}
            }
        """
    }

    void withParallelThreads(int threadCount) {
        executer.beforeExecute {
            withArgument("--max-workers=$threadCount")
        }
    }

    def "overlapping outputs prevent parallel execution"() {
        given:
        withParallelThreads(2)

        and:
        buildFile << """
            aPing.outputs.dir "dir"

                }
            }
        """
    }

    @ToBeFixedForIsolatedProjects(because = "allprojects")
    def "tasks run in parallel when no max usages specified"() {
        given:
        withParallelThreads(2)

        buildFile << """
            def service = gradle.sharedServices.registerIfAbsent("exclusive", BuildService) {}

            allprojects {
                ping.usesService(service)
            }