when:
        repository.put('class', value)

        then:
        repository.find('class') == value
        repository.get('class') == value
    }

    def findReturnsNullForUnknownClass() {
        expect:
        repository.find('unknown') == null
    }

    def getFailsForUnknownClass() {
        given:
        repository.put('unkown', new TestDomainObject('unknown'))

        when:

        Map<String, CtClass> result = [:]
        collect(result, c)
        return result
    }

    private void collect(Map<String, CtClass> result, CtClass c) {
        c.interfaces.each { result.put(it.name, it) }

        if (c.superclass != null) {
            collect(result, c.superclass)
        }
    }

    private List<String> filterChangesToReport(CtClass c, Map<String, CtClass> interfaces) {

        //for every method found in class meta, create a javadoc link
        classRepository.each {name, ClassMetaData metaData ->
            linkRepository.put(name, new ClassLinkMetaData(metaData))
        }

        // workaround to IBM JDK bug
        def createDslDocModelClosure = this.&createDslDocModel.curry(classDocbookDirectory.get().asFile, mainDocbookTemplate, classRepository)

            <T> T getUserData(String key) {
                getUserData()[key]
            }

            @Override
            <T> void putUserData(String key, T value) {
                getUserData().put(key, value)
            }
        }
        rule
    }