Duration difference = Duration.between(monotonic, system).abs();
        assertTrue(difference.getSeconds() <= 1, "Monotonic time should be reasonably aligned with system time");
    }

    @Test
    void testStringReadWriteUnicodeWithOddAlignment() throws UnsupportedEncodingException {
        smb.useUnicode = true;
        smb.headerStart = 1; // Make the start odd
        String testString = "Aligned Unicode";
        byte[] buffer = new byte[testString.length() * 2 + 2 + 1]; // +1 for alignment
        int len = smb.writeString(testString, buffer, 1);

            assertEquals(size1, size2);
        }

        @Test
        @DisplayName("Size should be 72 bytes (64 header + 4 body aligned to 8)")
        void testExactSize() {
            // SMB2_HEADER_LENGTH = 64, body = 4, total = 68
            // size8 aligns to 8-byte boundary: (68 + 7) & ~7 = 72
            assertEquals(72, echoRequest.size());
        }
    }

    @Nested

func init() {
	// Inject metrics.
	ioutilx.OsOpenFile = OpenFile
	ioutilx.OpenFileDirectIO = OpenFileDirectIO
	ioutilx.OsOpen = Open
}

type osMetrics struct {
	// All fields must be accessed atomically and aligned.
	operations [osMetricLast]uint64
	latency    [osMetricLast]lockedLastMinuteLatency
}

// time an os action.
func (o *osMetrics) time(s osMetric) func() {
	startTime := time.Now()
	return func() {

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## Scope

        bb.putShort((short) 0); // altPathOffset
        bb.putShort((short) 0); // nodeOffset

        // Path string at offset 23 (which should be aligned to 24)
        bb.position(24); // Aligned position
        String path = "\\\\test";
        bb.put(path.getBytes(StandardCharsets.UTF_16LE));
        bb.putShort((short) 0);

        // Decode from position 1

                int encodedSize = req.encode(buffer, 0);

                // Verify 8-byte alignment
                assertEquals(0, encodedSize % 8, "Encoded size should be 8-byte aligned for name length " + nameLen);
            }
        }

        @ParameterizedTest
        @ValueSource(ints = { 0, 10, 50, 100, 200 })
        @DisplayName("Should handle various buffer offsets")

		return closer.Close()
	}
	return nil
}

func (b *streamingBitrotReader) ReadAt(buf []byte, offset int64) (int, error) {
	var err error
	if offset%b.shardSize != 0 {
		// Offset should always be aligned to b.shardSize
		// Can never happen unless there are programmer bugs
		return 0, errUnexpected
	}
	if b.rc == nil {
		// For the first ReadAt() call we need to open the stream for reading.
		b.currOffset = offset

)

//go:generate stringer -type=scannerMetric -trimprefix=scannerMetric $GOFILE

type scannerMetric uint8

type scannerMetrics struct {
	// All fields must be accessed atomically and aligned.
	operations [scannerMetricLast]uint64
	latency    [scannerMetricLastRealtime]lockedLastMinuteLatency

	// actions records actions performed.
	actions        [lifecycle.ActionCount]uint64

            assertEquals(expectedSize, request.size());
        }

        @Test
        @DisplayName("Should align size to 8-byte boundary")
        void testSizeAlignment() {
            int size = request.size();
            assertEquals(0, size % 8, "Size should be aligned to 8-byte boundary");
        }

        @Test
        @DisplayName("Should have consistent size regardless of parameters")