byte[] paddedData = new byte[testData.length + 200];
        System.arraycopy(testData, 0, paddedData, 100, testData.length);

        byte[] compressed = compressionService.compress(paddedData, 100, testData.length, CompressionService.COMPRESSION_LZ77);
        byte[] decompressed = compressionService.decompress(compressed, CompressionService.COMPRESSION_LZ77);

        assertArrayEquals(testData, decompressed);
    }

    @Test

        SMBUtil.writeInt4(0, buffer, bodyStart + 12);

        // Write test data at the specified offset
        byte[] testData = new byte[dataLength];
        for (int i = 0; i < dataLength; i++) {
            testData[i] = (byte) (i & 0xFF);
        }
        System.arraycopy(testData, 0, buffer, dataOffsetFromHeader, dataLength);

        // Use reflection to set headerStart