doc.superClass = superDoc
            doc.interfaces << superType1
            doc.interfaces << superType2
            builder.build(doc)
            return doc
        }

        then:
        doc.classProperties.size() == 5
        doc.classProperties[0].name == 'a'
        doc.classProperties[1].name == 'b'

            def doc = new ClassDoc('org.gradle.Class', content, document, classMetaData, null)
            new ClassDocPropertiesBuilder(javadocConverter, Mock(GenerationListener)).build(doc)
            new ClassDocMethodsBuilder(javadocConverter, Mock(GenerationListener)).build(doc)
            doc
        }

        then:
        doc.classProperties.size() == 2
        doc.classProperties[0].name == 'block'

        new File(docsRoot, 'javadoc').mkdirs()
        sampleDoc = new File(docsRoot, "sample.adoc")
        linkErrors = new File(projectDir, "build/reports/dead-internal-links.txt")


        new File(projectDir, "build.gradle") << """
            plugins {
                id 'java'
                id 'checkstyle'
                id 'gradlebuild.documentation'
            }

        if (classDoc == null) {
            classDoc = loadClassDoc(className)
            classes[className] = classDoc
            new ReferencedTypeBuilder(this).build(classDoc)
        }
        return classDoc
    }

    private gradlebuild.docs.dsl.docbook.model.ClassDoc loadClassDoc(String className) {
        if (currentlyBuilding.contains(className)) {

            </section>
        ''')

        when:
        ClassDoc doc = withCategories {
            def doc = new ClassDoc('org.gradle.Class', content, document, classMetaData, extensionMetaData)
            builder.build(doc)
            doc.mergeContent()
        }

        then:
        doc.classExtensions.size() == 2

        doc.classExtensions[0].pluginId == 'a'