int size = request.size();

        // Expected size calculation: size8(SMB2_HEADER_LENGTH + 32 + info.size())
        // size8 rounds up to nearest multiple of 8
        int expectedRawSize = Smb2Constants.SMB2_HEADER_LENGTH + 32 + 100;
        int expectedSize = (expectedRawSize + 7) & ~7; // Round up to nearest 8
        assertEquals(expectedSize, size);
    }

    @Test
    @DisplayName("Test writeBytesWireFormat method")

	ROUNDPD $7, X11, X11                    // 66450f3a09db07
	ROUNDPS $7, (BX), X2                    // 660f3a081307
	ROUNDPS $7, (R11), X2                   // 66410f3a081307
	ROUNDPS $7, X2, X2                      // 660f3a08d207
	ROUNDPS $7, X11, X2                     // 66410f3a08d307
	ROUNDPS $7, (BX), X11                   // 66440f3a081b07
	ROUNDPS $7, (R11), X11                  // 66450f3a081b07

        assertEquals("0A", Hexdump.toHexString(data3, 0, 2)); // 2 chars = 1 byte
        assertEquals("0A0", Hexdump.toHexString(data3, 0, 3)); // 3 chars = 1.5 bytes (rounds up to 2)
        assertEquals("0A0B", Hexdump.toHexString(data3, 0, 4)); // 4 chars = 2 bytes
        assertEquals("0A0B0", Hexdump.toHexString(data3, 0, 5)); // 5 chars = 2.5 bytes (rounds up to 3)

import org.junit.jupiter.api.Test;

/**
 * Unit tests for {@link NegTokenTarg}. The class has no external
 * collaborators so tests are mostly focused on round‑trip
 * serialisation and invalid input handling.
 */
class NegTokenTargTest {

    @Test
    @DisplayName("happy path – full token round‑trip")
    void testRoundTripFull() throws IOException {
        // Arrange – create a fully populated token

				cpuUserVal := math.Round(ts.User/tot*100*100) / 100
				updateResourceMetrics(cpuSubsystem, cpuUser, cpuUserVal, labels, false)
				cpuSystemVal := math.Round(ts.System/tot*100*100) / 100
				updateResourceMetrics(cpuSubsystem, cpuSystem, cpuSystemVal, labels, false)
				cpuIdleVal := math.Round(ts.Idle/tot*100*100) / 100

				format := "2006-01-02T15:04:05Z07:00"

				if curTime.Round(time.Second).UTC().Format(format) != expect.(time.Time).Round(time.Second).UTC().Format(format) && curTime.Truncate(time.Second).UTC().Format(format) != expect.(time.Time).Truncate(time.Second).UTC().Format(format) {
					t.Errorf("%v: expect: %v, got %v after time round", utils.FileWithLineNum(), expect.(time.Time), curTime)
				}

        if (unit == ScaleUnit.BYTE) {
            builder.append(size);
        } else if (scaledSize < 0.05d || scaledSize >= 10.0d) {
            builder.append(Math.round(scaledSize));
        } else {
            builder.append(Math.round(scaledSize * 10d) / 10d);
        }

        if (!omitSymbol) {
            builder.append(" ").append(unit.symbol());
        }
    }

        if (unit == ScaleUnit.BYTE) {
            builder.append(size);
        } else if (scaledSize < 0.05d || scaledSize >= 10.0d) {
            builder.append(Math.round(scaledSize));
        } else {
            builder.append(Math.round(scaledSize * 10d) / 10d);
        }

        if (!omitSymbol) {
            builder.append(" ").append(unit.symbol());
        }
    }

     */
    public void testDecode_Null() throws Exception {
        final byte[] result = Base64Util.decode(null);
        assertNull("Null should return null", result);
    }

    /**
     * Test encode/decode round trip with various data
     *
     * @throws Exception
     */
    public void testEncodeDecode_RoundTrip() throws Exception {
        // Test with ASCII text
        final String text = "Hello, World!";

    }

    /*
     * We need the top SIGNIFICAND_BITS + 1 bits, including the "implicit" one bit. To make rounding
     * easier, we pick out the top SIGNIFICAND_BITS + 2 bits, so we have one to help us round up or
     * down. twiceSignifFloor will contain the top SIGNIFICAND_BITS + 2 bits, and signifFloor the
     * top SIGNIFICAND_BITS + 1.
     *