}

            apply type: LanguageTypeRules
        """
    }

    /**
     * Registers a transform for CustomLanguageSourceSet as input to any binary
     */
    void withCustomLanguageTransform() {
        buildFile << """
            import org.gradle.language.base.internal.registry.*
            import org.gradle.language.base.internal.*
            import org.gradle.language.base.*

                components {
                    test(CustomComponent)
                }
            }
        """
    }

    void withLanguageTransforms() {
        withMainSourceSet()
        withCustomLanguageTransform()
    }

    def "component container is visible to rules as various types"() {
        buildFile << """
class Rules extends RuleSource {
    @Defaults
    void verifyAsContainer(ComponentSpecContainer c) {