[null, 'outputFile']                          | ['outputFile', null]           | true
        ['outputFile1', null]                         | ['outputFile1', 'outputFile2'] | false
        ['outputFile1', 'outputFile2', 'outputFile3'] | ['outputFile1', 'outputFile2'] | false
        ['outputFile1', 'outputFile2']                | ['outputFile2', 'outputFile3'] | false

                        File outputFile = new File(outputPath);
                        outputFiles.put(outputPath, OutputKind.OUTPUT);
                        File outputFileParent = outputFile.getParentFile();
                        while (outputFileParent != null) {
                            String parentPath = outputFileParent.getPath();
                            if (outputFiles.getIfPresent(parentPath) != null) {

        def outputFiles = []

        def outputDir = temporaryFolder.createDir("rootDir")
        outputFiles << outputDir.file("some-output.txt")

        def subDir = outputDir.createDir("subDir")
        outputFiles << subDir.file("in-subdir.txt")

        def outputFile = temporaryFolder.createFile("output.txt")
        outputFiles << outputFile

        outputFiles.each {

    }

    MutableUnitOfWorkBuilder withOutputFiles(File... outputFiles) {
        return withOutputFiles((outputFiles as List)
            .withIndex()
            .collectEntries { outputFile, index -> [('defaultFiles' + index): outputFile] }
        )
    }

    MutableUnitOfWorkBuilder withOutputFiles(Map<String, ? extends File> files) {
        this.outputFiles = files
        return this
    }

                @Internal
                FileCollection outputFiles

                public TaskWithOutputs() {
                    sources = project.files().from { input }
                    outputFiles = project.files().from { output }
                }

                @TaskAction
                void doSomething() {
                    outputFiles.each { outputFile ->

    def outputFiles = new TestInMemoryIndexedCache<String, DefaultOutputFilesRepository.OutputKind>(new BaseSerializerFactory().getSerializerFor(DefaultOutputFilesRepository.OutputKind))
    def cacheAccess = Stub(PersistentCache) {
        createIndexedCache(_) >> outputFiles
    }
    def cacheDecorator = Mock(CacheDecorator)

                @OutputFiles
                final SetProperty<RegularFile> outputFiles = project.objects.setProperty(RegularFile)

                @TaskAction
                void go() {
                    def content = inputFile.get().asFile.text
                    outputFiles.get().each { outputFile ->
                        outputFile.asFile.text = content
                    }

        outputDirectories.add(outputDir);
        return outputDir;
    }

    @Override
    public File file(Object path) {
        File outputFile = resolveAndRegister(path, location -> GFileUtils.mkdirs(location.getParentFile()));
        outputFiles.add(outputFile);
        return outputFile;
    }

    private File resolveAndRegister(Object path, Consumer<File> prepareOutputLocation) {
        File output = resolver.resolve(path);

        touch(task.outputFiles.get(0).getParentFile())

        when:
        execute(task)

        then:
        def e = thrown WorkValidationException
        validateException(task, e, cannotCreateParentDirectories {
            property('outputFiles')
                .file(task.outputFiles[0])
                .ancestorIsNotDirectory(task.outputFiles[0].parentFile)
                .includeLink()

        @InputFile
        File inputFile
        @InputDirectory
        File inputDirectory
        @InputFiles
        File inputFiles
        @OutputFile
        File outputFile
        @OutputFiles
        Set<File> outputFiles
        @OutputDirectory
        File outputDirectory
        @OutputDirectories
        Set<File> outputDirectories
        @Destroys
        Set<File> destroys