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 {

	}

	// To generate random offset/length.
	r := rand.New(rand.NewSource(UTCNow().UnixNano()))

	buf := &bytes.Buffer{}

	// Verify erasure.Decode() for random offsets and lengths.
	for range iterations {
		offset := r.Int63n(length)
		readLen := r.Int63n(length - offset)

		expected := data[offset : offset+readLen]

		// Get the checksums of the current part.

        // Validate input parameters
        if (data == null) {
            log.error("Data buffer is null in verify");
            return false;
        }
        if (offset < 0 || length < 0) {
            log.error("Invalid offset or length in verify: offset={}, length={}", offset, length);
            return false;

	{dataBlocks: 4, onDisks: 8, offDisks: 2, blocksize: int64(blockSizeV2), data: oneMiByte, offset: 2, algorithm: DefaultBitrotAlgorithm, shouldFail: false, shouldFailQuorum: false},                 // 2

            Smb2Lock lock3 = new Smb2Lock(500L, 600L, 4);

            int offset = 0;
            offset += lock1.encode(buffer, offset);
            offset += lock2.encode(buffer, offset);
            offset += lock3.encode(buffer, offset);

            assertEquals(72, offset); // 3 * 24

            // Verify first lock
            assertEquals(100L, SMBUtil.readInt8(buffer, 0));

        breakReason = readInt4(buffer, offset);
        offset += 4;
        
        // AccessMaskHint (4 bytes)
        accessMaskHint = readInt4(buffer, offset);
        offset += 4;
        
        // ShareAccessHint (4 bytes)
        shareAccessHint = readInt4(buffer, offset);
        offset += 4;
        
        return offset - start;
    }
}
```

### 5.2 Lease Break Acknowledgment
```java

        // Given
        byte[] buffer = new byte[256];
        int offset = 10;

        // Write structure size (4) at offset
        SMBUtil.writeInt2(4, buffer, offset);
        SMBUtil.writeInt2(0, buffer, offset + 2); // Reserved field

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

        // Then
        assertEquals(4, bytesRead);
    }

        // Encode test data at offset
        int offset = bufferIndex;
        SMBUtil.writeInt4(idFileSystem, buffer, offset);
        offset += 4;
        SMBUtil.writeInt4(sectPerAlloc, buffer, offset);
        offset += 4;
        SMBUtil.writeInt4((int) alloc, buffer, offset);
        offset += 4;
        SMBUtil.writeInt4((int) free, buffer, offset);
        offset += 4;

    @Test
    @DisplayName("Test decode with offset")
    void testDecodeWithOffset() {
        // Prepare test data with offset
        testBuffer = new byte[150];
        int offset = 50;

        testBuffer[offset] = 0x00; // Allow ACE
        testBuffer[offset + 1] = 0x08; // FLAGS_INHERIT_ONLY
        testBuffer[offset + 2] = 0x20; // Size low byte
        testBuffer[offset + 3] = 0x00; // Size high byte