}

    /**
     * Test validation of negative buffer sizes.
     */
    @Test
    public void testNegativeBufferSizes() {
        byte[] buffer = createBasicNegotiateResponseBuffer();

        // Test negative maxReadSize
        SMBUtil.writeInt4(1024 * 1024, buffer, 28); // 1MB transact - valid
        SMBUtil.writeInt4(-1, buffer, 32); // Negative read size

    }

    @Test
    void testConstructor_negativeValue() {
        // Test with a negative value, expecting it to be masked to a positive byte
        NdrSmall ndrSmall = new NdrSmall(-1); // -1 & 0xFF = 255
        assertEquals(255, ndrSmall.value, "Negative value should be masked to its unsigned byte equivalent.");
    }

    @Test
    void testConstructor_overflowValue() {

    }

    @Test
    void testReadParameterWordsWireFormat() {
        byte[] buffer = new byte[1024];
        int result = response.readParameterWordsWireFormat(buffer, 0);

        // The method should read parameter words
        assertTrue(result >= 0, "readParameterWordsWireFormat should return non-negative value");
    }

    @Test

        assertTrue(readAndXClose >= 0, "ReadAndX.Close batch limit should be non-negative");

        int treeConnectCheck = config.getBatchLimit("TreeConnectAndX.CheckDirectory");
        assertTrue(treeConnectCheck >= 0, "TreeConnectAndX.CheckDirectory batch limit should be non-negative");

        int treeConnectCreate = config.getBatchLimit("TreeConnectAndX.CreateDirectory");

        // Test with a negative integer
        int negativeFlags = -12345;
        AvFlags negAvFlags = new AvFlags(negativeFlags);
        assertNotNull(negAvFlags, "AvFlags object should not be null for negative flags");
        assertEquals(negativeFlags, negAvFlags.getFlags(), "Flags should match the negative input integer");
    }

    /**
     * Test getFlags method.

        smbInfoAllocation.decode(buffer, 0, buffer.length);

        // The implementation reads values as signed integers and stores them as long
        // Negative values remain negative when stored in long fields
        // The calculations will result in negative values
        long expectedCapacity = (long) alloc * sectPerAlloc * bytesPerSect;
        assertEquals(expectedCapacity, smbInfoAllocation.getCapacity());

 * parameter word (the session identifier) is written in little‑endian form
 * and that the {@code toString} helper contains the expected values.
 *
 * <p>The tests also exercise edge cases such as negative (wrap‑around) session
 * identifiers and confirm that the writer does not alter any internal state.
 *</p>
 */
@ExtendWith(MockitoExtension.class)
class SmbComFindClose2Test {

    @Mock

        return Stream.of(Arguments.of((LongGetter) FileEntry::createTime, -1L, "negative createTime"),
                Arguments.of((LongGetter) FileEntry::createTime, 0L, "zero createTime"),
                Arguments.of((LongGetter) FileEntry::createTime, Long.MAX_VALUE, "max createTime"),

                Arguments.of((LongGetter) FileEntry::lastModified, -2L, "negative lastModified"),

    /**
     * Sets the maximum age of a cached response. If the cache response's age exceeds [maxAge], it
     * will not be used and a network request will be made.
     *
     * @param maxAge a non-negative duration. This is stored and transmitted with [TimeUnit.SECONDS]
     *     precision; finer precision will be lost.
     */
    fun maxAge(maxAge: Duration) =
      apply {

    void accept_lengthBasedFilter_handlesNumericEdges() throws Exception {
        // Arrange: filter that accepts only strictly positive length
        SmbFileFilter filter = f -> f.length() > 0;

        // negative size -> reject
        when(smbFile.length()).thenReturn(-1L);
        assertFalse(filter.accept(smbFile), "Negative size should be rejected");