int access = 0x01;
        IOException expectedException = new IOException("Network error");
        // Simulate IOException during RPC call
        doThrow(expectedException).when(mockDcerpcHandle).sendrecv(any(MsrpcSamrOpenDomain.class));

        // Act & Assert
        IOException thrown = assertThrows(IOException.class, () -> {
            new SamrDomainHandle(mockDcerpcHandle, mockPolicyHandle, access, mockSid);
        });

        // Given
        MsrpcDfsRootEnum dfsRootEnum = new MsrpcDfsRootEnum("test-server");
        DfsEnumArray200 dfsEnumArray = new DfsEnumArray200();
        dfsEnumArray.count = 2;
        dfsEnumArray.s = new DfsInfo200[2];
        dfsEnumArray.s[0] = new DfsInfo200();
        dfsEnumArray.s[0].dfs_name = "\\domain\share1";
        dfsEnumArray.s[1] = new DfsInfo200();
        dfsEnumArray.s[1].dfs_name = "\\domain\share2";

        ArtifactMetadataSource mds = new ArtifactMetadataSource() {
            @Override
            public ResolutionGroup retrieve(
                    Artifact artifact,
                    ArtifactRepository localRepository,
                    List<ArtifactRepository> remoteRepositories) {
                Set<Artifact> dependencies = new HashSet<>();

        final List<String> headings = new ArrayList<>();

        document.accept(new AbstractVisitor() {
            @Override
            public void visit(final Heading heading) {
                final StringBuilder headingText = new StringBuilder();
                Node child = heading.getFirstChild();
                while (child != null) {

        Map<String, ToolchainFactory> factories = new HashMap<>();
        factories.put("basic", toolchainFactoryBasicType);
        factories.put("rare", toolchainFactoryRareType);

        when(lookup.lookupMap(ToolchainFactory.class)).thenReturn(factories);
        when(lookup.lookupMap(org.apache.maven.toolchain.ToolchainFactory.class))
                .thenReturn(Map.of());

        final byte[] challengeBytes = getChallenge();
        System.arraycopy(challengeBytes != null ? challengeBytes : new byte[8], 0, type2, pos, 8);
        pos += 8;

        // Reserved
        final byte[] contextBytes = getContext();
        System.arraycopy(contextBytes != null ? contextBytes : new byte[8], 0, type2, pos, 8);
        pos += 8;

        // TargetInfoFields

            return updateEntity(source, result);
        } catch (InstantiationException | IllegalAccessException e) {
            final String msg = "Cannot create a new instance: " + entityType.getName();
            throw new IllegalBehaviorStateException(msg, e);
        }
    }

    protected <RESULT extends DataConfig> RESULT updateEntity(Map<String, Object> source, RESULT result) {
        return result;
    }

            return updateEntity(source, result);
        } catch (InstantiationException | IllegalAccessException e) {
            final String msg = "Cannot create a new instance: " + entityType.getName();
            throw new IllegalBehaviorStateException(msg, e);
        }
    }

    protected <RESULT extends LabelType> RESULT updateEntity(Map<String, Object> source, RESULT result) {
        return result;
    }

            Subject ps = super.getSubject();

            if (this.configuration != null) {
                lc = new LoginContext(this.serviceName, ps, this, this.configuration);
            } else if (ps != null) {
                lc = new LoginContext(this.serviceName, ps, this);
            } else {
                lc = new LoginContext(this.serviceName, this);
            }
            lc.login();

        byte[] buffer = new byte[4];
        SMBUtil.writeInt2(input, buffer, 0);
        int result = SMBUtil.readInt2(buffer, 0);
        assertEquals(expected & 0xFFFF, result);
    }

    @ParameterizedTest
    @ValueSource(longs = { 0L, 1L, 0xFFFFFFFFL, 0x12345678L, 0x80000000L })
    void testWriteReadInt4RoundTrip(long input) {
        byte[] buffer = new byte[8];