Files
kotlin-fork/compiler/testData/codegen/box/reflection/properties/getDelegate/memberExtensionProperty.kt
T
2020-07-30 11:25:36 +03:00

30 lines
841 B
Kotlin
Vendored

// TARGET_BACKEND: JVM
// WITH_REFLECT
import kotlin.reflect.*
import kotlin.reflect.jvm.isAccessible
import kotlin.test.*
object Delegate {
var storage = ""
operator fun getValue(instance: Any?, property: KProperty<*>) = storage
operator fun setValue(instance: Any?, property: KProperty<*>, value: String) { storage = value }
}
class Bar
class Foo {
var Bar.result: String by Delegate
}
fun box(): String {
val foo = Foo()
val bar = Bar()
with(foo) { bar.result = "Fail" }
val prop = Foo::class.members.single { it.name == "result" } as KMutableProperty2<Foo, Bar, String>
val d = prop.apply { isAccessible = true }.getDelegate(foo, bar) as Delegate
with(foo) { bar.result = "OK" }
assertEquals(d, prop.apply { isAccessible = true }.getDelegate(foo, bar))
return d.getValue(foo, prop)
}