doLast {
                    assert junitXmlOutputLocation.flatMap { it.asFile }.get() == expectedJunitXmlOutputLocation
                    assert htmlOutputLocation.flatMap { it.asFile }.get() == expectedHtmlOutputLocation
                    assert binaryResultsDirectory.flatMap { it.asFile }.get() == expectedBinaryResultsDirectory
                }
            }
        """

        expect:

                output = file("b.txt")
                content = "0"
            }
            tasks.register("c", InputTask) {
                inValue = a.output.map { it.asFile.text as Integer }.map { [it, it+3] }
                inValue.add(b.output.map { it.asFile.text as Integer })
                outFile = file("out.txt")
            }
        """

        when:
        run("c")

        then:

// === Gradle Build ===
performanceTest.registerTestProject("gradleBuildCurrent", RemoteProject) {
    remoteUri = repoRoot(project).asFile.absolutePath
    ref = getBuildCommitId(project)
}

performanceTest.registerTestProject("gradleBuildBaseline", RemoteProject) {
    remoteUri = repoRoot(project).asFile.absolutePath
    // Remember to update accordingly when rebasing/squashing

                @get:OutputFile
                abstract val outputFile: RegularFileProperty
                @TaskAction
                fun printString() {
                    outputFile.get().asFile.writeText("absent")
                }
            }
            val producer = tasks.register<ProduceString>("produceString") {
                outputFile.set(layout.buildDirectory.file("output.txt"))
            }

            succeeds 'verify'
        }

        where:
        [provider, configFromExtension] << [
            [
                'flatMap { it.output }.map { it.asFile.text }',
                'flatMap { it.output }.map { it.asFile }.map { it.text }',
            ],
            [false, true]
        ].combinations()
    }

    def "circular evaluation of map property is detected"() {
        buildFile """

            def copy1 = tasks.register("copy1", Copy) {
                destinationDir = layout.buildDirectory.dir("copy1").get().asFile
                from file("copy1source.txt")
            }

            def copy2 = tasks.register("copy2", Copy) {
                destinationDir = layout.buildDirectory.dir("copy2").get().asFile
                from file("copy2source.txt")
            }

            tasks.register("reader") {

                        dep.buildDependencies(sourceJar, javadocJar)
                        dep.publicationSourcePath = cp.fileReference(sourceJar.archiveFile.get().asFile)
                        dep.publicationJavadocPath = cp.fileReference(javadocJar.archiveFile.get().asFile)
                    }
                }
            }
        """
        }

                abstract ProjectLayout getLayout()

                @TaskAction
                void generate() {
                    layout.buildDirectory.dir("some-dir").get().asFile.mkdirs()
                    layout.buildDirectory.file("some-dir/output.txt").get().asFile.text = "output"
                }
            }

            task pluralOutputs(type: PluralOutputs)
        """
        when:

                CountRecorder() {
                    println "Creating CountRecorder"
                }

                void transform(TransformOutputs outputs) {
                    def input = inputArtifact.get().asFile
                    def output = outputs.file(input.name + ".txt")
                    def counter = parameters.counter
                    println "Transforming \${input.name} to \${output.name}"

                @InputArtifact
                abstract Provider<FileSystemLocation> getInputArtifact()

                void transform(TransformOutputs outputs) {
                    def input = inputArtifact.get().asFile
                    println "processing [\${input.name}]"
                    assert input.file
                    def output = outputs.file(input.name + ".green")
                    output.text = input.name + ".green"