Files
kotlin-fork/compiler/testData/codegen/box/delegatedProperty/genericDelegateUncheckedCast1.kt
T

42 lines
896 B
Kotlin
Vendored

// IGNORE_BACKEND: NATIVE
// IGNORE_BACKEND: JS_IR
// IGNORE_BACKEND: JS_IR_ES6
// IGNORE_BACKEND: JS
import kotlin.reflect.KProperty
class Delegate<T>(var inner: T) {
operator fun getValue(t: Any?, p: KProperty<*>): T = inner
operator fun setValue(t: Any?, p: KProperty<*>, i: T) { inner = i }
}
val del = Delegate("zzz")
class A {
inner class B {
var prop: String by del
}
}
inline fun asFailsWithCCE(block: () -> Unit) {
try {
block()
}
catch (e: ClassCastException) {
return
}
catch (e: Throwable) {
throw AssertionError("Should throw ClassCastException, got $e")
}
throw AssertionError("Should throw ClassCastException, no exception thrown")
}
fun box(): String {
val c = A().B()
(del as Delegate<Int>).inner = 10
asFailsWithCCE { c.prop } // does not fail in JS due KT-8135.
return "OK"
}