assertEquals(Long.MIN_VALUE, allocInfo.getFree());
        }

        @Test
        @DisplayName("Should calculate used space correctly")
        void shouldCalculateUsedSpaceCorrectly() {
            // Given
            long capacity = 1024L * 1024L * 1024L * 100L; // 100GB
            long free = 1024L * 1024L * 1024L * 40L; // 40GB

            assertEquals(FileSystemInformation.FS_SIZE_INFO, allocInfo.getFileSystemInformationClass());
        }

        @Test
        @DisplayName("Should calculate used space correctly")
        void shouldCalculateUsedSpaceCorrectly() throws SMBProtocolDecodingException {
            // Given
            ByteBuffer buffer = ByteBuffer.allocate(24);
            buffer.order(ByteOrder.LITTLE_ENDIAN);
            buffer.putLong(10000L);

        }

        @Test
        @DisplayName("Should calculate used space correctly")
        void shouldCalculateUsedSpaceCorrectly() throws SMBProtocolDecodingException {
            // Given
            ByteBuffer buffer = ByteBuffer.allocate(32);
            buffer.order(ByteOrder.LITTLE_ENDIAN);
            buffer.putLong(10000L);