final inputFile = temporaryFolder.createFile("input-file")
    final inputDir = temporaryFolder.createDir("input-dir")
    final inputDirFile = inputDir.file("input-file2").createFile()
    final missingInputFile = temporaryFolder.file("missing-input-file")
    final inputFiles = [file: [inputFile], dir: [inputDir], missingFile: [missingInputFile]]
    final outputFiles = [file: outputFile, missingFile: missingOutputFile]

        buildFile << """
            task test(type: TaskWithNestedObjectProperty) {
                input = "someString"
                bean = new NestedProperty(
                    inputDir: file('input'),
                    input: 'someString',
                    outputDir: file("\$buildDir/output"),
                    nestedBean: new AnotherNestedProperty(inputFile: file('inputFile'))
                )

        1 * visitor.visitInputProperty('bean.nestedInput', { it.call() == 'nested' }, false)
        1 * visitor.visitInputFileProperty('bean.inputDir', _, _, _, _, _, _, InputFilePropertyType.DIRECTORY)

        1 * visitor.visitOutputFileProperty('outputFile', false, { it.call().path == 'output' }, OutputFilePropertyType.FILE)

        validateException(task, e, inputDoesNotExist {
            property('inputDir')
                .dir(missingDir)
                .includeLink()
        })
    }

    def validationActionFailsWhenInputDirectoryIsAFile() {
        given:
        def task = expectTaskCreated(TaskWithInputDir, existingFile)
        touch(task.inputDir)

        when:
        execute(task)

        then:

                inputDir = file("inputs")
                inputFile = file("input.txt")
                input = "This is the text"
                outputDir = file("$buildDir/outputDir")
                outputFile = file("$buildDir/outputFile")
            }

            abstract class MyTask extends DefaultTask {
                @InputDirectory File inputDir
                @Input String input

    def "properly captures all attributes"() {
        given:
        withBuildCache()
        buildFile << """
            task customTask {
                inputs.dir('foo')
                    .withPropertyName('inputDir')
                    .withPathSensitivity(PathSensitivity.$pathSensitivity)
                    .ignoreEmptyDirectories($ignoreEmptyDirectories)
                    .normalizeLineEndings($ignoreLineEndings)

                    new File(outputDir, "source").text = "fixed"
                }
            }

            task secondTask {
                def inputDir = file("${outputDir}")
                def outputDir = file("${sourceDir}")
                inputs.dir(inputDir)
                outputs.dir(outputDir)
                doLast {
                    new File(outputDir, "source").text = "fixed"
                }
            }

====
[.multi-language-sample]
=====
[source,kotlin]
.build.gradle.kts
----
public class IncrementalReverseTask : DefaultTask() {

    @get:Incremental
    @get:InputDirectory
    val inputDir: DirectoryProperty = project.objects.directoryProperty()

    @get:OutputDirectory
    val outputDir: DirectoryProperty = project.objects.directoryProperty()

    @get:Input

        enableProblemsApiCheck()
        expectReindentedValidationMessage()
        file("input-file.txt").touch()

        def inputDir = file("input-dir")
        inputDir.createDir()
        buildFile """
            task test {
                inputs.${method}({ "$path" }) withPropertyName "input"
                doLast {}
            }
        """

                final SetProperty<Directory> inputDirs = project.objects.setProperty(Directory)
                @OutputFile
                final RegularFileProperty outputFile = project.objects.fileProperty()

                @TaskAction
                void go() {
                    def file = outputFile.asFile.get()
                    file.text = inputDirs.get()*.asFile*.listFiles().text.flatten().join(',')