final Parent parent = Parent.newBuilder()
                .groupId("org.apache")
                .artifactId("apache")
                .version("1")
                .build();

        assertNotNull(this.newModelResolver().resolveModel(session, parent, new AtomicReference<>()));
        assertEquals("1", parent.getVersion());
    }

    @Test

        builder = Model.newBuilder(model);
        modelMerger.mergeModel_ModelVersion(builder, model, parent, false, null);
        assertEquals("5.0.0", builder.build().getModelVersion());
    }

    // ArtifactId is neither inherited nor injected
    @Test
    void testMergeModel_ArtifactId() {
        Model parent = Model.newBuilder().artifactId("PARENT").build();
        Model model = Model.newInstance();

    public void renderTo(ClassDoc classDoc, Element parent) {
        Document document = parent.getOwnerDocument();

        Element title = document.createElement("title");
        parent.appendChild(title);
        title.appendChild(document.createTextNode(classDoc.getSimpleName()));

        addApiDocumentationLink(classDoc, parent, document);
        addSubtypeLinks(classDoc, parent, document);

    }

    @Override
    public void renderSummaryTo(ClassDoc classDoc, Element parent) {
        Document document = parent.getOwnerDocument();

        Element summarySection = document.createElement("section");
        parent.appendChild(summarySection);

        Element title = document.createElement("title");
        summarySection.appendChild(title);

        MetadataTreeNode parent = null;

        for (ArtifactMetadata md : classpath) {
            MetadataTreeNode node = new MetadataTreeNode(md, parent, md.isResolved(), md.getArtifactScope());
            if (tree == null) {
                tree = node;
            }

            if (parent != null) {
                parent.setNChildren(1);
                parent.addChild(0, node);
            }

        this.node = (XmlNode) parent.getNode();
        this.children = this.node.getChildren();
        if (startWith != null) {
            Xpp3Dom startWithNode = (Xpp3Dom) startWith.getNode();
            for (; filteredIndex < children.size(); filteredIndex++) {
                if (startWithNode.equals(children.get(filteredIndex))) {
                    filteredIndex++;
                    break;
                }

    public void renderTo(Iterable<PropertyDoc> properties, Element parent) {
        Document document = parent.getOwnerDocument();

        // <thead>
        //   <tr>
        //     <td>Property</td>
        //     <td>Description</td>
        //   </tr>
        // </thead>
        Element thead = document.createElement("thead");
        parent.appendChild(thead);
        Element tr = document.createElement("tr");

    public void renderTo(Iterable<MethodDoc> methods, Element parent) {
        Document document = parent.getOwnerDocument();

        // <thead>
        //   <tr>
        //     <td>Method</td>
        //     <td>Description</td>
        //   </tr>
        // </thead>
        Element thead = document.createElement("thead");
        parent.appendChild(thead);
        Element tr = document.createElement("tr");

    }

    public void renderTo(ClassExtensionDoc extension, Element parent) {
        if (extension.getExtensionBlocks().isEmpty()) {
            return;
        }

        Document document = parent.getOwnerDocument();

        Element section = document.createElement("section");
        parent.appendChild(section);

        Element title = document.createElement("title");

    }

    public void renderTo(ClassExtensionDoc extension, Element parent) {
        if (extension.getExtensionProperties().isEmpty()) {
            return;
        }

        Document document = parent.getOwnerDocument();

        Element section = document.createElement("section");
        parent.appendChild(section);

        Element title = document.createElement("title");