TestAllocInfo allocInfo = new TestAllocInfo(capacity, free);

            // When - multiple calls should return same values
            long firstCapacityCall = allocInfo.getCapacity();
            long secondCapacityCall = allocInfo.getCapacity();
            long firstFreeCall = allocInfo.getFree();
            long secondFreeCall = allocInfo.getFree();

            // Then

            assertTrue(fullSizeInfo instanceof FileSystemInformation);

            // All should be AllocInfo
            assertTrue(smbInfo instanceof AllocInfo);
            assertTrue(sizeInfo instanceof AllocInfo);
            assertTrue(fullSizeInfo instanceof AllocInfo);
        }
    }

    @Nested
    @DisplayName("Performance and Boundary Tests")
    class PerformanceTests {

            buffer.putInt(2048);

            // When
            allocInfo.decode(buffer.array(), 0, 24);

            // Then
            assertEquals(5000L * 4 * 2048, allocInfo.getCapacity());
            assertEquals(2000L * 4 * 2048, allocInfo.getFree());
            assertEquals(FileSystemInformation.FS_SIZE_INFO, allocInfo.getFileSystemInformationClass());
        }

        @Test

            buffer.putInt(2048);

            // When
            allocInfo.decode(buffer.array(), 0, 32);

            // Then
            assertEquals(5000L * 4 * 2048, allocInfo.getCapacity());
            assertEquals(2000L * 4 * 2048, allocInfo.getFree());
            assertEquals(FileSystemInformation.FS_FULL_SIZE_INFO, allocInfo.getFileSystemInformationClass());
        }

        @Test