when:
        buildScript """
            apply from: "fooTask.gradle"
            task check {
              def fooTasks = getTasksByName("foo", false).size()
              doFirst {
                assert fooTasks == 1
              }
            }
        """

        file("fooTask.gradle") << """
            model {
                tasks { create("foo") }
            }

    def "allows @InputFiles of task with no actions to be null"() {
        buildFile << """
            class FooTask extends DefaultTask {
               @InputFiles
               FileCollection bar
            }

            task foo(type: FooTask)
        """

        when:
        run "foo"

        then:
        executed ":foo"
    }

        result.assertTasksExecutedInOrder(":api:foo", ":impl:bar")
    }

    def "supports buildSrc"() {
        file("buildSrc/src/main/java/FooTask.java") << """
            import org.gradle.api.DefaultTask;
            import org.gradle.api.tasks.TaskAction;

            public class FooTask extends DefaultTask {
                @TaskAction public void logStuff(){

        given:
        buildFile << """
            class Bean { Project p1 }

            class FooTask extends DefaultTask {
                private final bean = new Bean()
                FooTask() { bean.p1 = project }
                @TaskAction void run() {}
            }

            task foo(type: FooTask)
        """

        when:
        run ENABLE_CLI_OPT, WARN_PROBLEMS_CLI_OPT, "foo"

            error(annotationInvalidInContextConfig { annotation(ann.simpleName).type('MyTask').property('options.nestedThing').forTask() }, 'validation_problems', 'annotation_invalid_in_context'),
            error(annotationInvalidInContextConfig { annotation(ann.simpleName).type('MyTask').property('thing').forTask() }, 'validation_problems', 'annotation_invalid_in_context')
        ])

        and:
        verifyAll(receivedProblem(0)) {

            validAnnotations = "@Console, @Inject, @Input, @InputDirectory, @InputFile, @InputFiles, @Internal, @Nested, @ReplacedBy or @ServiceReference"
            this
        }

        AnnotationContext forTask() {