ProcessGroovyMethodsExecute.execute(["some", "string"])
            ProcessGroovyMethodsExecute.execute(["some", "string"], ["array"] as String[], file("test"))
            ProcessGroovyMethodsExecute.execute(["some", "string"], ["array"], file("test"))

            execute("some string")
            execute("some string", ["array"] as String[], file("test"))
            execute("some string", ["array"], file("test"))

        given:
        def dir = testDir.file("thing.dir")
        classesDir(dir)
        def file = testDir.file("thing.jar")
        jar(file)
        def dir2 = testDir.file("thing2.dir")
        classesDir(dir2)
        def file2 = testDir.file("thing2.jar")
        jar(file2)
        def dir3 = testDir.file("thing3.dir")
        classesDir(dir3)
        def file3 = testDir.file("thing3.jar")
        jar(file3)

    private
    fun reportUniqueFileSystemEntryInput(file: File, consumer: String?) {
        if (reportedFileSystemEntries.add(file)) {
            reportFileSystemEntryInput(file, consumer)
        }
    }

    private
    fun reportFileInput(file: File, consumer: String?) {
        reportInput(consumer, null) {
            text("file ")
            reference(host.displayNameOf(file))
        }
    }

    private

            }
        """
        file('a.txt').text = 'a1'
        file('a.bin').text = 'a2'
        file('b.txt').text = 'b1'
        file('b.bin').text = 'b2'

        when:
        run("merge")

        then:
        outputContains("result = [a.txt, b.txt, a.bin, b.bin]")
    }

    def "can subtract the elements of another file collection"() {
        given:

    }

    def "reports undeclared file system entry check for File.#kind"() {
        Assume.assumeFalse("cannot use the file APIs in restricted DSL", isRestrictedDsl())

        def configurationCache = newConfigurationCacheFixture()

        UndeclaredFileAccess.FileCheck check = fileCheck(testDirectory)
        buildLogicApplication(check)
        def accessedFile = new File(check.filePath)

        def classFile = file("build/classes/java/main/Thing.class")
        classFile.isFile()
        def jarFile = file("build/libs/somelib.jar")
        jarFile.isFile()

        when:
        configurationCacheRun "clean"

        then:
        assertStateStored()
        !file("build").exists()

        when:
        configurationCacheRun "assemble"

    }

    void "can configure settings file"() {
        StartParameter parameter = new StartParameter()
        File file = new File('some dir/settings file')

        when:
        parameter.settingsFile = file

        then:
        parameter.currentDir == file.canonicalFile.parentFile
        parameter.settingsFile == file.canonicalFile
        assertThat(parameter, isSerializable())
    }

            projectsConfigured(":", ":a", ":b")
            problem("Build file 'build.gradle': line 3: Project ':' cannot access 'Project.plugins' functionality on $message", 2)
            problem("Build file 'build.gradle': line 4: Project ':' cannot access 'java' extension on $message", 2)
            problem("Build file 'build.gradle': line 5: Project ':' cannot access 'java' extension on $message", 2)
        }

    private File currentDir;
    private File projectDir;
    private Map<String, String> projectProperties = new HashMap<>();
    private Map<String, String> systemPropertiesArgs = new HashMap<>();
    private File gradleUserHomeDir;
    protected File gradleHomeDir;
    private File settingsFile;
    private File buildFile;
    private List<File> initScripts = new ArrayList<>();

        assertIsGradleJar(contentsDir.file("lib/plugins/gradle-dependency-management-${baseVersion}.jar"))
        assertIsGradleJar(contentsDir.file("lib/plugins/gradle-version-control-${baseVersion}.jar"))
        assertIsGradleJar(contentsDir.file("lib/plugins/gradle-ide-${baseVersion}.jar"))
        assertIsGradleJar(contentsDir.file("lib/plugins/gradle-scala-${baseVersion}.jar"))