import org.gradle.api.internal.provider.PropertyHost;
import org.gradle.internal.state.ModelObject;

import javax.annotation.Nullable;

class ProjectBackedPropertyHost implements PropertyHost {
    private final ProjectInternal project;

    public ProjectBackedPropertyHost(ProjectInternal project) {
        this.project = project;
    }

    @Nullable
    @Override

import spock.lang.Specification

class ProjectBackedPropertyHostTest extends Specification {
    def state = new ProjectStateInternal()
    def project = Stub(ProjectInternal)
    def host = new ProjectBackedPropertyHost(project)

    def setup() {
        _ * project.displayName >> "<project>"
        _ * project.state >> state
    }

    def "disallows read before completion when property has no producer"() {

    }

    @Provides
    protected PropertyHost createPropertyHost() {
        return new ProjectBackedPropertyHost(project);
    }

    private static class ScriptScopedContext implements DomainObjectContext {
        private final DomainObjectContext delegate;