@Rule TestResources resources = new TestResources(temporaryFolder)

    def "daemon compiler can handle --parallel"() {
        generateProjects(10, 10, 10)

        args("--parallel")

        expect:
        succeeds("classes")
    }

    private generateProjects(int numProjects, int numJavaSources, int numGroovySources) {
        def settingsText = ""
        numProjects.times { count ->

            }
        }
        dependencyTree.calculateProjectDependencies()
    }

    def generateProjects(File outputBaseDir, DependencyTree dependencyTree) {
        def rootProjectDir = new File(outputBaseDir, config.projectName)
        rootProjectDir.mkdirs()
        generateProject(rootProjectDir, dependencyTree, null, 0)

        generateEcosystemPlugins(rootProjectDir)
        generateProjects(rootProjectDir)
    }

    def generateProjects(File rootProjectDir) {
        generateProject(rootProjectDir, null)
        for (int subProjectNumber = 0; subProjectNumber < config.subProjects; subProjectNumber++) {
            def subProjectDir = new File(rootProjectDir, "project$subProjectNumber")
            generateProject(subProjectDir, subProjectNumber)
        }

    }

    def generateSubProject(TestProject testProject) {
        generateProject(testProject,
            subprojects: [],
            projectDir: new File(destDir, testProject.name),
            files: [],
            templates: subProjectTemplates,
            includeSource: true)
    }

    def generateProject(Map parameterArgs, TestProject testProject) {
        def args = [:]