// Verify that the wrap method was called exactly once
        verify(dcerpcSecurityProvider, times(1)).wrap(mockNdrBuffer);
    }

    @Test
    void testUnwrapMethodIsCalled() throws DcerpcException {
        // Test that the unwrap method can be called without throwing an exception
        dcerpcSecurityProvider.unwrap(mockNdrBuffer);

        // Verify that the unwrap method was called exactly once with the mockNdrBuffer

        buffer[26] = 0x00;
        buffer[27] = 0x00;

        // Decode
        int bytesConsumed = response.decode(buffer, 0, 28);

        // Verify
        assertEquals(28, bytesConsumed, "Should consume exactly 28 bytes");

        byte[] resumeKey = response.getResumeKey();
        assertNotNull(resumeKey, "Resume key should not be null");
        assertEquals(24, resumeKey.length, "Resume key should be 24 bytes");

        // Execute decode
        int bytesDecoded = response.decode(buffer, bufferIndex, 24);

        // Verify results
        assertEquals(24, bytesDecoded, "Should decode exactly 24 bytes");
        assertEquals(testCapabilities, response.getCapabilities(), "Capabilities should match");
        assertArrayEquals(testGuid, response.getServerGuid(), "Server GUID should match");

        NdrHyper ndrHyper = new NdrHyper(testValue);

        // Call the encode method with the mocked NdrBuffer
        ndrHyper.encode(mockNdrBuffer);

        // Verify that enc_ndr_hyper was called exactly once with the correct value
        verify(mockNdrBuffer, times(1)).enc_ndr_hyper(testValue);
        verifyNoMoreInteractions(mockNdrBuffer);
    }

    @Test
    void testDecode() throws NdrException {

        // Act
        AppConfigurationEntry[] entries = cfg.getAppConfigurationEntry("ignored");

        // Assert
        assertNotNull(entries, "Entries array should not be null");
        assertEquals(1, entries.length, "Exactly one entry is expected");
        AppConfigurationEntry e = entries[0];
        assertNotNull(e, "Entry should not be null");
        assertEquals(EXPECTED_LOGIN_MODULE, e.getLoginModuleName(), "Login module should be Kerberos");

    }

    /**
     * Tests the total number of enum constants.
     */
    @Test
    void testNumberOfEnumConstants() {
        // Ensure there are exactly 4 resolver types
        assertEquals(4, ResolverType.values().length, "There should be exactly 4 resolver types.");
    }

    /**
     * Tests the names of the enum constants.
     */
    @Test
    void testEnumNames() {

        int testValue = 98765;
        NdrLong ndrLong = new NdrLong(testValue);

        // Call the encode method
        ndrLong.encode(mockNdrBuffer);

        // Verify that enc_ndr_long was called exactly once with the correct value
        verify(mockNdrBuffer, times(1)).enc_ndr_long(testValue);
        // Verify that no other interactions occurred with the mock buffer
        verifyNoMoreInteractions(mockNdrBuffer);
    }

    void valuesContainsAllInOrder() {
        RequestParam[] values = RequestParam.values();

        assertNotNull(values, "values() must not return null");
        assertEquals(4, values.length, "There must be exactly 4 constants");
        assertArrayEquals(
                new RequestParam[] { RequestParam.NONE, RequestParam.NO_TIMEOUT, RequestParam.NO_RETRY, RequestParam.RETAIN_PAYLOAD },

        // Arrange & Act
        SMBProtocolDecodingException ex = new SMBProtocolDecodingException(mockCause);

        // Assert cause propagation
        assertSame(mockCause, ex.getCause(), "Cause should be exactly the provided instance");

        // Access common Throwable methods to exercise paths without touching the cause
        assertNotNull(ex.toString(), "toString should be non-null");

        @Test
        @DisplayName("SMB2 header length should be 64 bytes")
        void testSmb2HeaderLength() {
            assertEquals(64, Smb2Constants.SMB2_HEADER_LENGTH, "SMB2 header must be exactly 64 bytes");
        }
    }

    @Nested
    @DisplayName("Negotiation Constants")
    class NegotiationConstants {

        @Test
        @DisplayName("Signing enabled flag should be 0x0001")