// Act + Assert
        assertThrows(PACDecodingException.class, () -> new KerberosApRequest(notASequence, null));
    }

    @Test
    @DisplayName("seq ctor: valid minimal sequence sets apOptions and leaves ticket null")
    void sequenceConstructor_minimal_valid_setsApOptions_noTicket() throws Exception {
        // Arrange
        byte ap = (byte) 0x7A;

        public String getUNCPath() {
            return null;
        }

        @Override
        public String getURLPath() {
            return null;
        }

        @Override
        public String getShare() {
            return null;
        }

        @Override
        public String getServerWithDfs() {
            return null;
        }

        @Override

        return (flags2 & SmbConstants.FLAGS2_SECURITY_SIGNATURES) != 0 && digest == null && auth != NtlmPasswordAuthentication.NULL
                && !NtlmPasswordAuthentication.NULL.equals(auth);
    }

    void ssn139() throws IOException {
        final Name calledName = new Name(address.firstCalledName(), 0x20, null);
        do {
            /* These Socket constructors attempt to connect before SO_TIMEOUT can be applied

        @DisplayName("Should encode input with null system name")
        void testEncodeInNullSystemName() throws NdrException {
            // Given: Connect2 message with null system name
            samr.SamrConnect2 message = new samr.SamrConnect2(null, 123, mockPolicyHandle);

            // When: Encoding input
            message.encode_in(mockNdrBuffer);

            // Then: Should encode null referent and access mask

        @Override
        public void onEndElement(String elementName) {
            if (elementName.equals("table")) {
                currentTable = null;
                header = null;
            }
            if (elementName.equals("tr")) {
                currentRow = null;
            }
            nodes.pop();
        }

        @Override
        public void onText(String text) {

    public byte[] getContextHandle() {
        return contextHandle != null ? contextHandle.clone() : null;
    }

    /**
     * Sets the context handle.
     *
     * @param contextHandle the context handle
     */
    public void setContextHandle(byte[] contextHandle) {
        this.contextHandle = contextHandle != null ? contextHandle.clone() : null;
    }

    @Override

        byte[] encrypted = storage.encryptCredentials(null);
        assertNull(encrypted, "Encrypting null should return null");

        char[] decrypted = storage.decryptCredentials(null);
        assertNull(decrypted, "Decrypting null should return null");
    }

    @Test
    public void testEncryptDecryptLongPassword() throws Exception {
        // Test with very long password

    /**
     * Test for unwrap with null parameter.
     * Verifies behavior when null is passed to unwrap.
     */
    @Test
    void testUnwrap_withNullParameter() {
        when(smbTree.unwrap(null)).thenThrow(new NullPointerException("Type cannot be null"));

        assertThrows(NullPointerException.class, () -> smbTree.unwrap(null), "Should throw NullPointerException when type is null");
    }

    /**

        if (!Collection.class.isAssignableFrom(parameterTypes[index]) || !isParameterized(index)) {
            return null;
        }
        final ParameterizedClassDesc pcd = parameterizedClassDescs[index].getArguments()[0];
        if (pcd == null) {
            return null;
        }
        return pcd.getRawClass();
    }

    @Override
    public Class<?> getKeyClassOfMap(final int index) {

      when (val protocol = sslSocket.applicationProtocol) {
        null, "" -> null
        else -> protocol
      }
    } catch (e: UnsupportedOperationException) {
      // https://docs.oracle.com/javase/9/docs/api/javax/net/ssl/SSLSocket.html#getApplicationProtocol--
      null
    }

  override fun trustManager(sslSocketFactory: SSLSocketFactory): X509TrustManager? {