Steven Schäfer
33 lines
689 B
Kotlin
Vendored
33 lines
689 B
Kotlin
Vendored
// TARGET_BACKEND: JVM
|
|
// IGNORE_BACKEND: JVM
|
|
|
|
fun interface IFoo {
|
|
fun foo(): String
|
|
}
|
|
|
|
abstract class Base {
|
|
abstract val fn: () -> String
|
|
|
|
init {
|
|
// This should throw a NPE, since the constructor of the IFoo
|
|
// SAM wrapper expects a non-nullable function type.
|
|
//
|
|
// In the JVM backend this expression evaluates to `null` instead,
|
|
// which isn't a valid result according to the type system.
|
|
IFoo(fn)
|
|
}
|
|
}
|
|
|
|
class Derived : Base() {
|
|
override val fn: () -> String = { "OK" }
|
|
}
|
|
|
|
fun box(): String {
|
|
try {
|
|
Derived()
|
|
} catch (e: java.lang.NullPointerException) {
|
|
return "OK"
|
|
}
|
|
return "Fail"
|
|
}
|