Files
kotlin/compiler/testData/codegen/box/builtinStubMethods/ListIterator.kt
Dmitry Petrov 6cb0e5151c KT-9377 Support is-checks for read-only collections
Intrinsics for is/as/as? with mutable Kotlin collections and related types.
2015-10-02 15:17:00 +03:00

26 lines
632 B
Kotlin
Vendored

class MyListIterator<T> : ListIterator<T> {
override fun next(): T = null!!
override fun hasNext(): Boolean = null!!
override fun hasPrevious(): Boolean = null!!
override fun previous(): T = null!!
override fun nextIndex(): Int = null!!
override fun previousIndex(): Int = null!!
}
fun expectUoe(block: () -> Any) {
try {
block()
throw AssertionError()
} catch (e: UnsupportedOperationException) {
}
}
fun box(): String {
val list = MyListIterator<String>() as java.util.ListIterator<String>
expectUoe { list.set("") }
expectUoe { list.add("") }
return "OK"
}