def setup() {
        ServiceImpl.reset()
    }

    def "can lazily create service instance"() {
        when:
        def provider = registerService("service", ServiceImpl)

        then:
        ServiceImpl.instances.empty

        when:
        def service = provider.get()

        then:
        service instanceof ServiceImpl
        ServiceImpl.instances == [service]

        when:

            'org/joda/time/tz/data/Africa/Abidjan'])
        def jarFile6 = inputFilesDir.file('lib6.jar')
        createJarFileWithProviderConfigurationFile(jarFile6, 'org.gradle.internal.other.Service', 'org.gradle.internal.other.ServiceImpl')
        def inputDirectory = inputFilesDir.createDir('dir1')
        writeClass(inputDirectory, "org/gradle/MyFirstClass")
        writeClass(inputDirectory, "org/gradle/MyAClass")