fixture.assertStateLoaded()
    }

    TestFile customType(TestFile dir) {
        def buildFile = dir.file("build.gradle")
        taskTypeWithInputFileCollection(buildFile)
        buildFile << """
            println "configuring project \$project.path"
            configurations {
                implementation {

    }

    def "can use GradleRunner to test"() {
        when:
        buildFile << gradleTestKitDependency()
        file("src/test/groovy/Test.groovy") << successfulSpockTest('Test')

        then:
        succeeds 'build'
    }

    def "can use GradleRunner to test concurrently"() {
        when:
        buildFile << gradleTestKitDependency() << """
            test {
                maxParallelForks = 3

    def "does nag when service is used indirectly via another service even if task declares service reference and feature preview is enabled"() {
        given:
        serviceImplementation()
        buildFile """
            abstract class WrapperService implements ${BuildService.name}<${BuildServiceParameters.None.name}> {
                @${ServiceReference.name}('counter')

    }

    @Issue("GRADLE-3312")
    def "can publish to a http repo via redirects"() {
        given:
        buildFile << publicationBuildWithoutCredentials(version, group, mavenRemoteRepo.uri)
        redirectServer.start()
        buildFile.text = publicationBuildWithoutCredentials(version, group, new URI("${redirectServer.uri}/repo"))

        given:
        buildFile << """
            tasks.register("some") {
                doFirst {
                    println(file("broken"))
                }
            }
        """

        when:
        configurationCacheFails ":some"

        then:
        failure.assertHasFileName("Build file '$buildFile'")
        failure.assertHasLineNumber(4)

import static org.gradle.util.internal.TextUtil.escapeString

class FileCollectionIntegrationTest extends AbstractIntegrationSpec implements TasksWithInputsAndOutputs {
    def "can use 'as' operator with #type"() {
        buildFile << """
            def fileCollection = files("input.txt")
            def castValue = fileCollection as $type
            println "Cast value: \$castValue (\${castValue.getClass().name})"

    def "using a tasks from same project as 'files(#type)' input is allowed"() {
        file("copy1source.txt") << "Copy 1"
        file("copy2source.txt") << "Copy 2"

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

    GradleExecuter createExecuter() {
        return new ToolingApiBackedGradleExecuter(distribution, temporaryFolder)
    }

    def "can run tasks via tooling API when configuration cache is enabled"() {
        buildFile << """
            plugins {
                id("java")
            }
            println("script log statement")
        """

        when:
        configurationCacheRun("assemble")

        then:

    def testDir = testDirectoryProvider.testDirectory

    def "reports build logic reading a system property set #mechanism.description via the Java API"() {
        buildFile << """
            // not declared
            System.getProperty("CI")
        """

        when:
        mechanism.setup(this)
        configurationCacheRun(*mechanism.gradleArgs)

        then:

    def "value source without parameters can be used as task input"() {
         given:
         def configurationCache = newConfigurationCacheFixture()

         buildFile("""
            import org.gradle.api.provider.*

            abstract class GreetValueSource implements ValueSource<String, ValueSourceParameters.None> {
                String obtain() {
                    return "Hello!"