSpaceW")
)

// GetInfo returns total and free bytes available in a directory, e.g. `C:\`.

     *
     * @return the free disk space in bytes of the drive on which this file or
     *         directory resides
     * @throws CIFSException if an error occurs accessing the resource
     */
    long getDiskFreeSpace() throws CIFSException;

    /**
     * Returns the length of this <code>SmbResource</code> in bytes. If this object
     * is a <code>TYPE_SHARE</code> the total capacity of the disk shared in

            return this.size;
        } catch (final CIFSException e) {
            throw SmbException.wrap(e);
        }
    }

    @Override
    public long getDiskFreeSpace() throws SmbException {
        try (SmbTreeHandleImpl th = ensureTreeConnected()) {
            final int t = getType();
            if (t == TYPE_SHARE || t == TYPE_FILESYSTEM) {

            when(mockResource.length()).thenReturn(expectedLength);
            when(mockResource.getDiskFreeSpace()).thenReturn(expectedFreeSpace);

            // When
            long length = mockResource.length();
            long freeSpace = mockResource.getDiskFreeSpace();

            // Then
            assertEquals(expectedLength, length, "Should return correct file length");

     * @return the free disk space in bytes of the drive on which this file or
     * directory resides
     * @throws SmbException if an error occurs while retrieving disk space information
     */
    public long getDiskFreeSpace() throws SmbException {
        if (getType() == TYPE_SHARE || type == TYPE_FILESYSTEM) {
            int level = Trans2QueryFSInformationResponse.SMB_FS_FULL_SIZE_INFORMATION;
            try {