@Test
        @DisplayName("Should write correct structure size")
        void testWriteBytesWireFormat() {
            byte[] buffer = new byte[100];
            int startIndex = 10;

            int bytesWritten = echoRequest.writeBytesWireFormat(buffer, startIndex);

            // Should write 4 bytes
            assertEquals(4, bytesWritten);

            // Should write structure size of 4

    }

    @Test
    @DisplayName("Should return the credentials provided in the constructor")
    void testGetCredentials() {
        assertEquals(mockCredentials, wrapper.getCredentials(), "getCredentials should return the initially set credentials");
    }

    @Test

        @DisplayName("should validate supported model versions")
        void shouldValidateSupportedModelVersions(String version) {
            assertTrue(ModelVersionUtils.isValidModelVersion(version));
        }

        @ParameterizedTest
        @ValueSource(strings = {"3.0.0", "5.0.0", "2.0.0", "6.0.0"})
        @DisplayName("should reject unsupported model versions")

        assertNull(avPair3.getRaw(), "Raw data should be null if constructor argument was null.");
    }

    @Test
    void testConstants() {
        assertEquals(0x0, AvPair.MsvAvEOL, "MsvAvEOL constant should be 0x0.");
        assertEquals(0x6, AvPair.MsvAvFlags, "MsvAvFlags constant should be 0x6.");

        Set<RequestData> result = crawlerThread.getAnchorSet(urls);
        assertNotNull(result, "getAnchorSet should handle duplicates");

        // Since it returns a Set, duplicates should be handled by URL comparison
        // The exact behavior depends on RequestData.equals() implementation
        assertTrue("Should have at most 5 items", result.size() <= 5);
    }

        assertArrayEquals(mechs, parsed.getMechanisms(), "Mechanism OIDs should round-trip");
        assertEquals(flags, parsed.getContextFlags(), "Flags should round-trip");
        assertArrayEquals(mechToken, parsed.getMechanismToken(), "Mechanism token should round-trip");
        assertArrayEquals(mic, parsed.getMechanismListMIC(), "MIC should round-trip");

        assertTrue(parsed.getContextFlag(NegTokenInit.DELEGATION));

    }

    @Test
    @DisplayName("Should handle empty byte array")
    void testToHexStringEmpty() {
        // Given
        byte[] data = {};

        // When
        String result = Hexdump.toHexString(data);

        // Then
        assertNotNull(result);
        assertEquals("", result);
    }

    @Test
    @DisplayName("Should handle null byte array")
    void testToHexStringNull() {

        @Test
        @DisplayName("Should construct with config only")
        void testConstructorWithConfig() {
            TestServerMessageBlock2Response resp = new TestServerMessageBlock2Response(mockConfig);
            assertNotNull(resp);
            assertSame(mockConfig, resp.getConfig());
        }

        @Test
        @DisplayName("Should construct with config and command")

        verify(mockContext).getPipe(url, pipeType);
    }

    @Test
    @DisplayName("Should close context")
    void testClose() throws CIFSException {
        // When
        mockContext.close();

        // Then
        verify(mockContext).close();
    }

    @Test
    @DisplayName("Should get Configuration")
    void testGetConfig() {
        // Given

    @DisplayName("Should handle various NetBIOS name types")
    void testVariousNameTypes(int nameType) {
        // Given
        when(mockNetbiosName.getNameType()).thenReturn(nameType);

        // When
        int result = mockNetbiosName.getNameType();

        // Then
        assertEquals(nameType, result);
    }

    @Test
    @DisplayName("Should handle null name")
    void testNullName() {