// Then
            long expectedFree = callerFree * sectPerAlloc * bytesPerSect;
            assertEquals(expectedFree, fileFsFullSizeInfo.getFree());
            assertEquals(2097152L, fileFsFullSizeInfo.getFree()); // 512 * 8 * 512
        }

        @Test
        @DisplayName("Should handle overflow in capacity calculation")

        SmbInfoAllocation info = (SmbInfoAllocation) response.getInfo();
        assertEquals(8L * 1000000L * 512L, info.getCapacity());
        assertEquals(8L * 500000L * 512L, info.getFree());
    }

    @Test
    void testReadDataWireFormat_FileFsSizeInformation() throws Exception {
        // Test reading FS_SIZE_INFO data

        assertEquals(512, info.bytesPerSect);
        assertEquals(1000L * 100 * 512, info.getCapacity(), "Capacity calculation should be correct");
        assertEquals(500L * 100 * 512, info.getFree(), "Free space calculation should be correct");
    }

    /**
     * Tests the readDataWireFormat method with the SMB_QUERY_FS_SIZE_INFO information level.
     */
    @Test

            assertEquals(20, bytesDecoded);
            assertEquals(8L * 4096L * 512L, smbInfoAllocation.getCapacity());
            assertEquals(8L * 2048L * 512L, smbInfoAllocation.getFree());
        }

        @Test
        @DisplayName("Should calculate capacity correctly")
        void testCapacityCalculation() throws SMBProtocolDecodingException {
            byte[] buffer = new byte[24];

        if (type == TYPE_SHARE) {
            size = response.info.getCapacity();
            sizeExpiration = System.currentTimeMillis() + attrExpirationPeriod;
        }

        return response.info.getFree();
    }

    /**
     * Creates a directory with the path specified by this
     * <code>SmbFile</code>. For this method to be successful, the target
     * must not already exist. This method will fail when

                this.size = allocInfo.getCapacity();
                this.sizeExpiration = System.currentTimeMillis() + getContext().getConfig().getAttributeCacheTimeout();
                return allocInfo.getFree();
            }
            return 0L;
        } catch (final CIFSException e) {
            throw SmbException.wrap(e);
        }
    }

    /**
     * @return

        } else if (requestType.equals(MetadataResolutionRequestTypeEnum.versionedGraph)) {
            return new MetadataGraph(getTree(), true, false);
        } else if (requestType.equals(MetadataResolutionRequestTypeEnum.scopedGraph)) {
            return new MetadataGraph(getTree(), true, true);
        }
        return null;
    }
    // ----------------------------------------------------------------------------

        return this.ctx.getConfig();
    }

    private synchronized SmbTreeImpl getTree() {
        final SmbTreeImpl t = this.tree;
        if (t != null) {
            return t.acquire(false);
        }
        if (this.delegate != null) {
            this.tree = this.delegate.getTree();
            return this.tree;
        }
        return t;
    }

    /**
     * @return

    }

    /**
     * Test that getTree() returns the correct SmbTreeHandle.
     */
    @Test
    void testGetTree() {
        when(smbFileHandle.getTree()).thenReturn(smbTreeHandle);
        SmbTreeHandle result = smbFileHandle.getTree();
        assertEquals(smbTreeHandle, result, "getTree should return the mocked SmbTreeHandle.");
        verify(smbFileHandle, times(1)).getTree();
    }

    /**

        SmbPipeInputStream stream = newStreamWithMinimalStubs(true);

        // Arrange mocks for available()
        when(handle.ensureOpen()).thenReturn(fd);
        when(fd.getTree()).thenReturn(tree);
        when(tree.isSMB2()).thenReturn(true);
        when(tree.getConfig()).thenReturn(config);
        when(config.getTransactionBufferSize()).thenReturn(65535);