def "invalidates cache when set of Gradle property defining system properties changes"() {
        given:
        def configurationCache = newConfigurationCacheFixture()
        settingsFile << """
            println(gradleProp + '!')
        """

        when:
        configurationCacheRun "help", "-D${SYSTEM_PROJECT_PROPERTIES_PREFIX}gradleProp=1"

        when:
        def mapped = provider.map(transform)

        then:
        0 * transform._

        when:
        def present = mapped.present

        then:
        present

        and:
        1 * transform.transform(someValue()) >> someOtherValue()
        0 * transform._

        when:
        def result = mapped.get()

        then:

    }

    def "exits when build fails with compile error"() {
        when:
        buildFile << """
            'script error
        """

        then:
        fails("a")
        exitContinuousBuildSinceNoDeclaredInputs()
    }

    def "exits when build fails with configuration error"() {
        when:
        buildFile << """
            throw new Exception("!")
        """

            }
        """

        when:
        succeeds ":customTask", "-PoutputDir=build/output1"
        then:
        executedAndNotSkipped ":customTask"

        when:
        succeeds ":customTask", "-PoutputDir=build/output2"
        then:
        executedAndNotSkipped ":customTask"

        when:
        succeeds ":customTask", "-PoutputDir=build/output1"
        then:

        when:
        runWithInput("generate", prompt, "value")

        then:
        result.assertTaskNotSkipped(":generate")
        file("build/out.txt").text == "value"

        when:
        runWithInput("generate", prompt, "value")

        then:
        result.assertTaskSkipped(":generate")

        when:
        runWithInput("generate", prompt, "")

        given:
        list.add('b')

        when:
        list.add(0, 'a')
        list.add(2, 'c')

        then:
        list == ['a', 'b', 'c']
    }

    def "fires events when element is added at index"() {
        Action<String> action = Mock()

        given:
        list.all(action)

        when:
        list.add(0, 'a')
        list.add(0, 'b')

        then:

    def "downloads deleted files again when they are referenced"() {
        given:
        buildscriptWithDependency(snapshotModule)

        when:
        succeeds 'resolve'

        then:
        def jarFile = findFile(cacheDir, "files-*/**/*.jar")

        when:
        assert jarFile.delete()

        and:
        succeeds 'resolve'

        when:
        loggingManager.start()

        then:
        1 * loggingRouter.addStandardOutputListener(stdoutListener)

        when:
        loggingManager.removeStandardOutputListener(stdoutListener)

        then:
        1 * loggingRouter.removeStandardOutputListener(stdoutListener)

        when:
        loggingManager.stop()

        then:

        given:
        gradle.attachSettings(state)

        when:
        gradle.resetState()

        then:
        1 * state.close()
    }

    def "get root project throws exception when root project is not available"() {
        when:
        gradle.rootProject

        then:
        thrown IllegalStateException

        when:
        def rootProject = project('root')

        access.open()
        access.close()

        then:
        1 * cleanupExecutor.cleanup()
        0 * _
    }

    def "does not clean up on close when clean up has already occurred"() {
        def access = newAccess(OnDemand)

        when:
        access.open()
        access.cleanup()

        then:
        1 * cleanupExecutor.cleanup()
        0 * _

        when: