s           string
		startIdx    int
		length      int
		resExpected string
		errExpected error
	}{
		{"abcd", 1, 1, "a", nil},
		{"abcd", -1, 1, "a", nil},
		{"abcd", 999, 999, "", nil},
		{"", 999, 999, "", nil},
		{"测试abc", 1, 1, "测", nil},
		{"测试abc", 5, 5, "c", nil},
	}

	for i, tc := range evalCases {
		res, err := evalSQLSubstring(tc.s, tc.startIdx, tc.length)
		if res != tc.resExpected || err != tc.errExpected {

        byte[] salt2 = preauthService.generatePreauthSalt();

        assertNotNull(salt1);
        assertNotNull(salt2);
        assertEquals(32, salt1.length); // 32 bytes as per SMB 3.1.1 spec
        assertEquals(32, salt2.length);
        assertFalse(java.util.Arrays.equals(salt1, salt2)); // Should be different
    }

    @Test
    @DisplayName("Test session initialization")

        @Test
        void arraysHaveSameLength() {
            assertEquals(WinError.WINERR_CODES.length, WinError.WINERR_MESSAGES.length,
                    "WINERR_CODES and WINERR_MESSAGES should have the same length");
        }

        @Test
        void messagesAlignWithCodes() {
            for (int i = 0; i < WinError.WINERR_CODES.length; i++) {
                int code = WinError.WINERR_CODES[i];

        // Expected format: buffer format (0x04) + path string (null terminated)
        byte[] expected = new byte[directoryName.length() + 2];
        expected[0] = 0x04; // Buffer format
        System.arraycopy(directoryName.getBytes(StandardCharsets.UTF_8), 0, expected, 1, directoryName.length());
        expected[directoryName.length() + 1] = 0x00; // Null terminator

        byte[] dst = new byte[100];

        byte[] checksumData = data.clone();
        try {
            PacDataInputStream pacStream = new PacDataInputStream(new DataInputStream(new ByteArrayInputStream(data)));

            if (data.length <= 8) {
                throw new PACDecodingException("Empty PAC");
            }

            int bufferCount = pacStream.readInt();
            int version = pacStream.readInt();

              public SampleElements<E> samples() {
                return delegate.samples();
              }

              @Override
              public E[] createArray(int length) {
                return delegate.createArray(length);
              }

              @Override
              public Iterable<E> order(List<E> insertionOrder) {
                List<E> list = new ArrayList<>();

        writeInt4(buffer, dataOffset, notificationFilter);
    }
    
    @Override
    public void decode(byte[] buffer, int offset, int length) {
        super.decode(buffer, offset, length);
        
        if (length > getStandardLeaseSize()) {
            // Decode directory-specific data
            int dataOffset = offset + getStandardLeaseSize();
            

        buf.append(methodName).append("(");
        if (argTypes != null && argTypes.length > 0) {
            for (final Class<?> argType : argTypes) {
                buf.append(argType.getName()).append(", ");
            }
            buf.setLength(buf.length() - 2);
        }
        buf.append(")");
        return new String(buf);
    }

    /**

    private String readString(byte[] buffer, int offset, int maxLength) {
        int length = 0;
        for (int i = offset; i < offset + maxLength && i < buffer.length; i++) {
            if (buffer[i] == 0) {
                break;
            }
            length++;
        }
        return new String(buffer, offset, length);
    }

	"time"

	humanize "github.com/dustin/go-humanize"
)

const charset = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"

func newRandString(length int) string {
	randSrc := rand.New(rand.NewSource(time.Now().UnixNano()))

	b := make([]byte, length)
	for i := range b {
		b[i] = charset[randSrc.Intn(len(charset))]
	}
	return string(b)
}

func genSampleCSVData(count int) []byte {
	buf := &bytes.Buffer{}