final int offset = readULong(src, index + 4);
        final byte[] buffer = new byte[length];
        System.arraycopy(src, offset, buffer, 0, length);
        return buffer;
    }

    static void writeULong(final byte[] dest, final int offset, final int ulong) {
        dest[offset] = (byte) (ulong & 0xff);
        dest[offset + 1] = (byte) (ulong >> 8 & 0xff);

        buffer[40] = 0x00;

        // Parameter offset (2 bytes)
        buffer[41] = 0x00;
        buffer[42] = 0x00;

        // Parameter displacement (2 bytes)
        buffer[43] = 0x00;
        buffer[44] = 0x00;

        // Data count (2 bytes)
        buffer[45] = 0x00;
        buffer[46] = 0x00;

        // Data offset (2 bytes)
        buffer[47] = 0x00;
        buffer[48] = 0x00;

     * @param offset the file offset at which to write
     * @param remaining the number of bytes remaining to be written
     * @param b the data buffer containing bytes to write
     * @param off the offset in the buffer where data starts
     * @param len the number of bytes to write
     */
    public SmbComWrite(final Configuration config, final int fid, final int offset, final int remaining, final byte[] b, final int off,

		body    = `[{"bio":"bada bing bada boom","id":1,"name":"Charles","falseVal":false}]`
	)

	decoder := NewDecoder(mkReader(body), 1)

	for mv = range decoder.Stream() {
		counter++
		t.Logf("depth=%d offset=%d len=%d (%v)", mv.Depth, mv.Offset, mv.Length, mv.Value)
	}

	if err := decoder.Err(); err != nil {
		t.Fatalf("decoder error: %s", err)
	}
}

func TestDecoderNested(t *testing.T) {
	var (
		counter int

        byte[] buffer = new byte[10];
        int offset = 2;

        // Act
        int bytesWritten = transPeekNamedPipe.writeSetupWireFormat(buffer, offset);

        // Assert
        assertEquals(4, bytesWritten);
        assertEquals(SmbComTransaction.TRANS_PEEK_NAMED_PIPE, buffer[offset]);
        assertEquals((byte) 0x00, buffer[offset + 1]);

        // Verify FID is written correctly (little-endian)

        assertEquals(offset, getFieldValue(write, "offset"), "Offset should match constructor arg");
        assertEquals(remaining, getFieldValue(write, "remaining"), "Remaining should match constructor arg");
        assertEquals(buffer, getFieldValue(write, "b"), "Buffer reference should be set");
        assertEquals(off, getFieldValue(write, "off"), "Off should match constructor arg");

            return;
        }

        int offset = 0;

        while (offset < outputBuffer.length) {
            // Parse FILE_NOTIFY_INFORMATION structure
            int nextEntryOffset = SMBUtil.readInt4(outputBuffer, offset);
            int action = SMBUtil.readInt4(outputBuffer, offset + 4);
            int fileNameLength = SMBUtil.readInt4(outputBuffer, offset + 8);

            // Extract filename

    }

    @Test
    @DisplayName("Should format with specific offset and length")
    void testHexdumpWithOffsetAndLength() {
        // Given
        byte[] data = createTestData(64);
        int offset = 16;
        int length = 32;

        // When
        String result = Hexdump.toHexString(data, offset, length);

        // Then
        assertNotNull(result);

        // Security buffer offset and length
        SMBUtil.writeInt2(128, buffer, offset + 56); // Offset
        SMBUtil.writeInt2(0, buffer, offset + 58); // Length

        // Negotiate context offset
        SMBUtil.writeInt4(144, buffer, offset + 60); // Point to contexts

        // Add negotiate contexts at offset 144
        int ctxOffset = 144;

        if (startPosition * 2 >= windowSize) {
            int offset = params.getOffset();
            if (offset < 0) {
                offset = 0;
            } else if (offset > windowSize / 2) {
                offset = windowSize / 2;
            }
            int start = startPosition - offset;
            if (start < 0) {
                start = 0;
            }