}
        addNode(referenceNode, registration);
    }

    @Override
    public void addLink(ModelRegistration registration) {
        addNode(new ModelElementNode(modelRegistry, registration, this), registration);
    }

    private void addNode(ModelNodeInternal child, ModelRegistration registration) {
        ModelPath childPath = child.getPath();
        if (!getPath().isDirectChild(childPath)) {

import org.gradle.model.internal.core.ModelNode;
import org.gradle.model.internal.core.ModelPath;
import org.gradle.model.internal.core.ModelReference;
import org.gradle.model.internal.core.ModelRegistration;
import org.gradle.model.internal.core.ModelRegistrations;
import org.gradle.model.internal.core.ModelRuleExecutionException;
import org.gradle.model.internal.core.ModelSpec;
import org.gradle.model.internal.core.ModelView;

        def registry = Mock(ModelRegistry)

        when:
        extractor.extract(SimpleModelCreationRuleInferredName).apply(registry, node())

        then:
        1 * registry.register(_) >> { ModelRegistration registration ->
            assert registration.path.toString() == "modelPath"
            assert registration.descriptor.toString() == "ModelRuleExtractorTest.SimpleModelCreationRuleInferredName#modelPath()"
        }