pkg image, func NewNYCbCrA(Rectangle, YCbCrSubsampleRatio) *NYCbCrA
pkg image, method (*NYCbCrA) AOffset(int, int) int
pkg image, method (*NYCbCrA) At(int, int) color.Color
pkg image, method (*NYCbCrA) Bounds() Rectangle
pkg image, method (*NYCbCrA) COffset(int, int) int
pkg image, method (*NYCbCrA) ColorModel() color.Model
pkg image, method (*NYCbCrA) NYCbCrAAt(int, int) color.NYCbCrA

		// Error if offset is size.
		{(1 + 2 + 4 + 5 + 7) + (5 * humanize.MiByte), 0, 0, InvalidRange{}},
	}

	// Test them.
	for _, testCase := range testCases {
		index, offset, err := fi.ObjectToPartOffset(t.Context(), testCase.offset)
		if err != testCase.expectedErr {
			t.Fatalf("%+v: expected = %s, got: %s", testCase, testCase.expectedErr, err)
		}
		if index != testCase.expectedIndex {

        // Encode test data
        int offset = 0;
        SMBUtil.writeInt8(expectedAllocationSize, buffer, offset);
        offset += 8;
        SMBUtil.writeInt8(expectedEndOfFile, buffer, offset);
        offset += 8;
        SMBUtil.writeInt4(expectedNumberOfLinks, buffer, offset);
        offset += 4;
        buffer[offset++] = (byte) (expectedDeletePending ? 1 : 0);
        buffer[offset++] = (byte) (expectedDirectory ? 1 : 0);

        offset += 8;

        // sectorsPerAllocationUnit (4 bytes)
        SMBUtil.writeInt4(16, buffer, offset);
        offset += 4;

        // bytesPerSector (4 bytes)
        SMBUtil.writeInt4(4096, buffer, offset);
        offset += 4;

        // Set dataCount using reflection
        setDataCount(response, offset);

        int bytesRead = response.readDataWireFormat(buffer, 0, offset);

            // DFS alternate path offset (2 bytes)
            SMBUtil.writeInt2(0, buffer, offset + 14);

            // Network address offset (2 bytes)
            SMBUtil.writeInt2(0, buffer, offset + 16);

            // Padding
            buffer[offset + 18] = 0;
            buffer[offset + 19] = 0;

            // Write string data at stringOffset

        buffer[offset + 3] = 0;
        SMBUtil.writeInt4(0x1234, buffer, offset + 4);
        SMBUtil.writeInt4(0x5678, buffer, offset + 8);
        SMBUtil.writeInt4(0x9ABC, buffer, offset + 12);

        // When
        int bytesRead = response.readBytesWireFormat(buffer, offset);

        // Then
        assertEquals(16, bytesRead);
        assertEquals((byte) 0x02, response.getShareType());

                System.arraycopy(data, 0, dst, offset, data.length);
                offset += data.length;
            }

            // Pad to 8-byte boundary
            while ((offset - dstIndex) % 8 != 0) {
                dst[offset++] = 0;
            }

            return offset - dstIndex;
        }

        @Override
        public int size() {
            sizeCallCount++;
            if (throwOnSize) {

        // Verify notify flags
        assertEquals(Smb2ChangeNotifyRequest.SMB2_WATCH_TREE, SMBUtil.readInt2(buffer, offset + 2));

        // Verify output buffer length
        assertEquals(8192, SMBUtil.readInt4(buffer, offset + 4));

        // Verify file ID
        byte[] readFileId = new byte[16];
        System.arraycopy(buffer, offset + 8, readFileId, 0, 16);

        // Length = 5, Offset = 8
        ByteBuffer buffer = ByteBuffer.wrap(data).order(ByteOrder.LITTLE_ENDIAN);
        buffer.putShort(0, (short) content.length); // Length
        buffer.putShort(2, (short) content.length); // MaxLength (not used by readSecurityBuffer, but typically same as length)
        buffer.putInt(4, 8); // Offset

        }

        @Test
        @DisplayName("Should decode at non-zero offset")
        void testDecodeWithOffset() throws SMBProtocolDecodingException {
            int offset = 50;
            SMBUtil.writeInt2(1, buffer, offset);
            SMBUtil.writeInt2(EncryptionNegotiateContext.CIPHER_AES128_GCM, buffer, offset + 2);

            EncryptionNegotiateContext context = new EncryptionNegotiateContext();